How often are flights from Las Vegas to Washington, D.C. delayed?

Historically, on average around 10% of flights between Las Vegas and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 132 minutes.

Which airline has the best punctuality record on Las Vegas to Washington, D.C. flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

What airlines fly to Washington, D.C. Dulles Intl Airport?

United Airlines, Frontier and Delta are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Las Vegas according to our data. United Airlines is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

What is the most punctual flight time for Las Vegas to Washington, D.C. flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What is the cheapest airline that flies from Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl?

United Airlines and Delta are the most popular carriers operating from Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl

When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport?

Prices for flights from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport are updated daily.

How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport?

The number of operators available for flights from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport is 3 as of August 2026.

How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$100 Cheap Flights from Las Vegas to Washington, D.C. Dulles Intl Airport in 2026

Q: How many flights depart from Las Vegas to Washington, D.C. Dulles Intl Airport on average per day?

As of August 2026, 5 flights take off from Las Vegas and land in Washington, D.C. Dulles Intl Airport each day. The most common flight departure time for this route is 8:00AM, with 57% of daily flights taking off at noon.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Las Vegas to Washington, D.C.

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:46 pm - 6:20 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 34mnonstop

6:00 am - 7:58 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

4h 58mnonstop

$156Frontier

Wed, Sep 9 - Fri, Sep 11

10:46 pm - 6:20 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 34mnonstop

6:00 am - 7:58 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

4h 58mnonstop

$156Frontier

Fri, Sep 11 - Tue, Sep 15

10:46 pm - 6:20 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 34mnonstop

6:00 am - 7:58 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

4h 58mnonstop

$156Frontier

Tue, Sep 15 - Tue, Sep 22

1:23 pm - 9:01 pmLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 38mnonstop

6:00 pm - 8:08 pmIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

5h 08mnonstop

$189United Airlines

Tue, Aug 25 - Fri, Aug 28

11:57 pm - 7:30 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 33mnonstop

6:00 pm - 8:08 pmIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

5h 08mnonstop

$189United Airlines

Sat, Aug 29 - Mon, Aug 31

8:20 am - 3:58 pmLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 38mnonstop

6:00 pm - 8:08 pmIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

5h 08mnonstop

$189United Airlines

Tue, Aug 25 - Thu, Aug 27

12:30 am - 8:04 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 34mnonstop

12:00 pm - 11:00 pmIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

14h 00m3 stops Blountville Tri Cities TN/VA Orlando Cleveland Hopkins Intl

$204Multiple Airlines

Wed, Aug 26 - Mon, Aug 31

12:30 am - 8:04 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 34mnonstop

12:00 pm - 11:00 pmIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

14h 00m3 stops Blountville Tri Cities TN/VA Orlando Cleveland Hopkins Intl

$205Multiple Airlines

Thu, Aug 27 - Mon, Aug 31

11:45 pm - 9:20 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

6h 35m1 stop Atlanta Hartsfield-Jackson

7:19 pm - 12:40 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

8h 21m1 stop New York John F Kennedy Intl

$257Delta

Sun, Aug 30 - Mon, Aug 31

5:50 am - 4:38 pmLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

7h 48m1 stop Detroit Metropolitan Wayne County

6:00 am - 10:33 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

7h 33m1 stop Minneapolis St Paul

$257Delta

Wed, Aug 26 - Sun, Aug 30

Cheap last minute flights

Enter your travel dates to find the best prices.

12:46 am - 8:20 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 34mnonstop

6:00 am - 7:58 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

4h 58mnonstop

$234Frontier

Tue, Aug 11 - Thu, Sep 10

12:46 am - 8:20 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 34mnonstop

8:59 am - 10:54 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

4h 55mnonstop

$235Frontier

Mon, Aug 10 - Wed, Aug 19

12:46 am - 8:20 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 34mnonstop

9:13 am - 11:08 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

4h 55mnonstop

$249Frontier

Mon, Aug 10 - Tue, Aug 18

12:46 am - 8:20 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 34mnonstop

9:05 pm - 5:40 pmIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

23h 35m1 stop Nashville Intl

$330Multiple Airlines

Tue, Aug 11 - Sat, Aug 15

12:46 am - 8:20 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 34mnonstop

4:03 pm - 9:55 pmIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

32h 52m2 stops Savannah/Hilton Head New Orleans Louis Armstrong

$380Multiple Airlines

Fri, Aug 7 - Thu, Aug 13

6:00 am - 4:42 pmLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

7h 42m1 stop Atlanta Hartsfield-Jackson

7:19 pm - 12:40 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

8h 21m1 stop New York John F Kennedy Intl

$386Delta

Wed, Aug 12 - Thu, Aug 27

11:31 am - 11:26 pmLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

8h 55m1 stop Detroit Metropolitan Wayne County

6:10 am - 10:14 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

7h 04m1 stop Detroit Metropolitan Wayne County

$386Delta

Wed, Aug 12 - Thu, Aug 27

6:40 am - 5:14 pmLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

7h 34m1 stop Atlanta Hartsfield-Jackson

9:05 pm - 5:40 pmIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

23h 35m1 stop Nashville Intl

$392Multiple Airlines

Wed, Aug 12 - Sat, Aug 15

1:23 pm - 9:01 pmLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 38mnonstop

6:00 pm - 8:08 pmIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

5h 08mnonstop

$526United Airlines

Tue, Aug 11 - Wed, Aug 19

11:57 pm - 7:30 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 33mnonstop

9:00 am - 11:04 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

5h 04mnonstop

$605United Airlines

Wed, Aug 12 - Sat, Aug 15

Cheap direct flights

Enter your travel dates to find the best prices.

10:46 pm - 6:20 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 34mnonstop

6:00 am - 7:58 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

4h 58mnonstop

$156Frontier

Wed, Sep 9 - Fri, Sep 11

10:46 pm - 6:20 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 34mnonstop

6:00 am - 7:58 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

4h 58mnonstop

$156Frontier

Fri, Sep 11 - Tue, Sep 15

10:46 pm - 6:20 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 34mnonstop

6:00 am - 7:58 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

4h 58mnonstop

$156Frontier

Tue, Sep 15 - Tue, Sep 22

10:46 pm - 6:20 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 34mnonstop

6:00 am - 7:58 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

4h 58mnonstop

$156Frontier

Fri, Sep 11 - Mon, Sep 21

10:46 pm - 6:20 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 34mnonstop

6:00 am - 7:58 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

4h 58mnonstop

$157Frontier

Wed, Sep 30 - Tue, Oct 6

10:46 pm - 6:20 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 34mnonstop

6:00 am - 7:58 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

4h 58mnonstop

$157Frontier

Thu, Sep 24 - Sun, Sep 27

1:23 pm - 9:01 pmLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 38mnonstop

6:00 pm - 8:08 pmIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

5h 08mnonstop

$189United Airlines

Tue, Aug 25 - Fri, Aug 28

11:57 pm - 7:30 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 33mnonstop

6:00 pm - 8:08 pmIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

5h 08mnonstop

$189United Airlines

Sat, Aug 29 - Mon, Aug 31

8:20 am - 3:58 pmLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 38mnonstop

6:00 pm - 8:08 pmIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

5h 08mnonstop

$189United Airlines

Tue, Aug 25 - Thu, Aug 27

11:57 pm - 7:30 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 33mnonstop

12:55 pm - 2:59 pmIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

5h 04mnonstop

$205United Airlines

Fri, Aug 28 - Mon, Aug 31

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Frontier flights from Las Vegas to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on Las Vegas to Washington, D.C. Dulles Intl Airport flight tickets

Frontier

Sep 15

LAS10:46 pmLas Vegas Harry Reid Intl

4h 34m

IAD6:20 amWashington, D.C. Dulles Intl

Sep 22

IAD6:00 amWashington, D.C. Dulles Intl

4h 58m

LAS7:58 amLas Vegas Harry Reid Intl

$156

Frontier

Sep 13

LAS10:46 pmLas Vegas Harry Reid Intl

4h 34m

IAD6:20 amWashington, D.C. Dulles Intl

Sep 18

IAD6:00 amWashington, D.C. Dulles Intl

4h 58m

LAS7:58 amLas Vegas Harry Reid Intl

$157

Frontier

Aug 20

LAS12:30 amLas Vegas Harry Reid Intl

4h 34m

IAD8:04 amWashington, D.C. Dulles Intl

Aug 23

IAD8:59 amWashington, D.C. Dulles Intl

4h 55m

LAS10:54 amLas Vegas Harry Reid Intl

$158

United Airlines flights from Las Vegas to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Las Vegas to Washington, D.C. Dulles Intl Airport flight tickets

United Airlines

Aug 29

LAS11:57 pmLas Vegas Harry Reid Intl

4h 33m

IAD7:30 amWashington, D.C. Dulles Intl

Aug 31

IAD6:00 pmWashington, D.C. Dulles Intl

5h 08m

LAS8:08 pmLas Vegas Harry Reid Intl

$189

United Airlines

Aug 28

LAS11:57 pmLas Vegas Harry Reid Intl

4h 33m

IAD7:30 amWashington, D.C. Dulles Intl

Aug 31

IAD12:55 pmWashington, D.C. Dulles Intl

5h 04m

LAS2:59 pmLas Vegas Harry Reid Intl

$205

United Airlines

Aug 19

LAS11:57 pmLas Vegas Harry Reid Intl

4h 33m

IAD7:30 amWashington, D.C. Dulles Intl

Aug 22

IAD8:31 amWashington, D.C. Dulles Intl

7h 44m

1 stop

LAS1:15 pmLas Vegas Harry Reid Intl

$255

momondo Fare Finder

Use the filters below to find and compare flights from Las Vegas to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl

LASIAD

Las Vegas Harry Reid Intl

Wed 9/9

10:46 pm-6:20 am

Nonstop4h 34m

Washington, D.C. Dulles Intl

Fri 9/11

6:00 am-7:58 am

Nonstop4h 58m

$156

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl

LASIAD

Las Vegas Harry Reid Intl

Fri 9/11

10:46 pm-6:20 am

Nonstop4h 34m

Washington, D.C. Dulles Intl

Tue 9/15

6:00 am-7:58 am

Nonstop4h 58m

$156

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl

LASIAD

Las Vegas Harry Reid Intl

Tue 9/15

10:46 pm-6:20 am

Nonstop4h 34m

Washington, D.C. Dulles Intl

Tue 9/22

6:00 am-7:58 am

Nonstop4h 58m

$156

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl

LASIAD

Las Vegas Harry Reid Intl

Tue 8/25

1:23 pm-9:01 pm

Nonstop4h 38m

Washington, D.C. Dulles Intl

Fri 8/28

6:00 pm-8:08 pm

Nonstop5h 08m

$189

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl

LASIAD

Las Vegas Harry Reid Intl

Sat 8/29

11:57 pm-7:30 am

Nonstop4h 33m

Washington, D.C. Dulles Intl

Mon 8/31

6:00 pm-8:08 pm

Nonstop5h 08m

$189

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl

LASIAD

Las Vegas Harry Reid Intl

Tue 8/25

8:20 am-3:58 pm

Nonstop4h 38m

Washington, D.C. Dulles Intl

Thu 8/27

6:00 pm-8:08 pm

Nonstop5h 08m

$189

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl

LASIAD

Las Vegas Harry Reid Intl

Wed 8/26

12:30 am-8:04 am

Nonstop4h 34m

Washington, D.C. Dulles Intl

Mon 8/31

12:00 pm-11:00 pm

3 stops14h 00m

$204

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl

LASIAD

Las Vegas Harry Reid Intl

Thu 8/27

12:30 am-8:04 am

Nonstop4h 34m

Washington, D.C. Dulles Intl

Mon 8/31

12:00 pm-11:00 pm

3 stops14h 00m

$205

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl

LASIAD

Las Vegas Harry Reid Intl

Sun 8/30

11:45 pm-9:20 am

1 stop6h 35m

Washington, D.C. Dulles Intl

Mon 8/31

7:19 pm-12:40 am

1 stop8h 21m

$257

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl

LASIAD

Las Vegas Harry Reid Intl

Wed 8/26

5:50 am-4:38 pm

1 stop7h 48m

Washington, D.C. Dulles Intl

Sun 8/30

6:00 am-10:33 am

1 stop7h 33m

$257

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Las Vegas to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the typical price of a round-trip flight between Las Vegas and Washington, D.C. Dulles Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $252 to $487.
The lowest price recently found on this route was $156.

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, October is the cheapest month to fly from Las Vegas to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $355. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of October, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $361.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $464. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Las Vegas to Washington, D.C. Dulles Intl Airport for around $756.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Las Vegas in the evening is the least expensive time of day to depart. momondo users have found prices as low as $413 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $682 on average. Flights to Washington, D.C. Dulles Intl Airport from Las Vegas at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl flight route?

Fly from Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl for the best Las Vegas Harry Reid Intl - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight from Las Vegas to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $426 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Las Vegas for as low as $378 on momondo.

What cabin class options are available on Las Vegas to Washington, D.C. Dulles Intl Airport flights?

There are 4 cabin classes available to choose from on Las Vegas to Washington, D.C. Dulles Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Las Vegas to Washington, D.C. Dulles Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Las Vegas to Washington, D.C. Dulles Intl Airport.

How have Las Vegas to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of August 2026, prices for Las Vegas to Washington, D.C. Dulles Intl Airport flights are approximately 65% cheaper when compared to flights at the same time last year.

When to book flights from Las Vegas to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Las Vegas to Washington, D.C. Dulles Intl Airport (LAS to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Washington, D.C. Dulles Intl Airport

Best Price Found	$167
Fastest flight time	4h 22m
Direct flights	Every day

The best one-way flight to Washington, D.C. Dulles Intl Airport from Las Vegas in the past 72 hours is $167. The best round-trip flight deal from Las Vegas to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $249.

The fastest flight from Las Vegas to Washington, D.C. Dulles Intl Airport takes 4h 22m

Direct flights go from Las Vegas to Washington, D.C. Dulles Intl Airport every day.

Search flight deals

Frequently asked questions about flying from Las Vegas to Washington, D.C. Dulles Intl Airport

How far is Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl by plane?
There are 2056.9 mi between Las Vegas Harry Reid Intl and Washington, D.C. Dulles Intl. By plane, this route typically takes 4h 22m.
When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport are updated daily.
How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport?
The number of operators available for flights from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport is 3 as of August 2026.
How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Las Vegas to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for flights between Las Vegas and Washington, D.C. Dulles Intl Airport, the leading plane model is Airbus A321neo, making up 25.62% of the total bookings. Other popular models include Boeing 737-800 with 21.85%, Boeing 737 MAX 8 with 15.86%, and Boeing 737 MAX 9 with 8.84%.
What is the most popular airline from Las Vegas to Washington, D.C. Dulles Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Las Vegas to Washington, D.C. Dulles Intl Airport is United Airlines, representing 65% of all bookings. The subsequent popular airlines are Frontier at 31% and Delta at 3%.

Best airlines flying from Las Vegas to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Las Vegas to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $177	Free Cancellation	Rating 5.6 2,723 reviews	Search Frontier flights
Delta	PriceFrom $256	Free Cancellation	Rating 7.8 8,503 reviews	Search Delta flights
United Airlines	PriceFrom $267	Free Cancellation	Rating 7.4 10,076 reviews	Search United Airlines flights

United Airlines Flights From Las Vegas to Washington, D.C. Dulles Intl Airport
United Airlines flight deals from Las Vegas to Washington, D.C. Dulles Intl Airport start from $267 round-trip. Over the 10 United Airlines flights for this route in a normal week, average airfare is usually $472 round-trip - but some users have found much cheaper deals with momondo.
Frontier Flights From Las Vegas to Washington, D.C. Dulles Intl Airport
The best Frontier deal for Las Vegas to Washington, D.C. Dulles Intl Airport flight tickets found on momondo in the last 72 hours was $177, round-trip. It should be noted that an average Frontier flight deal for this route in this time was higher, at $343 round-trip. Frontier operates 7 flights out of Las Vegas into Washington, D.C. Dulles Intl Airport in an average week, so prices vary by time and availability. 2,723 Frontier reviews by users on momondo have scored the airline at 5.6/10.

Alexandria

National Harbor

Arlington

Gettysburg

Winchester

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Linthicum Heights

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Why should I use momondo to find a flight deal from Las Vegas to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Las Vegas to Washington, D.C. for you.

Can I find flights from Las Vegas to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Las Vegas on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Las Vegas to Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Las Vegas to Washington, D.C..

I’m not ready to book a flight from Las Vegas to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Las Vegas to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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Flights to Newark Airportfrom $106

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Flights to Washington, D.C. Reagan-National Airportfrom $127

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Cheap flights from Las Vegas to Washington, D.C. from $100

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Washington, D.C. departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frontier flights from Las Vegas to Washington, D.C. Dulles Intl Airport

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How to get the cheapest flight ticket from Las Vegas to Washington, D.C. Dulles Intl Airport

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What is the cheapest Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl flight route?

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How have Las Vegas to Washington, D.C. Dulles Intl Airport flight prices changed over time?

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How many flights depart from Las Vegas to Washington, D.C. Dulles Intl Airport on average per day?

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Traveling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

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