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

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

What airlines fly to Las Vegas?

United Airlines, Frontier and Delta are the top three most popular airlines that fly to Las Vegas from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 6 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.

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

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

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

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

Which layover airport has the shortest travel time from Washington, D.C. Dulles Intl Airport to Las Vegas?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 8h 31m.

Which airport is the most popular layover for flights between Washington, D.C. Dulles Intl Airport and Las Vegas?

Dallas (DFW) was the most common stop: 56% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Washington, D.C. Dulles Intl Airport to Las Vegas?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $240.

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

Historically, on average around 14% of flights between Washington, D.C. and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 187 minutes.

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

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

Which layover airport has the shortest connection time from Washington, D.C. Dulles Intl Airport to Las Vegas?

Atlanta (ATL) has the shortest average layover time for this route: 2h 04m.

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

Prices for flights from Washington, D.C. Dulles Intl Airport to Las Vegas Harry Reid Intl Airport were last updated today.

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

As of August 2026, there are 6 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Las Vegas Harry Reid Intl Airport.

What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$101 Cheap Flights from Washington, D.C. Dulles Intl Airport to Las Vegas in 2026

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

8 flights are operational daily from Washington, D.C. Dulles Intl Airport to Las Vegas as of August 2026. The most popular departure time for this route is 6:00PM, with 38% of flights per day taking off in the evening.

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

As of August 2026, there are 56 flights per week flying from Washington, D.C. Dulles Intl Airport to Las Vegas. The most common day of the week flights depart is Sat, with 18% of flights taking off on this day.

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

4h 58mnonstop

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

4h 34mnonstop

$176Frontier

Fri, Sep 25 - Sat, Oct 3

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

4h 58mnonstop

12:59 am - 11:33 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

7h 34m1 stop Dallas/Fort Worth

$178Frontier

Fri, Sep 25 - Fri, Oct 2

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

4h 58mnonstop

10:30 am - 11:59 pmLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

10h 29m1 stop Seattle/Tacoma Intl

$273Multiple Airlines

Thu, Sep 10 - Wed, Sep 16

9:48 am - 9:58 pmIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

15h 10m1 stop Knoxville McGhee Tyson

7:20 am - 11:43 pmLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

13h 23m1 stop Atlanta Hartsfield-Jackson

$274Multiple Airlines

Sun, Nov 15 - Wed, Nov 18

6:53 pm - 11:44 pmIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

7h 51m1 stop San Diego

6:00 am - 5:50 pmLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

8h 50m1 stop San Diego

$337Alaska Airlines

Wed, Jan 20 - Sat, Jan 23

6:53 pm - 11:44 pmIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

7h 51m1 stop San Diego

6:00 am - 5:50 pmLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

8h 50m1 stop San Diego

$337Alaska Airlines

Tue, Jan 5 - Tue, Jan 12

5:40 pm - 7:58 pmIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

5h 18mnonstop

7:45 am - 3:13 pmLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 28mnonstop

$357United Airlines

Wed, Oct 28 - Tue, Nov 3

8:45 am - 10:45 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

5h 00mnonstop

8:35 am - 3:55 pmLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 20mnonstop

$357United Airlines

Wed, Dec 9 - Sat, Dec 12

11:34 am - 5:43 pmIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

9h 09m1 stop Charlotte Douglas

11:59 pm - 11:39 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

8h 40m1 stop Dallas/Fort Worth

$376American Airlines

Thu, Feb 4 - Thu, Feb 4

6:00 am - 10:21 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

7h 21m1 stop Charlotte Douglas

10:40 pm - 8:44 amLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

7h 04m1 stop Charlotte Douglas

$377American Airlines

Mon, Feb 8 - Mon, Feb 22

Cheap last minute flights

Enter your travel dates to find the best prices.

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

4h 55mnonstop

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

4h 34mnonstop

$225Frontier

Sat, Sep 5 - Sat, Sep 19

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

4h 55mnonstop

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

4h 34mnonstop

$234Frontier

Sat, Sep 5 - Fri, Sep 11

7:35 pm - 9:42 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

17h 07m1 stop San Diego

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

4h 34mnonstop

$302Multiple Airlines

Sat, Sep 5 - Sat, Sep 12

7:35 pm - 9:42 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

17h 07m1 stop San Diego

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

4h 34mnonstop

$302Multiple Airlines

Sat, Sep 5 - Thu, Sep 10

7:35 pm - 9:42 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

17h 07m1 stop San Diego

7:00 am - 6:14 pmLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

8h 14m1 stop San Diego

$383Alaska Airlines

Sat, Sep 5 - Sat, Sep 12

7:35 pm - 9:42 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

17h 07m1 stop San Diego

7:00 am - 6:14 pmLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

8h 14m1 stop San Diego

$384Alaska Airlines

Sat, Sep 5 - Sat, Sep 12

5:47 pm - 11:05 pmIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

8h 18m1 stop Atlanta Hartsfield-Jackson

6:00 am - 4:30 pmLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

7h 30m1 stop Detroit Metropolitan Wayne County

$425Delta

Sat, Sep 5 - Fri, Sep 11

2:54 pm - 9:13 pmIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

9h 19m1 stop Atlanta Hartsfield-Jackson

1:25 pm - 11:43 pmLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

7h 18m1 stop Salt Lake City

$425Delta

Sat, Sep 5 - Wed, Sep 9

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

5h 08mnonstop

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

4h 33mnonstop

$460United Airlines

Sat, Sep 5 - Wed, Sep 9

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

5h 08mnonstop

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

4h 38mnonstop

$485United Airlines

Sat, Sep 5 - Tue, Sep 8

Cheap direct flights

Enter your travel dates to find the best prices.

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

4h 58mnonstop

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

4h 34mnonstop

$176Frontier

Fri, Sep 25 - Sat, Oct 3

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

4h 58mnonstop

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

4h 34mnonstop

$205Frontier

Thu, Sep 10 - Sat, Sep 12

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

4h 58mnonstop

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

4h 34mnonstop

$206Frontier

Thu, Sep 10 - Sat, Sep 12

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

4h 58mnonstop

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

4h 34mnonstop

$208Frontier

Sat, Sep 12 - Sat, Sep 12

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

4h 58mnonstop

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

4h 34mnonstop

$208Frontier

Thu, Sep 10 - Thu, Sep 10

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

4h 58mnonstop

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

4h 34mnonstop

$215Frontier

Sat, Sep 26 - Tue, Sep 29

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

4h 58mnonstop

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

4h 34mnonstop

$220Frontier

Sat, Sep 12 - Sat, Sep 19

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

4h 58mnonstop

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

4h 34mnonstop

$220Frontier

Thu, Sep 10 - Thu, Sep 17

5:40 pm - 7:58 pmIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

5h 18mnonstop

7:45 am - 3:13 pmLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 28mnonstop

$357United Airlines

Wed, Oct 28 - Tue, Nov 3

8:45 am - 10:45 amIAD Washington, D.C. Dulles Intl-LAS Las Vegas Harry Reid Intl

5h 00mnonstop

8:35 am - 3:55 pmLAS Las Vegas Harry Reid Intl-IAD Washington, D.C. Dulles Intl

4h 20mnonstop

$357United Airlines

Wed, Dec 9 - Sat, Dec 12

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

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

Frontier

Sep 25

IAD6:00 amWashington, D.C. Dulles Intl

4h 58m

LAS7:58 amLas Vegas Harry Reid Intl

Oct 3

LAS10:46 pmLas Vegas Harry Reid Intl

4h 34m

IAD6:20 amWashington, D.C. Dulles Intl

$176

Frontier

Sep 25

IAD6:00 amWashington, D.C. Dulles Intl

4h 58m

LAS7:58 amLas Vegas Harry Reid Intl

Oct 2

LAS12:59 amLas Vegas Harry Reid Intl

7h 34m

1 stop

IAD11:33 amWashington, D.C. Dulles Intl

$178

Frontier

Sep 10

IAD6:00 amWashington, D.C. Dulles Intl

4h 58m

LAS7:58 amLas Vegas Harry Reid Intl

Sep 12

LAS10:46 pmLas Vegas Harry Reid Intl

4h 34m

IAD6:20 amWashington, D.C. Dulles Intl

$205

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Las Vegas

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

IADLAS

Washington, D.C. Dulles Intl

Fri 9/25

6:00 am-7:58 am

Nonstop4h 58m

Las Vegas Harry Reid Intl

Sat 10/3

10:46 pm-6:20 am

Nonstop4h 34m

$176

Washington, D.C.Las Vegas

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

IADLAS

Washington, D.C. Dulles Intl

Fri 9/25

6:00 am-7:58 am

Nonstop4h 58m

Las Vegas Harry Reid Intl

Fri 10/2

12:59 am-11:33 am

1 stop7h 34m

$178

Washington, D.C.Las Vegas

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

IADLAS

Washington, D.C. Dulles Intl

Thu 9/10

6:00 am-7:58 am

Nonstop4h 58m

Las Vegas Harry Reid Intl

Wed 9/16

10:30 am-11:59 pm

1 stop10h 29m

$273

Washington, D.C.Las Vegas

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

IADLAS

Washington, D.C. Dulles Intl

Sun 11/15

9:48 am-9:58 pm

1 stop15h 10m

Las Vegas Harry Reid Intl

Wed 11/18

7:20 am-11:43 pm

1 stop13h 23m

$274

Washington, D.C.Las Vegas

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

IADLAS

Washington, D.C. Dulles Intl

Wed 1/20

6:53 pm-11:44 pm

1 stop7h 51m

Las Vegas Harry Reid Intl

Sat 1/23

6:00 am-5:50 pm

1 stop8h 50m

$337

Washington, D.C.Las Vegas

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

IADLAS

Washington, D.C. Dulles Intl

Tue 1/5

6:53 pm-11:44 pm

1 stop7h 51m

Las Vegas Harry Reid Intl

Tue 1/12

6:00 am-5:50 pm

1 stop8h 50m

$337

Washington, D.C.Las Vegas

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

IADLAS

Washington, D.C. Dulles Intl

Wed 10/28

5:40 pm-7:58 pm

Nonstop5h 18m

Las Vegas Harry Reid Intl

Tue 11/3

7:45 am-3:13 pm

Nonstop4h 28m

$357

Quickest round-trip

Washington, D.C.Las Vegas

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

IADLAS

Washington, D.C. Dulles Intl

Wed 12/9

8:45 am-10:45 am

Nonstop5h 00m

Las Vegas Harry Reid Intl

Sat 12/12

8:35 am-3:55 pm

Nonstop4h 20m

$357

Washington, D.C.Las Vegas

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

IADLAS

Washington, D.C. Dulles Intl

Thu 2/4

11:34 am-5:43 pm

1 stop9h 09m

Las Vegas Harry Reid Intl

Thu 2/4

11:59 pm-11:39 am

1 stop8h 40m

$376

Washington, D.C.Las Vegas

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

IADLAS

Washington, D.C. Dulles Intl

Mon 2/8

6:00 am-10:21 am

1 stop7h 21m

Las Vegas Harry Reid Intl

Mon 2/22

10:40 pm-8:44 am

1 stop7h 04m

$377

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 Washington, D.C. Dulles Intl Airport to Las Vegas

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

Layovers

Other information

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

Prices are currently low for flights on this route.

Typical prices usually range from $337 to $637.
The lowest price recently found on this route was $176.

What is the cheapest month to fly to Las Vegas?

The month of August is, on average, the cheapest month to fly to Las Vegas from Washington, D.C. Dulles Intl Airport, with most prices found around $337. The month of July is another great option to travel to Las Vegas, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $452.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Wednesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $454. Flights from Washington, D.C. Dulles Intl Airport to Las Vegas on a Sunday will generally be more expensive and average around $569. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is in the morning when flights can be purchased for as low as $485. Flights to Las Vegas are more costly at noon, with an average ticket price of $653. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

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

You are more likely to see cheaper flights to Las Vegas from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $503 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Washington, D.C. Dulles Intl Airport for as low as $403 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl Airport to Las Vegas 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 Washington, D.C. Dulles Intl Airport to Las Vegas flights?

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

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

As of August 2026, prices for Washington, D.C. Dulles Intl Airport to Las Vegas flights are approximately 72% cheaper when compared to flights at the same time last year.

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

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

Estimated round-trip price

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

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

Best Price Found	$101
Fastest flight time	4h 55m
Direct flights	Tue, Wed, Thu, Fri, Sat and Sun
Airports in Las Vegas	1 airport

The best one-way flight to Las Vegas from Washington, D.C. Dulles Intl Airport in the past 72 hours is $101. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Las Vegas found on momondo in the last 72 hours is $176.

The fastest flight from Washington, D.C. Dulles Intl Airport to Las Vegas takes 4h 55m

Direct flights go from Washington, D.C. Dulles Intl Airport to Las Vegas on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines and Frontier.

There is 1 airport in Las Vegas. From Washington, D.C. Dulles Intl Airport there are direct flights to Las Vegas Harry Reid Intl (LAS).

Search flight deals

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

How far is Washington, D.C. Dulles Intl to Las Vegas Harry Reid Intl by plane?
There are 2056.9 mi between Washington, D.C. Dulles Intl and Las Vegas Harry Reid Intl. A reasonable flight in good conditions will take 4h 55m.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Las Vegas Harry Reid Intl Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Las Vegas Harry Reid Intl Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Las Vegas Harry Reid Intl Airport?
As of August 2026, there are 6 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Las Vegas Harry Reid Intl Airport.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Las Vegas Harry Reid 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 Washington, D.C. Dulles Intl Airport to Las Vegas Harry Reid Intl Airport.
What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?
The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Las Vegas?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Las Vegas, the leading plane model is Boeing 737 MAX 9, making up 19.29% of the total bookings. Other popular models include Boeing 737 MAX 8 with 14.79%, Airbus A321neo with 14.67%, and Boeing 737-800 with 13.39%.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Las Vegas?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. Dulles Intl Airport to Las Vegas is United Airlines, representing 70% of all bookings. The subsequent popular airlines are Frontier at 25%, Delta at 2%, and Southwest at 1%.

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

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $91	Free Cancellation	Rating 5.6 2,635 reviews	Search Frontier flights
Delta	PriceFrom $198	Free Cancellation	Rating 7.8 8,535 reviews	Search Delta flights
United Airlines	PriceFrom $261	Free Cancellation	Rating 7.4 10,148 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $270	Free Cancellation	Rating 7.9 12,865 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $398	Free Cancellation	Rating 8.0 4,197 reviews	Search Southwest flights
American Airlines	PriceFrom $406	Free Cancellation	Rating 7.1 12,021 reviews	Search American Airlines flights

United Airlines Flights From Washington, D.C. Dulles Intl Airport to Las Vegas
United Airlines flight deals from Washington, D.C. Dulles Intl Airport to Las Vegas start from $261 round-trip. Over the 18 United Airlines flights for this route in a normal week, average airfare is usually $567 round-trip - but some users have found much cheaper deals with momondo.
Frontier Flights From Washington, D.C. Dulles Intl Airport to Las Vegas
Across 2,635 Frontier reviews on momondo, the average score is 5.6/10. Frontier flies from Washington, D.C. Dulles Intl Airport to Las Vegas about 7 times each week, with ticket deals ranging from $91 to $324. Price data is based on momondo searches in the last 72 hours.

Mount Charleston

Laughlin

Paradise

Henderson

North Las Vegas

Kingman

Mesquite

Sunrise Manor

Pahrump

Furnace Creek

Primm

Winchester

Boulder City

Needles

Why use momondo?

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

Finding the right flight to Las Vegas from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Las Vegas quick and easy, saving you time and money.

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

Flights from Washington, D.C. to Las Vegas with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Washington, D.C. to Las Vegas flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Washington, D.C. to Las Vegas flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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An easier way to manage your Las Vegas trip

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