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Cheap flights from Las Vegas to Washington, D.C. from $74

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 10/18. 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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Find the cheapest flights from Las Vegas to Washington, D.C.

Cheap round-trip flights

Spirit Airlines Logo
8:45 pm - 4:30 amLAS-BWI
4h 45mnonstop
Spirit Airlines Logo
7:50 am - 10:05 amBWI-LAS
5h 15mnonstop
$121Spirit Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
Spirit Airlines Logo
8:45 pm - 4:30 amLAS-BWI
4h 45mnonstop
Spirit Airlines Logo
8:25 pm - 10:42 pmBWI-LAS
5h 17mnonstop
$123Spirit Airlines
Find Deal
Fri, Oct 31 - Fri, Nov 7
Frontier Logo
9:05 pm - 11:59 amLAS-IAD
11h 54m1 stop
Frontier Logo
10:04 am - 3:56 pmIAD-LAS
8h 52m1 stop
$156Frontier
Find Deal
Fri, Oct 10 - Mon, Oct 20
Frontier Logo
9:05 pm - 9:09 amLAS-IAD
9h 04m1 stop
Frontier Logo
4:45 pm - 9:48 pmIAD-LAS
8h 03m1 stop
$160Frontier
Find Deal
Thu, Oct 16 - Mon, Oct 20
United Airlines Logo
11:50 pm - 7:09 amLAS-IAD
4h 19mnonstop
United Airlines Logo
7:41 pm - 10:00 pmIAD-LAS
5h 19mnonstop
$163United Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 5
United Airlines Logo
9:49 am - 9:30 pmLAS-BWI
8h 41m1 stop
United Airlines Logo
7:28 pm - 12:15 amBWI-LAS
7h 47m1 stop
$183United Airlines
Find Deal
Tue, Oct 7 - Thu, Oct 23
Southwest Logo
12:00 pm - 7:30 pmLAS-DCA
4h 30mnonstop
Southwest Logo
6:55 pm - 11:00 pmDCA-LAS
7h 05m1 stop
$237Southwest
Find Deal
Fri, Oct 31 - Mon, Nov 3
American Airlines Logo
1:31 pm - 8:55 pmLAS-DCA
4h 24mnonstop
American Airlines Logo
7:00 am - 9:29 amDCA-LAS
5h 29mnonstop
$264American Airlines
Find Deal
Thu, Nov 6 - Sun, Nov 9
American Airlines Logo
11:59 pm - 9:00 amLAS-DCA
6h 01m1 stop
American Airlines Logo
7:00 am - 9:29 amDCA-LAS
5h 29mnonstop
$265American Airlines
Find Deal
Thu, Oct 30 - Mon, Nov 3
Southwest Logo
8:30 am - 6:10 pmLAS-DCA
6h 40m1 stop
Southwest Logo
7:45 pm - 12:05 amDCA-LAS
7h 20m1 stop
$267Southwest
Find Deal
Tue, Oct 14 - Sun, Oct 19

Frontier flights from Las Vegas to Washington, D.C.

Our best Frontier deals on Las Vegas to Washington, D.C. flight tickets
Frontier
Oct 10
LAS9:05 pmLas Vegas Harry Reid Intl
11h 54m
1 stop
IAD11:59 amWashington, D.C. Dulles Intl
Oct 20
IAD10:04 amWashington, D.C. Dulles Intl
8h 52m
1 stop
LAS3:56 pmLas Vegas Harry Reid Intl
$156
Find similar
Frontier
Oct 16
LAS9:05 pmLas Vegas Harry Reid Intl
9h 04m
1 stop
IAD9:09 amWashington, D.C. Dulles Intl
Oct 20
IAD4:45 pmWashington, D.C. Dulles Intl
8h 03m
1 stop
LAS9:48 pmLas Vegas Harry Reid Intl
$160
Find similar
Frontier
Nov 6
LAS12:44 pmLas Vegas Harry Reid Intl
8h 40m
1 stop
BWI12:24 amBaltimore/Washington
Nov 9
BWI9:59 pmBaltimore/Washington
12h 05m
1 stop
LAS7:04 amLas Vegas Harry Reid Intl
$163
Find similar

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

Our best United Airlines deals on Las Vegas to Washington, D.C. flight tickets
United Airlines
Oct 29
LAS11:50 pmLas Vegas Harry Reid Intl
4h 19m
IAD7:09 amWashington, D.C. Dulles Intl
Nov 5
IAD7:41 pmWashington, D.C. Dulles Intl
5h 19m
LAS10:00 pmLas Vegas Harry Reid Intl
$163
Find similar
United Airlines
Oct 7
LAS9:49 amLas Vegas Harry Reid Intl
8h 41m
1 stop
BWI9:30 pmBaltimore/Washington
Oct 23
BWI7:28 pmBaltimore/Washington
7h 47m
1 stop
LAS12:15 amLas Vegas Harry Reid Intl
$183
Find similar
United Airlines
Oct 7
LAS10:45 pmLas Vegas Harry Reid Intl
4h 35m
IAD6:20 amWashington, D.C. Dulles Intl
Oct 11
IAD7:59 pmWashington, D.C. Dulles Intl
5h 00m
LAS9:59 pmLas Vegas Harry Reid Intl
$247
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Las Vegas to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Las Vegas to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Tue 10/14

8:45 pm-4:30 am

Nonstop4h 45m

Baltimore/Washington

Tue 10/21

7:50 am-10:05 am

Nonstop5h 15m

$121

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Fri 10/31

8:45 pm-4:30 am

Nonstop4h 45m

Baltimore/Washington

Fri 11/7

8:25 pm-10:42 pm

Nonstop5h 17m

$123

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Fri 10/10

9:05 pm-11:59 am

1 stop11h 54m

Washington, D.C. Dulles Intl

Mon 10/20

10:04 am-3:56 pm

1 stop8h 52m

$156

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Thu 10/16

9:05 pm-9:09 am

1 stop9h 04m

Washington, D.C. Dulles Intl

Mon 10/20

4:45 pm-9:48 pm

1 stop8h 03m

$160

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Wed 10/29

11:50 pm-7:09 am

Nonstop4h 19m

Washington, D.C. Dulles Intl

Wed 11/5

7:41 pm-10:00 pm

Nonstop5h 19m

$163

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Tue 10/7

9:49 am-9:30 pm

1 stop8h 41m

Baltimore/Washington

Thu 10/23

7:28 pm-12:15 am

1 stop7h 47m

$183

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Fri 10/31

12:00 pm-7:30 pm

Nonstop4h 30m

Washington, D.C. Reagan-National

Mon 11/3

6:55 pm-11:00 pm

1 stop7h 05m

$237

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 11/6

1:31 pm-8:55 pm

Nonstop4h 24m

Washington, D.C. Reagan-National

Sun 11/9

7:00 am-9:29 am

Nonstop5h 29m

$264

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 10/30

11:59 pm-9:00 am

1 stop6h 01m

Washington, D.C. Reagan-National

Mon 11/3

7:00 am-9:29 am

Nonstop5h 29m

$265

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 10/14

8:30 am-6:10 pm

1 stop6h 40m

Washington, D.C. Reagan-National

Sun 10/19

7:45 pm-12:05 am

1 stop7h 20m

$267

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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

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

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

The month of August is, on average, the cheapest month to fly to Washington, D.C. from Las Vegas, with most prices found around $193. If you’re not able to fly to Washington, D.C. in August, then July is your next best option. Flight prices from Las Vegas to Washington, D.C. during July average around $244.

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

On average, the least expensive day to fly to Washington, D.C. from Las Vegas is on a Thursday. momondo users have found tickets for Thursday departures for as low as $368. However, this price may fluctuate depending on the airline, the season, and holidays. 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. for around $598.

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

In the evening is the cheapest time of day to fly from Las Vegas to Washington, D.C. when you can find flight prices for as low as $335. Flying to Washington, D.C. in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $493. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $396 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Las Vegas for as low as $273 on momondo.

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

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

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

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

As of September 2025, prices for Las Vegas to Washington, D.C. flights are approximately 9% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to Washington, D.C. 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. (LAS to WAS) flight deals and tips

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

Best Price Found

$149

Fastest flight time

4h 19m

Direct flights

Every day

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Las Vegas in the past 72 hours is $149. The best round-trip flight deal from Las Vegas to Washington, D.C. found on momondo in the last 72 hours is $152.
The fastest flight from Las Vegas to Washington, D.C. takes 4h 19m
Direct flights go from Las Vegas to Washington, D.C. every day.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)
Search flight deals

  • How far is Las Vegas Harry Reid Intl to Washington, D.C. by plane?

    The distance between Las Vegas Harry Reid Intl and Washington, D.C. is about 2079.4 mi. Typically, this will take 4h 19m by plane in normal conditions.

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

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

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

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

    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..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Las Vegas to Washington, D.C.?

  • What is the most popular airline from Las Vegas to Washington, D.C.?

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

Compare and see reviews for airlines that fly from Las Vegas to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $95Free CancellationRating
5.8
3,174 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $129Free CancellationRating
6.3
8,019 reviews
Search Spirit Airlines flights
SouthwestPriceFrom $204Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $242Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $244Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
7,957 reviews
Search Delta flights

  • Southwest Flights From Las Vegas to Washington, D.C.

    The lowest priced Southwest flight from Las Vegas to Washington, D.C. from the last 72 hours was $204. Generally, Southwest has 5 flights on this route every week with an average price of $432. Southwest is rated 8.0/10 by our users.

  • United Airlines Flights From Las Vegas to Washington, D.C.

    The best United Airlines deal for Las Vegas to Washington, D.C. flight tickets found on momondo in the last 72 hours was $244, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $415 round-trip. United Airlines operates 24 flights out of Las Vegas into Washington, D.C. in an average week, so prices vary by time and availability. 8,924 United Airlines reviews by users on momondo have scored the airline at 7.4/10.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg
Springfield
Linthicum Heights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Las Vegas to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Las Vegas to Washington, D.C. flights to just show those with flexible booking policies.

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

Once all potential Las Vegas to Washington, D.C. 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 Las Vegas to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Las Vegas to Washington, D.C. 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.

An easier way to manage your Washington, D.C. 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.
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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport