Cheap flights from Las Vegas to Washington, D.C. from $41

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 9/10. 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
5:36 pm - 7:01 amLAS-BWI
10h 25m1 stop
Spirit Airlines Logo
5:45 am - 9:19 pmBWI-LAS
18h 34m1 stop
$84Spirit Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
Spirit Airlines Logo
5:36 pm - 7:01 amLAS-BWI
10h 25m1 stop
Spirit Airlines Logo
5:45 am - 9:19 pmBWI-LAS
18h 34m1 stop
$87Spirit Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
Frontier Logo
12:55 am - 5:53 pmLAS-BWI
13h 58m1 stop
Frontier Logo
12:53 pm - 9:41 pmBWI-LAS
11h 48m1 stop
$161Frontier
Find Deal
Wed, Sep 24 - Sun, Sep 28
Frontier Logo
10:56 pm - 6:30 amLAS-IAD
4h 34mnonstop
Frontier Logo
8:00 am - 9:59 amIAD-LAS
4h 59mnonstop
$165Frontier
Find Deal
Thu, Aug 28 - Mon, Sep 1
United Airlines Logo
8:30 am - 4:09 pmLAS-IAD
4h 39mnonstop
United Airlines Logo
12:59 pm - 2:59 pmIAD-LAS
5h 00mnonstop
$207United Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
American Airlines Logo
12:25 pm - 8:15 pmLAS-DCA
4h 50mnonstop
American Airlines Logo
9:30 am - 11:37 amDCA-LAS
5h 07mnonstop
$207American Airlines
Find Deal
Thu, Sep 4 - Tue, Sep 9
American Airlines Logo
12:25 pm - 8:15 pmLAS-DCA
4h 50mnonstop
American Airlines Logo
9:30 am - 11:37 amDCA-LAS
5h 07mnonstop
$208American Airlines
Find Deal
Thu, Sep 4 - Wed, Sep 10
United Airlines Logo
6:49 pm - 7:19 amLAS-IAD
9h 30m1 stop
United Airlines Logo
7:59 pm - 9:58 pmIAD-LAS
4h 59mnonstop
$213United Airlines
Find Deal
Sat, Sep 13 - Mon, Sep 15
Southwest Logo
8:00 am - 3:35 pmLAS-DCA
4h 35mnonstop
Southwest Logo
4:40 pm - 7:55 pmDCA-LAS
6h 15m1 stop
$213Southwest
Find Deal
Sat, Sep 13 - Mon, Sep 15
Southwest Logo
6:50 am - 3:45 pmLAS-DCA
5h 55m1 stop
Southwest Logo
4:55 pm - 6:55 pmDCA-LAS
5h 00mnonstop
$217Southwest
Find Deal
Wed, Sep 17 - Sun, Sep 21

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

Our best Spirit Airlines deals on Las Vegas to Washington, D.C. flight tickets
Spirit Airlines
Sep 9
LAS5:36 pmLas Vegas Harry Reid Intl
10h 25m
1 stop
BWI7:01 amBaltimore/Washington
Sep 16
BWI5:45 amBaltimore/Washington
18h 34m
1 stop
LAS9:19 pmLas Vegas Harry Reid Intl
Spirit Airlines
Sep 9
LAS5:36 pmLas Vegas Harry Reid Intl
10h 25m
1 stop
BWI7:01 amBaltimore/Washington
Sep 16
BWI5:45 amBaltimore/Washington
18h 34m
1 stop
LAS9:19 pmLas Vegas Harry Reid Intl
Spirit Airlines
Sep 10
LAS5:36 pmLas Vegas Harry Reid Intl
10h 25m
1 stop
BWI7:01 amBaltimore/Washington
Sep 17
BWI5:45 amBaltimore/Washington
18h 34m
1 stop
LAS9:19 pmLas Vegas Harry Reid Intl

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

Our best Frontier deals on Las Vegas to Washington, D.C. flight tickets
Frontier
Sep 24
LAS12:55 amLas Vegas Harry Reid Intl
13h 58m
1 stop
BWI5:53 pmBaltimore/Washington
Sep 28
BWI12:53 pmBaltimore/Washington
11h 48m
1 stop
LAS9:41 pmLas Vegas Harry Reid Intl
Frontier
Aug 28
LAS10:56 pmLas Vegas Harry Reid Intl
4h 34m
IAD6:30 amWashington, D.C. Dulles Intl
Sep 1
IAD8:00 amWashington, D.C. Dulles Intl
4h 59m
LAS9:59 amLas Vegas Harry Reid Intl
Frontier
Oct 1
LAS11:04 pmLas Vegas Harry Reid Intl
16h 20m
1 stop
IAD6:24 pmWashington, D.C. Dulles Intl
Oct 4
IAD1:02 pmWashington, D.C. Dulles Intl
13h 48m
1 stop
LAS11:50 pmLas Vegas Harry Reid Intl

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 August 14, 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 9/9

5:36 pm-7:01 am

1 stop10h 25m

Baltimore/Washington

Tue 9/16

5:45 am-9:19 pm

1 stop18h 34m

$84

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Tue 9/9

5:36 pm-7:01 am

1 stop10h 25m

Baltimore/Washington

Tue 9/16

5:45 am-9:19 pm

1 stop18h 34m

$87

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Wed 9/24

12:55 am-5:53 pm

1 stop13h 58m

Baltimore/Washington

Sun 9/28

12:53 pm-9:41 pm

1 stop11h 48m

$161

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Thu 8/28

10:56 pm-6:30 am

Nonstop4h 34m

Washington, D.C. Dulles Intl

Mon 9/1

8:00 am-9:59 am

Nonstop4h 59m

$165

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Tue 9/9

8:30 am-4:09 pm

Nonstop4h 39m

Washington, D.C. Dulles Intl

Tue 9/16

12:59 pm-2:59 pm

Nonstop5h 00m

$207

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 9/4

12:25 pm-8:15 pm

Nonstop4h 50m

Washington, D.C. Reagan-National

Tue 9/9

9:30 am-11:37 am

Nonstop5h 07m

$207

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 9/4

12:25 pm-8:15 pm

Nonstop4h 50m

Washington, D.C. Reagan-National

Wed 9/10

9:30 am-11:37 am

Nonstop5h 07m

$208

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Sat 9/13

6:49 pm-7:19 am

1 stop9h 30m

Washington, D.C. Dulles Intl

Mon 9/15

7:59 pm-9:58 pm

Nonstop4h 59m

$213

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Sat 9/13

8:00 am-3:35 pm

Nonstop4h 35m

Washington, D.C. Reagan-National

Mon 9/15

4:40 pm-7:55 pm

1 stop6h 15m

$213

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Wed 9/17

6:50 am-3:45 pm

1 stop5h 55m

Washington, D.C. Reagan-National

Sun 9/21

4:55 pm-6:55 pm

Nonstop5h 00m

$217

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 typical price of a round-trip flight between Las Vegas and Washington, D.C.?

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 $201. 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 $374. 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 $605.

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 $332. 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 $508. 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 $405 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 $266 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 August 2025, prices for Las Vegas to Washington, D.C. flights are approximately 23% 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

$41

Fastest flight time

4h 20m

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 $41. The best round-trip flight deal from Las Vegas to Washington, D.C. found on momondo in the last 72 hours is $84.
The fastest flight from Las Vegas to Washington, D.C. takes 4h 20m
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)
  • 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 34m 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 $93Free CancellationRating
5.8
3,219 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $122Free CancellationRating
6.3
8,045 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $217Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
SouthwestPriceFrom $252Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
DeltaPriceFrom $256Free CancellationRating
8.0
7,980 reviews
Search Delta flights
American AirlinesPriceFrom $259Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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 $252. Generally, Southwest has 5 flights on this route every week with an average price of $441. 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 $217, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $396 round-trip. United Airlines operates 30 flights out of Las Vegas into Washington, D.C. in an average week, so prices vary by time and availability. 8,916 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
Arlington
National Harbor
Woodbridge
Tysons
Laurel
Silver Spring
Waldorf
Fredericksburg
Colonial Beach
Manassas
Rockville
Towson
Gaithersburg
Fairfax
Reston
Glen Burnie
Linthicum Heights
Springfield

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

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1 adult
Tue 8/19
Tue 8/26

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.