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Cheap flights from Las Vegas to Washington, D.C. from $45

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 3/12. 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

These are some of the best round-trip flight deals from Las Vegas to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.
9:39 pm - 5:10 amLAS-BWI
4h 31mnonstop
10:42 am - 6:25 pmBWI-LAS
10h 43m1 stop
$95Spirit Airlines
Find Deal
Tue, Mar 18 - Tue, Mar 25
9:18 am - 4:47 pmLAS-BWI
4h 29mnonstop
10:42 am - 6:25 pmBWI-LAS
10h 43m1 stop
$100Spirit Airlines
Find Deal
Tue, Mar 18 - Tue, Mar 25
12:59 am - 12:04 pmLAS-DCA
8h 05m1 stop
1:03 pm - 6:16 pmDCA-LAS
8h 13m1 stop
$121Frontier
Find Deal
Mon, Mar 31 - Tue, Apr 8
12:59 am - 12:03 pmLAS-DCA
8h 04m1 stop
6:00 pm - 11:54 pmDCA-LAS
8h 54m1 stop
$125Frontier
Find Deal
Sun, Mar 9 - Mon, Mar 24
11:40 pm - 7:01 amLAS-IAD
4h 21mnonstop
12:45 pm - 3:17 pmIAD-LAS
5h 32mnonstop
$289United Airlines
Find Deal
Tue, Mar 18 - Tue, Mar 25
12:41 pm - 8:07 pmLAS-DCA
4h 26mnonstop
7:50 am - 10:18 amDCA-LAS
5h 28mnonstop
$289American Airlines
Find Deal
Tue, Mar 18 - Tue, Mar 25
11:40 pm - 7:01 amLAS-IAD
4h 21mnonstop
5:55 pm - 8:29 pmIAD-LAS
5h 34mnonstop
$290United Airlines
Find Deal
Thu, Mar 20 - Mon, Mar 24
8:30 am - 3:50 pmLAS-DCA
4h 20mnonstop
6:30 pm - 12:05 amDCA-LAS
8h 35m1 stop
$299Southwest
Find Deal
Tue, Mar 25 - Sat, Mar 29
12:41 pm - 8:07 pmLAS-DCA
4h 26mnonstop
8:25 am - 10:53 amDCA-LAS
5h 28mnonstop
$319American Airlines
Find Deal
Wed, Apr 2 - Tue, Apr 8
7:00 am - 4:45 pmLAS-IAD
6h 45m1 stop
5:05 am - 3:00 pmIAD-LAS
12h 55m2 stops
$320Southwest
Find Deal
Wed, Apr 16 - Sat, Apr 19

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
Mar 18
LAS11:40 pmLas Vegas Harry Reid Intl
4h 21m
IAD7:01 amWashington, D.C. Dulles Intl
Mar 25
IAD12:45 pmWashington, D.C. Dulles Intl
5h 32m
LAS3:17 pmLas Vegas Harry Reid Intl
United Airlines
Mar 20
LAS11:40 pmLas Vegas Harry Reid Intl
4h 21m
IAD7:01 amWashington, D.C. Dulles Intl
Mar 24
IAD5:55 pmWashington, D.C. Dulles Intl
5h 34m
LAS8:29 pmLas Vegas Harry Reid Intl
United Airlines
Mar 20
LAS11:40 pmLas Vegas Harry Reid Intl
4h 21m
IAD7:01 amWashington, D.C. Dulles Intl
Mar 27
IAD5:26 pmWashington, D.C. Dulles Intl
7h 36m
1 stop
LAS10:02 pmLas Vegas Harry Reid Intl

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

Our best Delta deals on Las Vegas to Washington, D.C. flight tickets
Delta
Mar 10
LAS11:40 pmLas Vegas Harry Reid Intl
10h 30m
1 stop
IAD1:10 pmWashington, D.C. Dulles Intl
Mar 12
IAD12:15 pmWashington, D.C. Dulles Intl
15h 03m
1 stop
LAS12:18 amLas Vegas Harry Reid Intl
Delta
May 23
LAS11:05 pmLas Vegas Harry Reid Intl
7h 20m
1 stop
DCA9:25 amWashington, D.C. Reagan-National
May 30
DCA7:30 pmWashington, D.C. Reagan-National
7h 34m
1 stop
LAS12:04 amLas Vegas Harry Reid Intl
Delta
Feb 24
LAS1:30 pmLas Vegas Harry Reid Intl
7h 04m
1 stop
IAD11:34 pmWashington, D.C. Dulles Intl
Feb 28
IAD7:35 pmWashington, D.C. Dulles Intl
31h 06m
1 stop
LAS11:41 pmLas Vegas Harry Reid Intl

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 $289. If you’re not able to fly to Washington, D.C. in August, then October is your next best option. Flight prices from Las Vegas to Washington, D.C. during October average around $294.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $453. 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 $716.

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

In the afternoon 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 $377. Flying to Washington, D.C. in the afternoon 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 $568. 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 23 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $451 when searching 23 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 $329 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.

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

As of February 2025, prices for Las Vegas to Washington, D.C. flights are approximately 2% 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

$45

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 $45. The best round-trip flight deal from Las Vegas to Washington, D.C. found on momondo in the last 72 hours is $95.
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 20m 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
Spirit AirlinesPriceFrom $112Free CancellationRating
6.3
8,013 reviews
Search Spirit Airlines flights
FrontierPriceFrom $146Free CancellationRating
6.0
3,355 reviews
Search Frontier flights
American AirlinesPriceFrom $204Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $287Free CancellationRating
8.0
8,220 reviews
Search Delta flights
United AirlinesPriceFrom $289Free CancellationRating
7.4
8,766 reviews
Search United Airlines flights
SouthwestPriceFrom $313Free CancellationRating
8.1
4,411 reviews
Search Southwest 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 $313. Generally, Southwest has 6 flights on this route every week with an average price of $511. Southwest is rated 8.1/10 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 $289, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $460 round-trip. United Airlines operates 22 flights out of Las Vegas into Washington, D.C. in an average week, so prices vary by time and availability. 8,766 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
Arlington
Gettysburg
Laurel
National Harbor
Silver Spring
Woodbridge
Fredericksburg
Manassas
Tysons
Waldorf
Gaithersburg
Linthicum Heights
Glen Burnie
Rockville
Fairfax
Towson
Hanover
Reston
Hyattsville

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.


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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.