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Cheap flights from Washington, D.C. to Las Vegas from $54

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Las Vegas departing on 9/25. 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 Washington, D.C. to Las Vegas

Cheap round-trip flights

Spirit Airlines Logo
6:51 pm - 9:05 pmBWI-LAS
5h 14mnonstop
Spirit Airlines Logo
6:59 pm - 5:33 amLAS-BWI
7h 34m1 stop
$107Spirit Airlines
Find Deal
Sat, Aug 2 - Tue, Aug 5
Spirit Airlines Logo
5:45 am - 9:28 pmBWI-LAS
18h 43m1 stop
Spirit Airlines Logo
5:45 pm - 6:54 amLAS-BWI
10h 09m1 stop
$109Spirit Airlines
Find Deal
Sat, Aug 23 - Mon, Aug 25
Frontier Logo
6:14 am - 8:13 amIAD-LAS
4h 59mnonstop
Frontier Logo
10:56 pm - 6:30 amLAS-IAD
4h 34mnonstop
$131Frontier
Find Deal
Tue, Aug 19 - Fri, Aug 22
Frontier Logo
7:30 am - 9:29 amIAD-LAS
4h 59mnonstop
Frontier Logo
11:00 pm - 6:34 amLAS-IAD
4h 34mnonstop
$141Frontier
Find Deal
Wed, Jul 30 - Wed, Aug 6
United Airlines Logo
9:00 am - 11:03 amIAD-LAS
5h 03mnonstop
United Airlines Logo
1:15 pm - 8:51 pmLAS-IAD
4h 36mnonstop
$154United Airlines
Find Deal
Tue, Aug 26 - Tue, Aug 26
American Airlines Logo
9:30 am - 11:24 amDCA-LAS
4h 54mnonstop
American Airlines Logo
12:27 pm - 8:15 pmLAS-DCA
4h 48mnonstop
$158American Airlines
Find Deal
Wed, Aug 27 - Wed, Sep 3
United Airlines Logo
7:59 pm - 9:58 pmIAD-LAS
4h 59mnonstop
United Airlines Logo
10:45 pm - 6:20 amLAS-IAD
4h 35mnonstop
$159United Airlines
Find Deal
Sat, Sep 6 - Tue, Sep 16
Southwest Logo
4:55 pm - 6:55 pmDCA-LAS
5h 00mnonstop
Southwest Logo
9:15 am - 4:50 pmLAS-DCA
4h 35mnonstop
$159Southwest
Find Deal
Wed, Aug 13 - Tue, Aug 19
American Airlines Logo
9:30 am - 11:24 amDCA-LAS
4h 54mnonstop
American Airlines Logo
12:27 pm - 8:15 pmLAS-DCA
4h 48mnonstop
$160American Airlines
Find Deal
Wed, Aug 27 - Wed, Sep 3
Southwest Logo
4:55 pm - 6:55 pmDCA-LAS
5h 00mnonstop
Southwest Logo
9:15 am - 4:50 pmLAS-DCA
4h 35mnonstop
$218Southwest
Find Deal
Tue, Aug 12 - Tue, Aug 19

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

Our best Spirit Airlines deals on Washington, D.C. to Las Vegas flight tickets
Spirit Airlines
Aug 2
BWI6:51 pmBaltimore/Washington
5h 14m
LAS9:05 pmLas Vegas Harry Reid Intl
Aug 5
LAS6:59 pmLas Vegas Harry Reid Intl
7h 34m
1 stop
BWI5:33 amBaltimore/Washington
$107
Find similar
Spirit Airlines
Aug 23
BWI5:45 amBaltimore/Washington
18h 43m
1 stop
LAS9:28 pmLas Vegas Harry Reid Intl
Aug 25
LAS5:45 pmLas Vegas Harry Reid Intl
10h 09m
1 stop
BWI6:54 amBaltimore/Washington
$109
Find similar
Spirit Airlines
Sep 22
BWI5:35 amBaltimore/Washington
8h 21m
1 stop
LAS10:56 amLas Vegas Harry Reid Intl
Sep 26
LAS12:01 pmLas Vegas Harry Reid Intl
15h 55m
1 stop
BWI6:56 amBaltimore/Washington
$112
Find similar

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

Our best Frontier deals on Washington, D.C. to Las Vegas flight tickets
Frontier
Aug 19
IAD6:14 amWashington, D.C. Dulles Intl
4h 59m
LAS8:13 amLas Vegas Harry Reid Intl
Aug 22
LAS10:56 pmLas Vegas Harry Reid Intl
4h 34m
IAD6:30 amWashington, D.C. Dulles Intl
$131
Find similar
Frontier
Jul 30
IAD7:30 amWashington, D.C. Dulles Intl
4h 59m
LAS9:29 amLas Vegas Harry Reid Intl
Aug 6
LAS11:00 pmLas Vegas Harry Reid Intl
4h 34m
IAD6:34 amWashington, D.C. Dulles Intl
$141
Find similar
Frontier
Aug 9
IAD7:30 amWashington, D.C. Dulles Intl
4h 59m
LAS9:29 amLas Vegas Harry Reid Intl
Aug 17
LAS11:00 pmLas Vegas Harry Reid Intl
4h 34m
IAD6:34 amWashington, D.C. Dulles Intl
$142
Find similar

See travel insights to Las Vegas from

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

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

What is the cheapest month to fly to Las Vegas?

The month of July is, on average, the cheapest month to fly to Las Vegas from Washington, D.C., with most prices found around $314. The month of June is another great option to travel to Las Vegas, with average flight prices from Washington, D.C. averaging around $321.

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

Our data shows that Tuesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $385. Flights from Washington, D.C. to Las Vegas on a Thursday will generally be more expensive and average around $477. 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 $411. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $469. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Washington, D.C. 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. - Las Vegas Harry Reid Intl flight prices

How far in advance should I book a flight to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $413 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. for as low as $371 on momondo.

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

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

You could potentially save up to 26% on your flight if you consider stops on a Washington, D.C. to Las Vegas flight.

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

As of July 2025, prices for Washington, D.C. to Las Vegas flights are approximately 24% cheaper when compared to flights at the same time last year.

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

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

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

Best Price Found

$54

Fastest flight time

4h 54m

Direct flights

Every day

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from Washington, D.C. in the past 72 hours is $54. The best round-trip flight deal from Washington, D.C. to Las Vegas found on momondo in the last 72 hours is $107.
The fastest flight from Washington, D.C. to Las Vegas takes 4h 54m
Direct flights go from Washington, D.C. to Las Vegas every day.
There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)
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  • How far is Washington, D.C. to Las Vegas Harry Reid Intl by plane?

    The straight-line distance from Washington, D.C. to Las Vegas Harry Reid Intl is 2079.4 mi. Typically, this will take 4h 54m by plane in normal conditions.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. 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. to Las Vegas?

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

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

Compare and see reviews for airlines that fly from Washington, D.C. to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $117Free CancellationRating
6.3
8,047 reviews
Search Spirit Airlines flights
FrontierPriceFrom $118Free CancellationRating
5.9
3,260 reviews
Search Frontier flights
JetBluePriceFrom $243Free CancellationRating
7.3
2,908 reviews
Search JetBlue flights
DeltaPriceFrom $256Free CancellationRating
8.0
7,953 reviews
Search Delta flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
8,856 reviews
Search United Airlines flights
SouthwestPriceFrom $256Free CancellationRating
8.0
4,243 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $257Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $289Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Sun Country AirPriceFrom $290Free CancellationRating
6.9
335 reviews
Search Sun Country Air flights

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

    Southwest is one of the most popular airlines flying from Washington, D.C. to Las Vegas, operating 14 flights/week on average for this route. A good Southwest flight deal for Washington, D.C. to Las Vegas starts from $256 round-trip, up to an average price of $487. Our users have rated Southwest at 8.0/10.

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

    United Airlines is also a popular choice for this route. United Airlines flight deals for Washington, D.C. to Las Vegas start from as low as $256 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $479. United Airlines operates 24 flights to Las Vegas from Washington, D.C. in an average week. Users have rated it 7.4/10 across 8,858 reviews.

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Henderson
Mesquite
North Las Vegas
Paradise
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Winchester
Sunrise Manor
Needles

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Las Vegas flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Las Vegas that suits you.

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

momondo does allow users to show only those flights to Las Vegas from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Washington, D.C. and Las Vegas by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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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