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Cheap flights from Washington, D.C. to Las Vegas from $49

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 7/1. 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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0 bags

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

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington, D.C. to Las Vegas.
Frontier Logo
7:30 am - 9:30 amIAD-LAS
5h 00mnonstop
Frontier Logo
11:02 pm - 6:36 amLAS-IAD
4h 34mnonstop
$100Frontier
Find Deal
Wed, Jul 2 - Wed, Jul 9
Frontier Logo
8:01 am - 10:16 amIAD-LAS
5h 15mnonstop
Frontier Logo
11:00 pm - 6:31 amLAS-IAD
4h 31mnonstop
$101Frontier
Find Deal
Mon, May 5 - Thu, May 8
Spirit Airlines Logo
8:10 pm - 8:27 amBWI-LAS
15h 17m1 stop
Spirit Airlines Logo
7:02 pm - 1:38 pmLAS-BWI
15h 36m1 stop
$129Spirit Airlines
Find Deal
Sat, Apr 26 - Tue, Apr 29
Spirit Airlines Logo
9:39 pm - 11:58 pmBWI-LAS
5h 19mnonstop
Spirit Airlines Logo
7:02 pm - 1:38 pmLAS-BWI
15h 36m1 stop
$132Spirit Airlines
Find Deal
Fri, Apr 25 - Tue, Apr 29
American Airlines Logo
7:55 am - 10:03 amDCA-LAS
5h 08mnonstop
American Airlines Logo
12:44 pm - 8:15 pmLAS-DCA
4h 31mnonstop
$215American Airlines
Find Deal
Wed, May 21 - Sat, May 24
American Airlines Logo
8:25 am - 10:53 amDCA-LAS
5h 28mnonstop
American Airlines Logo
12:44 pm - 8:15 pmLAS-DCA
4h 31mnonstop
$216American Airlines
Find Deal
Sat, May 3 - Tue, May 6
United Airlines Logo
12:45 pm - 3:02 pmIAD-LAS
5h 17mnonstop
United Airlines Logo
7:00 am - 2:33 pmLAS-IAD
4h 33mnonstop
$218United Airlines
Find Deal
Sat, Apr 26 - Tue, Apr 29
United Airlines Logo
3:50 pm - 6:07 pmIAD-LAS
5h 17mnonstop
United Airlines Logo
10:45 pm - 6:10 amLAS-IAD
4h 25mnonstop
$221United Airlines
Find Deal
Mon, Apr 28 - Fri, May 2
Southwest Logo
4:40 pm - 6:50 pmDCA-LAS
5h 10mnonstop
Southwest Logo
7:15 am - 6:00 pmLAS-DCA
7h 45m1 stop
$225Southwest
Find Deal
Tue, May 13 - Wed, May 14
Southwest Logo
4:40 pm - 6:50 pmDCA-LAS
5h 10mnonstop
Southwest Logo
11:40 am - 11:10 pmLAS-DCA
8h 30m1 stop
$226Southwest
Find Deal
Sat, May 3 - Wed, May 7

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

Our best Frontier deals on Washington, D.C. to Las Vegas flight tickets
Frontier
Jul 2
IAD7:30 amWashington, D.C. Dulles Intl
5h 00m
LAS9:30 amLas Vegas Harry Reid Intl
Jul 9
LAS11:02 pmLas Vegas Harry Reid Intl
4h 34m
IAD6:36 amWashington, D.C. Dulles Intl
Frontier
May 5
IAD8:01 amWashington, D.C. Dulles Intl
5h 15m
LAS10:16 amLas Vegas Harry Reid Intl
May 8
LAS11:00 pmLas Vegas Harry Reid Intl
4h 31m
IAD6:31 amWashington, D.C. Dulles Intl
Frontier
May 17
IAD7:45 amWashington, D.C. Dulles Intl
5h 15m
LAS10:00 amLas Vegas Harry Reid Intl
May 21
LAS10:24 pmLas Vegas Harry Reid Intl
4h 31m
IAD5:55 amWashington, D.C. Dulles Intl

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

Our best United Airlines deals on Washington, D.C. to Las Vegas flight tickets
United Airlines
Apr 26
IAD12:45 pmWashington, D.C. Dulles Intl
5h 17m
LAS3:02 pmLas Vegas Harry Reid Intl
Apr 29
LAS7:00 amLas Vegas Harry Reid Intl
4h 33m
IAD2:33 pmWashington, D.C. Dulles Intl
United Airlines
Apr 28
IAD3:50 pmWashington, D.C. Dulles Intl
5h 17m
LAS6:07 pmLas Vegas Harry Reid Intl
May 2
LAS10:45 pmLas Vegas Harry Reid Intl
4h 25m
IAD6:10 amWashington, D.C. Dulles Intl
United Airlines
Apr 26
IAD8:35 amWashington, D.C. Dulles Intl
5h 17m
LAS10:52 amLas Vegas Harry Reid Intl
Apr 30
LAS7:11 pmLas Vegas Harry Reid Intl
7h 20m
1 stop
IAD5:31 amWashington, D.C. Dulles Intl

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 September is, on average, the cheapest month to fly to Las Vegas from Washington, D.C., with most prices found around $362. The month of August is another great option to travel to Las Vegas, with average flight prices from Washington, D.C. averaging around $366.

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

Our data shows that Saturday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $434. Flights from Washington, D.C. to Las Vegas on a Thursday will generally be more expensive and average around $554. 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 at noon when flights can be purchased for as low as $434. Flights to Las Vegas are more costly in the morning, with an average ticket price of $502. Departure times in the morning 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 Baltimore/Washington 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 5 weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $319 when searching 5 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 $224 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.

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

As of April 2025, prices for Washington, D.C. to Las Vegas flights are approximately 10% more expensive 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

$49

Fastest flight time

4h 50m

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 $49. The best round-trip flight deal from Washington, D.C. to Las Vegas found on momondo in the last 72 hours is $100.
The fastest flight from Washington, D.C. to Las Vegas takes 4h 50m
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)

  • 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 50m 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 $88Free CancellationRating
6.3
7,890 reviews
Search Spirit Airlines flights
FrontierPriceFrom $108Free CancellationRating
5.9
3,277 reviews
Search Frontier flights
Sun Country AirPriceFrom $132Free CancellationRating
6.9
349 reviews
Search Sun Country Air flights
DeltaPriceFrom $224Free CancellationRating
8.0
7,897 reviews
Search Delta flights
JetBluePriceFrom $239Free CancellationRating
7.3
2,920 reviews
Search JetBlue flights
Alaska AirlinesPriceFrom $275Free CancellationRating
8.0
9,833 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $289Free CancellationRating
7.4
8,619 reviews
Search United Airlines flights
SouthwestPriceFrom $299Free CancellationRating
8.0
4,276 reviews
Search Southwest flights
American AirlinesPriceFrom $309Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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 12 flights/week on average for this route. A good Southwest flight deal for Washington, D.C. to Las Vegas starts from $299 round-trip, up to an average price of $505. 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 $289 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $507. United Airlines operates 30 flights to Las Vegas from Washington, D.C. in an average week. Users have rated it 7.4/10 across 8,619 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
Kingman
Paradise
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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