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Cheap flights from Washington, D.C. to Las Vegas 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 Washington, D.C. to Las Vegas departing on 9/16. 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
5:45 am - 11:06 amBWI-LAS
8h 21m1 stop
Spirit Airlines Logo
12:11 pm - 7:01 amLAS-BWI
15h 50m1 stop
$84Spirit Airlines
Find Deal
Wed, Sep 10 - Wed, Sep 17
Spirit Airlines Logo
5:45 am - 11:06 amBWI-LAS
8h 21m1 stop
Spirit Airlines Logo
5:36 pm - 7:01 amLAS-BWI
10h 25m1 stop
$86Spirit Airlines
Find Deal
Tue, Sep 16 - Wed, Sep 17
Frontier Logo
8:00 am - 9:59 amIAD-LAS
4h 59mnonstop
Frontier Logo
12:50 pm - 9:17 amLAS-IAD
17h 27m1 stop
$142Frontier
Find Deal
Thu, Aug 28 - Wed, Sep 3
Frontier Logo
1:02 pm - 6:29 pmIAD-LAS
8h 27m1 stop
Frontier Logo
12:55 am - 12:02 pmLAS-IAD
8h 07m1 stop
$156Frontier
Find Deal
Sat, Sep 13 - Fri, Sep 19
United Airlines Logo
7:59 pm - 9:59 pmIAD-LAS
5h 00mnonstop
United Airlines Logo
8:30 am - 4:10 pmLAS-IAD
4h 40mnonstop
$207United Airlines
Find Deal
Sun, Sep 28 - Tue, Sep 30
Southwest Logo
6:05 am - 8:25 amDCA-LAS
5h 20mnonstop
Southwest Logo
9:25 am - 4:50 pmLAS-DCA
4h 25mnonstop
$207Southwest
Find Deal
Sat, Nov 15 - Thu, Nov 20
Southwest Logo
6:55 pm - 11:00 pmDCA-LAS
7h 05m1 stop
Southwest Logo
11:35 am - 7:00 pmLAS-DCA
4h 25mnonstop
$212Southwest
Find Deal
Tue, Dec 9 - Sat, Dec 13
United Airlines Logo
7:59 pm - 9:59 pmIAD-LAS
5h 00mnonstop
United Airlines Logo
7:05 pm - 6:39 amLAS-IAD
8h 34m1 stop
$213United Airlines
Find Deal
Sun, Sep 28 - Thu, Oct 2
Alaska Airlines Logo
8:59 am - 3:50 pmDCA-LAS
9h 51m1 stop
Alaska Airlines Logo
8:00 am - 9:10 pmLAS-DCA
10h 10m1 stop
$216Alaska Airlines
Find Deal
Sun, Dec 7 - Wed, Dec 10
Alaska Airlines Logo
8:59 am - 3:50 pmDCA-LAS
9h 51m1 stop
Alaska Airlines Logo
10:00 am - 9:10 pmLAS-DCA
8h 10m1 stop
$221Alaska Airlines
Find Deal
Sun, Dec 7 - Sat, Dec 13

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
Sep 10
BWI5:45 amBaltimore/Washington
8h 21m
1 stop
LAS11:06 amLas Vegas Harry Reid Intl
Sep 17
LAS12:11 pmLas Vegas Harry Reid Intl
15h 50m
1 stop
BWI7:01 amBaltimore/Washington
$84
Find similar
Spirit Airlines
Sep 16
BWI5:45 amBaltimore/Washington
8h 21m
1 stop
LAS11:06 amLas Vegas Harry Reid Intl
Sep 17
LAS5:36 pmLas Vegas Harry Reid Intl
10h 25m
1 stop
BWI7:01 amBaltimore/Washington
$86
Find similar
Spirit Airlines
Sep 6
BWI5:45 amBaltimore/Washington
18h 34m
1 stop
LAS9:19 pmLas Vegas Harry Reid Intl
Sep 9
LAS5:36 pmLas Vegas Harry Reid Intl
10h 25m
1 stop
BWI7:01 amBaltimore/Washington
$97
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 28
IAD8:00 amWashington, D.C. Dulles Intl
4h 59m
LAS9:59 amLas Vegas Harry Reid Intl
Sep 3
LAS12:50 pmLas Vegas Harry Reid Intl
17h 27m
1 stop
IAD9:17 amWashington, D.C. Dulles Intl
$142
Find similar
Frontier
Sep 13
IAD1:02 pmWashington, D.C. Dulles Intl
8h 27m
1 stop
LAS6:29 pmLas Vegas Harry Reid Intl
Sep 19
LAS12:55 amLas Vegas Harry Reid Intl
8h 07m
1 stop
IAD12:02 pmWashington, D.C. Dulles Intl
$156
Find similar
Frontier
Aug 30
IAD8:00 amWashington, D.C. Dulles Intl
4h 59m
LAS9:59 amLas Vegas Harry Reid Intl
Sep 5
LAS12:55 amLas Vegas Harry Reid Intl
8h 07m
1 stop
IAD12:02 pmWashington, D.C. Dulles Intl
$158
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Las Vegas 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 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Wed 9/10

5:45 am-11:06 am

1 stop8h 21m

Las Vegas Harry Reid Intl

Wed 9/17

12:11 pm-7:01 am

1 stop15h 50m

$84

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Tue 9/16

5:45 am-11:06 am

1 stop8h 21m

Las Vegas Harry Reid Intl

Wed 9/17

5:36 pm-7:01 am

1 stop10h 25m

$86

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Thu 8/28

8:00 am-9:59 am

Nonstop4h 59m

Las Vegas Harry Reid Intl

Wed 9/3

12:50 pm-9:17 am

1 stop17h 27m

$142

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 9/13

1:02 pm-6:29 pm

1 stop8h 27m

Las Vegas Harry Reid Intl

Fri 9/19

12:55 am-12:02 pm

1 stop8h 07m

$156

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 9/28

7:59 pm-9:59 pm

Nonstop5h 00m

Las Vegas Harry Reid Intl

Tue 9/30

8:30 am-4:10 pm

Nonstop4h 40m

$207

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 11/15

6:05 am-8:25 am

Nonstop5h 20m

Las Vegas Harry Reid Intl

Thu 11/20

9:25 am-4:50 pm

Nonstop4h 25m

$207

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 12/9

6:55 pm-11:00 pm

1 stop7h 05m

Las Vegas Harry Reid Intl

Sat 12/13

11:35 am-7:00 pm

Nonstop4h 25m

$212

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 9/28

7:59 pm-9:59 pm

Nonstop5h 00m

Las Vegas Harry Reid Intl

Thu 10/2

7:05 pm-6:39 am

1 stop8h 34m

$213

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sun 12/7

8:59 am-3:50 pm

1 stop9h 51m

Las Vegas Harry Reid Intl

Wed 12/10

8:00 am-9:10 pm

1 stop10h 10m

$216

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sun 12/7

8:59 am-3:50 pm

1 stop9h 51m

Las Vegas Harry Reid Intl

Sat 12/13

10:00 am-9:10 pm

1 stop8h 10m

$221

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 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 $278. The month of August is another great option to travel to Las Vegas, with average flight prices from Washington, D.C. averaging around $290.

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 $366. Flights from Washington, D.C. to Las Vegas on a Thursday will generally be more expensive and average around $456. 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 $385. Flights to Las Vegas are more costly at noon, with an average ticket price of $543. Departure times at noon 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 weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $403 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 $317 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?

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

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

As of August 2025, prices for Washington, D.C. to Las Vegas flights are approximately 27% 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

$41

Fastest flight time

4h 59m

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 $41. The best round-trip flight deal from Washington, D.C. to Las Vegas found on momondo in the last 72 hours is $84.
The fastest flight from Washington, D.C. to Las Vegas takes 4h 59m
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)
Search flight deals

  • 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 59m 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 $115Free CancellationRating
6.3
8,042 reviews
Search Spirit Airlines flights
FrontierPriceFrom $120Free CancellationRating
5.8
3,211 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $233Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $241Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
Sun Country AirPriceFrom $242Free CancellationRating
6.9
333 reviews
Search Sun Country Air flights
DeltaPriceFrom $250Free CancellationRating
8.0
7,985 reviews
Search Delta flights
JetBluePriceFrom $253Free CancellationRating
7.2
2,916 reviews
Search JetBlue flights
United AirlinesPriceFrom $254Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
American AirlinesPriceFrom $279Free 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 17 flights/week on average for this route. A good Southwest flight deal for Washington, D.C. to Las Vegas starts from $241 round-trip, up to an average price of $478. 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 $254 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $476. United Airlines operates 22 flights to Las Vegas from Washington, D.C. in an average week. Users have rated it 7.4/10 across 8,916 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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