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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 9/3. 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 - 9:28 pmBWI-LAS
18h 43m1 stop
Spirit Airlines Logo
5:36 pm - 7:01 amLAS-BWI
10h 25m1 stop
$84Spirit Airlines
Find Deal
Tue, Sep 2 - Tue, Sep 9
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
$104Spirit Airlines
Find Deal
Wed, Aug 27 - Wed, Sep 3
Frontier Logo
8:00 am - 9:59 amIAD-LAS
4h 59mnonstop
Frontier Logo
10:56 pm - 6:30 amLAS-IAD
4h 34mnonstop
$139Frontier
Find Deal
Sat, Aug 23 - Wed, Aug 27
Frontier Logo
8:00 am - 9:59 amIAD-LAS
4h 59mnonstop
Frontier Logo
10:56 pm - 6:30 amLAS-IAD
4h 34mnonstop
$142Frontier
Find Deal
Sat, Aug 23 - Thu, Aug 28
United Airlines Logo
7:59 pm - 9:58 pmIAD-LAS
4h 59mnonstop
United Airlines Logo
11:20 pm - 6:55 amLAS-IAD
4h 35mnonstop
$165United Airlines
Find Deal
Mon, Sep 22 - Thu, Sep 25
American Airlines Logo
7:29 am - 9:53 amDCA-LAS
5h 24mnonstop
American Airlines Logo
12:53 pm - 8:23 pmLAS-DCA
4h 30mnonstop
$165American Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
Southwest Logo
6:05 am - 8:05 amDCA-LAS
5h 00mnonstop
Southwest Logo
8:15 am - 3:55 pmLAS-DCA
4h 40mnonstop
$166Southwest
Find Deal
Sat, Sep 27 - Sat, Oct 4
United Airlines Logo
7:59 pm - 9:58 pmIAD-LAS
4h 59mnonstop
United Airlines Logo
6:49 pm - 7:19 amLAS-IAD
9h 30m1 stop
$171United Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
Southwest Logo
4:55 pm - 6:55 pmDCA-LAS
5h 00mnonstop
Southwest Logo
8:00 am - 3:35 pmLAS-DCA
4h 35mnonstop
$173Southwest
Find Deal
Wed, Sep 3 - Sat, Sep 6
American Airlines Logo
9:30 am - 11:37 amDCA-LAS
5h 07mnonstop
American Airlines Logo
12:27 pm - 8:15 pmLAS-DCA
4h 48mnonstop
$181American Airlines
Find Deal
Sun, Sep 21 - Thu, Sep 25

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
Sep 22
IAD7:59 pmWashington, D.C. Dulles Intl
4h 59m
LAS9:58 pmLas Vegas Harry Reid Intl
Sep 25
LAS11:20 pmLas Vegas Harry Reid Intl
4h 35m
IAD6:55 amWashington, D.C. Dulles Intl
$165
Find similar
United Airlines
Sep 13
IAD7:59 pmWashington, D.C. Dulles Intl
4h 59m
LAS9:58 pmLas Vegas Harry Reid Intl
Sep 20
LAS6:49 pmLas Vegas Harry Reid Intl
9h 30m
1 stop
IAD7:19 amWashington, D.C. Dulles Intl
$171
Find similar
United Airlines
Sep 3
IAD7:59 pmWashington, D.C. Dulles Intl
4h 59m
LAS9:58 pmLas Vegas Harry Reid Intl
Sep 5
LAS8:30 amLas Vegas Harry Reid Intl
4h 39m
IAD4:09 pmWashington, D.C. Dulles Intl
$173
Find similar

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

Our best American Airlines deals on Washington, D.C. to Las Vegas flight tickets
American Airlines
Dec 10
DCA7:29 amWashington, D.C. Reagan-National
5h 24m
LAS9:53 amLas Vegas Harry Reid Intl
Dec 13
LAS12:53 pmLas Vegas Harry Reid Intl
4h 30m
DCA8:23 pmWashington, D.C. Reagan-National
$165
Find similar
American Airlines
Sep 21
DCA9:30 amWashington, D.C. Reagan-National
5h 07m
LAS11:37 amLas Vegas Harry Reid Intl
Sep 25
LAS12:27 pmLas Vegas Harry Reid Intl
4h 48m
DCA8:15 pmWashington, D.C. Reagan-National
$181
Find similar
American Airlines
Nov 28
DCA7:29 amWashington, D.C. Reagan-National
5h 15m
LAS9:44 amLas Vegas Harry Reid Intl
Dec 3
LAS12:53 pmLas Vegas Harry Reid Intl
4h 30m
DCA8:23 pmWashington, D.C. Reagan-National
$186
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 5, 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

Tue 9/2

5:45 am-9:28 pm

1 stop18h 43m

Las Vegas Harry Reid Intl

Tue 9/9

5:36 pm-7:01 am

1 stop10h 25m

$84

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Wed 8/27

5:45 am-9:28 pm

1 stop18h 43m

Las Vegas Harry Reid Intl

Wed 9/3

5:45 pm-6:54 am

1 stop10h 09m

$104

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 8/23

8:00 am-9:59 am

Nonstop4h 59m

Las Vegas Harry Reid Intl

Wed 8/27

10:56 pm-6:30 am

Nonstop4h 34m

$139

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 8/23

8:00 am-9:59 am

Nonstop4h 59m

Las Vegas Harry Reid Intl

Thu 8/28

10:56 pm-6:30 am

Nonstop4h 34m

$142

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Mon 9/22

7:59 pm-9:58 pm

Nonstop4h 59m

Las Vegas Harry Reid Intl

Thu 9/25

11:20 pm-6:55 am

Nonstop4h 35m

$165

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Wed 12/10

7:29 am-9:53 am

Nonstop5h 24m

Las Vegas Harry Reid Intl

Sat 12/13

12:53 pm-8:23 pm

Nonstop4h 30m

$165

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 9/27

6:05 am-8:05 am

Nonstop5h 00m

Las Vegas Harry Reid Intl

Sat 10/4

8:15 am-3:55 pm

Nonstop4h 40m

$166

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 9/13

7:59 pm-9:58 pm

Nonstop4h 59m

Las Vegas Harry Reid Intl

Sat 9/20

6:49 pm-7:19 am

1 stop9h 30m

$171

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Wed 9/3

4:55 pm-6:55 pm

Nonstop5h 00m

Las Vegas Harry Reid Intl

Sat 9/6

8:00 am-3:35 pm

Nonstop4h 35m

$173

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sun 9/21

9:30 am-11:37 am

Nonstop5h 07m

Las Vegas Harry Reid Intl

Thu 9/25

12:27 pm-8:15 pm

Nonstop4h 48m

$181

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 cheapest month to fly to Las Vegas?

The month of August is, on average, the cheapest month to fly to Las Vegas from Washington, D.C., with most prices found around $302. The month of July is another great option to travel to Las Vegas, with average flight prices from Washington, D.C. averaging around $313.

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 $369. 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 $388. Flights to Las Vegas are more costly at noon, with an average ticket price of $507. 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 $334 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 $217 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 26% 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 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 $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 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)
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 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 $115Free CancellationRating
6.3
8,052 reviews
Search Spirit Airlines flights
FrontierPriceFrom $119Free CancellationRating
5.8
3,232 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $233Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $242Free CancellationRating
8.0
4,247 reviews
Search Southwest flights
Sun Country AirPriceFrom $242Free CancellationRating
6.9
334 reviews
Search Sun Country Air flights
DeltaPriceFrom $250Free CancellationRating
8.0
7,990 reviews
Search Delta flights
JetBluePriceFrom $253Free CancellationRating
7.2
2,915 reviews
Search JetBlue flights
United AirlinesPriceFrom $254Free CancellationRating
7.4
8,910 reviews
Search United Airlines flights
American AirlinesPriceFrom $281Free 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 5 flights/week on average for this route. A good Southwest flight deal for Washington, D.C. to Las Vegas starts from $242 round-trip, up to an average price of $480. 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 $477. United Airlines operates 23 flights to Las Vegas from Washington, D.C. in an average week. Users have rated it 7.4/10 across 8,910 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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