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Cheap flights from Washington, D.C. to Las Vegas from $66

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 10/12. 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 Washington, D.C. to Las Vegas

Cheap round-trip flights

Spirit Airlines Logo
6:21 pm - 8:33 pmBWI-LAS
5h 12mnonstop
Spirit Airlines Logo
11:47 pm - 7:23 amLAS-BWI
4h 36mnonstop
$130Spirit Airlines
Find Deal
Mon, Nov 3 - Sat, Nov 8
Spirit Airlines Logo
5:35 am - 10:41 amBWI-LAS
8h 06m1 stop
Spirit Airlines Logo
9:40 am - 5:16 pmLAS-BWI
4h 36mnonstop
$134Spirit Airlines
Find Deal
Tue, Oct 7 - Thu, Oct 9
Spirit Airlines Logo
7:50 am - 10:05 amBWI-LAS
5h 15mnonstop
Spirit Airlines Logo
9:00 am - 11:11 pmLAS-BWI
11h 11m1 stop
$138Spirit Airlines
Find Deal
Wed, Oct 15 - Sat, Oct 18
Frontier Logo
1:02 pm - 6:29 pmIAD-LAS
8h 27m1 stop
Frontier Logo
12:55 am - 11:59 amLAS-IAD
8h 04m1 stop
$154Frontier
Find Deal
Sat, Oct 4 - Fri, Oct 10
Frontier Logo
10:04 am - 3:56 pmIAD-LAS
8h 52m1 stop
Frontier Logo
9:05 pm - 11:59 amLAS-IAD
11h 54m1 stop
$156Frontier
Find Deal
Mon, Oct 20 - Fri, Oct 24
United Airlines Logo
7:41 pm - 10:00 pmIAD-LAS
5h 19mnonstop
United Airlines Logo
11:50 pm - 7:09 amLAS-IAD
4h 19mnonstop
$163United Airlines
Find Deal
Sun, Nov 2 - Wed, Nov 5
United Airlines Logo
7:28 pm - 12:15 amBWI-LAS
7h 47m1 stop
United Airlines Logo
11:59 pm - 9:59 amLAS-BWI
7h 00m1 stop
$183United Airlines
Find Deal
Thu, Oct 23 - Tue, Oct 28
American Airlines Logo
7:00 am - 9:29 amDCA-LAS
5h 29mnonstop
American Airlines Logo
1:31 pm - 8:55 pmLAS-DCA
4h 24mnonstop
$207American Airlines
Find Deal
Sun, Nov 2 - Sat, Nov 8
Southwest Logo
12:55 pm - 5:20 pmDCA-LAS
7h 25m1 stop
Southwest Logo
11:35 am - 7:00 pmLAS-DCA
4h 25mnonstop
$227Southwest
Find Deal
Wed, Dec 3 - Sat, Dec 6
Southwest Logo
4:35 pm - 6:50 pmDCA-LAS
5h 15mnonstop
Southwest Logo
11:15 pm - 8:40 amLAS-DCA
6h 25m1 stop
$232Southwest
Find Deal
Tue, Nov 18 - Wed, Dec 3

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
Nov 3
BWI6:21 pmBaltimore/Washington
5h 12m
LAS8:33 pmLas Vegas Harry Reid Intl
Nov 8
LAS11:47 pmLas Vegas Harry Reid Intl
4h 36m
BWI7:23 amBaltimore/Washington
$130
Find similar
Spirit Airlines
Oct 7
BWI5:35 amBaltimore/Washington
8h 06m
1 stop
LAS10:41 amLas Vegas Harry Reid Intl
Oct 9
LAS9:40 amLas Vegas Harry Reid Intl
4h 36m
BWI5:16 pmBaltimore/Washington
$134
Find similar
Spirit Airlines
Oct 15
BWI7:50 amBaltimore/Washington
5h 15m
LAS10:05 amLas Vegas Harry Reid Intl
Oct 18
LAS9:00 amLas Vegas Harry Reid Intl
11h 11m
1 stop
BWI11:11 pmBaltimore/Washington
$138
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
Oct 4
IAD1:02 pmWashington, D.C. Dulles Intl
8h 27m
1 stop
LAS6:29 pmLas Vegas Harry Reid Intl
Oct 10
LAS12:55 amLas Vegas Harry Reid Intl
8h 04m
1 stop
IAD11:59 amWashington, D.C. Dulles Intl
$154
Find similar
Frontier
Oct 20
IAD10:04 amWashington, D.C. Dulles Intl
8h 52m
1 stop
LAS3:56 pmLas Vegas Harry Reid Intl
Oct 24
LAS9:05 pmLas Vegas Harry Reid Intl
11h 54m
1 stop
IAD11:59 amWashington, D.C. Dulles Intl
$156
Find similar
Frontier
Oct 6
IAD6:10 amWashington, D.C. Dulles Intl
13h 31m
1 stop
LAS4:41 pmLas Vegas Harry Reid Intl
Oct 10
LAS9:05 pmLas Vegas Harry Reid Intl
11h 54m
1 stop
IAD11:59 amWashington, D.C. Dulles Intl
$159
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 September 17, 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

Mon 11/3

6:21 pm-8:33 pm

Nonstop5h 12m

Las Vegas Harry Reid Intl

Sat 11/8

11:47 pm-7:23 am

Nonstop4h 36m

$130

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Tue 10/7

5:35 am-10:41 am

1 stop8h 06m

Las Vegas Harry Reid Intl

Thu 10/9

9:40 am-5:16 pm

Nonstop4h 36m

$134

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Wed 10/15

7:50 am-10:05 am

Nonstop5h 15m

Las Vegas Harry Reid Intl

Sat 10/18

9:00 am-11:11 pm

1 stop11h 11m

$138

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 10/4

1:02 pm-6:29 pm

1 stop8h 27m

Las Vegas Harry Reid Intl

Fri 10/10

12:55 am-11:59 am

1 stop8h 04m

$154

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Mon 10/20

10:04 am-3:56 pm

1 stop8h 52m

Las Vegas Harry Reid Intl

Fri 10/24

9:05 pm-11:59 am

1 stop11h 54m

$156

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 11/2

7:41 pm-10:00 pm

Nonstop5h 19m

Las Vegas Harry Reid Intl

Wed 11/5

11:50 pm-7:09 am

Nonstop4h 19m

$163

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Thu 10/23

7:28 pm-12:15 am

1 stop7h 47m

Las Vegas Harry Reid Intl

Tue 10/28

11:59 pm-9:59 am

1 stop7h 00m

$183

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sun 11/2

7:00 am-9:29 am

Nonstop5h 29m

Las Vegas Harry Reid Intl

Sat 11/8

1:31 pm-8:55 pm

Nonstop4h 24m

$207

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Wed 12/3

12:55 pm-5:20 pm

1 stop7h 25m

Las Vegas Harry Reid Intl

Sat 12/6

11:35 am-7:00 pm

Nonstop4h 25m

$227

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 11/18

4:35 pm-6:50 pm

Nonstop5h 15m

Las Vegas Harry Reid Intl

Wed 12/3

11:15 pm-8:40 am

1 stop6h 25m

$232

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 August is, on average, the cheapest month to fly to Las Vegas from Washington, D.C., with most prices found around $269. The month of July is another great option to travel to Las Vegas, with average flight prices from Washington, D.C. averaging around $278.

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 $356. Flights from Washington, D.C. to Las Vegas on a Thursday will generally be more expensive and average around $442. 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 $376. Flights to Las Vegas are more costly at noon, with an average ticket price of $579. 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 $400 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 $314 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 September 2025, prices for Washington, D.C. to Las Vegas flights are approximately 1% 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

$114

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 $114. The best round-trip flight deal from Washington, D.C. to Las Vegas found on momondo in the last 72 hours is $178.
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 5h 00m 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
FrontierPriceFrom $119Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $123Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
DeltaPriceFrom $215Free CancellationRating
7.9
7,961 reviews
Search Delta flights
Alaska AirlinesPriceFrom $231Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $240Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
Sun Country AirPriceFrom $242Free CancellationRating
6.9
330 reviews
Search Sun Country Air flights
United AirlinesPriceFrom $250Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
JetBluePriceFrom $253Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
American AirlinesPriceFrom $273Free 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 $240 round-trip, up to an average price of $473. 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 $250 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $466. United Airlines operates 19 flights to Las Vegas from Washington, D.C. in an average week. Users have rated it 7.4/10 across 8,926 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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