Cheap flights from Washington, D.C. to Las Vegas from $204

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 29/4. 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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Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
07:00 - 15:27
IAD
-
LAS
11h 27m
1 stop
Delta Logo
10:55 - 23:55
LAS
-
IAD
10h 00m
1 stop
$406Delta
水, 15 4月 - 火, 21 4月
United Airlines Logo
19:50 - 22:13
IAD
-
LAS
5h 23mdirect
United Airlines Logo
08:10 - 15:49
LAS
-
IAD
4h 39mdirect
$420United Airlines
土, 11 4月 - 土, 18 4月
United Airlines Logo
19:50 - 22:13
IAD
-
LAS
5h 23mdirect
United Airlines Logo
19:10 - 06:36
LAS
-
IAD
8h 26m
1 stop
$429United Airlines
土, 18 4月 - 土, 25 4月
Delta Logo
07:00 - 13:14
IAD
-
LAS
9h 14m
1 stop
Delta Logo
10:55 - 23:55
LAS
-
IAD
10h 00m
1 stop
$433Delta
水, 15 4月 - 火, 21 4月
United Airlines Logo
19:50 - 22:13
IAD
-
LAS
5h 23mdirect
United Airlines Logo
07:00 - 17:28
LAS
-
IAD
7h 28m
1 stop
$434United Airlines
土, 11 4月 - 土, 18 4月
Delta Logo
07:00 - 15:27
IAD
-
LAS
11h 27m
1 stop
Delta Logo
23:01 - 10:18
LAS
-
IAD
8h 17m
1 stop
$446Delta
水, 15 4月 - 月, 20 4月
Delta Logo
07:00 - 15:27
IAD
-
LAS
11h 27m
1 stop
Delta Logo
10:55 - 23:55
LAS
-
IAD
10h 00m
1 stop
$463Delta
日, 26 4月 - 木, 30 4月
Alaska Airlines Logo
07:10 - 17:28
IAD
-
LAS
13h 18m
1 stop
Alaska Airlines Logo
18:42 - 17:41
LAS
-
IAD
19h 59m
1 stop
$471Alaska Airlines
水, 22 4月 - 月, 27 4月
Alaska Airlines Logo
18:22 - 09:53
IAD
-
LAS
18h 31m
1 stop
Alaska Airlines Logo
19:59 - 17:41
LAS
-
IAD
18h 42m
2 stops
$473Alaska Airlines
土, 18 4月 - 火, 21 4月
Delta Logo
15:00 - 21:07
IAD
-
LAS
9h 07m
1 stop
Delta Logo
10:55 - 23:55
LAS
-
IAD
10h 00m
1 stop
$474Delta
月, 20 4月 - 水, 22 4月

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

Our best Alaska Airlines deals on Washington, D.C. to Las Vegas flight tickets
Alaska Airlines
22 Apr
IAD07:10Washington, D.C. Dulles Intl
13h 18m
1 stop
LAS17:28Las Vegas Harry Reid Intl
27 Apr
LAS18:42Las Vegas Harry Reid Intl
19h 59m
1 stop
IAD17:41Washington, D.C. Dulles Intl
$471
Alaska Airlines
18 Apr
IAD18:22Washington, D.C. Dulles Intl
18h 31m
1 stop
LAS09:53Las Vegas Harry Reid Intl
21 Apr
LAS19:59Las Vegas Harry Reid Intl
18h 42m
2 stops
IAD17:41Washington, D.C. Dulles Intl
$473
Alaska Airlines
25 Apr
IAD07:10Washington, D.C. Dulles Intl
18h 43m
1 stop
LAS22:53Las Vegas Harry Reid Intl
26 Apr
LAS20:54Las Vegas Harry Reid Intl
24h 15m
1 stop
IAD00:09Washington, D.C. Dulles Intl
$477

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

Our best Delta deals on Washington, D.C. to Las Vegas flight tickets
Delta
15 Apr
IAD07:00Washington, D.C. Dulles Intl
11h 27m
1 stop
LAS15:27Las Vegas Harry Reid Intl
21 Apr
LAS10:55Las Vegas Harry Reid Intl
10h 00m
1 stop
IAD23:55Washington, D.C. Dulles Intl
$406
Delta
15 Apr
IAD07:00Washington, D.C. Dulles Intl
9h 14m
1 stop
LAS13:14Las Vegas Harry Reid Intl
21 Apr
LAS10:55Las Vegas Harry Reid Intl
10h 00m
1 stop
IAD23:55Washington, D.C. Dulles Intl
$433
Delta
15 Apr
IAD07:00Washington, D.C. Dulles Intl
11h 27m
1 stop
LAS15:27Las Vegas Harry Reid Intl
20 Apr
LAS23:01Las Vegas Harry Reid Intl
8h 17m
1 stop
IAD10:18Washington, D.C. Dulles Intl
$446

momondo Fare Finder

 
Customise 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 78,305 searches. Data last updated 7 3月 2026.
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

Cheapest return flight

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

水 15/4

07:00-15:27

1 stop11h 27m

Las Vegas Harry Reid Intl

火 21/4

10:55-23:55

1 stop10h 00m

$406
Fastest return journey

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

土 11/4

19:50-22:13

Nonstop5h 23m

Las Vegas Harry Reid Intl

土 18/4

08:10-15:49

Nonstop4h 39m

$420

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

土 18/4

19:50-22:13

Nonstop5h 23m

Las Vegas Harry Reid Intl

土 25/4

19:10-06:36

1 stop8h 26m

$429

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

水 15/4

07:00-13:14

1 stop9h 14m

Las Vegas Harry Reid Intl

火 21/4

10:55-23:55

1 stop10h 00m

$433

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

土 11/4

19:50-22:13

Nonstop5h 23m

Las Vegas Harry Reid Intl

土 18/4

07:00-17:28

1 stop7h 28m

$434

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

水 15/4

07:00-15:27

1 stop11h 27m

Las Vegas Harry Reid Intl

月 20/4

23:01-10:18

1 stop8h 17m

$446

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

日 26/4

07:00-15:27

1 stop11h 27m

Las Vegas Harry Reid Intl

木 30/4

10:55-23:55

1 stop10h 00m

$463

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

水 22/4

07:10-17:28

1 stop13h 18m

Las Vegas Harry Reid Intl

月 27/4

18:42-17:41

1 stop19h 59m

$471

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

土 18/4

18:22-09:53

1 stop18h 31m

Las Vegas Harry Reid Intl

火 21/4

19:59-17:41

2 stops18h 42m

$473

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

月 20/4

15:00-21:07

1 stop9h 07m

Las Vegas Harry Reid Intl

水 22/4

10:55-23:55

1 stop10h 00m

$474

Flights are sorted by cheapest return 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 cheapest month to fly to Las Vegas from Washington, D.C. is in August. Flight prices, which tend to average around $379, are often lower during this time because this is during the off-season. If you aren’t able to travel to Las Vegas during the month of August, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $394.

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 $581 when searching weeks before you fly. 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 $439 on momondo.

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

There are 2 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 40% 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 March 2026, prices for Washington, D.C. to Las Vegas flights are approximately 12% 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 return 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

$237

Fastest flight time

19h 39m

Direct flights

Every day

Airports in Las Vegas

1 airport
The best flight deal from Washington, D.C. to Las Vegas found on momondo in the last 72 hours is $237
The fastest flight from Washington, D.C. to Las Vegas takes 19h 39m
Direct flights go from Washington, D.C. to Las Vegas every day.
There is 1 airport in Las Vegas. From Washington, D.C. there are direct flights to Las Vegas Harry Reid Intl (LAS).
  • How far is Washington, D.C. to Las Vegas Harry Reid Intl by plane?

    Las Vegas Harry Reid Intl is 3346.4 km away from Washington, D.C.. 19h 39m is a normal flight duration for this route.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 licence 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?

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Furnace Creek
Primm

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Las Vegas for you.

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

Yes. momondo allows you to filter the results for Washington, D.C. to Las Vegas flights to just show those with flexible booking policies.

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 offers price alerts on flights to Las Vegas from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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月 6/4
月 13/4

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