What is the cheapest airline that flies from Washington, D.C. to Las Vegas Harry Reid Intl?

Southwest, United Airlines, and Hawaiian Airlines are the most popular carriers operating from Washington, D.C. to Las Vegas Harry Reid Intl

How many flights depart from Washington, D.C. to Las Vegas on average per day?

3 flights are operational daily from Washington, D.C. to Las Vegas as of September 2025. The most popular departure time for this route is 09:00, with 42% of flights per day taking off at midday.

How many flights depart from Washington, D.C. to Las Vegas on average per week?

26 flights are operational weekly from Washington, D.C. to Las Vegas as of September 2025. The most popular departure day for this route is Fri, with 19% of flights per week taking off on this day.

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.

$138 Cheap Flights from Washington, D.C. to Las Vegas in 2025

Q: What is the typical price of a round-trip flight between Washington, D.C. and Las Vegas?

Prices are currently low for flights on this route. Typical prices usually range from $322 to $731. The lowest price recently found on this route was $245.

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

Round-trip

One-way

Last minute

Direct

Cheap return flights

19:44 - 22:03IAD-LAS

5h 19mdirect

23:50 - 07:09LAS-IAD

4h 19mdirect

$245United Airlines

Find Deal

Sat, 8 Nov - Tue, 11 Nov

19:59 - 21:59IAD-LAS

5h 00mdirect

19:05 - 06:39LAS-IAD

8h 34m1 stop

$254United Airlines

Find Deal

Wed, 1 Oct - Sat, 4 Oct

17:00 - 23:25IAD-LAS

9h 25m1 stop

06:30 - 16:00LAS-IAD

6h 30m1 stop

$275Southwest

Find Deal

Sat, 25 Oct - Tue, 28 Oct

09:05 - 19:00IAD-LAS

12h 55m2 stops

05:40 - 15:45LAS-IAD

7h 05m1 stop

$283Southwest

Find Deal

Wed, 11 Feb - Sat, 14 Feb

17:40 - 22:26IAD-LAS

7h 46m1 stop

07:25 - 17:13LAS-IAD

6h 48m1 stop

$322Hawaiian Airlines

Find Deal

Tue, 28 Oct - Sat, 1 Nov

17:40 - 22:26IAD-LAS

7h 46m1 stop

07:25 - 17:13LAS-IAD

6h 48m1 stop

$340Alaska Airlines

Find Deal

Tue, 28 Oct - Tue, 4 Nov

19:41 - 09:56IAD-LAS

17h 15m1 stop

07:25 - 17:13LAS-IAD

6h 48m1 stop

$362Alaska Airlines

Find Deal

Fri, 24 Oct - Sat, 1 Nov

17:37 - 23:26IAD-LAS

8h 49m1 stop

06:00 - 17:30LAS-IAD

8h 30m1 stop

$368Hawaiian Airlines

Find Deal

Sun, 7 Dec - Fri, 12 Dec

12:27 - 18:46IAD-LAS

9h 19m1 stop

00:43 - 11:36LAS-IAD

7h 53m1 stop

$386Delta

Find Deal

Sat, 8 Nov - Tue, 11 Nov

06:18 - 12:45IAD-LAS

9h 27m1 stop

22:05 - 09:00LAS-IAD

7h 55m1 stop

$394Delta

Find Deal

Wed, 8 Oct - Wed, 15 Oct

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

8 Nov

IAD19:44Washington, D.C. Dulles Intl

5h 19m

LAS22:03Las Vegas Harry Reid Intl

11 Nov

LAS23:50Las Vegas Harry Reid Intl

4h 19m

IAD07:09Washington, D.C. Dulles Intl

$245

Find similar

United Airlines

1 Oct

IAD19:59Washington, D.C. Dulles Intl

5h 00m

LAS21:59Las Vegas Harry Reid Intl

4 Oct

LAS19:05Las Vegas Harry Reid Intl

8h 34m

1 stop

IAD06:39Washington, D.C. Dulles Intl

$254

Find similar

United Airlines

15 Feb

IAD08:45Washington, D.C. Dulles Intl

5h 33m

LAS11:18Las Vegas Harry Reid Intl

18 Feb

LAS13:20Las Vegas Harry Reid Intl

4h 32m

IAD20:52Washington, D.C. Dulles Intl

$269

Find similar

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

Our best Southwest deals on Washington, D.C. to Las Vegas flight tickets

Southwest

25 Oct

IAD17:00Washington, D.C. Dulles Intl

9h 25m

1 stop

LAS23:25Las Vegas Harry Reid Intl

28 Oct

LAS06:30Las Vegas Harry Reid Intl

6h 30m

1 stop

IAD16:00Washington, D.C. Dulles Intl

$275

Find similar

Southwest

11 Feb

IAD09:05Washington, D.C. Dulles Intl

12h 55m

2 stops

LAS19:00Las Vegas Harry Reid Intl

14 Feb

LAS05:40Las Vegas Harry Reid Intl

7h 05m

1 stop

IAD15:45Washington, D.C. Dulles Intl

$283

Find similar

Southwest

24 Oct

IAD18:25Washington, D.C. Dulles Intl

8h 00m

1 stop

LAS23:25Las Vegas Harry Reid Intl

28 Oct

LAS10:45Las Vegas Harry Reid Intl

9h 20m

2 stops

IAD23:05Washington, D.C. Dulles Intl

$307

Find similar

momondo Fare Finder

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

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 8/11

19:44-22:03

Nonstop5h 19m

Las Vegas Harry Reid Intl

Tue 11/11

23:50-07:09

Nonstop4h 19m

$245

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 1/10

19:59-21:59

Nonstop5h 00m

Las Vegas Harry Reid Intl

Sat 4/10

19:05-06:39

1 stop8h 34m

$254

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 25/10

17:00-23:25

1 stop9h 25m

Las Vegas Harry Reid Intl

Tue 28/10

06:30-16:00

1 stop6h 30m

$275

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 11/2

09:05-19:00

2 stops12h 55m

Las Vegas Harry Reid Intl

Sat 14/2

05:40-15:45

1 stop7h 05m

$283

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 28/10

17:40-22:26

1 stop7h 46m

Las Vegas Harry Reid Intl

Sat 1/11

07:25-17:13

1 stop6h 48m

$322

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 28/10

17:40-22:26

1 stop7h 46m

Las Vegas Harry Reid Intl

Tue 4/11

07:25-17:13

1 stop6h 48m

$340

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Fri 24/10

19:41-09:56

1 stop17h 15m

Las Vegas Harry Reid Intl

Sat 1/11

07:25-17:13

1 stop6h 48m

$362

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 7/12

17:37-23:26

1 stop8h 49m

Las Vegas Harry Reid Intl

Fri 12/12

06:00-17:30

1 stop8h 30m

$368

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 8/11

12:27-18:46

1 stop9h 19m

Las Vegas Harry Reid Intl

Tue 11/11

00:43-11:36

1 stop7h 53m

$386

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 8/10

06:18-12:45

1 stop9h 27m

Las Vegas Harry Reid Intl

Wed 15/10

22:05-09:00

1 stop7h 55m

$394

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Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

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Other information

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 July. Flight prices, which tend to average around $418, 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 July, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $440.

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 $606 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 $489 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.

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 17% 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	$250
Fastest flight time	4h 59m
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 $250

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?
Las Vegas Harry Reid Intl is 3346.4 km away from Washington, D.C.. 5h 00m 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?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. to Las Vegas is Boeing 737 MAX 8, representing 17.04% of all bookings. The subsequent popular models are Boeing 737-900 at 15.25%, Boeing 737 MAX 9 at 14.93%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 10.35%.

Furnace Creek

Primm

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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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Cheap flights from Washington, D.C. to Las Vegas from $138

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 16/12. 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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United Airlines flights from Washington, D.C. to Las Vegas

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Our best Southwest deals on Washington, D.C. to Las Vegas flight tickets

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Use the filters below to find and compare flights from Washington, D.C. to Las Vegas that are best for you.

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?

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?

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.

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 17% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Washington, D.C. to Las Vegas Harry Reid Intl?

Southwest, United Airlines, and Hawaiian Airlines are the most popular carriers operating from Washington, D.C. to Las Vegas Harry Reid Intl

How many flights depart from Washington, D.C. to Las Vegas on average per day?

3 flights are operational daily from Washington, D.C. to Las Vegas as of September 2025. The most popular departure time for this route is 09:00, with 42% of flights per day taking off at midday.

How many flights depart from Washington, D.C. to Las Vegas on average per week?

26 flights are operational weekly from Washington, D.C. to Las Vegas as of September 2025. The most popular departure day for this route is Fri, with 19% of flights per week taking off on this day.

When to book flights from Washington, D.C. to Las Vegas

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

Fastest flight time

Direct flights

Airports in Las Vegas

How far is Washington, D.C. to Las Vegas Harry Reid Intl by plane?

When did momondo last update prices 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?

What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

What is the most popular plane model from Washington, D.C. to Las Vegas?

Travelling to a place near Las Vegas?

Why use momondo?

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

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

How can momondo help me find flights from Washington, D.C. to Las Vegas?

I’m not ready to book a flight from Washington, D.C. to Las Vegas right now. Can momondo alert me if prices change?

An easier way to manage your Las Vegas trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Nevada