What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Washington, D.C. to Las Vegas flights?

According to our data, American Airlines have had the fewest delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

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

Alaska Airlines, United Airlines, and Delta 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?

6 flights are operational daily from Washington, D.C. to Las Vegas as of June 2026. The most popular departure time for this route is 09:00, with 49% of flights per day taking off at midday.

How often are flights from Washington, D.C. to Las Vegas delayed?

Historically, on average around 17% of flights between Washington, D.C. and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 163 minutes.

What is the most punctual flight time for Washington, D.C. to Las Vegas flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

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

45 flights are operational weekly from Washington, D.C. to Las Vegas as of June 2026. The most popular departure day for this route is Wed, with 18% 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.

$253 Cheap Flights from Washington, D.C. to Las Vegas in 2026

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 $880 to $480. The lowest price recently found on this route was $492.

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

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

09:30 - 17:53

IAD

LAS

11h 23m

1 stop

07:00 - 18:14

LAS

IAD

8h 14m

1 stop

$492Alaska Airlines

Tue, 11 Aug - Wed, 19 Aug

19:35 - 09:42

IAD

LAS

17h 07m

1 stop

17:28 - 18:14

LAS

IAD

21h 46m

1 stop

$498Alaska Airlines

Sat, 5 Sep - Wed, 9 Sep

19:35 - 09:42

IAD

LAS

17h 07m

1 stop

07:00 - 18:14

LAS

IAD

8h 14m

1 stop

$504Alaska Airlines

Sat, 5 Sep - Wed, 9 Sep

20:10 - 22:19

IAD

LAS

5h 09mdirect

08:48 - 16:24

LAS

IAD

4h 36mdirect

$521United Airlines

Tue, 21 Jul - Tue, 28 Jul

13:00 - 15:09

IAD

LAS

5h 09mdirect

08:48 - 16:24

LAS

IAD

4h 36mdirect

$527United Airlines

Sat, 4 Jul - Wed, 15 Jul

09:03 - 17:23

IAD

LAS

11h 20m

1 stop

07:00 - 18:14

LAS

IAD

8h 14m

1 stop

$532Alaska Airlines

Tue, 25 Aug - Sat, 29 Aug

06:03 - 14:16

IAD

LAS

11h 13m

1 stop

07:00 - 18:14

LAS

IAD

8h 14m

1 stop

$535Alaska Airlines

Mon, 17 Aug - Tue, 25 Aug

18:00 - 20:08

IAD

LAS

5h 08mdirect

19:41 - 05:23

LAS

IAD

6h 42m

1 stop

$541United Airlines

Wed, 23 Sep - Sat, 26 Sep

18:00 - 20:07

IAD

LAS

5h 07mdirect

08:20 - 15:57

LAS

IAD

4h 37mdirect

$545United Airlines

Tue, 13 Oct - Tue, 20 Oct

18:00 - 20:08

IAD

LAS

5h 08mdirect

00:59 - 11:29

LAS

IAD

7h 30m

1 stop

$546United Airlines

Sat, 12 Sep - Fri, 18 Sep

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

21 July

IAD20:10Washington, D.C. Dulles Intl

5h 09m

LAS22:19Las Vegas Harry Reid Intl

28 July

LAS08:48Las Vegas Harry Reid Intl

4h 36m

IAD16:24Washington, D.C. Dulles Intl

$521

United Airlines

4 July

IAD13:00Washington, D.C. Dulles Intl

5h 09m

LAS15:09Las Vegas Harry Reid Intl

15 July

LAS08:48Las Vegas Harry Reid Intl

4h 36m

IAD16:24Washington, D.C. Dulles Intl

$527

United Airlines

23 Sept

IAD18:00Washington, D.C. Dulles Intl

5h 08m

LAS20:08Las Vegas Harry Reid Intl

26 Sept

LAS19:41Las Vegas Harry Reid Intl

6h 42m

1 stop

IAD05:23Washington, D.C. Dulles Intl

$541

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

11 Aug

IAD09:30Washington, D.C. Dulles Intl

11h 23m

1 stop

LAS17:53Las Vegas Harry Reid Intl

19 Aug

LAS07:00Las Vegas Harry Reid Intl

8h 14m

1 stop

IAD18:14Washington, D.C. Dulles Intl

$492

Alaska Airlines

5 Sept

IAD19:35Washington, D.C. Dulles Intl

17h 07m

1 stop

LAS09:42Las Vegas Harry Reid Intl

9 Sept

LAS17:28Las Vegas Harry Reid Intl

21h 46m

1 stop

IAD18:14Washington, D.C. Dulles Intl

$498

Alaska Airlines

5 Sept

IAD19:35Washington, D.C. Dulles Intl

17h 07m

1 stop

LAS09:42Las Vegas Harry Reid Intl

9 Sept

LAS07:00Las Vegas Harry Reid Intl

8h 14m

1 stop

IAD18:14Washington, D.C. Dulles Intl

$504

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 11/8

09:30-17:53

1 stop11h 23m

Las Vegas Harry Reid Intl

Wed 19/8

07:00-18:14

1 stop8h 14m

$492

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 5/9

19:35-09:42

1 stop17h 07m

Las Vegas Harry Reid Intl

Wed 9/9

17:28-18:14

1 stop21h 46m

$498

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 5/9

19:35-09:42

1 stop17h 07m

Las Vegas Harry Reid Intl

Wed 9/9

07:00-18:14

1 stop8h 14m

$504

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 21/7

20:10-22:19

Nonstop5h 09m

Las Vegas Harry Reid Intl

Tue 28/7

08:48-16:24

Nonstop4h 36m

$521

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 4/7

13:00-15:09

Nonstop5h 09m

Las Vegas Harry Reid Intl

Wed 15/7

08:48-16:24

Nonstop4h 36m

$527

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 25/8

09:03-17:23

1 stop11h 20m

Las Vegas Harry Reid Intl

Sat 29/8

07:00-18:14

1 stop8h 14m

$532

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Mon 17/8

06:03-14:16

1 stop11h 13m

Las Vegas Harry Reid Intl

Tue 25/8

07:00-18:14

1 stop8h 14m

$535

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 23/9

18:00-20:08

Nonstop5h 08m

Las Vegas Harry Reid Intl

Sat 26/9

19:41-05:23

1 stop6h 42m

$541

Fastest return journey

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 13/10

18:00-20:07

Nonstop5h 07m

Las Vegas Harry Reid Intl

Tue 20/10

08:20-15:57

Nonstop4h 37m

$545

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 12/9

18:00-20:08

Nonstop5h 08m

Las Vegas Harry Reid Intl

Fri 18/9

00:59-11:29

1 stop7h 30m

$546

Flights are sorted by cheapest return flights first.

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

Airlines

Delays

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 August. Flight prices, which tend to average around $311, 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 $392.

What is the cheapest Washington, D.C. to Las Vegas Harry Reid Intl flight route?

Fly from Washington, D.C. Dulles Intl 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 from Washington, D.C. 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 $645 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 $511 on momondo.

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

There is only 1 cabin class available to choose from on Washington, D.C. to Las Vegas 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 June 2026, prices for Washington, D.C. to Las Vegas flights are approximately 0% 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 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

Fastest flight time	5h 08m
Direct flights	Every day
Airports in Las Vegas	1 airport

The fastest flight from Washington, D.C. to Las Vegas takes 5h 08m

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).

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Las Vegas

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 08m 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 20.27% of all bookings. The subsequent popular models are Boeing 737-900 at 18.13%, Boeing 737 MAX 9 at 13.85%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 10.96%.

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Wed 8/7

Wed 15/7

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Cabin classes

Other United States destinations

Complete your trip

Feeling lucky

Airports servicing Nevada

Reno Airport

Cheap flights from Washington, D.C. to Las Vegas from $253

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 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

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

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

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

momondo Fare Finder

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

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?

How far in advance should I book a flight from Washington, D.C. to Las Vegas?

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

Can stopping save me money on Washington, D.C. to Las Vegas flights?

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

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

How often are flights from Washington, D.C. to Las Vegas delayed?

What is the most punctual flight time for Washington, D.C. to Las Vegas flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Washington, D.C. to Las Vegas flights?

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

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

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

Fastest flight time

Direct flights

Airports in Las Vegas

Frequently asked questions about flying from Washington, D.C. to Las Vegas

Travelling to a place near Las Vegas?

Why use momondo?

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

Cabin classes currently available on flights to Las Vegas

List of cabin classes available on flights landing in Las Vegas. Availability may vary depending on flight origin and airline.

Popular Cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Complete your trip to Las Vegas

Explore popular destinations other users love

According to popular flight searches on momondo this year