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

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

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.

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

42 flights are operational weekly from Washington, D.C. to Las Vegas as of June 2026. The most popular departure day for this route is Tue, with 19% of flights per week taking off on this day.

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.

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.

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.

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.

$190 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 $895 to $508. The lowest price recently found on this route was $364.

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

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

18:59 - 00:39

IAD

LAS

8h 40m

1 stop

22:00 - 09:26

LAS

IAD

8h 26m

1 stop

$364Delta

Mon, 13 Jul - Tue, 21 Jul

17:26 - 21:58

IAD

LAS

7h 32m

1 stop

05:50 - 16:41

LAS

IAD

7h 51m

1 stop

$366Delta

Mon, 20 Jul - Wed, 29 Jul

20:10 - 22:19

IAD

LAS

5h 09mdirect

08:48 - 16:24

LAS

IAD

4h 36mdirect

$373United Airlines

Tue, 28 Jul - Fri, 31 Jul

08:27 - 12:02

IAD

LAS

6h 35m

1 stop

10:31 - 20:05

LAS

IAD

6h 34m

1 stop

$379Delta

Tue, 28 Jul - Tue, 4 Aug

18:00 - 20:08

IAD

LAS

5h 08mdirect

23:55 - 09:23

LAS

IAD

6h 28m

1 stop

$387United Airlines

Sat, 15 Aug - Sun, 23 Aug

18:00 - 20:08

IAD

LAS

5h 08mdirect

23:57 - 07:30

LAS

IAD

4h 33mdirect

$393United Airlines

Fri, 28 Aug - Sat, 5 Sep

18:00 - 20:08

IAD

LAS

5h 08mdirect

23:57 - 07:30

LAS

IAD

4h 33mdirect

$401United Airlines

Thu, 13 Aug - Sat, 15 Aug

18:00 - 20:08

IAD

LAS

5h 08mdirect

23:57 - 07:30

LAS

IAD

4h 33mdirect

$403United Airlines

Fri, 14 Aug - Sun, 16 Aug

20:10 - 22:19

IAD

LAS

5h 09mdirect

20:31 - 07:33

LAS

IAD

8h 02m

1 stop

$405United Airlines

Sat, 1 Aug - Thu, 6 Aug

18:00 - 20:08

IAD

LAS

5h 08mdirect

10:50 - 21:20

LAS

IAD

7h 30m

1 stop

$407United Airlines

Fri, 28 Aug - Sat, 5 Sep

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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

28 July

IAD20:10Washington, D.C. Dulles Intl

5h 09m

LAS22:19Las Vegas Harry Reid Intl

31 July

LAS08:48Las Vegas Harry Reid Intl

4h 36m

IAD16:24Washington, D.C. Dulles Intl

$373

United Airlines

15 Aug

IAD18:00Washington, D.C. Dulles Intl

5h 08m

LAS20:08Las Vegas Harry Reid Intl

23 Aug

LAS23:55Las Vegas Harry Reid Intl

6h 28m

1 stop

IAD09:23Washington, D.C. Dulles Intl

$387

United Airlines

28 Aug

IAD18:00Washington, D.C. Dulles Intl

5h 08m

LAS20:08Las Vegas Harry Reid Intl

5 Sept

LAS23:57Las Vegas Harry Reid Intl

4h 33m

IAD07:30Washington, D.C. Dulles Intl

$393

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

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

Delta

13 July

IAD17:46Washington, D.C. Dulles Intl

7h 49m

1 stop

LAS22:35Las Vegas Harry Reid Intl

20 July

LAS23:10Las Vegas Harry Reid Intl

8h 13m

1 stop

IAD10:23Washington, D.C. Dulles Intl

$364

Delta

20 July

IAD17:26Washington, D.C. Dulles Intl

7h 32m

1 stop

LAS21:58Las Vegas Harry Reid Intl

29 July

LAS05:50Las Vegas Harry Reid Intl

7h 51m

1 stop

IAD16:41Washington, D.C. Dulles Intl

$366

Delta

28 July

IAD08:27Washington, D.C. Dulles Intl

6h 35m

1 stop

LAS12:02Las Vegas Harry Reid Intl

4 Aug

LAS10:31Las Vegas Harry Reid Intl

6h 34m

1 stop

IAD20:05Washington, D.C. Dulles Intl

$379

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Mon 13/7

18:59-00:39

1 stop8h 40m

Las Vegas Harry Reid Intl

Tue 21/7

22:00-09:26

1 stop8h 26m

$364

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Mon 20/7

17:26-21:58

1 stop7h 32m

Las Vegas Harry Reid Intl

Wed 29/7

05:50-16:41

1 stop7h 51m

$366

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 28/7

20:10-22:19

Nonstop5h 09m

Las Vegas Harry Reid Intl

Fri 31/7

08:48-16:24

Nonstop4h 36m

$373

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 28/7

08:27-12:02

1 stop6h 35m

Las Vegas Harry Reid Intl

Tue 4/8

10:31-20:05

1 stop6h 34m

$379

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 15/8

18:00-20:08

Nonstop5h 08m

Las Vegas Harry Reid Intl

Sun 23/8

23:55-09:23

1 stop6h 28m

$387

Fastest return journey

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Fri 28/8

18:00-20:08

Nonstop5h 08m

Las Vegas Harry Reid Intl

Sat 5/9

23:57-07:30

Nonstop4h 33m

$393

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Thu 13/8

18:00-20:08

Nonstop5h 08m

Las Vegas Harry Reid Intl

Sat 15/8

23:57-07:30

Nonstop4h 33m

$401

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Fri 14/8

18:00-20:08

Nonstop5h 08m

Las Vegas Harry Reid Intl

Sun 16/8

23:57-07:30

Nonstop4h 33m

$403

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 1/8

20:10-22:19

Nonstop5h 09m

Las Vegas Harry Reid Intl

Thu 6/8

20:31-07:33

1 stop8h 02m

$405

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Fri 28/8

18:00-20:08

Nonstop5h 08m

Las Vegas Harry Reid Intl

Sat 5/9

10:50-21:20

1 stop7h 30m

$407

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 $312, 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 $424.

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 $675 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 $580 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 19.45% of all bookings. The subsequent popular models are Boeing 737-900 at 17.27%, Boeing 737 MAX 9 at 13.45%, 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.

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Cheap flights from Washington, D.C. to Las Vegas from $190

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 13/7. 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

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

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

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

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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

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Airports in Las Vegas

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

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