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 at night have, in the past, seen delays more frequently in comparison.

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

Historically, on average around 16% 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 169 minutes.

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, United Airlines have had the fewest delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

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

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

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Las Vegas Harry Reid Intl Airport?

Prices for flights from Washington, D.C. Dulles Intl Airport to Las Vegas Harry Reid Intl Airport were last updated today.

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

The required travel and health documents for your Las Vegas Harry Reid Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$201 Cheap Flights from Washington, D.C. Dulles Intl Airport to Las Vegas in 2026

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Las Vegas on average per day?

As of March 2026, 5 flights take off from Washington, D.C. Dulles Intl Airport and land in Las Vegas each day. The most common flight departure time for this route is 08:00, with 50% of daily flights taking off in the afternoon.

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Las Vegas on average per week?

40 flights are operational weekly from Washington, D.C. Dulles Intl Airport to Las Vegas as of March 2026. The most popular departure day for this route is Thu, with 23% of flights per week taking off on this day.

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

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

19:50 - 22:13

IAD

LAS

5h 23mdirect

08:10 - 15:49

LAS

IAD

4h 39mdirect

$415United Airlines

Sat, 18 Apr - Sat, 2 May

19:50 - 22:13

IAD

LAS

5h 23mdirect

19:10 - 06:36

LAS

IAD

8h 26m

1 stop

$423United Airlines

Sat, 18 Apr - Sat, 25 Apr

17:10 - 22:45

IAD

LAS

8h 35m

1 stop

08:10 - 15:49

LAS

IAD

4h 39mdirect

$429United Airlines

Sat, 18 Apr - Sat, 2 May

18:47 - 09:31

IAD

LAS

17h 44m

1 stop

06:00 - 00:09

LAS

IAD

15h 09m

2 stops

$446Alaska Airlines

Sat, 25 Apr - Wed, 29 Apr

07:00 - 18:28

IAD

LAS

14h 28m

1 stop

06:00 - 23:55

LAS

IAD

14h 55m

1 stop

$450Delta

Wed, 15 Apr - Tue, 21 Apr

07:00 - 23:59

IAD

LAS

19h 59m

1 stop

06:00 - 00:09

LAS

IAD

15h 09m

1 stop

$457Alaska Airlines

Tue, 21 Apr - Fri, 24 Apr

10:11 - 15:24

IAD

LAS

8h 13m

1 stop

10:55 - 23:55

LAS

IAD

10h 00m

1 stop

$458Delta

Wed, 15 Apr - Tue, 21 Apr

12:45 - 15:07

IAD

LAS

5h 22mdirect

08:10 - 15:49

LAS

IAD

4h 39mdirect

$460United Airlines

Tue, 5 May - Tue, 12 May

07:10 - 20:55

IAD

LAS

16h 45m

1 stop

06:00 - 00:09

LAS

IAD

15h 09m

2 stops

$464Alaska Airlines

Sun, 26 Apr - Wed, 29 Apr

07:00 - 17:24

IAD

LAS

13h 24m

1 stop

17:53 - 17:41

LAS

IAD

20h 48m

1 stop

$465Alaska Airlines

Wed, 15 Apr - Tue, 21 Apr

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

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

Alaska Airlines

25 Apr

IAD18:47Washington, D.C. Dulles Intl

17h 44m

1 stop

LAS09:31Las Vegas Harry Reid Intl

29 Apr

LAS06:00Las Vegas Harry Reid Intl

15h 09m

2 stops

IAD00:09Washington, D.C. Dulles Intl

$446

Alaska Airlines

21 Apr

IAD07:00Washington, D.C. Dulles Intl

19h 59m

1 stop

LAS23:59Las Vegas Harry Reid Intl

24 Apr

LAS06:00Las Vegas Harry Reid Intl

15h 09m

1 stop

IAD00:09Washington, D.C. Dulles Intl

$457

Alaska Airlines

26 Apr

IAD07:10Washington, D.C. Dulles Intl

16h 45m

1 stop

LAS20:55Las Vegas Harry Reid Intl

29 Apr

LAS06:00Las Vegas Harry Reid Intl

15h 09m

2 stops

IAD00:09Washington, D.C. Dulles Intl

$464

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

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

United Airlines

18 Apr

IAD19:50Washington, D.C. Dulles Intl

5h 23m

LAS22:13Las Vegas Harry Reid Intl

2 May

LAS08:10Las Vegas Harry Reid Intl

4h 39m

IAD15:49Washington, D.C. Dulles Intl

$415

United Airlines

18 Apr

IAD19:50Washington, D.C. Dulles Intl

5h 23m

LAS22:13Las Vegas Harry Reid Intl

25 Apr

LAS19:10Las Vegas Harry Reid Intl

8h 26m

1 stop

IAD06:36Washington, D.C. Dulles Intl

$423

United Airlines

18 Apr

IAD17:10Washington, D.C. Dulles Intl

8h 35m

1 stop

LAS22:45Las Vegas Harry Reid Intl

2 May

LAS08:10Las Vegas Harry Reid Intl

4h 39m

IAD15:49Washington, D.C. Dulles Intl

$429

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport 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

Sat 18/4

19:50-22:13

Nonstop5h 23m

Las Vegas Harry Reid Intl

Sat 2/5

08:10-15:49

Nonstop4h 39m

$415

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 18/4

19:50-22:13

Nonstop5h 23m

Las Vegas Harry Reid Intl

Sat 25/4

19:10-06:36

1 stop8h 26m

$423

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 18/4

17:10-22:45

1 stop8h 35m

Las Vegas Harry Reid Intl

Sat 2/5

08:10-15:49

Nonstop4h 39m

$429

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 25/4

18:47-09:31

1 stop17h 44m

Las Vegas Harry Reid Intl

Wed 29/4

06:00-00:09

2 stops15h 09m

$446

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 15/4

07:00-18:28

1 stop14h 28m

Las Vegas Harry Reid Intl

Tue 21/4

06:00-23:55

1 stop14h 55m

$450

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 21/4

07:00-23:59

1 stop19h 59m

Las Vegas Harry Reid Intl

Fri 24/4

06:00-00:09

1 stop15h 09m

$457

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 15/4

10:11-15:24

1 stop8h 13m

Las Vegas Harry Reid Intl

Tue 21/4

10:55-23:55

1 stop10h 00m

$458

Fastest return journey

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 5/5

12:45-15:07

Nonstop5h 22m

Las Vegas Harry Reid Intl

Tue 12/5

08:10-15:49

Nonstop4h 39m

$460

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 26/4

07:10-20:55

1 stop16h 45m

Las Vegas Harry Reid Intl

Wed 29/4

06:00-00:09

2 stops15h 09m

$464

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 15/4

07:00-17:24

1 stop13h 24m

Las Vegas Harry Reid Intl

Tue 21/4

17:53-17:41

1 stop20h 48m

$465

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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport 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

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Other information

What is the cheapest month to fly to Las Vegas?

The cheapest month to fly to Las Vegas from Washington, D.C. Dulles Intl Airport is in August. Flight prices, which tend to average around $337, 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 $350.

What is the cheapest Washington, D.C. Dulles Intl 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. Dulles Intl - 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. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $574 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. Dulles Intl Airport for as low as $433 on momondo.

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

There are 2 cabin classes available to choose from on Washington, D.C. Dulles Intl 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. Dulles Intl Airport to Las Vegas flight prices changed over time?

As of March 2026, prices for Washington, D.C. Dulles Intl Airport to Las Vegas flights are approximately 26% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Las Vegas (IAD to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Las Vegas

Fastest flight time	5h 22m
Direct flights	Every day
Airports in Las Vegas	1 airport

The fastest flight from Washington, D.C. Dulles Intl Airport to Las Vegas takes 5h 22m

Direct flights go from Washington, D.C. Dulles Intl Airport to Las Vegas every day.

There is 1 airport in Las Vegas. From Washington, D.C. Dulles Intl Airport there are direct flights to Las Vegas Harry Reid Intl (LAS).

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How far is Washington, D.C. Dulles Intl to Las Vegas Harry Reid Intl by plane?
The straight-line distance from Washington, D.C. Dulles Intl to Las Vegas Harry Reid Intl is 3310.3 km. Typically, this will take 5h 22m by plane in normal conditions.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Las Vegas Harry Reid Intl Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Las Vegas Harry Reid Intl Airport were last updated today.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Las Vegas Harry Reid Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Las Vegas Harry Reid Intl Airport.
What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?
The required travel and health documents for your Las Vegas Harry Reid Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Las Vegas?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Las Vegas, the leading plane model is Boeing 737 MAX 9, making up 32.01% of the total bookings. Other popular models include Boeing 737-900 with 29.70%, Boeing 737 MAX 8 with 20.10%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 6.18%.

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Las Vegas from Washington, D.C..

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

All flight searches from Washington, D.C. to Las Vegas on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Washington, D.C. to Las Vegas flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Las Vegas, momondo offers a useful price alert feature which will track prices for flights to Las Vegas from Washington, D.C. and alert you when they change.

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Cheap flights from Washington, D.C. Dulles Intl Airport to Las Vegas from $201

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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Las Vegas

What is the cheapest month to fly to Las Vegas?

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

How far in advance should I book a flight to Las Vegas?

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

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

What is the cheapest airline that flies from Washington, D.C. Dulles Intl 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. Dulles Intl Airport to Las Vegas on average per day?

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

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

Cheap Washington, D.C. Dulles Intl Airport to Las Vegas (IAD to LAS) flight deals and tips

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