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.

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 12% of their flights experiencing any sort of delay.

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

Historically, on average around 14% 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 170 minutes.

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

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

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

Wednesday 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. 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.

$252 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 week?

45 flights are operational weekly from Washington, D.C. Dulles Intl Airport 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.

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

As of June 2026, 6 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 09:00, with 41% of daily flights taking off at midday.

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

Round-trip

One-way

Last minute

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Cheap return flights

Enter your travel dates to find the best prices.

20:10 - 22:19

IAD

LAS

5h 09mdirect

08:20 - 15:58

LAS

IAD

4h 38mdirect

$426United Airlines

Tue, 14 Jul - Wed, 26 Aug

18:00 - 20:08

IAD

LAS

5h 08mdirect

08:20 - 15:58

LAS

IAD

4h 38mdirect

$431United Airlines

Sat, 15 Aug - Wed, 19 Aug

20:10 - 22:19

IAD

LAS

5h 09mdirect

18:05 - 05:25

LAS

IAD

8h 20m

1 stop

$440United Airlines

Tue, 14 Jul - Wed, 26 Aug

06:15 - 11:23

IAD

LAS

8h 08m

1 stop

08:20 - 15:58

LAS

IAD

4h 38mdirect

$445United Airlines

Sat, 15 Aug - Wed, 19 Aug

06:00 - 09:31

IAD

LAS

6h 31m

1 stop

11:31 - 23:26

LAS

IAD

8h 55m

1 stop

$454Delta

Tue, 14 Jul - Wed, 26 Aug

16:02 - 20:27

IAD

LAS

7h 25m

1 stop

08:20 - 15:57

LAS

IAD

4h 37mdirect

$457United Airlines

Wed, 30 Sep - Wed, 7 Oct

10:40 - 17:22

IAD

LAS

9h 42m

1 stop

14:55 - 00:32

LAS

IAD

6h 37m

1 stop

$459Delta

Sat, 12 Sep - Wed, 16 Sep

18:00 - 20:08

IAD

LAS

5h 08mdirect

23:55 - 09:23

LAS

IAD

6h 28m

1 stop

$461United Airlines

Wed, 12 Aug - Thu, 13 Aug

17:25 - 21:11

IAD

LAS

6h 46m

1 stop

06:20 - 23:20

LAS

IAD

14h 00m

1 stop

$466Delta

Tue, 18 Aug - Mon, 24 Aug

06:10 - 10:14

IAD

LAS

7h 04m

1 stop

10:05 - 19:59

LAS

IAD

6h 54m

1 stop

$475Delta

Tue, 25 Aug - Sat, 29 Aug

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

14 July

IAD20:10Washington, D.C. Dulles Intl

5h 09m

LAS22:19Las Vegas Harry Reid Intl

26 Aug

LAS08:20Las Vegas Harry Reid Intl

4h 38m

IAD15:58Washington, D.C. Dulles Intl

$426

United Airlines

15 Aug

IAD18:00Washington, D.C. Dulles Intl

5h 08m

LAS20:08Las Vegas Harry Reid Intl

19 Aug

LAS08:20Las Vegas Harry Reid Intl

4h 38m

IAD15:58Washington, D.C. Dulles Intl

$431

United Airlines

14 July

IAD20:10Washington, D.C. Dulles Intl

5h 09m

LAS22:19Las Vegas Harry Reid Intl

26 Aug

LAS18:05Las Vegas Harry Reid Intl

8h 20m

1 stop

IAD05:25Washington, D.C. Dulles Intl

$440

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

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

Delta

14 July

IAD06:00Washington, D.C. Dulles Intl

6h 31m

1 stop

LAS09:31Las Vegas Harry Reid Intl

26 Aug

LAS11:31Las Vegas Harry Reid Intl

8h 55m

1 stop

IAD23:26Washington, D.C. Dulles Intl

$454

Delta

18 Aug

IAD17:25Washington, D.C. Dulles Intl

6h 46m

1 stop

LAS21:11Las Vegas Harry Reid Intl

24 Aug

LAS06:20Las Vegas Harry Reid Intl

14h 00m

1 stop

IAD23:20Washington, D.C. Dulles Intl

$466

Delta

25 Aug

IAD06:10Washington, D.C. Dulles Intl

7h 04m

1 stop

LAS10:14Las Vegas Harry Reid Intl

29 Aug

LAS10:05Las Vegas Harry Reid Intl

6h 54m

1 stop

IAD19:59Washington, D.C. Dulles Intl

$475

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.

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Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 14/7

20:10-22:19

Nonstop5h 09m

Las Vegas Harry Reid Intl

Wed 26/8

08:20-15:58

Nonstop4h 38m

$426

Fastest return journey

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

Wed 19/8

08:20-15:58

Nonstop4h 38m

$431

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 14/7

20:10-22:19

Nonstop5h 09m

Las Vegas Harry Reid Intl

Wed 26/8

18:05-05:25

1 stop8h 20m

$440

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 15/8

06:15-11:23

1 stop8h 08m

Las Vegas Harry Reid Intl

Wed 19/8

08:20-15:58

Nonstop4h 38m

$445

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 14/7

06:00-09:31

1 stop6h 31m

Las Vegas Harry Reid Intl

Wed 26/8

11:31-23:26

1 stop8h 55m

$454

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 30/9

16:02-20:27

1 stop7h 25m

Las Vegas Harry Reid Intl

Wed 7/10

08:20-15:57

Nonstop4h 37m

$457

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 12/9

10:40-17:22

1 stop9h 42m

Las Vegas Harry Reid Intl

Wed 16/9

14:55-00:32

1 stop6h 37m

$459

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 12/8

18:00-20:08

Nonstop5h 08m

Las Vegas Harry Reid Intl

Thu 13/8

23:55-09:23

1 stop6h 28m

$461

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 18/8

17:25-21:11

1 stop6h 46m

Las Vegas Harry Reid Intl

Mon 24/8

06:20-23:20

1 stop14h 00m

$466

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 25/8

06:10-10:14

1 stop7h 04m

Las Vegas Harry Reid Intl

Sat 29/8

10:05-19:59

1 stop6h 54m

$475

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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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What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport is in August. Flight prices, which tend to average around $365, 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 $389.

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 from Washington, D.C. Dulles Intl Airport 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 $641 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 $507 on momondo.

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

There is only 1 cabin class available to choose from on Washington, D.C. Dulles Intl Airport to Las Vegas 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 June 2026, prices for Washington, D.C. Dulles Intl Airport to Las Vegas flights are approximately 45% 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 08m
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 08m

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

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 08m 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 737-900, making up 22.07% of the total bookings. Other popular models include Boeing 737 MAX 9 with 16.90%, Boeing 737 MAX 8 with 13.62%, and Boeing 737-800 with 10.99%.

Furnace Creek

Primm

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

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and 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 from Washington, D.C. Dulles Intl Airport to Las Vegas?

What cabin class options are available on Washington, D.C. Dulles Intl Airport to Las Vegas 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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