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

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

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

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.

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 no flights being classified as delayed.

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.

$165 Cheap Flights from Washington, D.C. Dulles Intl Airport to Las Vegas in 2025/26

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

31 flights are operational weekly from Washington, D.C. Dulles Intl Airport to Las Vegas as of November 2025. The most popular departure day for this route is Mon, with 16% 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

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One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

08:45 - 11:18IAD-LAS

5h 33mdirect

13:55 - 21:20LAS-IAD

4h 25mdirect

$363United Airlines

Find Deal

Sun, 15 Feb - Thu, 19 Feb

08:15 - 14:02IAD-LAS

8h 47m1 stop

13:55 - 21:20LAS-IAD

4h 25mdirect

$372United Airlines

Find Deal

Sun, 15 Feb - Wed, 18 Feb

12:40 - 15:09IAD-LAS

5h 29mdirect

00:59 - 11:21LAS-IAD

7h 22m1 stop

$378United Airlines

Find Deal

Sun, 15 Feb - Wed, 18 Feb

17:19 - 22:12IAD-LAS

7h 53m1 stop

07:30 - 16:37LAS-IAD

6h 07m1 stop

$393United Airlines

Find Deal

Sun, 15 Feb - Wed, 18 Feb

16:30 - 22:20IAD-LAS

8h 50m1 stop

10:00 - 22:40LAS-IAD

9h 40m1 stop

$401Southwest

Find Deal

Sat, 14 Feb - Tue, 17 Feb

17:26 - 22:31IAD-LAS

8h 05m1 stop

06:00 - 17:27LAS-IAD

8h 27m1 stop

$409Alaska Airlines

Find Deal

Wed, 11 Feb - Sat, 21 Feb

07:05 - 22:56IAD-LAS

18h 51m1 stop

06:33 - 17:27LAS-IAD

7h 54m1 stop

$413Alaska Airlines

Find Deal

Mon, 16 Feb - Thu, 19 Feb

07:30 - 16:32IAD-LAS

12h 02m1 stop

06:00 - 16:46LAS-IAD

7h 46m1 stop

$415Delta

Find Deal

Wed, 14 Jan - Tue, 20 Jan

17:11 - 22:10IAD-LAS

7h 59m1 stop

07:02 - 19:11LAS-IAD

9h 09m1 stop

$424Delta

Find Deal

Sat, 14 Feb - Tue, 17 Feb

18:04 - 23:12IAD-LAS

32h 08m1 stop

06:00 - 17:04LAS-IAD

8h 04m1 stop

$429Alaska Airlines

Find Deal

Fri, 16 Jan - Sun, 18 Jan

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

1 Jan

IAD06:00Washington, D.C. Dulles Intl

7h 36m

1 stop

LAS10:36Las Vegas Harry Reid Intl

9 Jan

LAS11:06Las Vegas Harry Reid Intl

9h 04m

1 stop

IAD23:10Washington, D.C. Dulles Intl

$415

Find similar

Delta

14 Feb

IAD17:11Washington, D.C. Dulles Intl

7h 59m

1 stop

LAS22:10Las Vegas Harry Reid Intl

20 Feb

LAS23:17Las Vegas Harry Reid Intl

7h 40m

1 stop

IAD09:57Washington, D.C. Dulles Intl

$424

Find similar

Delta

20 Jan

IAD07:00Washington, D.C. Dulles Intl

8h 36m

1 stop

LAS12:36Las Vegas Harry Reid Intl

1 Feb

LAS11:06Las Vegas Harry Reid Intl

9h 04m

1 stop

IAD23:10Washington, D.C. Dulles Intl

$430

Find similar

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

11 Feb

IAD17:26Washington, D.C. Dulles Intl

8h 05m

1 stop

LAS22:31Las Vegas Harry Reid Intl

14 Feb

LAS06:00Las Vegas Harry Reid Intl

8h 27m

1 stop

IAD17:27Washington, D.C. Dulles Intl

$409

Find similar

Alaska Airlines

16 Feb

IAD07:05Washington, D.C. Dulles Intl

13h 21m

1 stop

LAS17:26Las Vegas Harry Reid Intl

21 Feb

LAS06:00Las Vegas Harry Reid Intl

8h 27m

1 stop

IAD17:27Washington, D.C. Dulles Intl

$429

Find similar

Alaska Airlines

16 Jan

IAD18:04Washington, D.C. Dulles Intl

30h 51m

2 stops

LAS21:55Las Vegas Harry Reid Intl

18 Jan

LAS06:00Las Vegas Harry Reid Intl

8h 04m

1 stop

IAD17:04Washington, D.C. Dulles Intl

$468

Find similar

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

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 15/2

08:45-11:18

Nonstop5h 33m

Las Vegas Harry Reid Intl

Thu 19/2

13:55-21:20

Nonstop4h 25m

$363

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 15/2

08:15-14:02

1 stop8h 47m

Las Vegas Harry Reid Intl

Wed 18/2

13:55-21:20

Nonstop4h 25m

$372

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 15/2

12:40-15:09

Nonstop5h 29m

Las Vegas Harry Reid Intl

Wed 18/2

00:59-11:21

1 stop7h 22m

$378

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 15/2

17:19-22:12

1 stop7h 53m

Las Vegas Harry Reid Intl

Wed 18/2

07:30-16:37

1 stop6h 07m

$393

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 14/2

16:30-22:20

1 stop8h 50m

Las Vegas Harry Reid Intl

Tue 17/2

10:00-22:40

1 stop9h 40m

$401

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 11/2

17:26-22:31

1 stop8h 05m

Las Vegas Harry Reid Intl

Sat 21/2

06:00-17:27

1 stop8h 27m

$409

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Mon 16/2

07:05-22:56

1 stop18h 51m

Las Vegas Harry Reid Intl

Thu 19/2

06:33-17:27

1 stop7h 54m

$413

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 14/1

07:30-16:32

1 stop12h 02m

Las Vegas Harry Reid Intl

Tue 20/1

06:00-16:46

1 stop7h 46m

$415

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 14/2

17:11-22:10

1 stop7h 59m

Las Vegas Harry Reid Intl

Tue 17/2

07:02-19:11

1 stop9h 09m

$424

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Fri 16/1

18:04-23:12

1 stop32h 08m

Las Vegas Harry Reid Intl

Sun 18/1

06:00-17:04

1 stop8h 04m

$429

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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

Prices

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Delays

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 $378, 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 $383.

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 $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. Dulles Intl Airport for as low as $473 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 November 2025, prices for Washington, D.C. Dulles Intl Airport to Las Vegas flights are approximately 10% more expensive 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 13m
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 13m

Direct flights go from Washington, D.C. Dulles Intl Airport 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. 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 20m 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 23.90% of the total bookings. Other popular models include Boeing 737-900 with 21.45%, Airbus A321neo with 12.97%, and Boeing 737 MAX 8 with 11.74%.

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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 $165

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

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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

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?

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?

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 November 2025, prices for Washington, D.C. Dulles Intl Airport to Las Vegas flights are approximately 10% more expensive when compared to flights at the same time last year.

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

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

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

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.

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 no flights being classified as delayed.

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

As of November 2025, 4 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 19:00, with 43% of daily flights taking off in the evening.

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

31 flights are operational weekly from Washington, D.C. Dulles Intl Airport to Las Vegas as of November 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

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

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

Direct flights

Airports in Las Vegas

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

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

How old do you have to be to fly 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?

What is the most popular plane model from Washington, D.C. Dulles Intl Airport 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