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

Historically, on average around 15% 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 171 minutes.

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 13% of their flights experiencing any sort of delay.

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

Delta, United Airlines, and Southwest 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.

$233 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 May 2026, 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 12:00, with 42% of daily flights taking off in the afternoon.

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

Prices are currently low for flights on this route. Typical prices usually range from $754 to $337. The lowest price recently found on this route was $465.

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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.

19:29 - 09:42

IAD

LAS

17h 13m

1 stop

19:09 - 18:14

LAS

IAD

20h 05m

1 stop

$465Alaska Airlines

Tue, 25 Aug - Tue, 8 Sep

19:37 - 10:27

IAD

LAS

17h 50m

1 stop

09:57 - 23:59

LAS

IAD

11h 02m

1 stop

$482Alaska Airlines

Sat, 6 Jun - Tue, 9 Jun

19:24 - 10:26

IAD

LAS

18h 02m

1 stop

15:54 - 05:40

LAS

IAD

10h 46m

1 stop

$496Alaska Airlines

Tue, 20 Oct - Sat, 24 Oct

07:00 - 16:11

IAD

LAS

12h 11m

1 stop

15:54 - 05:40

LAS

IAD

10h 46m

1 stop

$510Alaska Airlines

Sat, 3 Oct - Tue, 6 Oct

09:00 - 15:35

IAD

LAS

9h 35m

1 stop

10:14 - 23:59

LAS

IAD

10h 45m

1 stop

$512Alaska Airlines

Tue, 29 Sep - Tue, 6 Oct

09:00 - 11:03

IAD

LAS

5h 03mdirect

13:20 - 20:52

LAS

IAD

4h 32mdirect

$521United Airlines

Tue, 20 Oct - Tue, 27 Oct

09:00 - 11:03

IAD

LAS

5h 03mdirect

13:23 - 21:00

LAS

IAD

4h 37mdirect

$523United Airlines

Sat, 15 Aug - Tue, 18 Aug

13:07 - 15:10

IAD

LAS

5h 03mdirect

23:54 - 07:26

LAS

IAD

4h 32mdirect

$526United Airlines

Sat, 15 Aug - Thu, 20 Aug

12:55 - 14:58

IAD

LAS

5h 03mdirect

19:30 - 06:45

LAS

IAD

8h 15m

1 stop

$529United Airlines

Tue, 20 Oct - Tue, 27 Oct

08:33 - 13:13

IAD

LAS

7h 40m

1 stop

23:54 - 07:26

LAS

IAD

4h 32mdirect

$532United Airlines

Wed, 9 Sep - Mon, 14 Sep

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 Aug

IAD19:29Washington, D.C. Dulles Intl

17h 13m

1 stop

LAS09:42Las Vegas Harry Reid Intl

8 Sept

LAS19:09Las Vegas Harry Reid Intl

20h 05m

1 stop

IAD18:14Washington, D.C. Dulles Intl

$465

Alaska Airlines

6 June

IAD19:37Washington, D.C. Dulles Intl

17h 50m

1 stop

LAS10:27Las Vegas Harry Reid Intl

9 June

LAS09:57Las Vegas Harry Reid Intl

11h 02m

1 stop

IAD23:59Washington, D.C. Dulles Intl

$482

Alaska Airlines

20 Oct

IAD19:24Washington, D.C. Dulles Intl

18h 02m

1 stop

LAS10:26Las Vegas Harry Reid Intl

24 Oct

LAS15:54Las Vegas Harry Reid Intl

10h 46m

1 stop

IAD05:40Washington, D.C. Dulles Intl

$496

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

25 May

IAD06:08Washington, D.C. Dulles Intl

7h 30m

1 stop

LAS10:38Las Vegas Harry Reid Intl

27 May

LAS06:20Las Vegas Harry Reid Intl

8h 55m

1 stop

IAD18:15Washington, D.C. Dulles Intl

$537

Delta

6 June

IAD17:21Washington, D.C. Dulles Intl

7h 02m

1 stop

LAS21:23Las Vegas Harry Reid Intl

8 June

LAS22:00Las Vegas Harry Reid Intl

8h 21m

1 stop

IAD09:21Washington, D.C. Dulles Intl

$554

Delta

30 Sept

IAD18:40Washington, D.C. Dulles Intl

7h 10m

1 stop

LAS22:50Las Vegas Harry Reid Intl

7 Oct

LAS06:05Las Vegas Harry Reid Intl

7h 25m

1 stop

IAD16:30Washington, D.C. Dulles Intl

$562

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

Tue 25/8

19:29-09:42

1 stop17h 13m

Las Vegas Harry Reid Intl

Tue 8/9

19:09-18:14

1 stop20h 05m

$465

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 6/6

19:37-10:27

1 stop17h 50m

Las Vegas Harry Reid Intl

Tue 9/6

09:57-23:59

1 stop11h 02m

$482

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 20/10

19:24-10:26

1 stop18h 02m

Las Vegas Harry Reid Intl

Sat 24/10

15:54-05:40

1 stop10h 46m

$496

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 3/10

07:00-16:11

1 stop12h 11m

Las Vegas Harry Reid Intl

Tue 6/10

15:54-05:40

1 stop10h 46m

$510

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 29/9

09:00-15:35

1 stop9h 35m

Las Vegas Harry Reid Intl

Tue 6/10

10:14-23:59

1 stop10h 45m

$512

Fastest return journey

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 20/10

09:00-11:03

Nonstop5h 03m

Las Vegas Harry Reid Intl

Tue 27/10

13:20-20:52

Nonstop4h 32m

$521

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 15/8

09:00-11:03

Nonstop5h 03m

Las Vegas Harry Reid Intl

Tue 18/8

13:23-21:00

Nonstop4h 37m

$523

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 15/8

13:07-15:10

Nonstop5h 03m

Las Vegas Harry Reid Intl

Thu 20/8

23:54-07:26

Nonstop4h 32m

$526

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 20/10

12:55-14:58

Nonstop5h 03m

Las Vegas Harry Reid Intl

Tue 27/10

19:30-06:45

1 stop8h 15m

$529

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 9/9

08:33-13:13

1 stop7h 40m

Las Vegas Harry Reid Intl

Mon 14/9

23:54-07:26

Nonstop4h 32m

$532

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. 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

Airlines

Delays

Other information

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 $342, 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 $358.

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 $604 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 $457 on momondo.

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

As of May 2026, prices for Washington, D.C. Dulles Intl Airport to Las Vegas flights are approximately 48% 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	10h 23m
Direct flights	Every day
Airports in Las Vegas	1 airport

The fastest flight from Washington, D.C. Dulles Intl Airport to Las Vegas takes 10h 23m

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).

Search flight deals

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 10h 23m 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 26.32% of the total bookings. Other popular models include Boeing 737 MAX 9 with 23.39%, Boeing 737 MAX 8 with 15.59%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 7.08%.

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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Cheap flights from Washington, D.C. Dulles Intl Airport to Las Vegas from $233

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Alaska Airlines 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

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?

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

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

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

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