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Cheap flights from Washington, D.C. Dulles Intl Airport to Las Vegas from $57

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. Dulles Intl Airport to Las Vegas departing on 5/3. 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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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Las Vegas

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. Dulles Intl Airport to Las Vegas that have been recently found on momondo from popular airlines, departing in the coming months.
8:01 am - 10:16 amIAD-LAS
5h 15mnonstop
11:00 pm - 6:31 amLAS-IAD
4h 31mnonstop
$111Frontier
Find Deal
Tue, May 6 - Thu, May 8
8:01 am - 10:16 amIAD-LAS
5h 15mnonstop
11:00 pm - 6:31 amLAS-IAD
4h 31mnonstop
$113Frontier
Find Deal
Mon, May 5 - Thu, May 8
5:55 pm - 8:14 pmIAD-LAS
5h 19mnonstop
1:15 pm - 8:51 pmLAS-IAD
4h 36mnonstop
$177United Airlines
Find Deal
Wed, Apr 2 - Tue, Apr 15
8:35 am - 10:52 amIAD-LAS
5h 17mnonstop
6:20 pm - 5:15 amLAS-IAD
7h 55m1 stop
$183United Airlines
Find Deal
Wed, Apr 2 - Tue, Apr 15
5:30 pm - 10:51 pmIAD-LAS
8h 21m1 stop
7:16 pm - 4:58 pmLAS-IAD
18h 42m1 stop
$208Alaska Airlines
Find Deal
Wed, Mar 26 - Tue, Apr 1
7:31 am - 3:17 pmIAD-LAS
10h 46m1 stop
7:06 am - 4:58 pmLAS-IAD
6h 52m1 stop
$216Alaska Airlines
Find Deal
Thu, Apr 3 - Tue, Apr 8
7:50 pm - 11:55 pmIAD-LAS
7h 05m1 stop
6:15 am - 5:55 pmLAS-IAD
8h 40m1 stop
$233Southwest
Find Deal
Mon, Apr 7 - Wed, Apr 9
4:00 pm - 10:25 pmIAD-LAS
9h 25m1 stop
6:15 am - 5:55 pmLAS-IAD
8h 40m1 stop
$235Southwest
Find Deal
Sat, Apr 5 - Wed, Apr 9
5:19 pm - 10:20 pmIAD-LAS
8h 01m1 stop
11:30 pm - 9:18 amLAS-IAD
6h 48m1 stop
$257Delta
Find Deal
Mon, Apr 14 - Wed, Apr 16
1:35 pm - 5:32 pmIAD-LAS
6h 57m1 stop
2:15 pm - 12:31 amLAS-IAD
7h 16m1 stop
$265Delta
Find Deal
Mon, Mar 17 - Wed, Mar 19

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

Our best Southwest deals on Washington, D.C. Dulles Intl Airport to Las Vegas flight tickets
Southwest
Apr 7
IAD7:50 pmWashington, D.C. Dulles Intl
7h 05m
1 stop
LAS11:55 pmLas Vegas Harry Reid Intl
Apr 9
LAS6:15 amLas Vegas Harry Reid Intl
8h 40m
1 stop
IAD5:55 pmWashington, D.C. Dulles Intl
Southwest
Apr 5
IAD4:00 pmWashington, D.C. Dulles Intl
9h 25m
1 stop
LAS10:25 pmLas Vegas Harry Reid Intl
Apr 9
LAS6:15 amLas Vegas Harry Reid Intl
8h 40m
1 stop
IAD5:55 pmWashington, D.C. Dulles Intl
Southwest
Apr 5
IAD6:30 amWashington, D.C. Dulles Intl
14h 00m
2 stops
LAS5:30 pmLas Vegas Harry Reid Intl
Apr 7
LAS10:30 pmLas Vegas Harry Reid Intl
12h 35m
1 stop
IAD2:05 pmWashington, D.C. Dulles Intl

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

Our best Frontier deals on Washington, D.C. Dulles Intl Airport to Las Vegas flight tickets
Frontier
May 6
IAD8:01 amWashington, D.C. Dulles Intl
5h 15m
LAS10:16 amLas Vegas Harry Reid Intl
May 8
LAS11:00 pmLas Vegas Harry Reid Intl
4h 31m
IAD6:31 amWashington, D.C. Dulles Intl
Frontier
May 5
IAD8:01 amWashington, D.C. Dulles Intl
5h 15m
LAS10:16 amLas Vegas Harry Reid Intl
May 8
LAS11:00 pmLas Vegas Harry Reid Intl
4h 31m
IAD6:31 amWashington, D.C. Dulles Intl
Frontier
May 8
IAD8:01 amWashington, D.C. Dulles Intl
5h 15m
LAS10:16 amLas Vegas Harry Reid Intl
May 12
LAS11:00 pmLas Vegas Harry Reid Intl
4h 31m
IAD6:31 amWashington, D.C. Dulles Intl

See travel insights to Las Vegas from

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 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 month of January is, on average, the cheapest month to fly to Las Vegas from Washington, D.C. Dulles Intl Airport, with most prices found around $431. The month of February is another great option to travel to Las Vegas, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $447.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Tuesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $448. Flights from Washington, D.C. Dulles Intl Airport to Las Vegas on a Thursday will generally be more expensive and average around $574. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is at noon when flights can be purchased for as low as $436. Flights to Las Vegas are more costly in the morning, with an average ticket price of $522. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 9 weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $487 when searching 9 weeks out.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 $435 on momondo.

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

There are 4 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 February 2025, prices for Washington, D.C. Dulles Intl Airport to Las Vegas flights are approximately 101% 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 round-trip 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

Best Price Found

$57

Fastest flight time

4h 59m

Direct flights

Every day

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from Washington, D.C. Dulles Intl Airport in the past 72 hours is $57. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Las Vegas found on momondo in the last 72 hours is $111.
The fastest flight from Washington, D.C. Dulles Intl Airport to Las Vegas takes 4h 59m
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)

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

    There are 2056.9 mi between Washington, D.C. Dulles Intl and Las Vegas Harry Reid Intl. A reasonable flight in good conditions will take 4h 59m.

  • 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 many operators does momondo search 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?

    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 layovers. 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 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 license 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. Dulles Intl Airport to Las Vegas?

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Las Vegas?


Best airlines flying from Washington, D.C. Dulles Intl Airport to Las Vegas

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $131Free CancellationRating
6.0
3,339 reviews
Search Frontier flights
Sun Country AirPriceFrom $132Free CancellationRating
7.0
371 reviews
Search Sun Country Air flights
Spirit AirlinesPriceFrom $161Free CancellationRating
6.3
7,980 reviews
Search Spirit Airlines flights
DeltaPriceFrom $258Free CancellationRating
8.0
8,138 reviews
Search Delta flights
Alaska AirlinesPriceFrom $265Free CancellationRating
8.0
9,717 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $301Free CancellationRating
7.4
8,724 reviews
Search United Airlines flights
American AirlinesPriceFrom $315Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $338Free CancellationRating
8.1
4,362 reviews
Search Southwest flights
  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Las Vegas

    United Airlines flight deals from Washington, D.C. Dulles Intl Airport to Las Vegas start from $301 round-trip. Over the 25 United Airlines flights for this route in a normal week, average airfare is usually $516 round-trip - but some users have found much cheaper deals with momondo.


Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Henderson
Mesquite
North Las Vegas
Kingman
Pahrump
Paradise
Primm
Furnace Creek
Boulder City
Winchester
Sunrise Manor
Needles

Why use momondo?

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

Finding the right flight to Las Vegas from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Las Vegas quick and easy, saving you time and money.

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

Flights from Washington, D.C. to Las Vegas with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

Yes. momondo can track prices for Washington, D.C. to Las Vegas flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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