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Cheap flights from Washington, D.C. Dulles Intl Airport to Las Vegas from $131

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 13/5. 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 return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Las Vegas.
Frontier Logo
07:45 - 10:00IAD-LAS
5h 15mdirect
Frontier Logo
23:00 - 06:31LAS-IAD
4h 31mdirect
$260Frontier
Find Deal
Tue, 6 May - Tue, 6 May
 Logo
10:00 - 16:40IAD-LAS
9h 40m1 stop
 Logo
23:00 - 06:31LAS-IAD
4h 31mdirect
Tue, 6 May - Tue, 6 May
Alaska Airlines Logo
17:00 - 22:24IAD-LAS
8h 24m1 stop
Alaska Airlines Logo
06:38 - 17:22LAS-IAD
7h 44m1 stop
$344Alaska Airlines
Find Deal
Sat, 26 Apr - Tue, 6 May
United Airlines Logo
15:50 - 18:07IAD-LAS
5h 17mdirect
United Airlines Logo
22:45 - 06:10LAS-IAD
4h 25mdirect
$356United Airlines
Find Deal
Wed, 30 Apr - Tue, 6 May
Alaska Airlines Logo
17:00 - 22:24IAD-LAS
8h 24m1 stop
Alaska Airlines Logo
10:08 - 00:23LAS-IAD
11h 15m1 stop
$357Alaska Airlines
Find Deal
Tue, 6 May - Thu, 8 May
United Airlines Logo
17:55 - 20:14IAD-LAS
5h 19mdirect
United Airlines Logo
08:25 - 15:58LAS-IAD
4h 33mdirect
$361United Airlines
Find Deal
Wed, 30 Apr - Fri, 2 May
Alaska Airlines Logo
17:00 - 22:24IAD-LAS
8h 24m1 stop
Alaska Airlines Logo
06:38 - 17:22LAS-IAD
7h 44m1 stop
$364Alaska Airlines
Find Deal
Tue, 22 Apr - Tue, 29 Apr
United Airlines Logo
12:50 - 15:08IAD-LAS
5h 18mdirect
United Airlines Logo
07:00 - 14:33LAS-IAD
4h 33mdirect
$366United Airlines
Find Deal
Thu, 1 May - Sat, 3 May
Hawaiian Airlines Logo
10:00 - 19:03IAD-LAS
12h 03m1 stop
Hawaiian Airlines Logo
07:45 - 20:43LAS-IAD
9h 58m1 stop
$389Hawaiian Airlines
Find Deal
Wed, 7 May - Sat, 10 May
Hawaiian Airlines Logo
17:00 - 22:24IAD-LAS
8h 24m1 stop
Hawaiian Airlines Logo
07:45 - 20:43LAS-IAD
9h 58m1 stop
$394Hawaiian Airlines
Find Deal
Thu, 8 May - Sat, 10 May

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
26 Apr
IAD17:00Washington, D.C. Dulles Intl
8h 24m
1 stop
LAS22:24Las Vegas Harry Reid Intl
6 May
LAS06:38Las Vegas Harry Reid Intl
7h 44m
1 stop
IAD17:22Washington, D.C. Dulles Intl
Alaska Airlines
6 May
IAD17:00Washington, D.C. Dulles Intl
8h 24m
1 stop
LAS22:24Las Vegas Harry Reid Intl
8 May
LAS10:08Las Vegas Harry Reid Intl
11h 15m
1 stop
IAD00:23Washington, D.C. Dulles Intl
Alaska Airlines
22 Apr
IAD17:00Washington, D.C. Dulles Intl
8h 24m
1 stop
LAS22:24Las Vegas Harry Reid Intl
30 Apr
LAS06:38Las Vegas Harry Reid Intl
7h 44m
1 stop
IAD17:22Washington, D.C. Dulles Intl

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
30 Apr
IAD15:50Washington, D.C. Dulles Intl
5h 17m
LAS18:07Las Vegas Harry Reid Intl
6 May
LAS22:45Las Vegas Harry Reid Intl
4h 25m
IAD06:10Washington, D.C. Dulles Intl
United Airlines
30 Apr
IAD17:55Washington, D.C. Dulles Intl
5h 19m
LAS20:14Las Vegas Harry Reid Intl
2 May
LAS08:25Las Vegas Harry Reid Intl
4h 33m
IAD15:58Washington, D.C. Dulles Intl
United Airlines
1 May
IAD12:50Washington, D.C. Dulles Intl
5h 18m
LAS15:08Las Vegas Harry Reid Intl
3 May
LAS07:00Las Vegas Harry Reid Intl
4h 33m
IAD14:33Washington, 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 cheapest month to fly to Las Vegas?

The cheapest month to fly to Las Vegas from Washington, D.C. Dulles Intl Airport is in May. Flight prices, which tend to average around $672, 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 May, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $682.

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

On average, the least expensive day to fly to Las Vegas from Washington, D.C. Dulles Intl Airport is on a Monday. momondo users have found tickets for Monday departures for as low as $0. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Las Vegas is Sunday, with ticket prices averaging around $958.

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

In the morning is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Las Vegas when you can find flight prices for as low as $0. Flying to Las Vegas in the morning is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive, with an average ticket price of $771.

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 21 weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $778 when searching 21 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 $662 on momondo.

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

There are 1 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 April 2025, prices for Washington, D.C. Dulles Intl Airport to Las Vegas flights are approximately 11% 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

Best price found

$131

Fastest flight time

4h 50m

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 $131. The best return flight deal from Washington, D.C. Dulles Intl Airport to Las Vegas found on momondo in the last 72 hours is $260.
The fastest flight from Washington, D.C. Dulles Intl Airport to Las Vegas takes 4h 50m
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?

    The straight-line distance from Washington, D.C. Dulles Intl to Las Vegas Harry Reid Intl is 3310.3 km. Typically, this will take 4h 50m 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?


Travelling to a place near Las Vegas?

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Furnace Creek

Why use momondo?

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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