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Cheap flights from Washington, D.C. Dulles Intl Airport to Las Vegas from $123

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 19/7. 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

United Airlines Logo
17:55 - 19:59IAD-LAS
5h 04mdirect
United Airlines Logo
23:59 - 07:34LAS-IAD
4h 35mdirect
$236United Airlines
Find Deal
Tue, 12 Aug - Tue, 12 Aug
United Airlines Logo
12:35 - 14:35IAD-LAS
5h 00mdirect
United Airlines Logo
22:45 - 06:20LAS-IAD
4h 35mdirect
$244United Airlines
Find Deal
Mon, 1 Sep - Sat, 6 Sep
 Logo
07:30 - 09:29IAD-LAS
4h 59mdirect
 Logo
08:30 - 19:19LAS-IAD
7h 49m1 stop
Sun, 27 Jul - Tue, 29 Jul
Hawaiian Airlines Logo
17:25 - 22:59IAD-LAS
8h 34m1 stop
Hawaiian Airlines Logo
08:30 - 19:19LAS-IAD
7h 49m1 stop
$307Hawaiian Airlines
Find Deal
Mon, 11 Aug - Thu, 14 Aug
Alaska Airlines Logo
17:52 - 23:26IAD-LAS
8h 34m1 stop
Alaska Airlines Logo
17:14 - 16:47LAS-IAD
20h 33m1 stop
$309Alaska Airlines
Find Deal
Mon, 1 Sep - Wed, 3 Sep
Hawaiian Airlines Logo
17:51 - 23:31IAD-LAS
8h 40m1 stop
Hawaiian Airlines Logo
06:00 - 17:06LAS-IAD
8h 06m1 stop
$332Hawaiian Airlines
Find Deal
Mon, 10 Nov - Fri, 14 Nov
Alaska Airlines Logo
08:10 - 17:31IAD-LAS
12h 21m1 stop
Alaska Airlines Logo
07:00 - 18:59LAS-IAD
8h 59m1 stop
$344Alaska Airlines
Find Deal
Wed, 2 Jul - Wed, 16 Jul
Southwest Logo
16:50 - 20:30IAD-LAS
6h 40m1 stop
Southwest Logo
06:45 - 17:10LAS-IAD
7h 25m1 stop
$388Southwest
Find Deal
Fri, 31 Oct - Mon, 3 Nov
Southwest Logo
05:45 - 17:00IAD-LAS
14h 15m2 stops
Southwest Logo
10:15 - 21:25LAS-IAD
8h 10m1 stop
$405Southwest
Find Deal
Wed, 27 Aug - Sun, 31 Aug
 Logo
16:24 - 20:52IAD-LAS
7h 28m1 stop
 Logo
08:30 - 19:19LAS-IAD
7h 49m1 stop
Fri, 1 Aug - Fri, 8 Aug

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 July
IAD06:00Washington, D.C. Dulles Intl
7h 53m
1 stop
LAS10:53Las Vegas Harry Reid Intl
5 July
LAS06:45Las Vegas Harry Reid Intl
10h 05m
1 stop
IAD19:50Washington, D.C. Dulles Intl
Delta
4 July
IAD15:31Washington, D.C. Dulles Intl
8h 54m
1 stop
LAS21:25Las Vegas Harry Reid Intl
8 July
LAS22:50Las Vegas Harry Reid Intl
7h 09m
1 stop
IAD08:59Washington, D.C. Dulles Intl
Delta
1 July
IAD10:07Washington, D.C. Dulles Intl
9h 54m
1 stop
LAS17:01Las Vegas Harry Reid Intl
3 July
LAS00:50Las Vegas Harry Reid Intl
7h 32m
1 stop
IAD11:22Washington, D.C. Dulles Intl

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
1 Sept
IAD17:52Washington, D.C. Dulles Intl
8h 34m
1 stop
LAS23:26Las Vegas Harry Reid Intl
3 Sept
LAS17:14Las Vegas Harry Reid Intl
20h 33m
1 stop
IAD16:47Washington, D.C. Dulles Intl
Alaska Airlines
10 Nov
IAD17:51Washington, D.C. Dulles Intl
8h 40m
1 stop
LAS23:31Las Vegas Harry Reid Intl
13 Nov
LAS14:55Las Vegas Harry Reid Intl
23h 11m
1 stop
IAD17:06Washington, D.C. Dulles Intl
Alaska Airlines
2 July
IAD08:10Washington, D.C. Dulles Intl
12h 21m
1 stop
LAS17:31Las Vegas Harry Reid Intl
16 July
LAS07:00Las Vegas Harry Reid Intl
8h 59m
1 stop
IAD18:59Washington, 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 June. Flight prices, which tend to average around $487, 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 June, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $488.

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 11 weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $666 when searching 11 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 $593 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 June 2025, prices for Washington, D.C. Dulles Intl Airport to Las Vegas flights are approximately 53% 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

Best price found

$123

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 $123. The best return flight deal from Washington, D.C. Dulles Intl Airport to Las Vegas found on momondo in the last 72 hours is $236.
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?

    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 59m 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
Primm

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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