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Cheap flights from Washington, D.C. Dulles Intl Airport to Las Vegas from $169

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 30/8. 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

These are some of the best return 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.
Frontier Logo
07:40 - 09:40IAD-LAS
5h 00mdirect
Frontier Logo
23:02 - 06:30LAS-IAD
4h 28mdirect
$196Frontier
Find Deal
Mon, 9 Jun - Fri, 13 Jun
 Logo
12:40 - 17:24IAD-LAS
7h 44m1 stop
 Logo
23:02 - 06:30LAS-IAD
4h 28mdirect
Mon, 9 Jun - Fri, 13 Jun
United Airlines Logo
09:00 - 10:50IAD-LAS
4h 50mdirect
United Airlines Logo
07:00 - 14:37LAS-IAD
4h 37mdirect
$340United Airlines
Find Deal
Wed, 4 Jun - Sat, 7 Jun
United Airlines Logo
19:40 - 21:44IAD-LAS
5h 04mdirect
United Airlines Logo
13:15 - 20:40LAS-IAD
4h 25mdirect
$349United Airlines
Find Deal
Thu, 29 May - Tue, 3 Jun
United Airlines Logo
08:40 - 10:30IAD-LAS
4h 50mdirect
United Airlines Logo
23:15 - 06:50LAS-IAD
4h 35mdirect
$365United Airlines
Find Deal
Fri, 30 May - Tue, 3 Jun
Alaska Airlines Logo
19:25 - 10:08IAD-LAS
17h 43m1 stop
Alaska Airlines Logo
15:30 - 05:55LAS-IAD
11h 25m1 stop
$369Alaska Airlines
Find Deal
Sat, 7 Jun - Tue, 10 Jun
Alaska Airlines Logo
17:14 - 09:30IAD-LAS
19h 16m1 stop
Alaska Airlines Logo
07:10 - 18:25LAS-IAD
8h 15m1 stop
$377Alaska Airlines
Find Deal
Sat, 24 May - Wed, 28 May
Alaska Airlines Logo
17:14 - 09:30IAD-LAS
19h 16m1 stop
Alaska Airlines Logo
06:00 - 16:14LAS-IAD
7h 14m1 stop
$383Alaska Airlines
Find Deal
Sat, 24 May - Sat, 31 May
Sun Country Air Logo
12:40 - 09:20IAD-LAS
23h 40m1 stop
Sun Country Air Logo
23:59 - 12:25LAS-IAD
9h 26m1 stop
$399Sun Country Air
Find Deal
Sun, 8 Jun - Thu, 12 Jun
Sun Country Air Logo
20:30 - 14:42IAD-LAS
21h 12m1 stop
Sun Country Air Logo
10:56 - 11:43LAS-IAD
21h 47m1 stop
$477Sun Country Air
Find Deal
Fri, 25 Jul - Wed, 30 Jul

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
7 June
IAD19:25Washington, D.C. Dulles Intl
17h 43m
1 stop
LAS10:08Las Vegas Harry Reid Intl
10 June
LAS15:30Las Vegas Harry Reid Intl
11h 25m
1 stop
IAD05:55Washington, D.C. Dulles Intl
Alaska Airlines
24 May
IAD17:14Washington, D.C. Dulles Intl
19h 16m
1 stop
LAS09:30Las Vegas Harry Reid Intl
28 May
LAS07:10Las Vegas Harry Reid Intl
8h 15m
1 stop
IAD18:25Washington, D.C. Dulles Intl
Alaska Airlines
24 May
IAD17:14Washington, D.C. Dulles Intl
19h 16m
1 stop
LAS09:30Las Vegas Harry Reid Intl
31 May
LAS06:00Las Vegas Harry Reid Intl
7h 14m
1 stop
IAD16:14Washington, D.C. Dulles Intl

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

Our best Hawaiian Airlines deals on Washington, D.C. Dulles Intl Airport to Las Vegas flight tickets
Hawaiian Airlines
9 June
IAD19:25Washington, D.C. Dulles Intl
17h 43m
1 stop
LAS10:08Las Vegas Harry Reid Intl
13 June
LAS06:00Las Vegas Harry Reid Intl
7h 25m
1 stop
IAD16:25Washington, D.C. Dulles Intl
Hawaiian Airlines
1 June
IAD06:30Washington, D.C. Dulles Intl
9h 27m
1 stop
LAS12:57Las Vegas Harry Reid Intl
4 June
LAS11:26Las Vegas Harry Reid Intl
9h 33m
1 stop
IAD23:59Washington, D.C. Dulles Intl
Hawaiian Airlines
31 Aug
IAD17:52Washington, D.C. Dulles Intl
8h 34m
1 stop
LAS23:26Las Vegas Harry Reid Intl
5 Sept
LAS17:46Las Vegas Harry Reid Intl
10h 46m
1 stop
IAD07:32Washington, 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 cheapest month to fly to Las Vegas from Washington, D.C. Dulles Intl Airport is in May. Flight prices, which tend to average around $602, 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 $645.

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 Saturday. momondo users have found tickets for Saturday departures for as low as $727. 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 $906.

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 18 weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $725 when searching 18 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 $612 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 May 2025, 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

Best price found

$169

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 $169. The best return flight deal from Washington, D.C. Dulles Intl Airport to Las Vegas found on momondo in the last 72 hours is $196.
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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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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