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Cheap flights from District of Columbia to Las Vegas from $134

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Las Vegas departing on 7/1. 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 District of Columbia to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:50 am - 11:45 am
IAD
-
LAS
4h 55mnonstop
Frontier Logo
12:46 am - 8:20 am
LAS
-
IAD
4h 34mnonstop
$271Frontier
Tue, Jul 7 - Fri, Jul 10
Frontier Logo
9:50 am - 11:45 am
IAD
-
LAS
4h 55mnonstop
Frontier Logo
12:46 am - 8:20 am
LAS
-
IAD
4h 34mnonstop
$272Frontier
Mon, Aug 3 - Mon, Aug 3
Frontier Logo
7:00 am - 1:48 pm
DCA
-
LAS
9h 48m
1 stop
Frontier Logo
12:59 am - 12:57 pm
LAS
-
DCA
8h 58m
1 stop
$272Frontier
Sat, Aug 22 - Wed, Aug 26
Southwest Logo
6:10 am - 12:05 pm
DCA
-
LAS
8h 55m
1 stop
Southwest Logo
1:10 pm - 8:55 pm
LAS
-
DCA
4h 45mnonstop
$273Southwest
Wed, Aug 26 - Sat, Aug 29
Frontier Logo
9:55 am - 11:53 am
IAD
-
LAS
4h 58mnonstop
Frontier Logo
12:46 am - 8:20 am
LAS
-
IAD
4h 34mnonstop
$273Frontier
Wed, Jul 1 - Tue, Jul 7
Frontier Logo
9:30 am - 11:25 am
IAD
-
LAS
4h 55mnonstop
Frontier Logo
12:46 am - 8:20 am
LAS
-
IAD
4h 34mnonstop
$274Frontier
Sat, Jul 25 - Tue, Jul 28
Frontier Logo
9:50 am - 11:45 am
IAD
-
LAS
4h 55mnonstop
Frontier Logo
12:46 am - 8:20 am
LAS
-
IAD
4h 34mnonstop
$275Frontier
Tue, Jul 21 - Mon, Jul 27
Southwest Logo
7:00 am - 9:10 am
DCA
-
LAS
5h 10mnonstop
Southwest Logo
9:20 am - 5:00 pm
LAS
-
DCA
4h 40mnonstop
$277Southwest
Sat, Aug 22 - Tue, Aug 25
Southwest Logo
4:50 pm - 9:40 pm
DCA
-
LAS
7h 50m
2 stops
Southwest Logo
1:10 pm - 8:55 pm
LAS
-
DCA
4h 45mnonstop
$279Southwest
Wed, Aug 26 - Sat, Aug 29
Delta Logo
9:39 am - 1:38 pm
DCA
-
LAS
6h 59m
1 stop
Delta Logo
11:57 am - 9:45 pm
LAS
-
DCA
6h 48m
1 stop
$283Delta
Sat, Aug 22 - Wed, Aug 26

Delta flights from District of Columbia to Las Vegas

Our best Delta deals on District of Columbia to Las Vegas flight tickets
Delta
Aug 22
DCA9:39 amWashington, D.C. Reagan-National
6h 59m
1 stop
LAS1:38 pmLas Vegas Harry Reid Intl
Aug 26
LAS11:57 amLas Vegas Harry Reid Intl
6h 48m
1 stop
DCA9:45 pmWashington, D.C. Reagan-National
$283
Delta
Aug 17
DCA1:42 pmWashington, D.C. Reagan-National
7h 10m
1 stop
LAS5:52 pmLas Vegas Harry Reid Intl
Aug 19
LAS11:30 pmLas Vegas Harry Reid Intl
7h 39m
1 stop
DCA10:09 amWashington, D.C. Reagan-National
$302
Delta
Aug 12
DCA9:39 amWashington, D.C. Reagan-National
6h 59m
1 stop
LAS1:38 pmLas Vegas Harry Reid Intl
Aug 17
LAS10:00 pmLas Vegas Harry Reid Intl
11h 42m
1 stop
DCA12:42 pmWashington, D.C. Reagan-National
$311

Frontier flights from District of Columbia to Las Vegas

Our best Frontier deals on District of Columbia to Las Vegas flight tickets
Frontier
Jul 7
IAD9:50 amWashington, D.C. Dulles Intl
4h 55m
LAS11:45 amLas Vegas Harry Reid Intl
Jul 10
LAS12:46 amLas Vegas Harry Reid Intl
4h 34m
IAD8:20 amWashington, D.C. Dulles Intl
$271
Frontier
Aug 3
IAD9:50 amWashington, D.C. Dulles Intl
4h 55m
LAS11:45 amLas Vegas Harry Reid Intl
Aug 3
LAS12:46 amLas Vegas Harry Reid Intl
4h 34m
IAD8:20 amWashington, D.C. Dulles Intl
$272
Frontier
Jul 14
IAD9:50 amWashington, D.C. Dulles Intl
4h 55m
LAS11:45 amLas Vegas Harry Reid Intl
Jul 15
LAS9:48 pmLas Vegas Harry Reid Intl
17h 13m
2 stops
IAD6:01 pmWashington, D.C. Dulles Intl
$273

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 3, 2026.
Use the filters below to find and compare flights from District of Columbia to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 7/7

9:50 am-11:45 am

Nonstop4h 55m

Las Vegas Harry Reid Intl

Fri 7/10

12:46 am-8:20 am

Nonstop4h 34m

$271

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Mon 8/3

9:50 am-11:45 am

Nonstop4h 55m

Las Vegas Harry Reid Intl

Mon 8/3

12:46 am-8:20 am

Nonstop4h 34m

$272

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 8/22

7:00 am-1:48 pm

1 stop9h 48m

Las Vegas Harry Reid Intl

Wed 8/26

12:59 am-12:57 pm

1 stop8h 58m

$272

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Wed 8/26

6:10 am-12:05 pm

1 stop8h 55m

Las Vegas Harry Reid Intl

Sat 8/29

1:10 pm-8:55 pm

Nonstop4h 45m

$273

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 7/1

9:55 am-11:53 am

Nonstop4h 58m

Las Vegas Harry Reid Intl

Tue 7/7

12:46 am-8:20 am

Nonstop4h 34m

$273

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 7/25

9:30 am-11:25 am

Nonstop4h 55m

Las Vegas Harry Reid Intl

Tue 7/28

12:46 am-8:20 am

Nonstop4h 34m

$274

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 7/21

9:50 am-11:45 am

Nonstop4h 55m

Las Vegas Harry Reid Intl

Mon 7/27

12:46 am-8:20 am

Nonstop4h 34m

$275

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 8/22

7:00 am-9:10 am

Nonstop5h 10m

Las Vegas Harry Reid Intl

Tue 8/25

9:20 am-5:00 pm

Nonstop4h 40m

$277

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Wed 8/26

4:50 pm-9:40 pm

2 stops7h 50m

Las Vegas Harry Reid Intl

Sat 8/29

1:10 pm-8:55 pm

Nonstop4h 45m

$279

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 8/22

9:39 am-1:38 pm

1 stop6h 59m

Las Vegas Harry Reid Intl

Wed 8/26

11:57 am-9:45 pm

1 stop6h 48m

$283

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Las Vegas from

How to get the cheapest flight ticket from District of Columbia 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 month of August is, on average, the cheapest month to fly to Las Vegas from District of Columbia, with most prices found around $219. The month of July is another great option to travel to Las Vegas, with average flight prices from District of Columbia averaging around $264.

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

Our data shows that Saturday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $411. Flights from District of Columbia to Las Vegas on a Thursday will generally be more expensive and average around $500. 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 in the morning when flights can be purchased for as low as $434. Flights to Las Vegas are more costly at noon, with an average ticket price of $631. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest District of Columbia to Las Vegas Harry Reid Intl flight route?

Fly from Washington, D.C. Dulles Intl to Las Vegas Harry Reid Intl for the best District of Columbia - Las Vegas Harry Reid Intl flight prices

How far in advance should I book a flight from District of Columbia to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $455 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from District of Columbia for as low as $360 on momondo.

What cabin class options are available on District of Columbia to Las Vegas flights?

There are 4 cabin classes available to choose from on District of Columbia to Las Vegas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on District of Columbia to Las Vegas flights?

No. A direct flight is the cheapest option for a flight between District of Columbia to Las Vegas.

Cheap District of Columbia to Las Vegas flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Las Vegas

Best Price Found

$182

Fastest flight time

4h 55m

Direct flights

Every day

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from District of Columbia in the past 72 hours is $182. The best round-trip flight deal from District of Columbia to Las Vegas found on momondo in the last 72 hours is $336.
The fastest flight from District of Columbia to Las Vegas takes 4h 55m
Direct flights go from District of Columbia to Las Vegas every day.
There is 1 airport in Las Vegas. From District of Columbia there are direct flights to Las Vegas Harry Reid Intl (LAS).
Search flight deals

Frequently asked questions about flying from District of Columbia to Las Vegas

  • When did momondo last update prices for flights from District of Columbia to Las Vegas Harry Reid Intl Airport?

    Prices for flights from District of Columbia to Las Vegas Harry Reid Intl Airport are updated daily.

  • How many operators does momondo search for flights from District of Columbia to Las Vegas Harry Reid Intl Airport?

  • How old do you have to be to fly from District of Columbia to Las Vegas Harry Reid Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia 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 District of Columbia to Las Vegas?

Best airlines flying from District of Columbia to Las Vegas

Compare and see reviews for airlines that fly from District of Columbia to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $122Free CancellationRating
5.6
2,921 reviews
Search Frontier flights
Sun Country AirPriceFrom $167Free CancellationRating
6.8
333 reviews
Search Sun Country Air flights
DeltaPriceFrom $168Free CancellationRating
7.9
8,398 reviews
Search Delta flights
American AirlinesPriceFrom $186Free CancellationRating
7.1
11,643 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $188Free CancellationRating
7.9
12,460 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $240Free CancellationRating
8.0
4,256 reviews
Search Southwest flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
9,774 reviews
Search United Airlines flights
JetBluePriceFrom $265Free CancellationRating
7.1
2,981 reviews
Search JetBlue flights

Traveling to a place near Las Vegas?

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

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Las Vegas?

It is quick and easy to find District of Columbia to Las Vegas flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Las Vegas that suits you.

Can I find flights from District of Columbia to Las Vegas with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Las Vegas from District of Columbia with this policy.

How can momondo help me find flights from District of Columbia to Las Vegas?

Once you have performed a search for District of Columbia to Las Vegas flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from District of Columbia to Las Vegas right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of District of Columbia to Las Vegas flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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