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Cheap flights from Washington, D.C. Reagan-National Airport to Las Vegas from $90

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. Reagan-National Airport to Las Vegas departing on 10/29. 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. Reagan-National Airport to Las Vegas

Cheap round-trip flights

American Airlines Logo
9:30 am - 11:24 amDCA-LAS
4h 54mnonstop
American Airlines Logo
12:25 pm - 8:15 pmLAS-DCA
4h 50mnonstop
$181American Airlines
Find Deal
lun., sep. 1 - jue., sep. 4
Hawaiian Airlines Logo
9:59 am - 4:34 pmDCA-LAS
9h 35m1 stop
Hawaiian Airlines Logo
10:33 am - 9:59 pmLAS-DCA
8h 26m1 stop
$189Hawaiian Airlines
Find Deal
lun., sep. 8 - jue., sep. 18
Alaska Airlines Logo
6:59 pm - 10:32 amDCA-LAS
18h 33m1 stop
Alaska Airlines Logo
7:00 am - 9:59 pmLAS-DCA
11h 59m1 stop
$201Alaska Airlines
Find Deal
lun., sep. 15 - jue., sep. 18
Alaska Airlines Logo
9:59 am - 4:34 pmDCA-LAS
9h 35m1 stop
Alaska Airlines Logo
10:33 am - 9:59 pmLAS-DCA
8h 26m1 stop
$215Alaska Airlines
Find Deal
mar., ago. 26 - jue., sep. 4
Southwest Logo
4:40 pm - 7:55 pmDCA-LAS
6h 15m1 stop
Southwest Logo
8:00 am - 3:35 pmLAS-DCA
4h 35mnonstop
$220Southwest
Find Deal
lun., sep. 1 - sáb., sep. 6
Southwest Logo
6:05 am - 8:25 amDCA-LAS
5h 20mnonstop
Southwest Logo
12:40 pm - 11:55 pmLAS-DCA
8h 15m1 stop
$224Southwest
Find Deal
sáb., nov. 8 - mié., nov. 12
Frontier Logo
6:00 pm - 11:33 pmDCA-LAS
8h 33m1 stop
Frontier Logo
7:30 am - 4:59 pmLAS-DCA
6h 29m1 stop
$233Frontier
Find Deal
sáb., sep. 13 - sáb., sep. 20
Frontier Logo
7:00 am - 11:08 amDCA-LAS
7h 08m1 stop
Frontier Logo
7:30 am - 4:59 pmLAS-DCA
6h 29m1 stop
$235Frontier
Find Deal
mié., sep. 17 - sáb., sep. 20
Delta Logo
8:40 pm - 12:30 amDCA-LAS
6h 50m1 stop
Delta Logo
11:30 pm - 10:05 amLAS-DCA
7h 35m1 stop
$257Delta
Find Deal
vie., sep. 26 - jue., oct. 2
Delta Logo
12:29 pm - 5:47 pmDCA-LAS
8h 18m1 stop
Delta Logo
9:50 am - 6:59 pmLAS-DCA
6h 09m1 stop
$262Delta
Find Deal
vie., ago. 22 - mié., ago. 27

American Airlines flights from Washington, D.C. Reagan-National Airport to Las Vegas

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Las Vegas flight tickets
American Airlines
Sep 1
DCA9:30 amWashington, D.C. Reagan-National
4h 54m
LAS11:24 amLas Vegas Harry Reid Intl
Sep 4
LAS12:25 pmLas Vegas Harry Reid Intl
4h 50m
DCA8:15 pmWashington, D.C. Reagan-National
$181
Find similar
American Airlines
Aug 26
DCA9:30 amWashington, D.C. Reagan-National
4h 54m
LAS11:24 amLas Vegas Harry Reid Intl
Aug 30
LAS11:44 amLas Vegas Harry Reid Intl
4h 46m
DCA7:30 pmWashington, D.C. Reagan-National
$195
Find similar
American Airlines
Aug 26
DCA9:30 amWashington, D.C. Reagan-National
4h 54m
LAS11:24 amLas Vegas Harry Reid Intl
Aug 30
LAS11:44 amLas Vegas Harry Reid Intl
4h 46m
DCA7:30 pmWashington, D.C. Reagan-National
$196
Find similar

Frontier flights from Washington, D.C. Reagan-National Airport to Las Vegas

Our best Frontier deals on Washington, D.C. Reagan-National Airport to Las Vegas flight tickets
Frontier
Sep 13
DCA6:00 pmWashington, D.C. Reagan-National
8h 33m
1 stop
LAS11:33 pmLas Vegas Harry Reid Intl
Sep 20
LAS7:30 amLas Vegas Harry Reid Intl
6h 29m
1 stop
DCA4:59 pmWashington, D.C. Reagan-National
$233
Find similar
Frontier
Sep 17
DCA7:00 amWashington, D.C. Reagan-National
7h 08m
1 stop
LAS11:08 amLas Vegas Harry Reid Intl
Sep 20
LAS7:30 amLas Vegas Harry Reid Intl
6h 29m
1 stop
DCA4:59 pmWashington, D.C. Reagan-National
$235
Find similar
Frontier
Aug 26
DCA7:00 amWashington, D.C. Reagan-National
9h 07m
1 stop
LAS1:07 pmLas Vegas Harry Reid Intl
Aug 29
LAS12:59 amLas Vegas Harry Reid Intl
13h 00m
1 stop
DCA4:59 pmWashington, D.C. Reagan-National
$237
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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 julio 31, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

lun. 9/1

9:30 am-11:24 am

Nonstop4h 54m

Las Vegas Harry Reid Intl

jue. 9/4

12:25 pm-8:15 pm

Nonstop4h 50m

$181

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

lun. 9/8

9:59 am-4:34 pm

1 stop9h 35m

Las Vegas Harry Reid Intl

jue. 9/18

10:33 am-9:59 pm

1 stop8h 26m

$189

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

lun. 9/15

6:59 pm-10:32 am

1 stop18h 33m

Las Vegas Harry Reid Intl

jue. 9/18

7:00 am-9:59 pm

1 stop11h 59m

$201

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

mar. 8/26

9:59 am-4:34 pm

1 stop9h 35m

Las Vegas Harry Reid Intl

jue. 9/4

10:33 am-9:59 pm

1 stop8h 26m

$215

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

lun. 9/1

4:40 pm-7:55 pm

1 stop6h 15m

Las Vegas Harry Reid Intl

sáb. 9/6

8:00 am-3:35 pm

Nonstop4h 35m

$220

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

sáb. 11/8

6:05 am-8:25 am

Nonstop5h 20m

Las Vegas Harry Reid Intl

mié. 11/12

12:40 pm-11:55 pm

1 stop8h 15m

$224

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

sáb. 9/13

6:00 pm-11:33 pm

1 stop8h 33m

Las Vegas Harry Reid Intl

sáb. 9/20

7:30 am-4:59 pm

1 stop6h 29m

$233

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

mié. 9/17

7:00 am-11:08 am

1 stop7h 08m

Las Vegas Harry Reid Intl

sáb. 9/20

7:30 am-4:59 pm

1 stop6h 29m

$235

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

vie. 9/26

8:40 pm-12:30 am

1 stop6h 50m

Las Vegas Harry Reid Intl

jue. 10/2

11:30 pm-10:05 am

1 stop7h 35m

$257

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

vie. 8/22

12:29 pm-5:47 pm

1 stop8h 18m

Las Vegas Harry Reid Intl

mié. 8/27

9:50 am-6:59 pm

1 stop6h 09m

$262

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 Washington, D.C. Reagan-National 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 month of November is, on average, the cheapest month to fly to Las Vegas from Washington, D.C. Reagan-National Airport, with most prices found around $360. The month of February is another great option to travel to Las Vegas, with average flight prices from Washington, D.C. Reagan-National Airport averaging around $373.

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 $372. Flights from Washington, D.C. Reagan-National Airport to Las Vegas on a Thursday will generally be more expensive and average around $459. 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 $391. Flights to Las Vegas are more costly at noon, with an average ticket price of $491. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Washington, D.C. Reagan-National to Las Vegas Harry Reid Intl flight route?

Fly from Washington, D.C. Reagan-National to Las Vegas Harry Reid Intl for the best Washington, D.C. Reagan-National - 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. Reagan-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $411 when searching 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. Reagan-National Airport for as low as $347 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. Reagan-National 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.

Can stopping save me money on Washington, D.C. Reagan-National Airport to Las Vegas flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Reagan-National Airport to Las Vegas.

How have Washington, D.C. Reagan-National Airport to Las Vegas flight prices changed over time?

As of July 2025, prices for Washington, D.C. Reagan-National Airport to Las Vegas flights are approximately 15% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Reagan-National Airport to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National 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. Reagan-National Airport to Las Vegas (DCA to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Las Vegas

Best Price Found

$90

Fastest flight time

4h 54m

Direct flights

Every day

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from Washington, D.C. Reagan-National Airport in the past 72 hours is $90. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Las Vegas found on momondo in the last 72 hours is $181.
The fastest flight from Washington, D.C. Reagan-National Airport to Las Vegas takes 4h 54m
Direct flights go from Washington, D.C. Reagan-National Airport to Las Vegas every day.
There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)
Search flight deals

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

    A flight from Washington, D.C. Reagan-National to Las Vegas Harry Reid Intl will travel around 2079.7 mi. A reasonable flight in good conditions will take 4h 54m.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Las Vegas Harry Reid Intl Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Las Vegas Harry Reid Intl Airport were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Las Vegas Harry Reid Intl Airport?

  • How old do you have to be to fly from Washington, D.C. Reagan-National 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. Reagan-National 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 required for your trip to Las Vegas Harry Reid Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Las Vegas Harry Reid Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Washington, D.C. Reagan-National Airport to Las Vegas?

  • What is the most popular airline from Washington, D.C. Reagan-National Airport to Las Vegas?

Best airlines flying from Washington, D.C. Reagan-National Airport to Las Vegas

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $117Free CancellationRating
6.3
8,049 reviews
Search Spirit Airlines flights
FrontierPriceFrom $143Free CancellationRating
5.9
3,239 reviews
Search Frontier flights
JetBluePriceFrom $243Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
SouthwestPriceFrom $246Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
United AirlinesPriceFrom $254Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
DeltaPriceFrom $256Free CancellationRating
8.0
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $286Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • Southwest Flights From Washington, D.C. Reagan-National Airport to Las Vegas

    Southwest is one of the most popular airlines flying from Washington, D.C. Reagan-National Airport to Las Vegas, operating 10 flights/week on average for this route. A good Southwest flight deal for Washington, D.C. Reagan-National Airport to Las Vegas starts from $246 round-trip, up to an average price of $461. Our users have rated Southwest at 8.0/10.

  • United Airlines Flights From Washington, D.C. Reagan-National Airport to Las Vegas

    United Airlines (7.4/10 from 8,900 reviews) operates around 1 flight from Washington, D.C. Reagan-National Airport to Las Vegas in any given week. The average United Airlines airfare for this route is around $459, with deals from around $254 rare but found on momondo. Referenced prices are for round-trip Washington, D.C. Reagan-National Airport to Las Vegas flight searches in the last 72 hours.

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
Paradise
Kingman
Pahrump
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?

It is quick and easy to find Washington, D.C. 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 Washington, D.C. to Las Vegas with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Las Vegas flights to just show those with 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?

Of course. momondo tracks the price of Washington, D.C. 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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