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Cheap flights from Washington, D.C. Reagan-National Airport to Las Vegas from $93

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 10/15. 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 - 11:35 amDCA-LAS
5h 05mnonstop
American Airlines Logo
12:55 pm - 8:32 pmLAS-DCA
4h 37mnonstop
$163American Airlines
Find Deal
Tue, Oct 28 - Sat, Nov 1
Frontier Logo
8:00 am - 12:07 pmDCA-LAS
7h 07m1 stop
Frontier Logo
3:20 pm - 12:04 pmLAS-DCA
17h 44m1 stop
$167Frontier
Find Deal
Sun, Nov 2 - Thu, Nov 6
Frontier Logo
7:00 am - 4:09 pmDCA-LAS
12h 09m1 stop
Frontier Logo
12:59 am - 12:04 pmLAS-DCA
8h 05m1 stop
$168Frontier
Find Deal
Sun, Oct 5 - Fri, Oct 10
Frontier Logo
1:00 pm - 8:51 pmDCA-LAS
10h 51m1 stop
Frontier Logo
12:59 am - 12:10 pmLAS-DCA
8h 11m1 stop
$169Frontier
Find Deal
Sat, Oct 4 - Sat, Oct 4
Southwest Logo
2:45 pm - 9:10 pmDCA-LAS
9h 25m1 stop
Southwest Logo
8:55 am - 4:25 pmLAS-DCA
4h 30mnonstop
$173Southwest
Find Deal
Sat, Oct 25 - Tue, Oct 28
Frontier Logo
1:00 pm - 8:51 pmDCA-LAS
10h 51m1 stop
Frontier Logo
9:14 am - 9:59 pmLAS-DCA
9h 45m1 stop
$177Frontier
Find Deal
Sat, Oct 4 - Tue, Oct 7
Southwest Logo
1:30 pm - 7:15 pmDCA-LAS
8h 45m2 stops
Southwest Logo
5:25 am - 3:00 pmLAS-DCA
6h 35m1 stop
$204Southwest
Find Deal
Tue, Oct 7 - Thu, Oct 16
American Airlines Logo
7:00 am - 9:29 amDCA-LAS
5h 29mnonstop
American Airlines Logo
1:31 pm - 8:55 pmLAS-DCA
4h 24mnonstop
$207American Airlines
Find Deal
Sun, Nov 9 - Wed, Nov 12
Alaska Airlines Logo
8:59 am - 3:22 pmDCA-LAS
9h 23m1 stop
Alaska Airlines Logo
10:25 am - 9:02 pmLAS-DCA
7h 37m1 stop
$216Alaska Airlines
Find Deal
Sun, Dec 7 - Fri, Dec 12
Alaska Airlines Logo
5:00 pm - 11:55 pmDCA-LAS
9h 55m1 stop
Alaska Airlines Logo
7:00 am - 5:59 pmLAS-DCA
7h 59m1 stop
$236Alaska Airlines
Find Deal
Sat, Dec 6 - Thu, Dec 11

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

Our best Alaska Airlines deals on Washington, D.C. Reagan-National Airport to Las Vegas flight tickets
Alaska Airlines
Dec 7
DCA8:59 amWashington, D.C. Reagan-National
9h 23m
1 stop
LAS3:22 pmLas Vegas Harry Reid Intl
Dec 12
LAS10:25 amLas Vegas Harry Reid Intl
7h 37m
1 stop
DCA9:02 pmWashington, D.C. Reagan-National
$216
Find similar
Alaska Airlines
Dec 6
DCA5:00 pmWashington, D.C. Reagan-National
9h 55m
1 stop
LAS11:55 pmLas Vegas Harry Reid Intl
Dec 11
LAS7:00 amLas Vegas Harry Reid Intl
7h 59m
1 stop
DCA5:59 pmWashington, D.C. Reagan-National
$236
Find similar

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

Our best Southwest deals on Washington, D.C. Reagan-National Airport to Las Vegas flight tickets
Southwest
Oct 25
DCA2:45 pmWashington, D.C. Reagan-National
9h 25m
1 stop
LAS9:10 pmLas Vegas Harry Reid Intl
Oct 28
LAS8:55 amLas Vegas Harry Reid Intl
4h 30m
DCA4:25 pmWashington, D.C. Reagan-National
$173
Find similar
Southwest
Oct 7
DCA1:30 pmWashington, D.C. Reagan-National
8h 45m
2 stops
LAS7:15 pmLas Vegas Harry Reid Intl
Oct 16
LAS5:25 amLas Vegas Harry Reid Intl
6h 35m
1 stop
DCA3:00 pmWashington, D.C. Reagan-National
$204
Find similar
Southwest
Oct 25
DCA2:45 pmWashington, D.C. Reagan-National
6h 40m
1 stop
LAS6:25 pmLas Vegas Harry Reid Intl
Oct 31
LAS12:00 pmLas Vegas Harry Reid Intl
4h 30m
DCA7:30 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 September 15, 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

Tue 10/28

9:30 am-11:35 am

Nonstop5h 05m

Las Vegas Harry Reid Intl

Sat 11/1

12:55 pm-8:32 pm

Nonstop4h 37m

$163

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sun 11/2

8:00 am-12:07 pm

1 stop7h 07m

Las Vegas Harry Reid Intl

Thu 11/6

3:20 pm-12:04 pm

1 stop17h 44m

$167

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sun 10/5

7:00 am-4:09 pm

1 stop12h 09m

Las Vegas Harry Reid Intl

Fri 10/10

12:59 am-12:04 pm

1 stop8h 05m

$168

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 10/4

1:00 pm-8:51 pm

1 stop10h 51m

Las Vegas Harry Reid Intl

Sat 10/4

12:59 am-12:10 pm

1 stop8h 11m

$169

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 10/25

2:45 pm-9:10 pm

1 stop9h 25m

Las Vegas Harry Reid Intl

Tue 10/28

8:55 am-4:25 pm

Nonstop4h 30m

$173

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 10/4

1:00 pm-8:51 pm

1 stop10h 51m

Las Vegas Harry Reid Intl

Tue 10/7

9:14 am-9:59 pm

1 stop9h 45m

$177

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 10/7

1:30 pm-7:15 pm

2 stops8h 45m

Las Vegas Harry Reid Intl

Thu 10/16

5:25 am-3:00 pm

1 stop6h 35m

$204

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sun 11/9

7:00 am-9:29 am

Nonstop5h 29m

Las Vegas Harry Reid Intl

Wed 11/12

1:31 pm-8:55 pm

Nonstop4h 24m

$207

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sun 12/7

8:59 am-3:22 pm

1 stop9h 23m

Las Vegas Harry Reid Intl

Fri 12/12

10:25 am-9:02 pm

1 stop7h 37m

$216

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 12/6

5:00 pm-11:55 pm

1 stop9h 55m

Las Vegas Harry Reid Intl

Thu 12/11

7:00 am-5:59 pm

1 stop7h 59m

$236

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 August is, on average, the cheapest month to fly to Las Vegas from Washington, D.C. Reagan-National Airport, with most prices found around $345. The month of November is another great option to travel to Las Vegas, with average flight prices from Washington, D.C. Reagan-National Airport averaging around $355.

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 $356. Flights from Washington, D.C. Reagan-National Airport to Las Vegas on a Thursday will generally be more expensive and average around $442. 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 $379. Flights to Las Vegas are more costly at noon, with an average ticket price of $579. 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 $409 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 $319 on momondo.

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

There are 3 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.

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

As of September 2025, prices for Washington, D.C. Reagan-National Airport to Las Vegas flights are approximately 24% more expensive 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

$146

Fastest flight time

5h 00m

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 $146. 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 $324.
The fastest flight from Washington, D.C. Reagan-National Airport to Las Vegas takes 5h 00m
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 5h 05m.

  • 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 $126Free CancellationRating
6.3
8,015 reviews
Search Spirit Airlines flights
FrontierPriceFrom $138Free CancellationRating
5.8
3,172 reviews
Search Frontier flights
SouthwestPriceFrom $240Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
JetBluePriceFrom $253Free CancellationRating
7.2
2,912 reviews
Search JetBlue flights
United AirlinesPriceFrom $254Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
7,954 reviews
Search Delta flights
American AirlinesPriceFrom $273Free 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 19 flights/week on average for this route. A good Southwest flight deal for Washington, D.C. Reagan-National Airport to Las Vegas starts from $240 round-trip, up to an average price of $456. Our users have rated Southwest at 8.0/10.

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

    American Airlines (7.2/10 from 10,000 reviews) operates around 7 flights from Washington, D.C. Reagan-National Airport to Las Vegas in any given week. The average American Airlines airfare for this route is around $475, with deals from around $273 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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