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$134+ Cheap flights from Reagan-National (DCA) to Las Vegas (LAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LAS
Jul 22 — Jul 291
Wed 7/22
Wed 7/29
1 adult, Economy
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Find cheap flights from Reagan-National to Las Vegas with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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3. Compare prices and book

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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Las Vegas Harry Reid Intl are usually found in August or November, booked 90 days in advance, depart on a Saturday or Tuesday and return on a Wednesday

Cheap flight deals from Reagan-National to Las Vegas

Cheapest flights from Reagan-National to Las Vegas
Explore the most affordable flight options available from Reagan-National to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 22, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 pm
DCA
-
LAS
1 stop8h 31m
Frontier
Fri 10/1612:59 am
LAS
-
DCA
1 stop8h 51m
Frontier
Deal found 6/22$245
This Frontier deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 pm
DCA
-
LAS
1 stop8h 31m
Frontier
Tue 9/2212:59 am
LAS
-
DCA
1 stop8h 50m
Frontier
Deal found 6/22$246
This Expedia deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:00 pm
DCA
-
LAS
1 stop8h 29m
Multiple Airlines
Thu 7/3010:25 am
LAS
-
DCA
1 stop9h 34m
Multiple Airlines
Deal found 6/22$249
This Super.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:00 pm
DCA
-
LAS
1 stop8h 29m
Frontier
Tue 8/412:59 am
LAS
-
DCA
1 stop8h 52m
Frontier
Deal found 6/22$251
This Frontier deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:00 pm
DCA
-
LAS
1 stop8h 29m
Frontier
Wed 7/226:00 am
LAS
-
DCA
1 stop12h 59m
Frontier
Deal found 6/18$252
This Kiwi.com deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:00 am
DCA
-
LAS
1 stop29h 30m
Frontier
Thu 9/176:30 am
LAS
-
DCA
1 stop7h 26m
Frontier
Deal found 6/20$253
This CheapOair deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:00 pm
DCA
-
LAS
1 stop8h 29m
Multiple Airlines
Tue 7/2810:25 am
LAS
-
DCA
1 stop9h 34m
Multiple Airlines
Deal found 6/21$254
This Super.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:00 am
DCA
-
LAS
1 stop9h 47m
Frontier
Sun 8/1612:59 am
LAS
-
DCA
1 stop8h 52m
Frontier
Deal found 6/18$255
This Frontier deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:00 pm
DCA
-
LAS
1 stop8h 29m
Frontier
Tue 7/286:00 am
LAS
-
DCA
1 stop12h 59m
Frontier
Deal found 6/21$256
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:30 pm
DCA
-
LAS
1 stop7h 35m
Delta
Tue 8/1811:30 pm
LAS
-
DCA
1 stop7h 39m
Delta
Deal found 6/19$257
This Frontier deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:00 am
DCA
-
LAS
1 stop9h 47m
Frontier
Sat 7/256:00 am
LAS
-
DCA
1 stop12h 59m
Frontier
Deal found 6/21$258
This Frontier deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:00 am
DCA
-
LAS
1 stop13h 29m
Frontier
Mon 8/246:00 am
LAS
-
DCA
1 stop7h 59m
Frontier
Deal found 6/18$259

Find flight deals from Reagan-National to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$245
(Kiwi.com)

One-way from

$134
(Expedia)

Popular in

June

Cheapest in

August

Average price

$554

Good round-trip deal

$472 or less

Good one-way deal

$209 or less
Provider with most accurate pricing for Washington, D.C. Reagan-National-Las Vegas Harry Reid Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Las Vegas Harry Reid Intl flights.
Search Deals
From Washington, D.C. Reagan-National to Las Vegas Harry Reid Intl
Search Deals
One-way flight from Washington, D.C. Reagan-National to Las Vegas Harry Reid Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Las Vegas Harry Reid Intl.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Reagan-National to Las Vegas Harry Reid Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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, Cheapflights users made 2,558,603 searches. Data last updated June 22, 2026.
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

Cheapest round-trip

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Mon 8/3

11:40 am-4:45 pm

1 stop8h 05m

Las Vegas Harry Reid Intl

Wed 8/5

6:30 am-6:00 pm

1 stop8h 30m

$283

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 8/18

6:55 am-11:10 am

1 stop7h 15m

Las Vegas Harry Reid Intl

Tue 8/25

9:45 am-8:55 pm

2 stops8h 10m

$288

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Wed 8/12

6:10 am-12:05 pm

1 stop8h 55m

Las Vegas Harry Reid Intl

Sun 8/16

7:55 am-4:55 pm

1 stop6h 00m

$293

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 8/8

6:05 am-12:20 pm

2 stops9h 15m

Las Vegas Harry Reid Intl

Tue 8/11

6:45 am-4:50 pm

1 stop7h 05m

$320

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Thu 8/27

5:20 pm-9:45 pm

1 stop7h 25m

Las Vegas Harry Reid Intl

Mon 8/31

8:45 am-7:40 pm

2 stops7h 55m

$324

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 8/4

3:00 pm-8:16 pm

1 stop8h 16m

Las Vegas Harry Reid Intl

Fri 8/7

11:45 pm-11:28 am

1 stop8h 43m

$348

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 8/8

7:00 am-9:10 am

Nonstop5h 10m

Las Vegas Harry Reid Intl

Sat 8/22

7:25 am-7:55 pm

1 stop9h 30m

$348
Quickest round-trip

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Fri 8/28

6:50 pm-10:15 pm

1 stop6h 25m

Las Vegas Harry Reid Intl

Sun 8/30

8:45 am-4:20 pm

Nonstop4h 35m

$357

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Thu 8/13

10:30 am-2:44 pm

1 stop7h 14m

Las Vegas Harry Reid Intl

Sun 8/16

11:55 pm-9:59 am

1 stop7h 04m

$367

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Thu 7/30

5:25 pm-9:15 pm

1 stop6h 50m

Las Vegas Harry Reid Intl

Mon 8/3

9:50 am-8:55 pm

2 stops8h 05m

$461

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

Showing 1-10 of 22 resultsSorted by cheapest first
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Compare providers for flights from Reagan-National to Las Vegas

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Las Vegas in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Las Vegas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Las Vegas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Las Vegas flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Las Vegas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Reagan-National with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Las Vegas

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Las Vegas?

The best time to book flights from Washington, D.C. Reagan-National Airport to Las Vegas is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Las Vegas?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Las Vegas (average of $370). Flying from Washington, D.C. Reagan-National Airport to Las Vegas in June is currently the most expensive (average of $554). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DCA to LAS?

Find hourly flight availability from Reagan-National to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 22, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Las Vegas as you normally would.

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Las Vegas?

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated June 22, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Las Vegas, such as Southwest,Delta, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,243 reviews

Overall

7.9

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers
Southwest
7.9
Good
4,243 reviews
Southwest
7.9
Good
4,243 reviews

Overall

7.9

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers
Delta
7.8
Good
8,421 reviews
Southwest
7.9
Good
4,243 reviews

Overall

7.9

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers
American Airlines
7.1
Good
11,739 reviews
Southwest
7.9
Good
4,243 reviews

Overall

7.9

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers
JetBlue
7.1
Good
2,996 reviews
Southwest
7.9
Good
4,243 reviews

Overall

7.9

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers
Frontier
5.6
Fair
2,871 reviews
Southwest
7.9
Good
4,243 reviews

Overall

7.9

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Las Vegas from Washington, D.C. Reagan-National?

    Las Vegas Harry Reid Intl (LAS) is the airport you will fly into if you book a flight from Washington, D.C. Reagan-National to Las Vegas. You should not have trouble finding flights to Harry Reid Intl from Washington, D.C. Reagan-National; the airport handles an average of 1 inbound flight from Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 7 airlines have flights to the Las Vegas airport from Washington, D.C. Reagan-National. It is only a 6.2 mi journey from Harry Reid Intl (LAS) to Las Vegas’s city center.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Las Vegas?

    Southwest can get you from Washington, D.C. Reagan-National Airport to Las Vegas in just under 8h 05m. Your travel time can differ by up to . The distance between Washington, D.C. Reagan-National Airport and Las Vegas is about 2082 mi.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Las Vegas round-trip?

    According to our current data, Frontier ($148), Delta ($168), and Alaska Airlines ($188) offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Las Vegas. You may be able to fly from Washington, D.C. Reagan-National Airport to Las Vegas for 69% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Las Vegas one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $73. Southwest flights start at $103 while deals on Delta start at $128 one-way.

  • What are the cheapest flights from Washington, D.C. Reagan-National Airport to Las Vegas?

    On average you can expect to pay $1,046 for a flight from Washington, D.C. Reagan-National Airport to Las Vegas. The cheapest flight overall is $118 while the most popular route, (Washington, D.C. Reagan-National - Las Vegas Harry Reid Intl) is currently priced at $189.

  • Can I find deals for flights from Reagan-National to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Las Vegas.

  • Can I find deals for business class flights from Reagan-National to Las Vegas?

    Yes. Cheapflights offers flight deals from Reagan-National to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Las Vegas?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Las Vegas (average of $370). Flying from Washington, D.C. Reagan-National Airport to Las Vegas in June is currently the most expensive (average of $554). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Paradise
Mesquite
Henderson
North Las Vegas
Kingman
Winchester
Boulder City
Needles
Sunrise Manor

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Alternative routes for Reagan-National to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Las Vegas flights
Baltimore to Las Vegas flights
Dulles Intl to Reno flights
Baltimore to Reno flights
Reagan-National to Reno flights

Top 7 airlines flying from Reagan-National to Las Vegas

Discover the top 7 airlines that operate flights from Reagan-National to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$148Average$285FlexibilityNo cancel feeOn-time62%
DeltaCheapest$168Average$418FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$188Average$376FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$245Average$523FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$249Average$538FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$265Average$381FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$266Average$538FlexibilityNo cancel feeOn-time71%

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