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$110+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LAS
Mar 10 — Mar 171
Tue 3/10
Tue 3/17
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”

2. Select your favorite providers

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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 May, booked 24 days in advance, depart on a Tuesday or Saturday and return on a Saturday

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 February 8, 2026.

This Trip.com deal was found by Cheapflights users on 2/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/82:00 pm
DCA
-
LAS
1 stop12h 40m
Frontier
Thu 3/126:30 am
LAS
-
DCA
2 stops12h 29m
Frontier
Deal found 2/5$269
This Frontier deal was found by Cheapflights users on 2/7. 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 2/288:00 am
DCA
-
LAS
1 stop9h 06m
Frontier
Sat 2/2812:59 am
LAS
-
DCA
1 stop9h 16m
Frontier
Deal found 2/7$270
This Super.com deal was found by Cheapflights users on 2/6. 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.
Mon 2/168:00 am
DCA
-
LAS
1 stop9h 25m
Frontier
Mon 2/238:41 pm
LAS
-
DCA
1 stop13h 34m
Frontier
Deal found 2/6$271
This CheapOair deal was found by Cheapflights users on 2/6. 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 2/282:00 pm
DCA
-
LAS
1 stop21h 41m
Multiple Airlines
Wed 3/410:21 pm
LAS
-
DCA
2 stops14h 43m
Multiple Airlines
Deal found 2/6$272
This Trip.com deal was found by Cheapflights users on 2/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/252:00 pm
DCA
-
LAS
1 stop12h 59m
Frontier
Sat 2/2812:59 am
LAS
-
DCA
1 stop9h 16m
Frontier
Deal found 2/7$273
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
Wed 2/182:00 pm
DCA
-
LAS
1 stop12h 44m
Frontier
Fri 2/275:30 am
LAS
-
DCA
1 stop8h 29m
Frontier
Deal found 2/6$274
This CheapOair deal was found by Cheapflights users on 2/5. 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.
Thu 2/196:00 am
DCA
-
LAS
1 stop10h 36m
Multiple Airlines
Tue 2/2412:59 am
LAS
-
DCA
1 stop9h 16m
Multiple Airlines
Deal found 2/5$275
This JetBlue deal was found by Cheapflights users on 2/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/251:00 pm
DCA
-
LAS
1 stop10h 49m
JetBlue
Mon 3/3010:24 pm
LAS
-
DCA
1 stop11h 35m
JetBlue
Deal found 2/6$276
This CheapOair deal was found by Cheapflights users on 2/5. 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 2/218:00 am
DCA
-
LAS
1 stop9h 06m
Multiple Airlines
Tue 2/2411:59 pm
LAS
-
DCA
1 stop30h 33m
Multiple Airlines
Deal found 2/5$277
This Kiwi.com deal was found by Cheapflights users on 2/5. 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.
Fri 4/36:00 pm
DCA
-
LAS
1 stop8h 37m
Frontier
Fri 4/1012:59 am
LAS
-
DCA
1 stop8h 03m
Frontier
Deal found 2/5$278
This JetBlue deal was found by Cheapflights users on 2/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/141:57 pm
DCA
-
LAS
1 stop12h 07m
JetBlue
Mon 3/1610:10 pm
LAS
-
DCA
1 stop8h 46m
JetBlue
Deal found 2/7$279
This Frontier deal was found by Cheapflights users on 2/5. 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.
Mon 2/168:00 am
DCA
-
LAS
1 stop9h 25m
Frontier
Fri 2/205:30 am
LAS
-
DCA
1 stop8h 29m
Frontier
Deal found 2/5$280

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 February 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(Trip.com)

One-way from

$110
(American Airlines)

Popular in

January

Cheapest in

August

Average price

$404

Good round-trip deal

$439 or less

Good one-way deal

$202 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. 7% potential increase in price ($36 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 February 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 February 8, 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

Reagan-National

Fly to

Las Vegas

Route

Depart

Return

Price

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sun 3/22

6:00 am-1:14 pm

1 stop10h 14m

Las Vegas Harry Reid Intl

Wed 4/1

8:55 pm-7:59 am

1 stop8h 04m

$276

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Mon 3/9

3:59 pm-10:49 pm

1 stop9h 50m

Las Vegas Harry Reid Intl

Mon 3/16

10:10 pm-9:56 am

1 stop8h 46m

$279

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Mon 3/16

3:55 pm-11:04 pm

1 stop10h 09m

Las Vegas Harry Reid Intl

Thu 3/19

9:00 am-10:59 pm

1 stop10h 59m

$294

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 3/24

3:55 pm-11:04 pm

1 stop10h 09m

Las Vegas Harry Reid Intl

Fri 3/27

10:24 pm-9:15 am

1 stop7h 51m

$307

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Fri 2/27

3:40 pm-9:17 pm

1 stop8h 37m

Las Vegas Harry Reid Intl

Mon 3/2

11:59 pm-1:10 pm

1 stop10h 11m

$317

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Thu 3/12

6:35 pm-11:20 pm

1 stop7h 45m

Las Vegas Harry Reid Intl

Mon 3/16

6:35 am-6:40 pm

1 stop9h 05m

$332

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 4/4

4:35 pm-9:25 pm

1 stop7h 50m

Las Vegas Harry Reid Intl

Sat 4/4

11:40 pm-8:55 am

1 stop6h 15m

$332

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Wed 3/25

3:55 pm-11:04 pm

1 stop10h 09m

Las Vegas Harry Reid Intl

Sat 3/28

10:24 pm-11:45 am

1 stop10h 21m

$332

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Mon 2/23

6:00 am-1:36 pm

1 stop10h 36m

Las Vegas Harry Reid Intl

Mon 3/2

11:59 pm-12:59 pm

1 stop10h 00m

$333

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 3/14

3:55 pm-11:04 pm

1 stop10h 09m

Las Vegas Harry Reid Intl

Fri 3/20

10:10 pm-8:56 am

1 stop7h 46m

$345

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 21 results
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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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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?

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Las Vegas. Price data was last updated on January 30, 2026.

The best time to book flights from Washington, D.C. Reagan-National Airport to Las Vegas is 24 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, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Las Vegas (average of $153). Flying from Washington, D.C. Reagan-National Airport to Las Vegas in December is currently the most expensive (average of $237). 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 February 8, 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.

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 February 8, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Las Vegas, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,282 reviews

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,282 reviews
Southwest
8.0
Very good
4,282 reviews

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,173 reviews
Southwest
8.0
Very good
4,282 reviews

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,257 reviews
Southwest
8.0
Very good
4,282 reviews

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,254 reviews
Southwest
8.0
Very good
4,282 reviews

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.7
Fair
3,051 reviews
Southwest
8.0
Very good
4,282 reviews

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 8 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?

    JetBlue can get you from Washington, D.C. Reagan-National Airport to Las Vegas in just under 10h 14m. 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, Spirit Airlines ($117), Frontier ($148), and Delta ($168) 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 71% 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 $72. JetBlue flights start at $108 while deals on American Airlines start at $114 one-way.

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

    On average you can expect to pay $874 for a flight from Washington, D.C. Reagan-National Airport to Las Vegas. The cheapest flight overall is $132 while the most popular route, (Washington, D.C. Reagan-National - Las Vegas Harry Reid Intl) is currently priced at $186.

  • 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, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Las Vegas (average of $153). Flying from Washington, D.C. Reagan-National Airport to Las Vegas in December is currently the most expensive (average of $237). 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
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Henderson
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Primm
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Sunrise Manor

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Top 8 airlines flying from Reagan-National to Las Vegas

Discover the top 8 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 February 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$117Average$187FlexibilityNo cancel feeOn-time65%
FrontierCheapest$148Average$260FlexibilityNo cancel feeOn-time62%
DeltaCheapest$168Average$321FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$188Average$393FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$220Average$407FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$239Average$476FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$245Average$471FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$254Average$363FlexibilityNo cancel feeOn-time62%

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