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Reagan-National

$129+ Cheap flights from Las Vegas (LAS) to Reagan-National (DCA)

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — DCA
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Washington, D.C. Reagan-National are usually found in December or April, booked 11 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Cheap flight deals from Las Vegas to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Reagan-National (DCA). 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 January 15, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$208
(Kiwi.com)

One-way from

$129
(Trip.com)

Popular in

October

Cheapest in

December

Average price

$409

Good round-trip deal

$335 or less

Good one-way deal

$258 or less
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Washington, D.C. Reagan-National flight deals.
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Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Washington, D.C. Reagan-National flights.
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From Las Vegas Harry Reid Intl to Washington, D.C. Reagan-National
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One-way flight from Las Vegas Harry Reid Intl to Washington, D.C. Reagan-National
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Highest demand for flights based on searches. 15% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Washington, D.C. Reagan-National.
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Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Washington, D.C. Reagan-National.
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Find flight deals from Las Vegas to Reagan-National

Cheapest flights from Las Vegas to Reagan-National
Explore the most affordable flight options available from Las Vegas to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/12. 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 1/3012:22 pm
LAS
-
DCA
1 stop6h 37m
Frontier
Sun 2/16:00 pm
DCA
-
LAS
1 stop8h 39m
Frontier
Deal found 1/12$208
This Frontier deal was found by Cheapflights users on 1/12. 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.
Fri 1/238:52 pm
LAS
-
DCA
1 stop13h 10m
Frontier
Wed 1/288:59 am
DCA
-
LAS
1 stop8h 47m
Frontier
Deal found 1/12$210
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 1/2912:22 pm
LAS
-
DCA
1 stop6h 37m
Frontier
Sun 2/16:00 pm
DCA
-
LAS
1 stop8h 39m
Frontier
Deal found 1/15$212
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Tue 2/104:31 pm
LAS
-
DCA
2 stops41h 44m
Frontier
Sat 2/146:00 pm
DCA
-
LAS
1 stop8h 44m
Frontier
Deal found 1/13$214
This Expedia deal was found by Cheapflights users on 1/13. 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.
Fri 1/306:00 am
LAS
-
DCA
1 stop7h 59m
Frontier
Mon 2/26:00 pm
DCA
-
LAS
1 stop8h 39m
Frontier
Deal found 1/13$215
This Frontier deal was found by Cheapflights users on 1/12. 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.
Fri 1/238:52 pm
LAS
-
DCA
1 stop13h 10m
Frontier
Sat 1/246:00 pm
DCA
-
LAS
1 stop8h 59m
Frontier
Deal found 1/12$216
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
Mon 3/26:11 pm
LAS
-
DCA
2 stops40h 04m
Frontier
Thu 3/56:00 pm
DCA
-
LAS
1 stop8h 46m
Frontier
Deal found 1/14$217
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 2/712:50 pm
LAS
-
DCA
1 stop6h 09m
Frontier
Sun 2/86:00 pm
DCA
-
LAS
2 stops25h 21m
Frontier
Deal found 1/15$218
This Kiwi.com deal was found by Cheapflights users on 1/12. 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 1/2412:50 pm
LAS
-
DCA
1 stop6h 09m
Frontier
Thu 1/298:00 am
DCA
-
LAS
1 stop12h 35m
Frontier
Deal found 1/12$223
This Frontier deal was found by Cheapflights users on 1/12. 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 2/26:00 am
LAS
-
DCA
1 stop7h 59m
Frontier
Tue 2/102:00 pm
DCA
-
LAS
1 stop12h 39m
Frontier
Deal found 1/12$225
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/47:30 am
LAS
-
DCA
1 stop6h 29m
Multiple Airlines
Thu 2/56:00 pm
DCA
-
LAS
2 stops19h 31m
Multiple Airlines
Deal found 1/13$226

Cheapflights Fare Finder

 
Customize your flight search to find flights from Las Vegas to Reagan-National 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 January 15, 2026.
Use the filters below to find and compare flights from Las Vegas to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Las Vegas

Fly to

Reagan-National

Route

Depart

Return

Price

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 4/7

12:59 am-9:59 pm

1 stop18h 00m

Washington, D.C. Reagan-National

Sun 4/12

7:00 am-5:33 pm

1 stop13h 33m

$235

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Fri 1/30

3:42 pm-4:59 pm

2 stops22h 17m

Washington, D.C. Reagan-National

Sun 2/1

2:00 pm-7:42 pm

1 stop8h 42m

$274

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 4/7

8:55 pm-9:49 am

1 stop9h 54m

Washington, D.C. Reagan-National

Tue 4/14

1:20 pm-7:35 pm

1 stop9h 15m

$279

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Wed 3/25

10:25 am-9:15 pm

1 stop7h 50m

Washington, D.C. Reagan-National

Tue 3/31

11:45 am-9:15 pm

1 stop12h 30m

$279

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Mon 4/6

8:55 pm-10:55 am

1 stop11h 00m

Washington, D.C. Reagan-National

Tue 4/14

3:35 pm-10:10 pm

1 stop9h 35m

$304

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Sun 2/1

11:39 pm-1:20 pm

1 stop10h 41m

Washington, D.C. Reagan-National

Tue 2/10

10:45 am-6:24 pm

1 stop10h 39m

$307

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 1/22

9:37 am-9:59 pm

1 stop9h 22m

Washington, D.C. Reagan-National

Sun 1/25

2:00 pm-8:27 am

1 stop21h 27m

$317

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 4/7

8:55 pm-9:49 am

1 stop9h 54m

Washington, D.C. Reagan-National

Sun 4/12

6:00 am-1:41 pm

1 stop10h 41m

$333

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Wed 2/11

7:05 am-9:00 pm

2 stops10h 55m

Washington, D.C. Reagan-National

Sun 2/15

6:00 pm-11:44 pm

1 stop8h 44m

$337

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 2/19

8:35 pm-1:15 pm

1 stop13h 40m

Washington, D.C. Reagan-National

Mon 2/23

6:00 pm-11:44 pm

1 stop8h 44m

$343

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 21 results
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Compare providers for flights from Las Vegas to Reagan-National

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 Las Vegas to Reagan-National in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice 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 Las Vegas-Washington, D.C. Reagan-National Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Las Vegas-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Las Vegas-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Las Vegas-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust CheapOair the most. CheapOair 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 Las Vegas-Washington, D.C. Reagan-National Airport 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 Las Vegas to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Las Vegas 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 Las Vegas to Washington, D.C. Reagan-National Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to Reagan-National. Price data was last updated on January 9, 2026.

The price you pay for your flight from Las Vegas to Washington, D.C. Reagan-National Airport may vary depending on when you book. For the best chance of a lower fare, look to book 11 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, March is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. Reagan-National Airport (average of $114). Flying from Las Vegas to Washington, D.C. Reagan-National Airport in August is currently the most expensive (average of $233). 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 LAS to DCA?

Find hourly flight availability from Las Vegas to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 15, 2026.

When flying from Las Vegas to Washington, D.C. Reagan-National Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated January 15, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Las Vegas to Washington, D.C. Reagan-National Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,258 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Overall

8.0

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
4,258 reviews
Southwest
8.0
Very good
4,258 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Overall

8.0

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
8,051 reviews
Southwest
8.0
Very good
4,258 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Overall

8.0

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
9,164 reviews
Southwest
8.0
Very good
4,258 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Overall

8.0

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
11,136 reviews
Southwest
8.0
Very good
4,258 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Overall

8.0

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
3,057 reviews
Southwest
8.0
Very good
4,258 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Overall

8.0

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 Las Vegas to Reagan-National. 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 from for flights from Las Vegas to Washington, D.C. Reagan-National?

    If you book a flight to Washington, D.C. Reagan-National from Las Vegas, you will be flying from Harry Reid Intl, which is the city’s only airport. Las Vegas Harry Reid Intl (LAS) is located 6.2 mi from the center of Las Vegas. There is 1 flight from Harry Reid Intl to Washington, D.C. Reagan-National per day from 5 different airlines.

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

    There are many flights that can get you from Las Vegas to Washington, D.C. Reagan-National Airport in 9h 54m. Fly via Frontier or JetBlue to get the fastest option. The distance between Las Vegas and Washington, D.C. Reagan-National Airport is about 2082 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Cheapflights users have booked flights from Las Vegas to Washington, D.C. Reagan-National Airport round-trip from $135. Other airlines that can offer you cheap pricing are American Airlines, from $226, and United Airlines, from $226. Frontier is priced at 62% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $81. Users have also found prices from $103 and $113 on American Airlines and United Airlines, respectively.

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

    Looking for the cheapest flight from Las Vegas to Washington, D.C. Reagan-National Airport? While on average our users pay $401, our data indicates the cheapest price to be $133. The most popular route (Las Vegas Harry Reid Intl - Washington, D.C. Reagan-National), is priced around $181.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Las Vegas to Reagan-National 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 Las Vegas to Washington, D.C. Reagan-National Airport?

    Currently, March is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. Reagan-National Airport (average of $114). Flying from Las Vegas to Washington, D.C. Reagan-National Airport in August is currently the most expensive (average of $233). 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 Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Hanover
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Largo
Bowie
McLean
Clinton
Herndon

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Las Vegas to Reagan-National

Discover the top 5 airlines that operate flights from Las Vegas to Reagan-National. 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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$135Average$251FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$226Average$425FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$226Average$404FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$254Average$456FlexibilityNo cancel feeOn-time63%
DeltaCheapest$256Average$296FlexibilityNo cancel feeOn-timeN/A

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