Reagan-National

$105+ 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — DCA
Oct 16 — Oct 231
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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 April or August, booked 25 days in advance, depart on a Wednesday or Saturday 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 September 16, 2025.

Round-trip from

$167
(CheapOair)

One-way from

$105
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$316

Good round-trip deal

$342 or less

Good one-way deal

$183 or less
From Las Vegas Harry Reid Intl to Washington, D.C. Reagan-National
One-way flight from Las Vegas Harry Reid Intl to Washington, D.C. Reagan-National
Highest demand for flights based on searches. 14% potential increase in price ($58 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Washington, D.C. Reagan-National.
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Washington, D.C. Reagan-National.

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 September 16, 2025.

This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2912:59 amLAS - DCA
1 stop9h 03mFrontier
Mon 11/38:00 amDCA - LAS
1 stop7h 07mFrontier
Deal found 9/14$167
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/265:14 pmLAS - DCA
1 stop25h 45mFrontier
Mon 9/297:00 amDCA - LAS
1 stop7h 07mFrontier
Deal found 9/14$173
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:59 amLAS - DCA
1 stop13h 00mFrontier
Mon 10/207:00 amDCA - LAS
1 stop8h 07mFrontier
Deal found 9/15$177
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2312:59 amLAS - DCA
1 stop18h 00mFrontier
Wed 10/87:00 amDCA - LAS
1 stop9h 13mFrontier
Deal found 9/15$190
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/612:59 amLAS - DCA
1 stop18h 00mFrontier
Sat 10/111:00 pmDCA - LAS
1 stop13h 29mFrontier
Deal found 9/15$191
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:59 amLAS - DCA
1 stop13h 00mFrontier
Fri 11/71:00 pmDCA - LAS
1 stop29h 46mFrontier
Deal found 9/15$192
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3012:59 amLAS - DCA
1 stop18h 00mFrontier
Thu 10/237:00 amDCA - LAS
1 stop14h 55mFrontier
Deal found 9/15$198
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2312:59 amLAS - DCA
1 stop8h 11mFrontier
Wed 10/11:00 pmDCA - LAS
1 stop13h 29mFrontier
Deal found 9/15$200
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2212:59 amLAS - DCA
1 stop8h 05mFrontier
Mon 10/278:00 amDCA - LAS
1 stop9h 58mFrontier
Deal found 9/15$205
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/101:04 pmLAS - DCA
2 stops20h 00mFrontier
Wed 10/157:00 amDCA - LAS
1 stop9h 13mFrontier
Deal found 9/14$211
This CheapOair deal was found by Cheapflights users on 9/16. 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.
Fri 9/263:10 pmLAS - DCA
1 stop18h 00mFrontier
Sat 9/276:00 pmDCA - LAS
1 stop8h 33mFrontier
Deal found 9/16$212

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 September 16, 2025.
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

Mon 10/27

12:59 am-9:59 pm

1 stop18h 00m

Washington, D.C. Reagan-National

Sun 11/2

6:00 pm-8:02 am

1 stop17h 02m

$167

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Wed 10/29

12:59 am-1:02 pm

1 stop9h 03m

Washington, D.C. Reagan-National

Mon 11/3

1:00 pm-7:38 pm

1 stop9h 38m

$167

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 10/2

12:59 am-12:10 pm

1 stop8h 11m

Washington, D.C. Reagan-National

Tue 10/7

7:00 am-6:05 pm

2 stops14h 05m

$211

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 11/18

10:12 pm-7:19 am

1 stop6h 07m

Washington, D.C. Reagan-National

Fri 11/28

6:00 am-12:30 pm

1 stop9h 30m

$257

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 11/18

10:20 pm-8:39 am

1 stop7h 19m

Washington, D.C. Reagan-National

Tue 12/2

4:05 pm-9:29 pm

1 stop8h 24m

$257

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 10/14

1:35 pm-11:45 pm

1 stop7h 10m

Washington, D.C. Reagan-National

Sun 10/19

7:45 pm-12:05 am

1 stop7h 20m

$267

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Wed 11/26

12:45 pm-10:59 pm

1 stop7h 14m

Washington, D.C. Reagan-National

Sun 11/30

5:44 pm-1:26 am

1 stop10h 42m

$267

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 10/28

8:55 am-4:25 pm

Nonstop4h 30m

Washington, D.C. Reagan-National

Thu 11/6

7:30 pm-11:55 pm

1 stop7h 25m

$267

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Sat 10/11

11:00 am-9:50 pm

2 stops7h 50m

Washington, D.C. Reagan-National

Tue 10/14

1:30 pm-5:30 pm

1 stop7h 00m

$272

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Wed 10/15

5:50 am-4:05 pm

1 stop7h 15m

Washington, D.C. Reagan-National

Wed 10/22

1:30 pm-7:15 pm

2 stops8h 45m

$272

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 23 results
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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 September 12, 2025.

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 25 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, February is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. Reagan-National Airport (average of $278). Flying from Las Vegas to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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 September 16, 2025.

It’s typically best to fly out from Las Vegas to Washington, D.C. Reagan-National Airport in the afternoon. Doing so could potentially save you 40% on the flight price compared to flying at noon, which is usually more expensive.

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 September 16, 2025.
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.

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
8.0
Very good

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 6h 07m. Fly via Frontier or Delta 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 $128. Other airlines that can offer you cheap pricing are American Airlines, from $242, and Southwest, from $252. Frontier is priced at 63% lower than the current average price of a flight leaving 3 months from now.

  • 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 $338, our data indicates the cheapest price to be $103. The most popular route (Las Vegas Harry Reid Intl - Washington, D.C. Reagan-National), is priced around $167.

  • 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, February is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. Reagan-National Airport (average of $278). Flying from Las Vegas to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$243FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$242Average$447FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$252Average$447FlexibilityNo cancel feeOn-time63%
DeltaCheapest$256Average$308FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$289Average$407FlexibilityNo cancel feeOn-time69%

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