HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Reagan-National

$133+ Cheap flights from Buffalo (BUF) 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — DCA
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buffalo to Reagan-National 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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Buffalo to Washington, D.C. Reagan-National are usually found in December or January, booked 84 days in advance, depart on a Saturday or Wednesday and return on a Saturday

Cheap flight deals from Buffalo to Reagan-National

Cheapest flights from Buffalo to Reagan-National
Explore the most affordable flight options available from Buffalo to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.

This Delta deal was found by Cheapflights users on 7/27. 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.
Wed 8/1210:00 am
BUF
-
DCA
1 stop6h 59m
Delta
Wed 8/195:40 pm
DCA
-
BUF
1 stop5h 49m
Delta
Deal found 7/27$241
This Delta deal was found by Cheapflights users on 7/28. 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.
Thu 8/206:05 am
BUF
-
DCA
1 stop4h 10m
Delta
Sun 8/237:40 pm
DCA
-
BUF
1 stop3h 49m
Delta
Deal found 7/28$243
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:00 am
BUF
-
DCA
1 stop4h 18m
American Airlines
Mon 8/1710:11 pm
DCA
-
BUF
Nonstop1h 25m
American Airlines
Deal found 7/27$248
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 am
BUF
-
DCA
Nonstop1h 28m
American Airlines
Sun 10/1110:20 pm
DCA
-
BUF
Nonstop1h 26m
American Airlines
Deal found 7/26$249
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:23 pm
BUF
-
DCA
Nonstop1h 31m
American Airlines
Fri 9/185:00 am
DCA
-
BUF
1 stop7h 06m
American Airlines
Deal found 7/28$253
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:00 am
BUF
-
DCA
Nonstop1h 19m
American Airlines
Wed 8/2610:11 am
DCA
-
BUF
1 stop7h 18m
American Airlines
Deal found 7/26$257
This Delta deal was found by Cheapflights users on 7/27. 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.
Thu 8/1310:00 am
BUF
-
DCA
1 stop6h 59m
Delta
Mon 8/177:40 pm
DCA
-
BUF
1 stop3h 49m
Delta
Deal found 7/27$258
This Priceline deal was found by Cheapflights users on 7/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:27 am
BUF
-
DCA
1 stop3h 58m
JetBlue
Wed 8/265:00 pm
DCA
-
BUF
1 stop6h 43m
JetBlue
Deal found 7/26$261
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:00 am
BUF
-
DCA
Nonstop1h 19m
American Airlines
Sun 8/1610:11 pm
DCA
-
BUF
Nonstop1h 25m
American Airlines
Deal found 7/26$264
This Expedia deal was found by Cheapflights users on 7/27. 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 8/286:00 am
BUF
-
DCA
1 stop4h 10m
JetBlue
Tue 9/111:00 am
DCA
-
BUF
1 stop7h 07m
JetBlue
Deal found 7/27$266

Find flight deals from Buffalo to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) 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 July 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$241
(Delta)

One-way from

$133
(Justfly.com)

Popular in

June

Cheapest in

December

Average price

$349

Good round-trip deal

$284 or less

Good one-way deal

$154 or less
Provider with most accurate pricing for Buffalo-Washington, D.C. Reagan-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Washington, D.C. Reagan-National flights.
Search Deals
From Buffalo to Washington, D.C. Reagan-National
Search Deals
One-way flight from Buffalo to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Buffalo to Washington, D.C. Reagan-National.
Search Deals
Price to beat on a one-way flight from Buffalo to Washington, D.C. Reagan-National.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo 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 July 30, 2026.
Use the filters below to find and compare flights from Buffalo to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloWashington, D.C.

BUF - DCA

BUFDCA

Buffalo

Wed 8/12

10:00 am-4:59 pm

1 stop6h 59m

Washington, D.C. Reagan-National

Wed 8/19

5:40 pm-11:29 pm

1 stop5h 49m

$241

BuffaloWashington, D.C.

BUF - DCA

BUFDCA

Buffalo

Fri 8/21

6:01 am-10:15 am

1 stop4h 14m

Washington, D.C. Reagan-National

Mon 8/24

7:35 pm-11:58 pm

1 stop4h 23m

$243
Quickest round-trip

BuffaloWashington, D.C.

BUF - DCA

BUFDCA

Buffalo

Fri 10/9

6:00 am-7:28 am

Nonstop1h 28m

Washington, D.C. Reagan-National

Sun 10/11

10:20 pm-11:46 pm

Nonstop1h 26m

$249

BuffaloWashington, D.C.

BUF - DCA

BUFDCA

Buffalo

Wed 11/11

7:00 am-11:11 am

1 stop4h 11m

Washington, D.C. Reagan-National

Wed 11/11

2:25 pm-8:24 pm

1 stop5h 59m

$266

BuffaloWashington, D.C.

BUF - DCA

BUFDCA

Buffalo

Sat 9/12

2:23 pm-7:56 pm

1 stop5h 33m

Washington, D.C. Reagan-National

Sat 9/19

2:00 pm-7:33 pm

1 stop5h 33m

$267

BuffaloWashington, D.C.

BUF - DCA

BUFDCA

Buffalo

Wed 9/2

6:00 am-10:10 am

1 stop4h 10m

Washington, D.C. Reagan-National

Sun 9/6

6:00 pm-12:08 am

1 stop6h 08m

$267

BuffaloWashington, D.C.

BUF - DCA

BUFDCA

Buffalo

Tue 10/6

7:00 am-2:47 pm

1 stop7h 47m

Washington, D.C. Reagan-National

Wed 10/7

12:25 pm-7:33 pm

1 stop7h 08m

$267

BuffaloWashington, D.C.

BUF - DCA

BUFDCA

Buffalo

Wed 9/23

9:15 am-5:20 pm

1 stop8h 05m

Washington, D.C. Reagan-National

Fri 9/25

8:55 am-1:29 pm

1 stop4h 34m

$267

BuffaloWashington, D.C.

BUF - DCA

BUFDCA

Buffalo

Thu 9/10

6:00 am-10:17 am

1 stop4h 17m

Washington, D.C. Reagan-National

Sun 9/13

7:25 pm-11:53 pm

1 stop4h 28m

$269

BuffaloWashington, D.C.

BUF - DCA

BUFDCA

Buffalo

Sat 8/29

12:02 pm-5:27 pm

1 stop5h 25m

Washington, D.C. Reagan-National

Mon 8/31

7:40 pm-11:29 pm

1 stop3h 49m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Buffalo 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 Buffalo to Reagan-National in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust 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 Buffalo-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-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 Buffalo-Washington, D.C. Reagan-National Airport 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 Buffalo-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 Buffalo to Reagan-National

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

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

The best time to book flights from Buffalo to Washington, D.C. Reagan-National Airport is 80 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 Buffalo to Washington, D.C. Reagan-National Airport?

Currently, December is the cheapest month in which you can book a flight from Buffalo to Washington, D.C. Reagan-National Airport (average of $239). Flying from Buffalo to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $443). 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 BUF to DCA?

Find hourly flight availability from Buffalo 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 July 30, 2026.

It’s typically best to fly out from Buffalo to Washington, D.C. Reagan-National Airport in the evening. Doing so could potentially save you 20% on the flight price compared to flying in the morning, which is usually more expensive.

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

Airfare is typical for this route at the moment.

Buffalo to Washington, D.C. Reagan-National Airport flights typically cost between $222 and $338 in August.
The cheapest round-trip price found within the last 5 days was $241 on Delta (Aug 12-Aug 19).

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 July 30, 2026.
See what other customers who have flown with American Airlines and JetBlue from Buffalo to Washington, D.C. Reagan-National Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,841 reviews

Entertainment

6.8

Comfort

7.2

Food

6.4

Boarding

7.5

Overall

7.1

Crew

7.9

Reviews

1 / 20
8.0
Excellent

Olwin,Jul 2026

MCO - DCA

The flight was great overall. But we need better food on flights and the baggage fees are too high.
American Airlines
7.1
Good
11,841 reviews
American Airlines
7.1
Good
11,841 reviews

Entertainment

6.8

Comfort

7.2

Food

6.4

Boarding

7.5

Overall

7.1

Crew

7.9

Reviews

1 / 20
8.0
Excellent

Olwin,Jul 2026

MCO - DCA

The flight was great overall. But we need better food on flights and the baggage fees are too high.
JetBlue
7.1
Good
3,028 reviews
American Airlines
7.1
Good
11,841 reviews

Entertainment

6.8

Comfort

7.2

Food

6.4

Boarding

7.5

Overall

7.1

Crew

7.9

Reviews

1 / 20
8.0
Excellent

Olwin,Jul 2026

MCO - DCA

The flight was great overall. But we need better food on flights and the baggage fees are too high.

Related info for your journey

Find useful and relevant information for your journey from Buffalo 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 Buffalo to Washington, D.C. Reagan-National?

    If you book a flight to Washington, D.C. Reagan-National from Buffalo, you will be flying from Buffalo, which is the city’s only airport. Buffalo (BUF) is located 8.3 mi from the center of Buffalo. There are 2 flights from Buffalo to Washington, D.C. Reagan-National per day from 2 different airlines.

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

    Airlines like Delta, American Airlines, and JetBlue fly from Buffalo to Washington, D.C. Reagan-National Airport in about 1h 28m. The time it takes to get you to your destination can typically vary by up to 5h 31m. Buffalo and Washington, D.C. Reagan-National Airport are separated by a distance of 296 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 Buffalo to Washington, D.C. Reagan-National Airport round-trip?

    Currently priced at $182, JetBlue will fly you from Buffalo to Washington, D.C. Reagan-National Airport and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $193. You may be able to fly from Buffalo to Washington, D.C. Reagan-National Airport for 41% less than the average price by searching for these airlines.

  • What are the most reliable airlines from Buffalo to Washington, D.C. Reagan-National Airport?

    Before booking your flight to Washington, D.C. Reagan-National Airport from Buffalo, check out the most reliable airlines to get you to your destination on time: Envoy Air (83%), Alaska Airlines (66%), American Airlines( 60%).

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

    Looking at all options, your cheapest flight can be booked for $130. While the most popular route (Buffalo - Washington, D.C. Reagan-National) can be booked for $183 on average, our data indicates $284 when flying from Buffalo to Washington, D.C. Reagan-National Airport.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Buffalo to Washington, D.C. Reagan-National Airport (average of $239). Flying from Buffalo to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $443). 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
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Fredericksburg
Falls Church
Hanover
Manassas
Laurel
Clinton
Hunt Valley
Cordova
Woodbridge
Largo

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Buffalo to Reagan-National

Discover the top 2 airlines that operate flights from Buffalo 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 July 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$182Average$299FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$193Average$312FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.