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$130+ Cheap flights from Reagan-National (DCA) to Buffalo (BUF)

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BUF
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Buffalo are usually found in February or January, booked 64 days in advance, depart on a Saturday or Wednesday and return on a Saturday

Cheap flight deals from Reagan-National to Buffalo

Cheapest flights from Reagan-National to Buffalo
Explore the most affordable flight options available from Reagan-National to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.

This American Airlines deal was found by Cheapflights users on 7/24. 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 9/410:11 pm
DCA
-
BUF
Nonstop1h 25m
American Airlines
Tue 9/85:00 am
BUF
-
DCA
Nonstop1h 19m
American Airlines
Deal found 7/24$258
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 8/2111:56 am
DCA
-
BUF
1 stop6h 06m
American Airlines
Sun 8/235:22 am
BUF
-
DCA
Nonstop1h 26m
American Airlines
Deal found 7/26$259
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.
Wed 8/52:59 pm
DCA
-
BUF
1 stop6h 32m
American Airlines
Thu 8/205:00 am
BUF
-
DCA
Nonstop1h 19m
American Airlines
Deal found 7/28$263
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.
Thu 9/1710:26 pm
DCA
-
BUF
Nonstop1h 28m
American Airlines
Sun 9/205:37 am
BUF
-
DCA
Nonstop1h 23m
American Airlines
Deal found 7/26$264
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:00 pm
DCA
-
BUF
1 stop6h 43m
JetBlue
Fri 8/216:00 am
BUF
-
DCA
1 stop6h 01m
JetBlue
Deal found 7/26$265
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:25 pm
DCA
-
BUF
1 stop5h 59m
JetBlue
Mon 11/97:00 am
BUF
-
DCA
1 stop4h 11m
JetBlue
Deal found 7/26$266
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:00 pm
DCA
-
BUF
1 stop7h 08m
JetBlue
Thu 9/36:00 am
BUF
-
DCA
1 stop6h 00m
JetBlue
Deal found 7/27$267
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:00 am
DCA
-
BUF
1 stop7h 15m
JetBlue
Mon 8/246:00 am
BUF
-
DCA
1 stop4h 10m
JetBlue
Deal found 7/28$269
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.
Tue 8/181:30 pm
DCA
-
BUF
1 stop4h 00m
Delta
Sat 8/226:01 am
BUF
-
DCA
1 stop5h 15m
Delta
Deal found 7/28$271
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.
Sat 8/158:30 pm
DCA
-
BUF
Nonstop1h 26m
American Airlines
Mon 8/176:59 pm
BUF
-
DCA
1 stop5h 00m
American Airlines
Deal found 7/26$274
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 8/283:36 pm
DCA
-
BUF
Nonstop1h 32m
American Airlines
Mon 8/315:00 am
BUF
-
DCA
Nonstop1h 19m
American Airlines
Deal found 7/26$275

Find flight deals from Reagan-National to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Buffalo (BUF). 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 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$258
(Delta)

One-way from

$130
(Jettzy)

Popular in

December

Cheapest in

February

Average price

$322

Good round-trip deal

$273 or less

Good one-way deal

$233 or less
Provider with most accurate pricing for Washington, D.C. Reagan-National-Buffalo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Buffalo flights.
Search Deals
From Washington, D.C. Reagan-National to Buffalo
Search Deals
One-way flight from Washington, D.C. Reagan-National to Buffalo
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 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 Washington, D.C. Reagan-National to Buffalo.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Reagan-National to Buffalo.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Buffalo 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 29, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Fri 9/25

6:00 am-9:59 am

1 stop3h 59m

Buffalo

Sun 9/27

5:37 am-7:00 am

Nonstop1h 23m

$259

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Tue 9/1

5:00 pm-12:08 am

1 stop7h 08m

Buffalo

Thu 9/3

6:00 am-12:00 pm

1 stop6h 00m

$267

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Wed 8/19

5:40 pm-11:29 pm

1 stop5h 49m

Buffalo

Sat 8/22

6:01 am-11:16 am

1 stop5h 15m

$271

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Sun 8/16

7:35 pm-11:58 pm

1 stop4h 23m

Buffalo

Sun 8/23

6:01 am-10:15 am

1 stop4h 14m

$284

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Thu 8/13

7:35 pm-11:58 pm

1 stop4h 23m

Buffalo

Sat 8/15

6:01 am-11:16 am

1 stop5h 15m

$294

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Sat 8/8

11:56 am-6:02 pm

1 stop6h 06m

Buffalo

Mon 8/10

6:59 pm-11:59 pm

1 stop5h 00m

$299

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Fri 8/21

11:00 am-6:15 pm

1 stop7h 15m

Buffalo

Sun 8/23

3:55 pm-10:59 pm

1 stop7h 04m

$333

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Sun 8/16

1:25 pm-7:32 pm

1 stop6h 07m

Buffalo

Tue 8/18

6:00 am-10:10 am

1 stop4h 10m

$333

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Sat 8/8

5:47 pm-11:43 pm

1 stop5h 56m

Buffalo

Tue 8/11

10:27 am-2:25 pm

1 stop3h 58m

$335

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Sat 8/8

5:47 pm-11:43 pm

1 stop5h 56m

Buffalo

Mon 8/10

3:55 pm-10:59 pm

1 stop7h 04m

$335

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 21 resultsSorted by cheapest first
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3

Compare providers for flights from Reagan-National to Buffalo

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 Buffalo in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice 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-Buffalo 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-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Buffalo 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-Buffalo 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-Buffalo 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 Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo 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 Buffalo

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

The best time to book flights from Washington, D.C. Reagan-National Airport to Buffalo is 20 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 Buffalo?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Buffalo (average of $264). Flying from Washington, D.C. Reagan-National Airport to Buffalo in December is currently the most expensive (average of $433). 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 BUF?

Find hourly flight availability from Reagan-National to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2026.

It’s optimal to fly from Washington, D.C. Reagan-National Airport to Buffalo in the evening. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight at noon.

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

Airfare is below average for this route at the moment.

Washington, D.C. Reagan-National Airport to Buffalo flights typically cost between $278 and $477 in September.
The cheapest round-trip price found within the last 5 days was $258 on American Airlines (Sep 4-Sep 8).

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated July 29, 2026.
See what other customers who have flown with American Airlines and JetBlue from Washington, D.C. Reagan-National Airport to Buffalo 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
11,839 reviews

Overall

7.1

Food

6.4

Boarding

7.5

Crew

7.9

Comfort

7.2

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Kristin,Jul 2026

DCA - PHX

We got delayed because of filling up more gas then a storm hit after that so we sat in the plane for 1.5 hours more. It was hot while we waited.
American Airlines
7.1
Good
11,839 reviews
American Airlines
7.1
Good
11,839 reviews

Overall

7.1

Food

6.4

Boarding

7.5

Crew

7.9

Comfort

7.2

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Kristin,Jul 2026

DCA - PHX

We got delayed because of filling up more gas then a storm hit after that so we sat in the plane for 1.5 hours more. It was hot while we waited.
JetBlue
7.1
Good
3,023 reviews
American Airlines
7.1
Good
11,839 reviews

Overall

7.1

Food

6.4

Boarding

7.5

Crew

7.9

Comfort

7.2

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Kristin,Jul 2026

DCA - PHX

We got delayed because of filling up more gas then a storm hit after that so we sat in the plane for 1.5 hours more. It was hot while we waited.

Related info for your journey

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

    Buffalo (BUF) is the airport you will fly into if you book a flight from Washington, D.C. Reagan-National to Buffalo. You should not have trouble finding flights to Buffalo from Washington, D.C. Reagan-National; the airport handles an average of 2 inbound flights from Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Buffalo airport from Washington, D.C. Reagan-National. It is only a 8.3 mi journey from Buffalo (BUF) to Buffalo’s city center.

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

    Airlines like American Airlines, JetBlue, and Delta fly from Washington, D.C. Reagan-National Airport to Buffalo in about 3h 59m. The time it takes to get you to your destination can typically vary by up to 3h 09m. There are 296 mi between Washington, D.C. Reagan-National Airport and Buffalo. 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 Washington, D.C. Reagan-National Airport to Buffalo round-trip?

    American Airlines, at $209, was found to be the cheapest airline from Washington, D.C. Reagan-National Airport to Buffalo. An alternate airline flying to your destination would be JetBlue. These flights start at 37% lower than the current average price 3 months from now.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Reagan-National Airport to Buffalo on time: Envoy Air (77%), American Airlines (50%), Republic Airways (43%).

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

    On average you can expect to pay $328 for a flight from Washington, D.C. Reagan-National Airport to Buffalo. The cheapest flight overall is $197 while the most popular route, (Washington, D.C. Reagan-National - Buffalo) is currently priced at $163.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to Buffalo 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 Buffalo?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Buffalo (average of $264). Flying from Washington, D.C. Reagan-National Airport to Buffalo in December is currently the most expensive (average of $433). 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 Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Lockport
Cheektowaga
Amherst
Williamsville
Orchard Park
Eden
Bowmansville

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Top 2 airlines flying from Reagan-National to Buffalo

Discover the top 2 airlines that operate flights from Reagan-National to Buffalo. 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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$209Average$319FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$234Average$298FlexibilityNo cancel feeOn-time62%

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