₩241,200 Cheap Flights from Washington (DCA) to Buffalo (BUF)

View ₩241,200 flight on Wed, Jun 10, 2026Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Buffalo Niagara Intl. Airport (BUF)

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Cheap Flights from Washington to Buffalo (DCA-BUF)

Prices were available within the past 7 days and start at ₩241,200 for one-way flights and ₩501,100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Jun 10 - Thu, Jun 11
DCA
Washington
BUF
Buffalo
₩501,100 Roundtrip, found 2 days ago
₩501,100
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Jun 10 from Washington to Buffalo, returning Thu, Jun 11, priced at ₩501,100 found 2 days ago
Delta
Sun, Aug 16 - Tue, Aug 18
DCA
Washington
BUF
Buffalo
₩545,500 Roundtrip, found 4 days ago
₩545,500
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Aug 16 from Washington to Buffalo, returning Tue, Aug 18, priced at ₩545,500 found 4 days ago
Delta
Sun, Aug 16 - Tue, Aug 18
DCA
Washington
BUF
Buffalo
₩580,900 Roundtrip, found 4 days ago
₩580,900
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Aug 16 from Washington to Buffalo, returning Tue, Aug 18, priced at ₩580,900 found 4 days ago
Delta
Wed, Jun 10 - Thu, Jun 11
DCA
Washington
BUF
Buffalo
₩592,800 Roundtrip, found 2 days ago
₩592,800
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Jun 10 from Washington to Buffalo, returning Thu, Jun 11, priced at ₩592,800 found 2 days ago
Delta
Wed, Jun 10 - Thu, Jun 11
DCA
Washington
BUF
Buffalo
₩597,200 Roundtrip, found 2 days ago
₩597,200
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Jun 10 from Washington to Buffalo, returning Thu, Jun 11, priced at ₩597,200 found 2 days ago
United
Sun, Aug 16 - Tue, Aug 18
DCA
Washington
BUF
Buffalo
₩601,200 Roundtrip, found 4 days ago
₩601,200
Roundtrip
found 4 days ago
Select United flight, departing Sun, Aug 16 from Washington to Buffalo, returning Tue, Aug 18, priced at ₩601,200 found 4 days ago
Delta
Sun, Aug 16 - Tue, Aug 18
DCA
Washington
BUF
Buffalo
₩610,500 Roundtrip, found 4 days ago
₩610,500
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Aug 16 from Washington to Buffalo, returning Tue, Aug 18, priced at ₩610,500 found 4 days ago
Delta
Sun, Aug 16 - Tue, Aug 18
DCA
Washington
BUF
Buffalo
₩625,300 Roundtrip, found 4 days ago
₩625,300
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Aug 16 from Washington to Buffalo, returning Tue, Aug 18, priced at ₩625,300 found 4 days ago
Delta
Wed, Jun 10 - Thu, Jun 11
DCA
Washington
BUF
Buffalo
₩628,200 Roundtrip, found 2 days ago
₩628,200
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Jun 10 from Washington to Buffalo, returning Thu, Jun 11, priced at ₩628,200 found 2 days ago
American Airlines
Wed, Jun 10 - Thu, Jun 11
DCA
Washington
BUF
Buffalo
₩673,900 Roundtrip, found 2 days ago
₩673,900
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Jun 10 from Washington to Buffalo, returning Thu, Jun 11, priced at ₩673,900 found 2 days ago

Find the cheapest month to fly from Washington (DCA) to Buffalo (BUF)

August is typically the cheapest month to fly

From ₩200,603 - ₩678,967 per traveler.

Frequently asked questions

How much is a flight from National Airport to BUF?
Start packing your suitcase, because round-trip flights from DCA to Buffalo Niagara International Airport start from ₩501,100. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book today to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from National Airport to Buffalo Niagara International Airport?
We understand that things crop up unexpectedly, so we've made it as easy as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from DCA to Buffalo Niagara Intl. Airport (BUF) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for National Airport to Buffalo Niagara Intl. Airport (BUF) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from DCA to Buffalo Niagara Intl. Airport (BUF)?
The flight distance from DCA (DCA) to Buffalo Niagara Intl. Airport (BUF) (BUF) is 480 kilometers. You'll be stepping off the plane and picking up your bags from the carousel before you know it.
Which airlines fly direct from DCA to Buffalo Niagara Intl. Airport (BUF)?
American Airlines (AA) will fly you from Ronald Reagan Washington National Airport (DCA) to Buffalo Niagara Intl. Airport (BUF) comfortably and safely. You can choose from 86 direct flights each month on this route.
Are DCA to Buffalo Niagara Intl. Airport (BUF) flight tickets cheaper when they're purchased at the last minute?
Airline tickets from National Airport to Buffalo Niagara International Airport are available up to 12 months prior to departure on Expedia. And although you may occasionally score fantastic last-minute deals, it's not something you should bank on. Also, booking your flights in advance means you'll have more options — and you can avoid getting trapped in the dreaded middle seat! We frequently update our fares to make sure you get the biggest bargains, so keep checking in for all the latest specials.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Buffalo Niagara Intl.
Roundtrip price
₩501,100
Distance
473 km
Average flight time
1 hour 24 mins
*Available to Expedia members.