$123 Cheap Delta flights Buffalo (BUF) to Washington (DCA)

View $123 flight on Tue, Jan 20, 2026Opens in a new window

$123 Cheap Delta flights Buffalo (BUF) to Washington (DCA)

Prices were available within the past 7 days and start at $123 for one-way flights and $199 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Feb 13 - Tue, Feb 17
BUF
Buffalo
DCA
Washington
$199 Roundtrip, just found
$199
Roundtrip
just found
Select Delta flight, departing Fri, Feb 13 from Buffalo to Washington, returning Tue, Feb 17, priced at $199 just found
Delta
Thu, May 21 - Sat, May 23
BUF
Buffalo
DCA
Washington
$214 Roundtrip, found 2 days ago
$214
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, May 21 from Buffalo to Washington, returning Sat, May 23, priced at $214 found 2 days ago
Delta
Fri, Jan 30 - Sat, Jan 31
BUF
Buffalo
DCA
Washington
$221 Roundtrip, found 7 hours ago
$221
Roundtrip
found 7 hours ago
Select Delta flight, departing Fri, Jan 30 from Buffalo to Washington, returning Sat, Jan 31, priced at $221 found 7 hours ago
Delta
Wed, Jan 28 - Sat, Jan 31
BUF
Buffalo
DCA
Washington
$222 Roundtrip, found 2 days ago
$222
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Jan 28 from Buffalo to Washington, returning Sat, Jan 31, priced at $222 found 2 days ago
Delta
Fri, Jan 23 - Mon, Jan 26
BUF
Buffalo
DCA
Washington
$229 Roundtrip, found 4 hours ago
$229
Roundtrip
found 4 hours ago
Select Delta flight, departing Fri, Jan 23 from Buffalo to Washington, returning Mon, Jan 26, priced at $229 found 4 hours ago
Delta
Tue, May 5 - Sat, May 9
BUF
Buffalo
DCA
Washington
$232 Roundtrip, found 6 days ago
$232
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, May 5 from Buffalo to Washington, returning Sat, May 9, priced at $232 found 6 days ago
Delta
Fri, Jan 30 - Sat, Jan 31
BUF
Buffalo
DCA
Washington
$236 Roundtrip, found 7 hours ago
$236
Roundtrip
found 7 hours ago
Select Delta flight, departing Fri, Jan 30 from Buffalo to Washington, returning Sat, Jan 31, priced at $236 found 7 hours ago

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

August is typically the cheapest month to fly

From $137 - $388 per traveler.

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Average driving time to city center is 40 minutes. Flights from $344
BWI
Baltimore Washington Intl. Thurgood Marshall
Average driving time to city center40 min
Flights from $344
Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 36 minutes. Flights from $273
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from $273
Flights from Buffalo (BUF) to Washington (DCA)
Origin airport
Buffalo Niagara Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
American Airlines, Delta, JetBlue Airways, Southwest Airlines, United
Popular airline
JetBlue Airways
Distance
295 mi
Average flight time
1 hour 27 mins

Frequently asked questions

How much is a Delta Air Lines flight from Buffalo Niagara Intl. Airport (BUF) to Ronald Reagan Washington National Airport (DCA)?
Landing cheap one-way Delta Air Lines flights from BUF to DCA from $123 on Expedia is easy — just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares from $199 for your next exciting getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BUF to DCA with Delta Air Lines?
Search for one-way or return flights to Washington in January or February. You could find an affordable fare with Delta Air Lines during these off-peak travel months.
What is the cheapest time to book flights from Buffalo Niagara Intl. Airport (BUF) to Ronald Reagan Washington National Airport (DCA) with Delta Air Lines?
To find cheap Delta Air Lines fares from Buffalo Niagara Intl. Airport (BUF) to Ronald Reagan Washington National Airport (DCA), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact what you pay. Sunday is generally the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Buffalo Niagara Intl. Airport (BUF) to Ronald Reagan Washington National Airport (DCA)?
To figure out if there's a direct journey from BUF to DCA with Delta Air Lines or other carriers, check the "Nonstop" box when browsing for tickets.
What is the earliest Delta Air Lines flight from BUF to DCA?
Sort your results by "Morning" and "Early Morning" to find the earliest flights from BUF to DCA. Setting off early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Washington?
Ronald Reagan Washington National Airport (DCA) is the main Washington gateway for Delta Air Lines flights from Buffalo Niagara Intl. Airport (BUF).
Why fly with Delta Air Lines from BUF to DCA?
Delta Air Lines makes flying from BUF to DCA enjoyable with an excellent in-flight experience and a rewarding loyalty program. You also have the chance to earn points with Delta SkyMiles. Be sure to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Buffalo Niagara Intl. Airport (BUF) to Ronald Reagan Washington National Airport (DCA)?
Typically, you can reschedule or cancel your flight, although there may be a charge if you booked over 24 hours ago. Need flexible options? Use Expedia's "Changes included" and "No cancel fee" filters to find flights that won't charge extra if you have to alter your plans. To update your booking, head to "Trips," select your flight and click on "Manage Booking" for further information.

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*Available to One Key members.