$90 Cheap Flights from Washington (DCA) to Buffalo (BUF)

View $90 flight on Thu, May 29, 2025Opens in a new window

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

Find available prices by choosing your travel dates.

Cheap Flights from Washington to Buffalo (DCA-BUF)

Prices were available within the past 7 days and start at $90 for one-way flights and $179 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Jun 30 - Sat, Jul 5
DCA
Washington
BUF
Buffalo
$179 Roundtrip, found 5 hours ago
$179
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Mon, Jun 30 from Washington to Buffalo, returning Sat, Jul 5, priced at $179 found 5 hours ago
American Airlines
Fri, May 9 - Fri, May 16
DCA
Washington
BUF
Buffalo
$184 Roundtrip, found 5 hours ago
$184
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Fri, May 9 from Washington to Buffalo, returning Fri, May 16, priced at $184 found 5 hours ago
Delta
Wed, Jul 2 - Sat, Jul 5
DCA
Washington
BUF
Buffalo
$192 Roundtrip, found 1 day ago
$192
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Jul 2 from Washington to Buffalo, returning Sat, Jul 5, priced at $192 found 1 day ago
American Airlines
Mon, Jun 30 - Sat, Jul 5
DCA
Washington
BUF
Buffalo
$194 Roundtrip, found 5 hours ago
$194
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Mon, Jun 30 from Washington to Buffalo, returning Sat, Jul 5, priced at $194 found 5 hours ago
United
Sat, Aug 9 - Thu, Aug 14
DCA
Washington
BUF
Buffalo
$199 Roundtrip, found 2 days ago
$199
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 9 from Washington to Buffalo, returning Thu, Aug 14, priced at $199 found 2 days ago
American Airlines
Thu, May 8 - Sun, May 11
DCA
Washington
BUF
Buffalo
$199 Roundtrip, found 2 hours ago
$199
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Thu, May 8 from Washington to Buffalo, returning Sun, May 11, priced at $199 found 2 hours ago
Delta
Wed, May 7 - Wed, May 21
DCA
Washington
BUF
Buffalo
$204 Roundtrip, found 1 day ago
$204
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, May 7 from Washington to Buffalo, returning Wed, May 21, priced at $204 found 1 day ago
American Airlines
Wed, May 28 - Tue, Jun 3
DCA
Washington
BUF
Buffalo
$206 Roundtrip, found 3 days ago
$206
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, May 28 from Washington to Buffalo, returning Tue, Jun 3, priced at $206 found 3 days ago
JetBlue Airways
Mon, Jun 30 - Sat, Jul 5
DCA
Washington
BUF
Buffalo
$209 Roundtrip, found 5 hours ago
$209
Roundtrip
found 5 hours ago
Select JetBlue Airways flight, departing Mon, Jun 30 from Washington to Buffalo, returning Sat, Jul 5, priced at $209 found 5 hours ago
Southwest Airlines
Wed, May 28 - Tue, Jun 3
DCA
Washington
BUF
Buffalo
$303 Roundtrip, found 3 days ago
$303
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Wed, May 28 from Washington to Buffalo, returning Tue, Jun 3, priced at $303 found 3 days ago
Flights from Washington (DCA) to Buffalo (BUF)
Origin airport
Ronald Reagan Washington National
Destination airport
Buffalo Niagara Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$179
Distance
295 mi

Washington to Buffalo Flights

The cheapest times to fly from Washington to Buffalo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Buffalo are during the month of June. You can find some of the cheapest flights from Washington to Buffalo with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Washington to Buffalo

Sunday is one of the best days to book for cheap flights from Washington to Buffalo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Washington to Buffalo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Buffalo in 2025. You can also book with separate airlines for your outbound and return journeys, from $90 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Buffalo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Buffalo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Buffalo Niagara Intl. Airport (BUF) cost?
You can pick up cheap return fares starting from $179 from Ronald Reagan Washington National Airport (DCA) to Buffalo Niagara Intl. Airport (BUF). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a American Airlines flight leaving DCA on May 4 2025 and touching down at BUF. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from DCA to BUF?
The cheapest flights from DCA to BUF are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Ronald Reagan Washington National Airport (DCA) to Buffalo Niagara Intl. Airport (BUF)?
Hop on a nonstop flight with American Airlines and fly straight from Ronald Reagan Washington National Airport (DCA) to Buffalo Niagara Intl. Airport (BUF).
What is the cheapest airline that flies from DCA to BUF?
With prices starting from $91 for a one-way journey from DCA to BUF, American Airlines is currently the cheapest airline flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DCA on July 5 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Buffalo Niagara Intl. Airport (BUF)?
When departing from Ronald Reagan Washington National Airport (DCA), you can take your pick from an average of 3 daily direct flights to Buffalo Niagara Intl. Airport (BUF).
What are the most popular departure times for flights from Ronald Reagan Washington National Airport (DCA) to Buffalo Niagara Intl. Airport (BUF)?
The 10 AM departures from DCA to BUF are the most sought after. These flights can come with a higher price due to their popularity. If you want to save on your fare, pick a less crowded time to fly.
What day of the week has the most flights from DCA to BUF?
If you travel on a Friday, you’ll get the biggest range of choices for flights from Ronald Reagan Washington National Airport (DCA) to Buffalo Niagara Intl. Airport (BUF).
What is the earliest flight from Ronald Reagan Washington National Airport (DCA) to Buffalo Niagara Intl. Airport (BUF)?
Ronald Reagan Washington National Airport (DCA)’s first flight to Buffalo Niagara Intl. Airport (BUF) departs at approximately 10:19AM UTC-5. With a total travel time of 1h 38m, you’ll touch down at around 11:57AM UTC-5.
How long does it take to fly from Ronald Reagan Washington National Airport (DCA) to Buffalo Niagara Intl. Airport (BUF)?
The average flight time from DCA to BUF is 1 hour and 27 minutes, covering a total distance of 300 mi.
What airline has the least delays from DCA to BUF?
American Airlines has the strongest track record for on-time direct flights from Ronald Reagan Washington National Airport (DCA) to Buffalo Niagara Intl. Airport (BUF), with an on-time rating of 81%. Use the Expedia App to look up your journey status before you head off and get immediate updates about any changes.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Buffalo Niagara Intl. Airport (BUF)?
Opt for a flight from Ronald Reagan Washington National Airport (DCA) to Buffalo Niagara Intl. Airport (BUF) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Buffalo from Ronald Reagan Washington National Airport (DCA)?
Buffalo Niagara Intl. Airport (BUF) is the only airport in Buffalo with direct flights from Ronald Reagan Washington National Airport (DCA). Explore the available options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Booking your plane ticket from DCA to BUF just before your journey is generally more expensive. However, if you’re flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a DCA to BUF flight and hotel package?
You’ll typically save money by booking a DCA to BUF flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s simple to manage everything in one place. After choosing your preferred flights and accommodations, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Buffalo Niagara Intl. Airport (BUF)?
It’s generally possible to cancel or reschedule your DCA to BUF flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.