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$69+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BUF
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Buffalo are usually found in January or April, booked 26 days in advance, depart on a Tuesday or Monday and return on a Saturday

Cheap 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 2, 2025.

Round-trip from

$192
(American Airlines)

One-way from

$69
(American Airlines)

Popular in

August

Cheapest in

January

Average price

$336

Good round-trip deal

$259 or less

Good one-way deal

$151 or less
From Washington, D.C. Reagan-National to Buffalo
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One-way flight from Washington, D.C. Reagan-National to Buffalo
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Highest demand for flights based on searches. 11% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Buffalo.
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Price to beat on a one-way flight from Washington, D.C. Reagan-National to Buffalo.
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Find 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 2, 2025.

This American Airlines deal was found by Cheapflights users on 6/30. 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 8/1410:00 pmDCA - BUF
Nonstop1h 31mAmerican Airlines
Thu 8/215:30 amBUF - DCA
Nonstop1h 20mAmerican Airlines
Deal found 6/30$192
This Delta deal was found by Cheapflights users on 6/30. 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 8/128:45 amDCA - BUF
1 stop4h 54mDelta
Wed 8/136:04 amBUF - DCA
1 stop3h 43mDelta
Deal found 6/30$198
This United Airlines deal was found by Cheapflights users on 6/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/285:15 pmDCA - BUF
1 stop6h 23mUnited Airlines
Mon 8/46:00 amBUF - DCA
1 stop4h 27mUnited Airlines
Deal found 6/29$206
This JetBlue deal was found by Cheapflights users on 6/30. 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 9/125:42 pmDCA - BUF
1 stop4h 18mJetBlue
Sun 9/143:55 pmBUF - DCA
1 stop7h 01mJetBlue
Deal found 6/30$219

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 2, 2025.
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

Reagan-National

Fly to

Buffalo

Route

Depart

Return

Price

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Thu 8/14

10:00 pm-11:31 pm

Nonstop1h 31m

Buffalo

Thu 8/21

5:30 am-6:50 am

Nonstop1h 20m

$192

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Tue 8/12

8:45 am-1:39 pm

1 stop4h 54m

Buffalo

Wed 8/13

6:04 am-9:47 am

1 stop3h 43m

$198

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Mon 7/28

5:15 pm-11:38 pm

1 stop6h 23m

Buffalo

Mon 8/4

6:00 am-10:27 am

1 stop4h 27m

$206

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Fri 9/12

5:42 pm-10:00 pm

1 stop4h 18m

Buffalo

Sun 9/14

3:55 pm-10:56 pm

1 stop7h 01m

$219

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Tue 8/5

10:42 pm-11:59 pm

Nonstop1h 17m

$69

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Tue 8/5

6:05 am-12:10 pm

1 stop6h 05m

$89

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Thu 8/28

6:00 am-1:50 pm

1 stop7h 50m

$94

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Fri 8/15

6:30 am-11:56 am

1 stop5h 26m

$120

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Mon 8/25

7:00 am-4:00 pm

1 stop9h 00m

$145

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Fri 10/31

7:00 pm-10:58 pm

1 stop3h 58m

$221

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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?

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Buffalo. Price data was last updated on June 27, 2025.

The best time to book flights from Washington, D.C. Reagan-National Airport to Buffalo is 26 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, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Buffalo (average of $256). Flying from Washington, D.C. Reagan-National Airport to Buffalo in December is currently the most expensive (average of $337). 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 2, 2025.

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 in the afternoon.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Buffalo?

Use this chart to determine the cheapest time to fly round-trip from Reagan-National to Buffalo. Price data was last updated on June 29, 2025.

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Buffalo flight should consider departing on Monday evenings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 2, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines 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.
Southwest
8.0
Very good
4,272 reviews

Food

7.0

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Food

7.0

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,983 reviews
Southwest
8.0
Very good
4,272 reviews

Food

7.0

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,861 reviews
Southwest
8.0
Very good
4,272 reviews

Food

7.0

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
JetBlue
7.3
Good
2,918 reviews
Southwest
8.0
Very good
4,272 reviews

Food

7.0

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,272 reviews

Food

7.0

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 1 airline has 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.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Buffalo round-trip?

    American Airlines, at $192, was found to be the cheapest airline from Washington, D.C. Reagan-National Airport to Buffalo.Alternate airlines to your destination round-trip include Delta and United Airlines. These flights start at 36% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Buffalo one-way?

    $69 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and Southwest, with prices starting from $89 and $94, respectively.

  • 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 (93%), Republic Airways (69%), American Airlines (62%).

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

    On average you can expect to pay $306 for a flight from Washington, D.C. Reagan-National Airport to Buffalo. The cheapest flight overall is $115 while the most popular route, (Washington, D.C. Reagan-National - Buffalo) is currently priced at $177.

  • 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, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Buffalo (average of $256). Flying from Washington, D.C. Reagan-National Airport to Buffalo in December is currently the most expensive (average of $337). 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
Williamsville
Orchard Park
Batavia
Eden
Amherst
West Seneca

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Alternative routes for Reagan-National to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.
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Reagan-National to John F Kennedy Intl flights
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Baltimore to White Plains flights
Dulles Intl to Ithaca flights
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Dulles Intl to Plattsburgh flights
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Baltimore to Ithaca flights
Dulles Intl to Saranac Lake flights
Baltimore to Stewart flights
Reagan-National to Watertown flights
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Baltimore to Elmira flights
Baltimore to Niagara Falls flights
Dulles Intl to Watertown flights
Dulles Intl to Elmira flights
Baltimore to Watertown flights
Dulles Intl to Binghamton flights
Dulles Intl to Rutland flights
Baltimore to Plattsburgh flights
Baltimore to Binghamton flights
Reagan-National to Binghamton flights
Baltimore to Saranac Lake flights
Reagan-National to Stewart flights

Top airline flying from Reagan-National to Buffalo

Discover the top airline 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 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$184Average$299FlexibilityNo cancel feeOn-time71%

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