Which airlines fly to Washington, D.C.?

Southwest, American Airlines and United Airlines are the top three most popular airlines that fly to Washington, D.C. from Buffalo according to our data. Southwest is the first choice among our users, with 60% of people opting to fly with this airline when travelling to Washington, D.C.. Keep in mind that there are 3 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Buffalo to Washington, D.C.?

Southwest, Delta, and JetBlue are the most popular carriers operating from Buffalo to Washington, D.C.

How many flights depart from Buffalo to Washington, D.C. on average per day?

The number of flights available between Buffalo and Washington, D.C. is 12 per day as of August 2026. The most frequent departure time is 10:00a.m., with 47% of daily flights leaving at noon.

Which layover airport has the shortest travel time from Buffalo to Washington, D.C.?

Flights connecting via New York (LGA) have the shortest average one-way travel time: 4h 12m.

Which layover airport has the shortest connection time from Buffalo to Washington, D.C.?

Charlotte (CLT) has the shortest average layover time for this route: 1h 08m.

Which layover airport offers the lowest fares from Buffalo to Washington, D.C.?

Flights via New York (LGA) offer the lowest average round-trip price of C$ 457.

Which airport is the most popular layover for flights between Buffalo and Washington, D.C.?

Charlotte (CLT) was the most common stop: 67% of momondo users choosing one-stop flights on this route connected there.

How many flights depart from Buffalo to Washington, D.C. on average per week?

As of August 2026, 90 flights take off from Buffalo and land in Washington, D.C. each week. The most common flight departure day for this route is Fri, with 24% of weekly flights taking off on this day.

When did momondo last update prices for flights from Buffalo Airport to Washington, D.C.?

Prices for flights from Buffalo Airport to Washington, D.C. are refreshed on a daily basis.

How many operators does momondo search for flights from Buffalo Airport to Washington, D.C.?

As of August 2026, there are 3 operators available to choose from for flights from Buffalo Airport to Washington, D.C..

How old do you have to be to fly from Buffalo Airport to Washington, D.C.?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Buffalo Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 115 Cheap Flights from Buffalo to Washington, D.C. in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to Washington, D.C.

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:45 a.m. - 6:55 a.m.

BUF

BWI

1h 10mdirect

4:20 p.m. - 5:40 p.m.

BWI

BUF

1h 20mdirect

C$ 228Southwest

Sat, 12 Sep - Sat, 19 Sep

6:00 a.m. - 7:15 a.m.

BUF

BWI

1h 15mdirect

7:45 p.m. - 9:10 p.m.

BWI

BUF

1h 25mdirect

C$ 228Southwest

Wed, 2 Sep - Wed, 9 Sep

8:55 a.m. - 10:05 a.m.

BUF

BWI

1h 10mdirect

1:10 p.m. - 2:20 p.m.

BWI

BUF

1h 10mdirect

C$ 228Southwest

Tue, 8 Sep - Tue, 15 Sep

12:49 p.m. - 8:44 p.m.

BUF

BWI

7h 55m

1 stop

6:00 a.m. - 12:50 p.m.

BWI

BUF

6h 50m

1 stop

C$ 235Frontier

Thu, 10 Sep - Sat, 12 Sep

1:40 p.m. - 9:58 p.m.

BUF

BWI

8h 18m

1 stop

9:27 a.m. - 5:49 p.m.

BWI

BUF

8h 22m

1 stop

C$ 235Frontier

Wed, 9 Sep - Tue, 22 Sep

1:40 p.m. - 11:04 p.m.

BUF

BWI

9h 24m

1 stop

9:27 a.m. - 5:45 p.m.

BWI

BUF

8h 18m

1 stop

C$ 238Frontier

Fri, 11 Sep - Sun, 13 Sep

7:59 p.m. - 9:17 p.m.

BUF

IAD

1h 18mdirect

10:18 p.m. - 11:44 p.m.

IAD

BUF

1h 26mdirect

C$ 347United Airlines

Fri, 4 Sep - Sun, 6 Sep

3:05 p.m. - 4:25 p.m.

BUF

IAD

1h 20mdirect

10:24 p.m. - 11:50 p.m.

IAD

BUF

1h 26mdirect

C$ 349United Airlines

Wed, 7 Oct - Sun, 11 Oct

5:44 p.m. - 7:15 p.m.

BUF

DCA

1h 31mdirect

3:45 p.m. - 5:14 p.m.

DCA

BUF

1h 29mdirect

C$ 352American Airlines

Wed, 9 Sep - Tue, 22 Sep

5:38 p.m. - 7:15 p.m.

BUF

DCA

1h 37mdirect

3:36 p.m. - 5:08 p.m.

DCA

BUF

1h 32mdirect

C$ 371American Airlines

Wed, 19 Aug - Mon, 24 Aug

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United Airlines flights from Buffalo to Washington, D.C.

Our best United Airlines deals on Buffalo to Washington, D.C. flight tickets

United Airlines

4 Sep

BUF7:59 p.m.Buffalo

1h 18m

IAD9:17 p.m.Washington, D.C. Dulles Intl

6 Sep

IAD10:18 p.m.Washington, D.C. Dulles Intl

1h 26m

BUF11:44 p.m.Buffalo

C$ 347

United Airlines

15 Sep

BUF2:53 p.m.Buffalo

1h 20m

IAD4:13 p.m.Washington, D.C. Dulles Intl

19 Sep

IAD5:40 p.m.Washington, D.C. Dulles Intl

1h 24m

BUF7:04 p.m.Buffalo

C$ 349

United Airlines

27 Aug

BUF7:59 p.m.Buffalo

1h 18m

IAD9:17 p.m.Washington, D.C. Dulles Intl

31 Aug

IAD12:50 p.m.Washington, D.C. Dulles Intl

1h 28m

BUF2:18 p.m.Buffalo

C$ 356

Delta flights from Buffalo to Washington, D.C.

Our best Delta deals on Buffalo to Washington, D.C. flight tickets

Delta

25 Aug

BUF12:02 p.m.Buffalo

4h 47m

1 stop

BWI4:49 p.m.Baltimore/Washington

1 Sep

BWI5:36 p.m.Baltimore/Washington

5h 33m

1 stop

BUF11:09 p.m.Buffalo

C$ 256

Delta

29 Aug

BUF3:54 p.m.Buffalo

5h 34m

1 stop

BWI9:28 p.m.Baltimore/Washington

31 Aug

BWI5:36 p.m.Baltimore/Washington

5h 33m

1 stop

BUF11:09 p.m.Buffalo

C$ 273

Delta

12 Aug

BUF6:01 a.m.Buffalo

4h 14m

1 stop

DCA10:15 a.m.Washington, D.C. Reagan-National

19 Aug

DCA5:40 p.m.Washington, D.C. Reagan-National

5h 49m

1 stop

BUF11:29 p.m.Buffalo

C$ 352

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloBaltimore

BUF - BWI

BUFBWI

Buffalo

Sat 12/9

5:45 a.m.-6:55 a.m.

Nonstop1h 10m

Baltimore/Washington

Sat 19/9

4:20 p.m.-5:40 p.m.

Nonstop1h 20m

C$ 228

BuffaloBaltimore

BUF - BWI

BUFBWI

Buffalo

Wed 2/9

6:00 a.m.-7:15 a.m.

Nonstop1h 15m

Baltimore/Washington

Wed 9/9

7:45 p.m.-9:10 p.m.

Nonstop1h 25m

C$ 228

Quickest round-trip

BuffaloBaltimore

BUF - BWI

BUFBWI

Buffalo

Tue 8/9

8:55 a.m.-10:05 a.m.

Nonstop1h 10m

Baltimore/Washington

Tue 15/9

1:10 p.m.-2:20 p.m.

Nonstop1h 10m

C$ 228

BuffaloBaltimore

BUF - BWI

BUFBWI

Buffalo

Thu 10/9

12:49 p.m.-8:44 p.m.

1 stop7h 55m

Baltimore/Washington

Sat 12/9

6:00 a.m.-12:50 p.m.

1 stop6h 50m

C$ 235

BuffaloBaltimore

BUF - BWI

BUFBWI

Buffalo

Wed 9/9

1:40 p.m.-9:58 p.m.

1 stop8h 18m

Baltimore/Washington

Tue 22/9

9:27 a.m.-5:49 p.m.

1 stop8h 22m

C$ 235

BuffaloBaltimore

BUF - BWI

BUFBWI

Buffalo

Fri 11/9

1:40 p.m.-11:04 p.m.

1 stop9h 24m

Baltimore/Washington

Sun 13/9

9:27 a.m.-5:45 p.m.

1 stop8h 18m

C$ 238

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Fri 4/9

7:59 p.m.-9:17 p.m.

Nonstop1h 18m

Washington, D.C. Dulles Intl

Sun 6/9

10:18 p.m.-11:44 p.m.

Nonstop1h 26m

C$ 347

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Wed 7/10

3:05 p.m.-4:25 p.m.

Nonstop1h 20m

Washington, D.C. Dulles Intl

Sun 11/10

10:24 p.m.-11:50 p.m.

Nonstop1h 26m

C$ 349

BuffaloWashington, D.C.

BUF - DCA

BUFDCA

Buffalo

Wed 9/9

5:44 p.m.-7:15 p.m.

Nonstop1h 31m

Washington, D.C. Reagan-National

Tue 22/9

3:45 p.m.-5:14 p.m.

Nonstop1h 29m

C$ 352

BuffaloWashington, D.C.

BUF - DCA

BUFDCA

Buffalo

Wed 19/8

5:38 p.m.-7:15 p.m.

Nonstop1h 37m

Washington, D.C. Reagan-National

Mon 24/8

3:36 p.m.-5:08 p.m.

Nonstop1h 32m

C$ 371

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Buffalo to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

Other information

What is the typical price of a round-trip flight between Buffalo and Washington, D.C.?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 276 to C$ 433.
The lowest price recently found on this route was C$ 228.

What is the cheapest month to fly to Washington, D.C.?

If you aren’t able to travel during the month of January, then book flights to Washington, D.C. from Buffalo during December instead. Flights to Washington, D.C. in December, while not as cheap as those in January, still average around C$ 381.

What is the cheapest day to depart on your flight to Washington, D.C.?

The cheapest day to depart from Buffalo to Washington, D.C. is on a Tuesday. Travellers who choose to depart for Washington, D.C. on a Tuesday will often find tickets for as low as C$ 481. The most expensive day to fly to Washington, D.C. is Monday, with ticket prices averaging around C$ 1,115.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the morning is the cheapest time of day to fly from Buffalo to Washington, D.C. when you can find flight prices for as low as C$ 504. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Washington, D.C., so prices are often more expensive at around C$ 1,276 per ticket.

What is the cheapest Buffalo to Washington, D.C. flight route?

Fly from Buffalo to Washington, D.C. Reagan-National for the best Buffalo - Washington, D.C. flight prices

What cabin class options are available on Buffalo to Washington, D.C. flights?

There are 3 cabin classes available to choose from on Buffalo to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Buffalo to Washington, D.C. flights?

You could potentially save up to 49% on your flight if you consider stops on a Buffalo to Washington, D.C. flight.

How have Buffalo to Washington, D.C. flight prices changed over time?

As of August 2026, prices for Buffalo to Washington, D.C. flights are approximately 1% cheaper when compared to flights at the same time last year.

When to book flights from Buffalo to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Buffalo to Washington, D.C. (BUF to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Washington, D.C.

Best price found	C$ 229
Fastest flight time	1h 10m
Direct flights	Every day
Airports in Washington, D.C.	2 airports

The best one-way flight to Washington, D.C. from Buffalo in the past 72 hours is C$ 229. The best round-trip flight deal from Buffalo to Washington, D.C. found on momondo in the last 72 hours is C$ 410.

The fastest flight from Buffalo to Washington, D.C. takes 1h 10m

Direct flights go from Buffalo to Washington, D.C. every day.

There are 2 airports in Washington, D.C.. From Buffalo there are direct flights to Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD).

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Frequently asked questions about flying from Buffalo to Washington, D.C.

How far is Buffalo to Washington, D.C. by plane?
Buffalo and Washington, D.C. are 468.6 km apart from one another. 1h 10m is a normal flight duration for this route.
When did momondo last update prices for flights from Buffalo Airport to Washington, D.C.?
Prices for flights from Buffalo Airport to Washington, D.C. are refreshed on a daily basis.
How many operators does momondo search for flights from Buffalo Airport to Washington, D.C.?
As of August 2026, there are 3 operators available to choose from for flights from Buffalo Airport to Washington, D.C..
How old do you have to be to fly from Buffalo Airport to Washington, D.C.?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Buffalo Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Buffalo to Washington, D.C.?
Based on momondo bookings for flights between Buffalo and Washington, D.C., the leading plane model is Embraer ERJ-135 / ERJ-140 / ERJ-145, making up 14.39% of the total bookings. Other popular models include Boeing 737 MAX 8 with 11.98%, Embraer 175 (Enhanced Winglets) with 10.78%, and Canadair (Bombardier) Regional Jet 900 with 8.84%.
What is the most popular airline from Buffalo to Washington, D.C.?
momondo data reveals that the most frequently booked airline on the route from Buffalo to Washington, D.C. is American Airlines, representing 100% of all bookings.

Best airlines flying from Buffalo to Washington, D.C.

Compare and see reviews for airlines that fly from Buffalo to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom C$ 208	Free Cancellation	Rating 7.1 11,845 reviews	Search American Airlines flights
Southwest	PriceFrom C$ 340	Free Cancellation	Rating 8.0 4,229 reviews	Search Southwest flights
United Airlines	PriceFrom C$ 349	Free Cancellation	Rating 7.4 10,062 reviews	Search United Airlines flights

United Airlines Flights From Buffalo to Washington, D.C.
The lowest priced United Airlines flight from Buffalo to Washington, D.C. from the last 72 hours was C$ 349. Generally, United Airlines has 21 flights on this route every week with an average price of C$ 419. United Airlines is rated 7.4/10 by our users.
American Airlines Flights From Buffalo to Washington, D.C.
The best American Airlines deal for Buffalo to Washington, D.C. flight tickets found on momondo in the last 72 hours was C$ 208, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at C$ 367 round-trip. American Airlines operates 12 flights out of Buffalo into Washington, D.C. in an average week, so prices vary by time and availability. 11,845 American Airlines reviews by users on momondo have scored the airline at 7.1/10.

Alexandria

Gettysburg

Arlington

Gaithersburg

Fairfax

National Harbor

Fredericksburg

Herndon

Woodbridge

Silver Spring

Falls Church

Rockville

McLean

Tysons

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Buffalo to Washington, D.C. for you.

Can I find flights from Buffalo to Washington, D.C. with flexible booking policies on momondo?

Flights from Buffalo to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Buffalo to Washington, D.C.?

Once all potential Buffalo to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Buffalo to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Buffalo to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Buffalo to Washington, D.C. from C$ 115

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Washington, D.C. departing on 28/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Buffalo to Washington, D.C.

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United Airlines flights from Buffalo to Washington, D.C.

Our best United Airlines deals on Buffalo to Washington, D.C. flight tickets

Delta flights from Buffalo to Washington, D.C.

Our best Delta deals on Buffalo to Washington, D.C. flight tickets

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Use the filters below to find and compare flights from Buffalo to Washington, D.C. that are best for you.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Buffalo to Washington, D.C.

What is the typical price of a round-trip flight between Buffalo and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

What is the cheapest day to depart on your flight to Washington, D.C.?

What is the cheapest time of day to depart on your flight to Washington, D.C.?

What is the cheapest Buffalo to Washington, D.C. flight route?

What cabin class options are available on Buffalo to Washington, D.C. flights?

Can stopping save me money on Buffalo to Washington, D.C. flights?

How have Buffalo to Washington, D.C. flight prices changed over time?

What is the cheapest airline that flies from Buffalo to Washington, D.C.?

Which airlines fly to Washington, D.C.?

Which airport is the most popular layover for flights between Buffalo and Washington, D.C.?

Which layover airport offers the lowest fares from Buffalo to Washington, D.C.?

Which layover airport has the shortest travel time from Buffalo to Washington, D.C.?

Which layover airport has the shortest connection time from Buffalo to Washington, D.C.?

How many flights depart from Buffalo to Washington, D.C. on average per day?

How many flights depart from Buffalo to Washington, D.C. on average per week?

When to book flights from Buffalo to Washington, D.C.

Cheap Buffalo to Washington, D.C. (BUF to WAS) flight deals and tips

Best price found

Fastest flight time

Direct flights

Airports in Washington, D.C.

Frequently asked questions about flying from Buffalo to Washington, D.C.

Best airlines flying from Buffalo to Washington, D.C.

Compare and see reviews for airlines that fly from Buffalo to Washington, D.C. with momondo

Travelling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 36.1 km from Washington, D.C.

Fly your favourite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular Cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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