What airlines fly to Washington, D.C.?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Washington, D.C. from Buffalo according to our data. American Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 6 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

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

As of July 2026, there are 19 flights per day flying from Buffalo to Washington, D.C.. The most common time of day flights depart is 10:00AM, with 46% of flights taking off at noon.

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

Southwest, Delta, and Frontier 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 week?

The number of flights available between Buffalo and Washington, D.C. is 133 per week as of July 2026. The most frequent departure day is Thu, with 17% of weekly flights leaving 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. refresh daily.

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

As of July 2026, there are 5 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 for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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.

$82 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.

8:55 am - 10:05 am

BUF

BWI

1h 10mnonstop

1:10 pm - 2:20 pm

BWI

BUF

1h 10mnonstop

$163Southwest

Tue, Sep 8 - Tue, Sep 15

8:50 am - 10:05 am

BUF

BWI

1h 15mnonstop

11:35 am - 12:45 pm

BWI

BUF

1h 10mnonstop

$180Southwest

Sat, Aug 29 - Mon, Aug 31

6:27 am - 11:42 am

BUF

BWI

5h 15m

1 stop

5:36 pm - 11:58 pm

BWI

BUF

6h 22m

1 stop

$183Delta

Wed, Aug 26 - Wed, Aug 26

12:02 pm - 4:49 pm

BUF

BWI

4h 47m

1 stop

5:36 pm - 11:09 pm

BWI

BUF

5h 33m

1 stop

$195Delta

Sat, Aug 29 - Mon, Aug 31

1:16 pm - 12:11 am

BUF

BWI

10h 55m

1 stop

10:00 pm - 9:48 am

BWI

BUF

11h 48m

1 stop

$200Frontier

Tue, Oct 6 - Wed, Oct 7

1:40 pm - 9:58 pm

BUF

BWI

8h 18m

1 stop

6:38 am - 12:55 pm

BWI

BUF

6h 17m

1 stop

$200Frontier

Wed, Sep 9 - Wed, Sep 16

6:12 am - 7:35 am

BUF

IAD

1h 23mnonstop

10:18 pm - 11:44 pm

IAD

BUF

1h 26mnonstop

$245United Airlines

Thu, Aug 13 - Mon, Aug 17

6:12 am - 7:35 am

BUF

IAD

1h 23mnonstop

12:50 pm - 2:18 pm

IAD

BUF

1h 28mnonstop

$247United Airlines

Thu, Aug 20 - Sun, Aug 23

6:00 am - 7:28 am

BUF

DCA

1h 28mnonstop

10:20 pm - 11:46 pm

DCA

BUF

1h 26mnonstop

$249American Airlines

Fri, Oct 9 - Sun, Oct 11

6:21 pm - 8:10 pm

BUF

DCA

1h 49mnonstop

10:18 am - 11:43 am

DCA

BUF

1h 25mnonstop

$249American Airlines

Fri, Nov 6 - Sun, Nov 8

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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

Aug 20

BUF6:12 amBuffalo

1h 23m

IAD7:35 amWashington, D.C. Dulles Intl

Aug 23

IAD12:50 pmWashington, D.C. Dulles Intl

1h 28m

BUF2:18 pmBuffalo

$247

United Airlines

Aug 21

BUF6:12 amBuffalo

1h 23m

IAD7:35 amWashington, D.C. Dulles Intl

Aug 23

IAD12:50 pmWashington, D.C. Dulles Intl

1h 28m

BUF2:18 pmBuffalo

$249

United Airlines

Aug 29

BUF7:59 pmBuffalo

1h 20m

IAD9:19 pmWashington, D.C. Dulles Intl

Aug 31

IAD10:18 pmWashington, D.C. Dulles Intl

1h 26m

BUF11:44 pmBuffalo

$250

Frontier flights from Buffalo to Washington, D.C.

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

Frontier

Sep 9

BUF1:40 pmBuffalo

8h 18m

1 stop

BWI9:58 pmBaltimore/Washington

Sep 16

BWI6:38 amBaltimore/Washington

6h 17m

1 stop

BUF12:55 pmBuffalo

$200

Frontier

Sep 8

BUF11:36 amBuffalo

6h 07m

1 stop

BWI5:43 pmBaltimore/Washington

Sep 15

BWI10:23 amBaltimore/Washington

7h 11m

1 stop

BUF5:34 pmBuffalo

$201

Frontier

Aug 21

BUF11:36 amBuffalo

6h 07m

1 stop

BWI5:43 pmBaltimore/Washington

Aug 23

BWI9:32 pmBaltimore/Washington

12h 57m

1 stop

BUF10:29 amBuffalo

$210

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BuffaloBaltimore

BUF - BWI

BUFBWI

Buffalo

Tue 9/8

8:55 am-10:05 am

Nonstop1h 10m

Baltimore/Washington

Tue 9/15

1:10 pm-2:20 pm

Nonstop1h 10m

$163

BuffaloBaltimore

BUF - BWI

BUFBWI

Buffalo

Sat 8/29

8:50 am-10:05 am

Nonstop1h 15m

Baltimore/Washington

Mon 8/31

11:35 am-12:45 pm

Nonstop1h 10m

$180

BuffaloBaltimore

BUF - BWI

BUFBWI

Buffalo

Wed 8/26

6:27 am-11:42 am

1 stop5h 15m

Baltimore/Washington

Wed 8/26

5:36 pm-11:58 pm

1 stop6h 22m

$183

BuffaloBaltimore

BUF - BWI

BUFBWI

Buffalo

Sat 8/29

12:02 pm-4:49 pm

1 stop4h 47m

Baltimore/Washington

Mon 8/31

5:36 pm-11:09 pm

1 stop5h 33m

$195

BuffaloBaltimore

BUF - BWI

BUFBWI

Buffalo

Tue 10/6

1:16 pm-12:11 am

1 stop10h 55m

Baltimore/Washington

Wed 10/7

10:00 pm-9:48 am

1 stop11h 48m

$200

BuffaloBaltimore

BUF - BWI

BUFBWI

Buffalo

Wed 9/9

1:40 pm-9:58 pm

1 stop8h 18m

Baltimore/Washington

Wed 9/16

6:38 am-12:55 pm

1 stop6h 17m

$200

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Thu 8/13

6:12 am-7:35 am

Nonstop1h 23m

Washington, D.C. Dulles Intl

Mon 8/17

10:18 pm-11:44 pm

Nonstop1h 26m

$245

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Thu 8/20

6:12 am-7:35 am

Nonstop1h 23m

Washington, D.C. Dulles Intl

Sun 8/23

12:50 pm-2:18 pm

Nonstop1h 28m

$247

BuffaloWashington, D.C.

BUF - DCA

BUFDCA

Buffalo

Fri 10/9

6:00 am-7:28 am

Nonstop1h 28m

Washington, D.C. Reagan-National

Sun 10/11

10:20 pm-11:46 pm

Nonstop1h 26m

$249

BuffaloWashington, D.C.

BUF - DCA

BUFDCA

Buffalo

Fri 11/6

6:21 pm-8:10 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Sun 11/8

10:18 am-11:43 am

Nonstop1h 25m

$249

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

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 $197 to $309.
The lowest price recently found on this route was $163.

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

The month of January is, on average, the cheapest month to fly to Washington, D.C. from Buffalo, with most prices found around $257. If you’re not able to fly to Washington, D.C. in January, then December is your next best option. Flight prices from Buffalo to Washington, D.C. during December average around $272.

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

On average, the least expensive day to fly to Washington, D.C. from Buffalo is on a Friday. momondo users have found tickets for Friday departures for as low as $361. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Buffalo to Washington, D.C. for around $525.

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 $371. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $831. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 4 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?

No. A direct flight is the cheapest option for a flight between Buffalo to Washington, D.C..

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

As of July 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	$154
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 $154. The best round-trip flight deal from Buffalo to Washington, D.C. found on momondo in the last 72 hours is $284.

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?
There are 291.2 mi between Buffalo and Washington, D.C.. 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. refresh daily.
How many operators does momondo search for flights from Buffalo Airport to Washington, D.C.?
As of July 2026, there are 5 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 for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 this flight route, the most popular plane model on flight routes from Buffalo to Washington, D.C. is Embraer ERJ-135 / ERJ-140 / ERJ-145 (14.39% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (11.98%), Embraer 175 (Enhanced Winglets) (10.78%), and Canadair (Bombardier) Regional Jet 900 (8.84%).
What is the most popular airline from Buffalo to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Buffalo to Washington, D.C. is American Airlines (58% of total bookings). The next most popular airlines are United Airlines (29%), Southwest (10%), and JetBlue (3%).

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
Frontier	PriceFrom $156	Free Cancellation	Rating 5.6 2,755 reviews	Search Frontier flights
JetBlue	PriceFrom $182	Free Cancellation	Rating 7.1 3,026 reviews	Search JetBlue flights
United Airlines	PriceFrom $189	Free Cancellation	Rating 7.4 10,042 reviews	Search United Airlines flights
American Airlines	PriceFrom $193	Free Cancellation	Rating 7.1 11,842 reviews	Search American Airlines flights
Southwest	PriceFrom $235	Free Cancellation	Rating 8.0 4,229 reviews	Search Southwest flights

United Airlines Flights From Buffalo to Washington, D.C.
United Airlines flies from Buffalo to Washington, D.C. around 21 times per week, with 10,042 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Buffalo to Washington, D.C. in the last 72 hours was $189 (round-trip), much lower than the average airfare cost of $298 for United Airlines flights on this route.
American Airlines Flights From Buffalo to Washington, D.C.
$193 is the best American Airlines flight deal from Buffalo to Washington, D.C. found on momondo over the last 72 hours. The average American Airlines ticket price found was closer to $307, however, with flight time and availability significantly affecting the price. American Airlines (7.1/10 from 11,842 user reviews) flies into Washington, D.C. from Buffalo 20 times in an average week so prices can vary.

Alexandria

National Harbor

Arlington

Gettysburg

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Linthicum Heights

Rockville

Manassas

Silver Spring

Towson

Colonial Beach

Springfield

Fairfax

Tysons

Bethesda

Edgewood

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Buffalo.

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

All flight searches from Buffalo to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Buffalo to Washington, D.C..

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

Price alerts on flights to Washington, D.C. from Buffalo are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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

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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 $82

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 8/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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

Frontier flights from Buffalo to Washington, D.C.

Our best Frontier 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.?

What airlines fly 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

Traveling 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 22.4 mi from Washington, D.C.

Fly your favorite 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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