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Cheap flights from Buffalo to Washington, D.C. from $81

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 2/19. 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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Cheap round-trip flights

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United Airlines Logo
2:49 pm - 4:19 pm
BUF
-
IAD
1h 30mnonstop
United Airlines Logo
12:40 pm - 2:14 pm
IAD
-
BUF
1h 34mnonstop
$179United Airlines
Fri, Jan 16 - Tue, Jan 20
United Airlines Logo
2:49 pm - 4:19 pm
BUF
-
IAD
1h 30mnonstop
United Airlines Logo
5:48 pm - 7:25 pm
IAD
-
BUF
1h 37mnonstop
$194United Airlines
Fri, Jan 9 - Sun, Jan 11
Frontier Logo
7:14 pm - 7:51 am
BUF
-
IAD
12h 37m1 stop
Frontier Logo
5:50 pm - 10:49 am
IAD
-
BUF
16h 59m1 stop
$195Frontier
Thu, Jan 15 - Sun, Jan 18
Frontier Logo
8:58 pm - 7:58 pm
BUF
-
IAD
23h 00m1 stop
Frontier Logo
7:27 pm - 9:21 am
IAD
-
BUF
13h 54m1 stop
$198Frontier
Thu, Jan 15 - Sun, Jan 18
Delta Logo
5:50 pm - 10:59 pm
BUF
-
IAD
5h 09m1 stop
Delta Logo
6:00 am - 11:44 am
IAD
-
BUF
5h 44m1 stop
$199Delta
Wed, Mar 11 - Sat, Mar 14
United Airlines Logo
2:49 pm - 4:19 pm
BUF
-
IAD
1h 30mnonstop
United Airlines Logo
10:17 pm - 11:44 pm
IAD
-
BUF
1h 27mnonstop
$211United Airlines
Sun, Jan 11 - Wed, Apr 8
Delta Logo
7:00 am - 11:43 am
BUF
-
IAD
4h 43m1 stop
Delta Logo
7:49 pm - 12:16 am
IAD
-
BUF
4h 27m1 stop
$214Delta
Thu, Jan 8 - Sun, Jan 11
Delta Logo
7:00 am - 11:43 am
BUF
-
IAD
4h 43m1 stop
Delta Logo
6:00 am - 11:27 am
IAD
-
BUF
5h 27m1 stop
$229Delta
Thu, Jan 8 - Sun, Jan 11
Delta Logo
7:00 am - 11:43 am
BUF
-
IAD
4h 43m1 stop
Delta Logo
7:49 pm - 12:16 am
IAD
-
BUF
4h 27m1 stop
$232Delta
Sun, Jan 18 - Sun, Jan 25
United Airlines Logo
9:55 am - 11:33 am
BUF
-
IAD
1h 38mnonstop
United Airlines Logo
12:40 pm - 2:14 pm
IAD
-
BUF
1h 34mnonstop
$239United Airlines
Sat, Jan 24 - Tue, Jan 27

United Airlines flights from Buffalo to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Buffalo to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Jan 16
BUF2:49 pmBuffalo
1h 30m
IAD4:19 pmWashington, D.C. Dulles Intl
Jan 20
IAD12:40 pmWashington, D.C. Dulles Intl
1h 34m
BUF2:14 pmBuffalo
$179
Find similar
United Airlines
Jan 9
BUF2:49 pmBuffalo
1h 30m
IAD4:19 pmWashington, D.C. Dulles Intl
Jan 11
IAD5:48 pmWashington, D.C. Dulles Intl
1h 37m
BUF7:25 pmBuffalo
$194
Find similar
United Airlines
Jan 11
BUF2:49 pmBuffalo
1h 30m
IAD4:19 pmWashington, D.C. Dulles Intl
Apr 8
IAD10:17 pmWashington, D.C. Dulles Intl
1h 27m
BUF11:44 pmBuffalo
$211
Find similar

American Airlines flights from Buffalo to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Buffalo to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Jan 9
BUF6:53 pmBuffalo
4h 19m
1 stop
IAD11:12 pmWashington, D.C. Dulles Intl
Jan 11
IAD1:08 pmWashington, D.C. Dulles Intl
5h 05m
1 stop
BUF6:13 pmBuffalo
$259
Find similar
American Airlines
May 20
BUF6:28 amBuffalo
6h 02m
1 stop
IAD12:30 pmWashington, D.C. Dulles Intl
May 27
IAD6:58 amWashington, D.C. Dulles Intl
3h 41m
1 stop
BUF10:39 amBuffalo
$262
Find similar
American Airlines
Jan 9
BUF6:00 amBuffalo
11h 16m
2 stops
IAD5:16 pmWashington, D.C. Dulles Intl
Jan 12
IAD5:46 pmWashington, D.C. Dulles Intl
5h 55m
1 stop
BUF11:41 pmBuffalo
$264
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Buffalo to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Fri 1/16

2:49 pm-4:19 pm

Nonstop1h 30m

Washington, D.C. Dulles Intl

Tue 1/20

12:40 pm-2:14 pm

Nonstop1h 34m

$179

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Fri 1/9

2:49 pm-4:19 pm

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 1/11

5:48 pm-7:25 pm

Nonstop1h 37m

$194

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Thu 1/15

7:14 pm-7:51 am

1 stop12h 37m

Washington, D.C. Dulles Intl

Sun 1/18

5:50 pm-10:49 am

1 stop16h 59m

$195

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Thu 1/15

8:58 pm-7:58 pm

1 stop23h 00m

Washington, D.C. Dulles Intl

Sun 1/18

7:27 pm-9:21 am

1 stop13h 54m

$198

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Wed 3/11

5:50 pm-10:59 pm

1 stop5h 09m

Washington, D.C. Dulles Intl

Sat 3/14

6:00 am-11:44 am

1 stop5h 44m

$199

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Sun 1/11

2:49 pm-4:19 pm

Nonstop1h 30m

Washington, D.C. Dulles Intl

Wed 4/8

10:17 pm-11:44 pm

Nonstop1h 27m

$211

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Thu 1/8

7:00 am-11:43 am

1 stop4h 43m

Washington, D.C. Dulles Intl

Sun 1/11

7:49 pm-12:16 am

1 stop4h 27m

$214

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Thu 1/8

7:00 am-11:43 am

1 stop4h 43m

Washington, D.C. Dulles Intl

Sun 1/11

6:00 am-11:27 am

1 stop5h 27m

$229

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Sun 1/18

7:00 am-11:43 am

1 stop4h 43m

Washington, D.C. Dulles Intl

Sun 1/25

7:49 pm-12:16 am

1 stop4h 27m

$232

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Sat 1/24

9:55 am-11:33 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Tue 1/27

12:40 pm-2:14 pm

Nonstop1h 34m

$239

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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

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

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

In general, May is the cheapest month to fly from Buffalo to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $243. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of May, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $243.

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

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $434. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Buffalo to Washington, D.C. Dulles Intl Airport for around $883.

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

Flying to Washington, D.C. Dulles Intl Airport from Buffalo in the morning is the least expensive time of day to depart. momondo users have found prices as low as $448 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,079 on average. Flights to Washington, D.C. Dulles Intl Airport from Buffalo at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Fly from Buffalo to Washington, D.C. Dulles Intl for the best Buffalo - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $262 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Buffalo for as low as $213 on momondo.

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

There are 4 cabin classes available to choose from on Buffalo to Washington, D.C. Dulles Intl 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. Dulles Intl Airport flights?

You could potentially save up to 32% on your flight if you consider stops on a Buffalo to Washington, D.C. Dulles Intl Airport flight.

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

As of December 2025, prices for Buffalo to Washington, D.C. Dulles Intl Airport flights are approximately 12% cheaper when compared to flights at the same time last year.

When to book flights from Buffalo to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport (BUF to IAD) flight deals and tips

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

Best Price Found

$193

Fastest flight time

1h 19m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Buffalo in the past 72 hours is $193. The best round-trip flight deal from Buffalo to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $274.
The fastest flight from Buffalo to Washington, D.C. Dulles Intl Airport takes 1h 19m
Direct flights go from Buffalo to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • How far is Buffalo to Washington, D.C. Dulles Intl by plane?

    Washington, D.C. Dulles Intl is 281.9 mi away from Buffalo. In terms of flight time, this usually takes a little over 1h 19m.

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

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

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

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

    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. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Buffalo to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Buffalo to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Buffalo to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Buffalo to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $187Free CancellationRating
7.4
9,105 reviews
Search United Airlines flights

  • United Airlines Flights From Buffalo to Washington, D.C. Dulles Intl Airport

    United Airlines operates around 19 flights from Buffalo to Washington, D.C. Dulles Intl Airport every week. The average price of these flights found in the last 72 hours has been $270, but momondo users have found United Airlines deals from Buffalo to Washington, D.C. Dulles Intl Airport from as low as $187 round-trip. United Airlines has been scored 7.4/10 in 9,105 reviews.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Harpers Ferry
Gaithersburg
Reston
Manassas
Sterling
Fairfax

Why use momondo?

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

Finding the right flight to Washington, D.C. from Buffalo is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Washington, D.C. from Buffalo which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Buffalo to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Washington, D.C. from Buffalo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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