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Cheap flights from Buffalo to Washington, D.C. from $69

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 5/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:41 pm - 11:09 pm
BUF
-
IAD
10h 28m
1 stop
Frontier Logo
5:26 pm - 1:54 pm
IAD
-
BUF
20h 28m
1 stop
$200Frontier
Sat, May 9 - Tue, May 19
Frontier Logo
1:02 pm - 12:36 am
BUF
-
IAD
11h 34m
1 stop
Frontier Logo
6:05 am - 12:42 pm
IAD
-
BUF
6h 37m
1 stop
$201Frontier
Fri, Apr 10 - Tue, Apr 14
Frontier Logo
1:08 pm - 12:36 am
BUF
-
IAD
11h 28m
1 stop
Frontier Logo
6:20 am - 10:34 am
IAD
-
BUF
28h 14m
2 stops
$202Frontier
Thu, Apr 30 - Sun, May 3
Frontier Logo
12:32 pm - 12:36 am
BUF
-
IAD
12h 04m
1 stop
Frontier Logo
7:15 am - 11:40 am
IAD
-
BUF
28h 25m
1 stop
$203Frontier
Mon, Apr 20 - Wed, Apr 22
Frontier Logo
2:49 pm - 11:09 pm
BUF
-
IAD
8h 20m
1 stop
Frontier Logo
7:45 am - 6:59 pm
IAD
-
BUF
11h 14m
2 stops
$204Frontier
Wed, May 27 - Tue, Jun 2
Frontier Logo
2:50 pm - 11:17 pm
BUF
-
IAD
8h 27m
1 stop
Frontier Logo
7:30 am - 1:55 pm
IAD
-
BUF
6h 25m
1 stop
$210Frontier
Wed, Jun 10 - Fri, Jun 12
Frontier Logo
11:36 am - 11:09 pm
BUF
-
IAD
11h 33m
1 stop
Frontier Logo
5:26 pm - 1:54 pm
IAD
-
BUF
20h 28m
1 stop
$212Frontier
Tue, May 12 - Tue, May 19
Frontier Logo
7:52 pm - 12:53 pm
BUF
-
IAD
17h 01m
1 stop
Frontier Logo
8:47 pm - 10:40 am
IAD
-
BUF
13h 53m
1 stop
$213Frontier
Wed, Jun 10 - Sat, Jun 13
Frontier Logo
12:18 pm - 12:36 am
BUF
-
IAD
12h 18m
1 stop
Frontier Logo
9:41 am - 11:47 am
IAD
-
BUF
26h 06m
1 stop
$214Frontier
Fri, Apr 24 - Sun, Apr 26
Frontier Logo
12:07 pm - 12:36 am
BUF
-
IAD
12h 29m
1 stop
Frontier Logo
6:20 am - 12:42 pm
IAD
-
BUF
6h 22m
1 stop
$218Frontier
Sun, Apr 19 - Wed, Apr 29

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
Apr 17
BUF7:28 pmBuffalo
4h 31m
1 stop
IAD11:59 pmWashington, D.C. Dulles Intl
Apr 18
IAD6:25 amWashington, D.C. Dulles Intl
9h 42m
2 stops
BUF4:07 pmBuffalo
$264
American Airlines
May 9
BUF7:28 pmBuffalo
4h 31m
1 stop
IAD11:59 pmWashington, D.C. Dulles Intl
May 12
IAD7:16 amWashington, D.C. Dulles Intl
9h 26m
2 stops
BUF4:42 pmBuffalo
$294

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
Apr 24
BUF7:45 pmBuffalo
1h 20m
IAD9:05 pmWashington, D.C. Dulles Intl
May 1
IAD10:30 pmWashington, D.C. Dulles Intl
1h 25m
BUF11:55 pmBuffalo
$239
United Airlines
May 8
BUF2:45 pmBuffalo
1h 20m
IAD4:05 pmWashington, D.C. Dulles Intl
May 15
IAD10:30 pmWashington, D.C. Dulles Intl
1h 25m
BUF11:55 pmBuffalo
$249
United Airlines
Apr 27
BUF7:45 pmBuffalo
1h 20m
IAD9:05 pmWashington, D.C. Dulles Intl
May 4
IAD10:30 pmWashington, D.C. Dulles Intl
1h 25m
BUF11:55 pmBuffalo
$267

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 March 30, 2026.
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

Cheapest round-trip

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Sat 5/9

12:41 pm-11:09 pm

1 stop10h 28m

Washington, D.C. Dulles Intl

Tue 5/19

5:26 pm-1:54 pm

1 stop20h 28m

$200

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Fri 4/10

1:02 pm-12:36 am

1 stop11h 34m

Washington, D.C. Dulles Intl

Tue 4/14

6:05 am-12:42 pm

1 stop6h 37m

$201

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Thu 4/30

1:08 pm-12:36 am

1 stop11h 28m

Washington, D.C. Dulles Intl

Sun 5/3

6:20 am-10:34 am

2 stops28h 14m

$202

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Mon 4/20

12:32 pm-12:36 am

1 stop12h 04m

Washington, D.C. Dulles Intl

Wed 4/22

7:15 am-11:40 am

1 stop28h 25m

$203

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Wed 5/27

2:49 pm-11:09 pm

1 stop8h 20m

Washington, D.C. Dulles Intl

Tue 6/2

7:45 am-6:59 pm

2 stops11h 14m

$204
Quickest round-trip

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Wed 6/10

2:50 pm-11:17 pm

1 stop8h 27m

Washington, D.C. Dulles Intl

Fri 6/12

7:30 am-1:55 pm

1 stop6h 25m

$210

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Tue 5/12

11:36 am-11:09 pm

1 stop11h 33m

Washington, D.C. Dulles Intl

Tue 5/19

5:26 pm-1:54 pm

1 stop20h 28m

$212

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Wed 6/10

7:52 pm-12:53 pm

1 stop17h 01m

Washington, D.C. Dulles Intl

Sat 6/13

8:47 pm-10:40 am

1 stop13h 53m

$213

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Fri 4/24

12:18 pm-12:36 am

1 stop12h 18m

Washington, D.C. Dulles Intl

Sun 4/26

9:41 am-11:47 am

1 stop26h 06m

$214

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Sun 4/19

12:07 pm-12:36 am

1 stop12h 29m

Washington, D.C. Dulles Intl

Wed 4/29

6:20 am-12:42 pm

1 stop6h 22m

$218

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 typical price of a round-trip flight between Buffalo and Washington, D.C. Dulles Intl Airport?

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 $239. 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 $239.

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 $418. 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 $804.

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 $424 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,192 on average. Flights to Washington, D.C. Dulles Intl Airport from Buffalo in the afternoon 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

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 38% 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 March 2026, prices for Buffalo to Washington, D.C. Dulles Intl Airport flights are approximately 10% more expensive 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

$153

Fastest flight time

1h 16m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Buffalo in the past 72 hours is $153. The best round-trip flight deal from Buffalo to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $341.
The fastest flight from Buffalo to Washington, D.C. Dulles Intl Airport takes 1h 16m
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 16m.

  • 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 $179Free CancellationRating
7.4
9,514 reviews
Search United Airlines flights

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

    United Airlines operates around 21 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 $261, but momondo users have found United Airlines deals from Buffalo to Washington, D.C. Dulles Intl Airport from as low as $179 round-trip. United Airlines has been scored 7.4/10 in 9,514 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
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Sterling
Linthicum Heights
Springfield
Bethesda

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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