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Cheap flights from Buffalo to Washington, D.C. from $96

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 9/17. 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

Discover deals from 900+ travel sites with momondo.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:34 am - 11:50 am
BUF
-
IAD
1h 16mnonstop
United Airlines Logo
10:26 pm - 11:58 pm
IAD
-
BUF
1h 32mnonstop
$239United Airlines
Thu, Aug 6 - Mon, Aug 10
Frontier Logo
2:48 pm - 10:55 pm
BUF
-
IAD
8h 07m
1 stop
Frontier Logo
7:49 am - 1:53 pm
IAD
-
BUF
6h 04m
1 stop
$240Frontier
Fri, Jul 24 - Mon, Jul 27
Frontier Logo
1:16 pm - 12:28 am
BUF
-
IAD
11h 12m
1 stop
Frontier Logo
7:00 am - 12:21 pm
IAD
-
BUF
5h 21m
1 stop
$241Frontier
Fri, Sep 11 - Mon, Sep 14
Frontier Logo
2:48 pm - 7:38 pm
BUF
-
IAD
28h 50m
2 stops
Frontier Logo
8:39 pm - 10:29 am
IAD
-
BUF
13h 50m
1 stop
$242Frontier
Wed, Aug 5 - Tue, Aug 25
Frontier Logo
12:28 pm - 7:38 pm
BUF
-
IAD
31h 10m
2 stops
Frontier Logo
7:48 am - 1:53 pm
IAD
-
BUF
6h 05m
1 stop
$244Frontier
Sat, Aug 8 - Wed, Aug 12
United Airlines Logo
10:34 am - 11:50 am
BUF
-
IAD
1h 16mnonstop
United Airlines Logo
10:18 pm - 11:44 pm
IAD
-
BUF
1h 26mnonstop
$246United Airlines
Wed, Aug 5 - Wed, Aug 26
Delta Logo
6:29 am - 10:23 am
BUF
-
IAD
3h 54m
1 stop
Delta Logo
7:19 pm - 12:40 am
IAD
-
BUF
5h 21m
1 stop
$247Delta
Wed, Jul 29 - Tue, Aug 4
United Airlines Logo
10:34 am - 11:50 am
BUF
-
IAD
1h 16mnonstop
United Airlines Logo
10:26 pm - 11:59 pm
IAD
-
BUF
1h 33mnonstop
$248United Airlines
Fri, Jul 17 - Tue, Jul 21
Frontier Logo
12:28 pm - 10:55 pm
BUF
-
IAD
10h 27m
1 stop
Frontier Logo
11:11 am - 7:06 pm
IAD
-
BUF
7h 55m
1 stop
$249Frontier
Sat, Jul 25 - Wed, Jul 29
United Airlines Logo
3:05 pm - 4:25 pm
BUF
-
IAD
1h 20mnonstop
United Airlines Logo
10:10 pm - 11:36 pm
IAD
-
BUF
1h 26mnonstop
$251United Airlines
Fri, Sep 25 - Mon, Sep 28

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

Our best Frontier deals on Buffalo to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Jul 24
BUF2:48 pmBuffalo
8h 07m
1 stop
IAD10:55 pmWashington, D.C. Dulles Intl
Jul 27
IAD7:49 amWashington, D.C. Dulles Intl
6h 04m
1 stop
BUF1:53 pmBuffalo
$240
Frontier
Sep 11
BUF1:16 pmBuffalo
11h 12m
1 stop
IAD12:28 amWashington, D.C. Dulles Intl
Sep 14
IAD7:00 amWashington, D.C. Dulles Intl
5h 21m
1 stop
BUF12:21 pmBuffalo
$241
Frontier
Aug 5
BUF2:48 pmBuffalo
28h 50m
2 stops
IAD7:38 pmWashington, D.C. Dulles Intl
Aug 25
IAD8:39 pmWashington, D.C. Dulles Intl
13h 50m
1 stop
BUF10:29 amBuffalo
$242

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
Aug 6
BUF10:34 amBuffalo
1h 16m
IAD11:50 amWashington, D.C. Dulles Intl
Aug 10
IAD10:26 pmWashington, D.C. Dulles Intl
1h 32m
BUF11:58 pmBuffalo
$239
United Airlines
Aug 5
BUF10:34 amBuffalo
1h 16m
IAD11:50 amWashington, D.C. Dulles Intl
Aug 26
IAD10:18 pmWashington, D.C. Dulles Intl
1h 26m
BUF11:44 pmBuffalo
$246
United Airlines
Jul 17
BUF10:34 amBuffalo
1h 16m
IAD11:50 amWashington, D.C. Dulles Intl
Jul 21
IAD10:26 pmWashington, D.C. Dulles Intl
1h 33m
BUF11:59 pmBuffalo
$248

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 July 2, 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

Thu 8/6

10:34 am-11:50 am

Nonstop1h 16m

Washington, D.C. Dulles Intl

Mon 8/10

10:26 pm-11:58 pm

Nonstop1h 32m

$239

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Fri 7/24

2:48 pm-10:55 pm

1 stop8h 07m

Washington, D.C. Dulles Intl

Mon 7/27

7:49 am-1:53 pm

1 stop6h 04m

$240

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Fri 9/11

1:16 pm-12:28 am

1 stop11h 12m

Washington, D.C. Dulles Intl

Mon 9/14

7:00 am-12:21 pm

1 stop5h 21m

$241

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Wed 8/5

2:48 pm-7:38 pm

2 stops28h 50m

Washington, D.C. Dulles Intl

Tue 8/25

8:39 pm-10:29 am

1 stop13h 50m

$242

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Sat 8/8

12:28 pm-7:38 pm

2 stops31h 10m

Washington, D.C. Dulles Intl

Wed 8/12

7:48 am-1:53 pm

1 stop6h 05m

$244
Quickest round-trip

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Wed 8/5

10:34 am-11:50 am

Nonstop1h 16m

Washington, D.C. Dulles Intl

Wed 8/26

10:18 pm-11:44 pm

Nonstop1h 26m

$246

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Wed 7/29

6:29 am-10:23 am

1 stop3h 54m

Washington, D.C. Dulles Intl

Tue 8/4

7:19 pm-12:40 am

1 stop5h 21m

$247

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Fri 7/17

10:34 am-11:50 am

Nonstop1h 16m

Washington, D.C. Dulles Intl

Tue 7/21

10:26 pm-11:59 pm

Nonstop1h 33m

$248

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Sat 7/25

12:28 pm-10:55 pm

1 stop10h 27m

Washington, D.C. Dulles Intl

Wed 7/29

11:11 am-7:06 pm

1 stop7h 55m

$249

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Fri 9/25

3:05 pm-4:25 pm

Nonstop1h 20m

Washington, D.C. Dulles Intl

Mon 9/28

10:10 pm-11:36 pm

Nonstop1h 26m

$251

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, March 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 $263. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of March, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $274.

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 $395. 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 $786.

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 $413 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 $1,238 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 Airport flights?

There are 4 cabin classes available to choose from on Buffalo to Washington, D.C. Dulles Intl Airport 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 28% 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 July 2026, prices for Buffalo to Washington, D.C. Dulles Intl Airport flights are approximately 3% 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

$245

Fastest flight time

1h 15m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Buffalo in the past 72 hours is $245. The best round-trip flight deal from Buffalo to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $384.
The fastest flight from Buffalo to Washington, D.C. Dulles Intl Airport takes 1h 15m
Direct flights go from Buffalo to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

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

  • 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 15m.

  • 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 $189Free CancellationRating
7.4
9,926 reviews
Search United Airlines flights

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

    United Airlines operates around 17 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 $295, but momondo users have found United Airlines deals from Buffalo to Washington, D.C. Dulles Intl Airport from as low as $189 round-trip. United Airlines has been scored 7.4/10 in 9,926 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
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Colonial Beach
Towson
Manassas
Silver Spring
Sterling
Tysons
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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