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Cheap flights from Washington, D.C. Dulles Intl Airport to Buffalo from $80

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Buffalo departing on 4/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Buffalo

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:40 pm - 2:14 pm
IAD
-
BUF
1h 34mnonstop
United Airlines Logo
2:49 pm - 4:19 pm
BUF
-
IAD
1h 30mnonstop
$179United Airlines
Thu, Jan 29 - Sun, Feb 1
United Airlines Logo
5:48 pm - 7:25 pm
IAD
-
BUF
1h 37mnonstop
United Airlines Logo
9:55 am - 11:33 am
BUF
-
IAD
1h 38mnonstop
$194United Airlines
Sat, Jan 24 - Tue, Jan 27
Delta Logo
6:00 am - 11:45 am
IAD
-
BUF
5h 45m1 stop
Delta Logo
6:03 am - 11:52 am
BUF
-
IAD
5h 49m1 stop
$199Delta
Thu, Jan 29 - Sun, Feb 1
United Airlines Logo
12:40 pm - 2:14 pm
IAD
-
BUF
1h 34mnonstop
United Airlines Logo
9:55 am - 11:33 am
BUF
-
IAD
1h 38mnonstop
$209United Airlines
Fri, Jan 23 - Sun, Jan 25
Delta Logo
12:29 pm - 4:59 pm
IAD
-
BUF
4h 30m1 stop
Delta Logo
6:03 am - 11:52 am
BUF
-
IAD
5h 49m1 stop
$214Delta
Sat, Jan 24 - Tue, Jan 27
United Airlines Logo
5:48 pm - 7:25 pm
IAD
-
BUF
1h 37mnonstop
United Airlines Logo
2:49 pm - 4:19 pm
BUF
-
IAD
1h 30mnonstop
$215United Airlines
Fri, Jan 30 - Sun, Feb 1
Frontier Logo
9:18 am - 12:44 pm
IAD
-
BUF
27h 26m2 stops
Frontier Logo
11:02 am - 12:36 pm
BUF
-
IAD
25h 34m1 stop
$226Frontier
Sun, Feb 1 - Sun, Feb 8
Delta Logo
7:49 pm - 12:16 am
IAD
-
BUF
4h 27m1 stop
Delta Logo
5:44 pm - 11:06 pm
BUF
-
IAD
5h 22m1 stop
$229Delta
Fri, Jan 23 - Sun, Jan 25
United Airlines Logo
10:17 pm - 11:44 pm
IAD
-
BUF
1h 27mnonstop
United Airlines Logo
10:35 am - 11:55 am
BUF
-
IAD
1h 20mnonstop
$233United Airlines
Sat, Apr 4 - Thu, Apr 9
United Airlines Logo
10:15 pm - 11:26 pm
IAD
-
BUF
1h 11mnonstop
United Airlines Logo
6:00 am - 7:19 am
BUF
-
IAD
1h 19mnonstop
$236United Airlines
Thu, May 14 - Sun, May 17

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Buffalo flight tickets
American Airlines
Feb 26
IAD5:00 amWashington, D.C. Dulles Intl
10h 25m
2 stops
BUF3:25 pmBuffalo
Mar 7
BUF6:13 amBuffalo
7h 19m
1 stop
IAD1:32 pmWashington, D.C. Dulles Intl
$264
Find similar
American Airlines
Jan 29
IAD7:01 amWashington, D.C. Dulles Intl
8h 16m
2 stops
BUF3:17 pmBuffalo
Feb 1
BUF6:53 pmBuffalo
4h 19m
1 stop
IAD11:12 pmWashington, D.C. Dulles Intl
$265
Find similar
American Airlines
Feb 19
IAD5:00 amWashington, D.C. Dulles Intl
10h 25m
2 stops
BUF3:25 pmBuffalo
Feb 23
BUF7:00 amBuffalo
9h 16m
2 stops
IAD4:16 pmWashington, D.C. Dulles Intl
$270
Find similar

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Buffalo flight tickets
United Airlines
Jan 29
IAD12:40 pmWashington, D.C. Dulles Intl
1h 34m
BUF2:14 pmBuffalo
Feb 1
BUF2:49 pmBuffalo
1h 30m
IAD4:19 pmWashington, D.C. Dulles Intl
$179
Find similar
United Airlines
Jan 24
IAD5:48 pmWashington, D.C. Dulles Intl
1h 37m
BUF7:25 pmBuffalo
Feb 7
BUF2:49 pmBuffalo
1h 30m
IAD4:19 pmWashington, D.C. Dulles Intl
$194
Find similar
United Airlines
Jan 23
IAD12:40 pmWashington, D.C. Dulles Intl
1h 34m
BUF2:14 pmBuffalo
Jan 25
BUF9:55 amBuffalo
1h 38m
IAD11:33 amWashington, D.C. Dulles Intl
$209
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Buffalo 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 January 6, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Thu 1/29

12:40 pm-2:14 pm

Nonstop1h 34m

Buffalo

Sun 2/1

2:49 pm-4:19 pm

Nonstop1h 30m

$179

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Sat 1/24

5:48 pm-7:25 pm

Nonstop1h 37m

Buffalo

Tue 1/27

9:55 am-11:33 am

Nonstop1h 38m

$194

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Thu 1/29

6:00 am-11:45 am

1 stop5h 45m

Buffalo

Sun 2/1

6:03 am-11:52 am

1 stop5h 49m

$199

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Fri 1/23

12:40 pm-2:14 pm

Nonstop1h 34m

Buffalo

Sun 1/25

9:55 am-11:33 am

Nonstop1h 38m

$209

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Sat 1/24

12:29 pm-4:59 pm

1 stop4h 30m

Buffalo

Tue 1/27

6:03 am-11:52 am

1 stop5h 49m

$214

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Fri 1/30

5:48 pm-7:25 pm

Nonstop1h 37m

Buffalo

Sun 2/1

2:49 pm-4:19 pm

Nonstop1h 30m

$215

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Sun 2/1

9:18 am-12:44 pm

2 stops27h 26m

Buffalo

Sun 2/8

11:02 am-12:36 pm

1 stop25h 34m

$226

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Fri 1/23

7:49 pm-12:16 am

1 stop4h 27m

Buffalo

Sun 1/25

5:44 pm-11:06 pm

1 stop5h 22m

$229

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Sat 4/4

10:17 pm-11:44 pm

Nonstop1h 27m

Buffalo

Thu 4/9

10:35 am-11:55 am

Nonstop1h 20m

$233

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Thu 5/14

10:15 pm-11:26 pm

Nonstop1h 11m

Buffalo

Sun 5/17

6:00 am-7:19 am

Nonstop1h 19m

$236

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 Buffalo from

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

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 Buffalo?

If you aren’t able to travel during the month of March, then book flights to Buffalo from Washington, D.C. Dulles Intl Airport during December instead. Flights to Buffalo in December, while not as cheap as those in March, still average around $268.

What is the cheapest day to depart on your flight to Buffalo?

Our data shows that Tuesday is the least expensive day to fly to Buffalo. Tickets to fly out on this day can be as low as $271. Flights from Washington, D.C. Dulles Intl Airport to Buffalo on a Sunday will generally be more expensive and average around $353. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Buffalo?

In the evening is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Buffalo when you can find flight prices for as low as $272. Flying to Buffalo in the evening is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Buffalo, so prices are often more expensive at around $324 per ticket.

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

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

How far in advance should I book a flight to Buffalo?

You are more likely to see cheaper flights to Buffalo from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Buffalo for around $304 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buffalo from Washington, D.C. Dulles Intl Airport for as low as $209 on momondo.

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

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl to Buffalo 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 Washington, D.C. Dulles Intl Airport to Buffalo flights?

You could potentially save up to 10% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Buffalo flight.

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

As of January 2026, prices for Washington, D.C. Dulles Intl Airport to Buffalo flights are approximately 12% more expensive when compared to flights at the same time last year.

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

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

Cheap Washington, D.C. Dulles Intl Airport to Buffalo (IAD to BUF) flight deals and tips

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

Best Price Found

$239

Fastest flight time

1h 11m

Direct flights

Every day

Airports in Buffalo

1 airport
The best flight deal from Washington, D.C. Dulles Intl Airport to Buffalo found on momondo in the last 72 hours is $239
The fastest flight from Washington, D.C. Dulles Intl Airport to Buffalo takes 1h 11m
Direct flights go from Washington, D.C. Dulles Intl Airport to Buffalo every day.
There is 1 airport in Buffalo. From Washington, D.C. Dulles Intl Airport there are direct flights to Buffalo (BUF).
Search flight deals

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

    The straight-line distance from Washington, D.C. Dulles Intl to Buffalo is 281.9 mi. 1h 11m is a normal flight duration for this route.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Buffalo Airport.

  • What documentation or ID do you need to fly to Buffalo Airport?

    The necessary travel and health documents for your Buffalo Airport 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 Washington, D.C. Dulles Intl Airport to Buffalo?

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

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Buffalo with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $179Free CancellationRating
7.4
9,132 reviews
Search United Airlines flights

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

    United Airlines flies from Washington, D.C. Dulles Intl Airport to Buffalo around 15 times per week, with 9,132 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Washington, D.C. Dulles Intl Airport to Buffalo in the last 72 hours was $179 (round-trip), much lower than the average airfare cost of $311 for United Airlines flights on this route.

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Batavia
Cheektowaga
Amherst
Tonawanda
Grand Island
Williamsville
Orchard Park
Lockport
West Seneca
Bowmansville
East Aurora
Eden
Angola

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Buffalo. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Buffalo from Washington, D.C. with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buffalo from Washington, D.C..

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

Of course. momondo tracks the price of Washington, D.C. to Buffalo flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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