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Cheap flights from Washington, D.C. Dulles Intl Airport to Buffalo from $55

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 1/12. 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.
Frontier Logo
9:20 pm - 2:15 pmIAD-BUF
16h 55m1 stop
Frontier Logo
11:40 am - 11:05 pmBUF-IAD
11h 25m1 stop
$196Frontier
Find Deal
Fri, Dec 12 - Mon, Dec 15
United Airlines Logo
12:50 pm - 2:22 pmIAD-BUF
1h 32mnonstop
United Airlines Logo
3:00 pm - 4:21 pmBUF-IAD
1h 21mnonstop
$197United Airlines
Find Deal
Fri, Dec 12 - Sun, Dec 14
Delta Logo
7:59 pm - 12:16 amIAD-BUF
4h 17m1 stop
Delta Logo
6:12 am - 10:26 amBUF-IAD
4h 14m1 stop
$199Delta
Find Deal
Thu, Dec 11 - Sun, Dec 14
Frontier Logo
8:40 am - 10:45 amIAD-BUF
26h 05m2 stops
Frontier Logo
12:35 pm - 11:10 pmBUF-IAD
10h 35m1 stop
$202Frontier
Find Deal
Wed, Nov 19 - Thu, Dec 4
Frontier Logo
6:00 am - 1:37 pmIAD-BUF
7h 37m1 stop
Frontier Logo
7:12 pm - 7:51 pmBUF-IAD
24h 39m1 stop
$206Frontier
Find Deal
Thu, Nov 13 - Sat, Nov 15
Frontier Logo
8:36 pm - 11:44 amIAD-BUF
15h 08m1 stop
Frontier Logo
11:40 am - 7:50 amBUF-IAD
20h 10m1 stop
$208Frontier
Find Deal
Sun, Nov 16 - Thu, Nov 20
United Airlines Logo
8:25 am - 9:49 amIAD-BUF
1h 24mnonstop
United Airlines Logo
10:37 am - 11:51 amBUF-IAD
1h 14mnonstop
$213United Airlines
Find Deal
Wed, Nov 26 - Fri, Nov 28
Delta Logo
6:00 am - 12:31 pmIAD-BUF
6h 31m1 stop
Delta Logo
5:50 pm - 11:08 pmBUF-IAD
5h 18m1 stop
$214Delta
Find Deal
Tue, Nov 18 - Wed, Dec 3
American Airlines Logo
8:09 pm - 12:08 amIAD-BUF
3h 59m1 stop
American Airlines Logo
6:05 am - 1:12 pmBUF-IAD
7h 07m1 stop
$259American Airlines
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Fri, Nov 21 - Sun, Nov 23
American Airlines Logo
8:09 pm - 12:08 amIAD-BUF
3h 59m1 stop
American Airlines Logo
6:33 pm - 11:07 pmBUF-IAD
4h 34m1 stop
$299American Airlines
Find Deal
Sat, Nov 15 - Tue, Nov 18

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

Our best Frontier deals on Washington, D.C. Dulles Intl Airport to Buffalo flight tickets
Frontier
Dec 12
IAD9:20 pmWashington, D.C. Dulles Intl
16h 55m
1 stop
BUF2:15 pmBuffalo
Dec 15
BUF11:40 amBuffalo
11h 25m
1 stop
IAD11:05 pmWashington, D.C. Dulles Intl
$196
Find similar
Frontier
Nov 19
IAD8:40 amWashington, D.C. Dulles Intl
26h 05m
2 stops
BUF10:45 amBuffalo
Dec 4
BUF12:35 pmBuffalo
10h 35m
1 stop
IAD11:10 pmWashington, D.C. Dulles Intl
$202
Find similar
Frontier
Nov 13
IAD6:00 amWashington, D.C. Dulles Intl
7h 37m
1 stop
BUF1:37 pmBuffalo
Nov 15
BUF7:12 pmBuffalo
24h 39m
1 stop
IAD7:51 pmWashington, D.C. Dulles Intl
$206
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
Dec 12
IAD12:50 pmWashington, D.C. Dulles Intl
1h 32m
BUF2:22 pmBuffalo
Dec 14
BUF3:00 pmBuffalo
1h 21m
IAD4:21 pmWashington, D.C. Dulles Intl
$197
Find similar
United Airlines
Nov 26
IAD8:25 amWashington, D.C. Dulles Intl
1h 24m
BUF9:49 amBuffalo
Nov 28
BUF10:37 amBuffalo
1h 14m
IAD11:51 amWashington, D.C. Dulles Intl
$213
Find similar
United Airlines
Nov 27
IAD12:48 pmWashington, D.C. Dulles Intl
1h 32m
BUF2:20 pmBuffalo
Nov 30
BUF7:30 pmBuffalo
1h 24m
IAD8:54 pmWashington, D.C. Dulles Intl
$216
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 November 3, 2025.
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

Fri 12/12

9:20 pm-2:15 pm

1 stop16h 55m

Buffalo

Mon 12/15

11:40 am-11:05 pm

1 stop11h 25m

$196

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Fri 12/12

12:50 pm-2:22 pm

Nonstop1h 32m

Buffalo

Sun 12/14

3:00 pm-4:21 pm

Nonstop1h 21m

$197

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Thu 12/11

7:59 pm-12:16 am

1 stop4h 17m

Buffalo

Sun 12/14

6:12 am-10:26 am

1 stop4h 14m

$199

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Wed 11/19

8:40 am-10:45 am

2 stops26h 05m

Buffalo

Thu 12/4

12:35 pm-11:10 pm

1 stop10h 35m

$202

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Thu 11/13

6:00 am-1:37 pm

1 stop7h 37m

Buffalo

Sat 11/15

7:12 pm-7:51 pm

1 stop24h 39m

$206

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Sun 11/16

8:36 pm-11:44 am

1 stop15h 08m

Buffalo

Thu 11/20

11:40 am-7:50 am

1 stop20h 10m

$208

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Wed 11/26

8:25 am-9:49 am

Nonstop1h 24m

Buffalo

Fri 11/28

10:37 am-11:51 am

Nonstop1h 14m

$213

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Tue 11/18

6:00 am-12:31 pm

1 stop6h 31m

Buffalo

Wed 12/3

5:50 pm-11:08 pm

1 stop5h 18m

$214

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Fri 11/21

8:09 pm-12:08 am

1 stop3h 59m

Buffalo

Sun 11/23

6:05 am-1:12 pm

1 stop7h 07m

$259

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Sat 11/15

8:09 pm-12:08 am

1 stop3h 59m

Buffalo

Tue 11/18

6:33 pm-11:07 pm

1 stop4h 34m

$299

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 January, then book flights to Buffalo from Washington, D.C. Dulles Intl Airport during March instead. Flights to Buffalo in March, while not as cheap as those in January, still average around $259.

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 $276. Flights from Washington, D.C. Dulles Intl Airport to Buffalo on a Sunday will generally be more expensive and average around $334. 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 $279. 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 $327 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 $306 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?

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

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

As of November 2025, prices for Washington, D.C. Dulles Intl Airport to Buffalo flights are approximately 5% cheaper 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

$203

Fastest flight time

1h 23m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun

Airports in Buffalo

1 airport
The best one-way flight to Buffalo from Washington, D.C. Dulles Intl Airport in the past 72 hours is $203. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Buffalo found on momondo in the last 72 hours is $232.
The fastest flight from Washington, D.C. Dulles Intl Airport to Buffalo takes 1h 23m
Direct flights go from Washington, D.C. Dulles Intl Airport to Buffalo on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is United Airlines.
There is 1 airport near Buffalo: 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 23m 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
8,997 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 12 times per week, with 8,997 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 $312 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
East Aurora
Bowmansville
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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