How many flights depart from Washington, D.C. Dulles Intl Airport to Buffalo on average per day?

8 flights are operational daily from Washington, D.C. Dulles Intl Airport to Buffalo as of August 2026. The most popular departure time for this route is 5:00PM, with 63% of flights per day taking off in the afternoon.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Buffalo?

Frontier and United Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Buffalo

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 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.

$83 Cheap Flights from Washington, D.C. Dulles Intl Airport to Buffalo in 2026

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Buffalo on average per week?

As of August 2026, 56 flights take off from Washington, D.C. Dulles Intl Airport and land in Buffalo each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 pm - 12:40 am-

5h 25m

6:40 am - 10:23 am-

3h 43m

$258Delta

Thu, Sep 3 - Sun, Sep 6

8:25 am - 9:48 am-

1h 23mnonstop

6:12 am - 7:35 am-

1h 23mnonstop

$260United Airlines

Thu, Aug 27 - Sun, Aug 30

7:48 am - 1:53 pm-

6h 05m

11:36 am - 5:14 pm-

5h 38m

$260Frontier

Mon, Aug 17 - Tue, Aug 18

8:39 pm - 8:44 pm-

24h 05m

11:36 am - 5:14 pm-

5h 38m

$260Frontier

Wed, Aug 26 - Sat, Aug 29

8:25 am - 9:48 am-

1h 23mnonstop

6:12 am - 7:35 am-

1h 23mnonstop

$260United Airlines

Thu, Aug 27 - Mon, Aug 31

12:50 pm - 2:20 pm-

1h 30mnonstop

6:00 am - 7:28 am-

1h 28mnonstop

$260United Airlines

Wed, Oct 28 - Sun, Nov 8

8:39 pm - 10:29 am-

13h 50m

9:29 pm - 2:12 pm-

16h 43m

$261Multiple Airlines

Sat, Sep 5 - Sun, Sep 6

9:54 pm - 6:09 pm-

20h 15m

11:36 am - 5:14 pm-

5h 38m

$261Frontier

Fri, Sep 4 - Sun, Sep 6

7:50 am - 12:55 pm-

5h 05m

1:45 pm - 10:27 am-

20h 42m

$263Frontier

Sat, Sep 19 - Sat, Sep 26

8:33 pm - 10:29 am-

13h 56m

11:36 am - 10:52 pm-

11h 16m

$264Frontier

Sat, Aug 15 - Tue, Aug 18

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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

Aug 14

IAD7:48 amWashington, D.C. Dulles Intl

6h 05m

1 stop

BUF1:53 pmBuffalo

Aug 17

BUF7:57 pmBuffalo

14h 10m

1 stop

IAD10:07 amWashington, D.C. Dulles Intl

$257

Frontier

Aug 10

IAD7:48 amWashington, D.C. Dulles Intl

6h 05m

1 stop

BUF1:53 pmBuffalo

Aug 13

BUF9:33 pmBuffalo

12h 52m

1 stop

IAD10:25 amWashington, D.C. Dulles Intl

$260

Frontier

Sep 4

IAD9:54 pmWashington, D.C. Dulles Intl

20h 15m

1 stop

BUF6:09 pmBuffalo

Sep 6

BUF11:36 amBuffalo

5h 38m

1 stop

IAD5:14 pmWashington, D.C. Dulles Intl

$261

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Buffalo flight tickets

Delta

Sep 3

IAD7:15 pmWashington, D.C. Dulles Intl

5h 25m

1 stop

BUF12:40 amBuffalo

Sep 6

BUF6:40 amBuffalo

3h 43m

1 stop

IAD10:23 amWashington, D.C. Dulles Intl

$258

Delta

Aug 28

IAD6:10 amWashington, D.C. Dulles Intl

5h 12m

1 stop

BUF11:22 amBuffalo

Aug 31

BUF6:40 amBuffalo

3h 43m

1 stop

IAD10:23 amWashington, D.C. Dulles Intl

$269

Delta

Aug 16

IAD7:19 pmWashington, D.C. Dulles Intl

5h 21m

1 stop

BUF12:40 amBuffalo

Aug 24

BUF7:00 amBuffalo

4h 49m

1 stop

IAD11:49 amWashington, D.C. Dulles Intl

$284

momondo Fare Finder

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

Cheapest round-trip

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Thu 9/3

7:15 pm-12:40 am

1 stop5h 25m

Buffalo

Sun 9/6

6:40 am-10:23 am

1 stop3h 43m

$258

Quickest round-trip

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Thu 8/27

8:25 am-9:48 am

Nonstop1h 23m

Buffalo

Sun 8/30

6:12 am-7:35 am

Nonstop1h 23m

$260

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Mon 8/17

7:48 am-1:53 pm

1 stop6h 05m

Buffalo

Tue 8/18

11:36 am-5:14 pm

1 stop5h 38m

$260

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Wed 8/26

8:39 pm-8:44 pm

2 stops24h 05m

Buffalo

Sat 8/29

11:36 am-5:14 pm

1 stop5h 38m

$260

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Thu 8/27

8:25 am-9:48 am

Nonstop1h 23m

Buffalo

Mon 8/31

6:12 am-7:35 am

Nonstop1h 23m

$260

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Wed 10/28

12:50 pm-2:20 pm

Nonstop1h 30m

Buffalo

Sun 11/8

6:00 am-7:28 am

Nonstop1h 28m

$260

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Sat 9/5

8:39 pm-10:29 am

1 stop13h 50m

Buffalo

Sun 9/6

9:29 pm-2:12 pm

2 stops16h 43m

$261

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Fri 9/4

9:54 pm-6:09 pm

1 stop20h 15m

Buffalo

Sun 9/6

11:36 am-5:14 pm

1 stop5h 38m

$261

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Sat 9/19

7:50 am-12:55 pm

1 stop5h 05m

Buffalo

Sat 9/26

1:45 pm-10:27 am

2 stops20h 42m

$263

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Sat 8/15

8:33 pm-10:29 am

1 stop13h 56m

Buffalo

Tue 8/18

11:36 am-10:52 pm

1 stop11h 16m

$264

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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

Prices are currently low for flights on this route.

Typical prices usually range from $317 to $433.
The lowest price recently found on this route was $258.

What is the cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of December, then book flights to Buffalo from Washington, D.C. Dulles Intl Airport during February instead. Flights to Buffalo in February, while not as cheap as those in December, still average around $301.

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 $301. Flights from Washington, D.C. Dulles Intl Airport to Buffalo on a Sunday will generally be more expensive and average around $419. 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 $318. Flying to Buffalo in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Buffalo, so prices are often more expensive at around $379 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

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

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl Airport 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 17% 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 August 2026, prices for Washington, D.C. Dulles Intl Airport to Buffalo flights are approximately 35% 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	$203
Fastest flight time	1h 11m
Direct flights	Mon, Tue, Wed, 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 $349.

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 on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. The only airline offering direct flights is United Airlines.

There is 1 airport in Buffalo. From Washington, D.C. Dulles Intl Airport there are direct flights to Buffalo (BUF).

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

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?
The number of operators available for flights from Washington, D.C. Dulles Intl Airport to Buffalo Airport is 1 as of August 2026.
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?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Buffalo, the leading plane model is Embraer ERJ-135 / ERJ-140 / ERJ-145, making up 24.49% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 20.27%, Canadair (Bombardier) Regional Jet CRJ-550 with 12.50%, and Canadair (Bombardier) Regional Jet 900 with 10.30%.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Buffalo?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. Dulles Intl Airport to Buffalo is United Airlines, representing 100% of all bookings.

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 Airlines	PriceFrom $179	Free Cancellation	Rating 7.4 10,058 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 23 times per week, with 10,058 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 $345 for United Airlines flights on this route.

Batavia

Cheektowaga

Amherst

Tonawanda

Williamsville

Orchard Park

Grand Island

Bowmansville

West Seneca

Lockport

East Aurora

Eden

Angola

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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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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

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Buffalo flight tickets

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

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

What is the cheapest month to fly to Buffalo?

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

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

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

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

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Buffalo flights?

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

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Buffalo?

How many flights depart from Washington, D.C. Dulles Intl Airport to Buffalo on average per day?

How many flights depart from Washington, D.C. Dulles Intl Airport to Buffalo on average per week?

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

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

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Fastest flight time

Direct flights

Airports in Buffalo

Frequently asked questions about flying 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

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