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

7 flights are operational daily from Washington, D.C. Dulles Intl Airport to Buffalo as of April 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?

United Airlines is the most popular carrier 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.

$62 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 April 2026, 50 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 20% 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

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Cheap round-trip flights

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10:26 pm - 11:59 pm

IAD

BUF

1h 33mnonstop

7:52 pm - 9:15 pm

BUF

IAD

1h 23mnonstop

$239United Airlines

Thu, Jun 4 - Wed, Jun 10

7:45 am - 1:54 pm

IAD

BUF

6h 09m

1 stop

8:49 pm - 6:42 pm

BUF

IAD

21h 53m

1 stop

$240Frontier

Fri, May 29 - Sun, May 31

7:45 am - 1:54 pm

IAD

BUF

6h 09m

1 stop

11:36 am - 10:12 am

BUF

IAD

22h 36m

1 stop

$241Frontier

Mon, May 25 - Tue, May 26

1:32 pm - 7:15 pm

IAD

BUF

5h 43m

1 stop

6:07 am - 10:20 am

BUF

IAD

4h 13m

1 stop

$242Delta

Thu, Jun 4 - Tue, Jun 9

7:45 am - 6:59 pm

IAD

BUF

11h 14m

2 stops

2:49 pm - 11:09 pm

BUF

IAD

8h 20m

1 stop

$243Frontier

Tue, May 26 - Wed, May 27

8:57 pm - 1:55 pm

IAD

BUF

16h 58m

1 stop

2:50 pm - 4:52 pm

BUF

IAD

26h 02m

1 stop

$244Frontier

Thu, Jun 25 - Mon, Jun 29

7:40 am - 1:54 pm

IAD

BUF

6h 14m

1 stop

8:49 pm - 6:42 pm

BUF

IAD

21h 53m

1 stop

$246Frontier

Fri, May 15 - Sun, May 17

10:26 pm - 11:59 pm

IAD

BUF

1h 33mnonstop

10:34 am - 11:50 am

BUF

IAD

1h 16mnonstop

$247United Airlines

Sat, May 23 - Sat, May 30

11:07 am - 10:41 am

IAD

BUF

23h 34m

1 stop

8:49 pm - 6:42 pm

BUF

IAD

21h 53m

1 stop

$248Frontier

Wed, May 27 - Sun, May 31

7:45 am - 1:54 pm

IAD

BUF

6h 09m

1 stop

2:50 pm - 8:02 pm

BUF

IAD

29h 12m

2 stops

$249Frontier

Fri, Jun 5 - Fri, Jun 12

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

May 29

IAD7:45 amWashington, D.C. Dulles Intl

6h 09m

1 stop

BUF1:54 pmBuffalo

May 31

BUF8:49 pmBuffalo

21h 53m

1 stop

IAD6:42 pmWashington, D.C. Dulles Intl

$240

Frontier

May 25

IAD7:45 amWashington, D.C. Dulles Intl

6h 09m

1 stop

BUF1:54 pmBuffalo

May 26

BUF11:36 amBuffalo

22h 36m

1 stop

IAD10:12 amWashington, D.C. Dulles Intl

$241

Frontier

May 26

IAD7:45 amWashington, D.C. Dulles Intl

11h 14m

2 stops

BUF6:59 pmBuffalo

May 27

BUF2:49 pmBuffalo

8h 20m

1 stop

IAD11:09 pmWashington, D.C. Dulles Intl

$243

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

Jun 4

IAD10:26 pmWashington, D.C. Dulles Intl

1h 33m

BUF11:59 pmBuffalo

Jun 10

BUF7:52 pmBuffalo

1h 23m

IAD9:15 pmWashington, D.C. Dulles Intl

$239

United Airlines

May 23

IAD10:26 pmWashington, D.C. Dulles Intl

1h 33m

BUF11:59 pmBuffalo

May 30

BUF10:34 amBuffalo

1h 16m

IAD11:50 amWashington, D.C. Dulles Intl

$247

United Airlines

May 22

IAD10:26 pmWashington, D.C. Dulles Intl

1h 33m

BUF11:59 pmBuffalo

May 29

BUF6:09 amBuffalo

1h 19m

IAD7:28 amWashington, D.C. Dulles Intl

$252

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.

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Fly to

Route

Depart

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Price

Cheapest round-trip

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Thu 6/4

10:26 pm-11:59 pm

Nonstop1h 33m

Buffalo

Wed 6/10

7:52 pm-9:15 pm

Nonstop1h 23m

$239

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Fri 5/29

7:45 am-1:54 pm

1 stop6h 09m

Buffalo

Sun 5/31

8:49 pm-6:42 pm

1 stop21h 53m

$240

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Mon 5/25

7:45 am-1:54 pm

1 stop6h 09m

Buffalo

Tue 5/26

11:36 am-10:12 am

1 stop22h 36m

$241

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Thu 6/4

1:32 pm-7:15 pm

1 stop5h 43m

Buffalo

Tue 6/9

6:07 am-10:20 am

1 stop4h 13m

$242

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Tue 5/26

7:45 am-6:59 pm

2 stops11h 14m

Buffalo

Wed 5/27

2:49 pm-11:09 pm

1 stop8h 20m

$243

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Thu 6/25

8:57 pm-1:55 pm

1 stop16h 58m

Buffalo

Mon 6/29

2:50 pm-4:52 pm

1 stop26h 02m

$244

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Fri 5/15

7:40 am-1:54 pm

1 stop6h 14m

Buffalo

Sun 5/17

8:49 pm-6:42 pm

1 stop21h 53m

$246

Quickest round-trip

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Sat 5/23

10:26 pm-11:59 pm

Nonstop1h 33m

Buffalo

Sat 5/30

10:34 am-11:50 am

Nonstop1h 16m

$247

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Wed 5/27

11:07 am-10:41 am

1 stop23h 34m

Buffalo

Sun 5/31

8:49 pm-6:42 pm

1 stop21h 53m

$248

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Fri 6/5

7:45 am-1:54 pm

1 stop6h 09m

Buffalo

Fri 6/12

2:50 pm-8:02 pm

2 stops29h 12m

$249

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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?

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 June instead. Flights to Buffalo in June, while not as cheap as those in December, still average around $278.

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 $292. Flights from Washington, D.C. Dulles Intl Airport to Buffalo on a Sunday will generally be more expensive and average around $365. 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 $296. 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 $321 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 from Washington, D.C. Dulles Intl Airport 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 $322 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 $238 on momondo.

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

There are 2 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?

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 April 2026, prices for Washington, D.C. Dulles Intl Airport to Buffalo flights are approximately 17% 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	$233
Fastest flight time	1h 22m
Direct flights	Every day
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 $233. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Buffalo found on momondo in the last 72 hours is $309.

The fastest flight from Washington, D.C. Dulles Intl Airport to Buffalo takes 1h 22m

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).

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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 22m 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 April 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 26.63% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 15.09%, Canadair (Bombardier) Regional Jet 700 with 10.65%, and Canadair (Bombardier) Regional Jet CRJ-550 with 9.47%.
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 9,665 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 20 times per week, with 9,665 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 $324 for United Airlines flights on this route.

Batavia

Cheektowaga

Amherst

Tonawanda

Grand Island

Williamsville

Orchard Park

Lockport

West Seneca

Bowmansville

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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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?

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Buffalo?

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

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

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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

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

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