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

United Airlines and Delta are the most popular carriers operating 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?

8 flights are operational daily from Washington, D.C. Dulles Intl Airport to Buffalo as of June 2026. The most popular departure time for this route is 5:00PM, with 60% of flights per day taking off in the afternoon.

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.

$108 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 June 2026, 58 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 17% of weekly flights taking off on this day.

Q: 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 $424 to $304. The lowest price recently found on this route was $254.

Discover deals from 900+ travel sites with momondo.

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.

10:26 pm - 11:59 pm

IAD

BUF

1h 33mnonstop

6:15 am - 7:34 am

BUF

IAD

1h 19mnonstop

$254United Airlines

Sun, Jun 28 - Sat, Jul 4

8:33 pm - 1:53 pm

IAD

BUF

17h 20m

1 stop

11:29 am - 4:40 pm

BUF

IAD

5h 11m

1 stop

$256Frontier

Thu, Jul 9 - Tue, Jul 14

1:21 pm - 9:07 pm

IAD

BUF

7h 46m

1 stop

12:29 pm - 11:17 pm

BUF

IAD

10h 48m

1 stop

$258Frontier

Sat, Aug 15 - Sat, Aug 22

5:26 pm - 11:58 pm

IAD

BUF

6h 32m

1 stop

7:00 am - 11:49 am

BUF

IAD

4h 49m

1 stop

$259Delta

Tue, Jul 14 - Wed, Jul 22

7:48 am - 1:53 pm

IAD

BUF

6h 05m

1 stop

8:57 pm - 12:53 pm

BUF

IAD

15h 56m

1 stop

$260Frontier

Fri, Aug 14 - Tue, Aug 18

10:26 pm - 11:59 pm

IAD

BUF

1h 33mnonstop

7:52 pm - 9:15 pm

BUF

IAD

1h 23mnonstop

$262United Airlines

Sat, Jun 27 - Tue, Jun 30

1:21 pm - 9:07 pm

IAD

BUF

7h 46m

1 stop

11:29 am - 10:55 pm

BUF

IAD

11h 26m

1 stop

$263Frontier

Sat, Jul 18 - Thu, Jul 23

1:21 pm - 9:07 pm

IAD

BUF

7h 46m

1 stop

2:48 pm - 10:55 pm

BUF

IAD

8h 07m

1 stop

$264Frontier

Sat, Jul 11 - Fri, Jul 24

7:48 am - 1:53 pm

IAD

BUF

6h 05m

1 stop

7:52 pm - 12:53 pm

BUF

IAD

17h 01m

1 stop

$265Frontier

Fri, Aug 14 - Wed, Aug 19

10:26 pm - 11:59 pm

IAD

BUF

1h 33mnonstop

7:52 pm - 9:15 pm

BUF

IAD

1h 23mnonstop

$266United Airlines

Thu, Jul 9 - Sat, Jul 11

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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 28

IAD10:26 pmWashington, D.C. Dulles Intl

1h 33m

BUF11:59 pmBuffalo

Jul 4

BUF6:15 amBuffalo

1h 19m

IAD7:34 amWashington, D.C. Dulles Intl

$254

United Airlines

Jun 27

IAD10:26 pmWashington, D.C. Dulles Intl

1h 33m

BUF11:59 pmBuffalo

Jun 30

BUF7:52 pmBuffalo

1h 23m

IAD9:15 pmWashington, D.C. Dulles Intl

$262

United Airlines

Jul 9

IAD10:26 pmWashington, D.C. Dulles Intl

1h 33m

BUF11:59 pmBuffalo

Jul 11

BUF7:52 pmBuffalo

1h 23m

IAD9:15 pmWashington, D.C. Dulles Intl

$266

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

Jul 14

IAD5:26 pmWashington, D.C. Dulles Intl

6h 32m

1 stop

BUF11:58 pmBuffalo

Jul 22

BUF7:00 amBuffalo

4h 49m

1 stop

IAD11:49 amWashington, D.C. Dulles Intl

$259

Delta

Jun 30

IAD7:14 pmWashington, D.C. Dulles Intl

5h 24m

1 stop

BUF12:38 amBuffalo

Jul 4

BUF7:00 amBuffalo

4h 48m

1 stop

IAD11:48 amWashington, D.C. Dulles Intl

$274

Delta

Jul 1

IAD5:29 pmWashington, D.C. Dulles Intl

6h 30m

1 stop

BUF11:59 pmBuffalo

Jul 3

BUF8:09 pmBuffalo

15h 39m

1 stop

IAD11:48 amWashington, D.C. Dulles Intl

$285

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

Quickest round-trip

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Sun 6/28

10:26 pm-11:59 pm

Nonstop1h 33m

Buffalo

Sat 7/4

6:15 am-7:34 am

Nonstop1h 19m

$254

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Thu 7/9

8:33 pm-1:53 pm

1 stop17h 20m

Buffalo

Tue 7/14

11:29 am-4:40 pm

1 stop5h 11m

$256

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Sat 8/15

1:21 pm-9:07 pm

1 stop7h 46m

Buffalo

Sat 8/22

12:29 pm-11:17 pm

1 stop10h 48m

$258

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Tue 7/14

5:26 pm-11:58 pm

1 stop6h 32m

Buffalo

Wed 7/22

7:00 am-11:49 am

1 stop4h 49m

$259

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Fri 8/14

7:48 am-1:53 pm

1 stop6h 05m

Buffalo

Tue 8/18

8:57 pm-12:53 pm

1 stop15h 56m

$260

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Sat 6/27

10:26 pm-11:59 pm

Nonstop1h 33m

Buffalo

Tue 6/30

7:52 pm-9:15 pm

Nonstop1h 23m

$262

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Sat 7/18

1:21 pm-9:07 pm

1 stop7h 46m

Buffalo

Thu 7/23

11:29 am-10:55 pm

1 stop11h 26m

$263

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Sat 7/11

1:21 pm-9:07 pm

1 stop7h 46m

Buffalo

Fri 7/24

2:48 pm-10:55 pm

1 stop8h 07m

$264

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Fri 8/14

7:48 am-1:53 pm

1 stop6h 05m

Buffalo

Wed 8/19

7:52 pm-12:53 pm

1 stop17h 01m

$265

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Thu 7/9

10:26 pm-11:59 pm

Nonstop1h 33m

Buffalo

Sat 7/11

7:52 pm-9:15 pm

Nonstop1h 23m

$266

Flights are sorted by cheapest round-trip flights first.

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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 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 $286. Flights from Washington, D.C. Dulles Intl Airport to Buffalo on a Sunday will generally be more expensive and average around $363. 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 $309. 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 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.

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

As of June 2026, prices for Washington, D.C. Dulles Intl Airport to Buffalo flights are approximately 15% 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	$206
Fastest flight time	1h 11m
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 $206. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Buffalo found on momondo in the last 72 hours is $284.

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).

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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 June 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 25.47% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 19.21%, Canadair (Bombardier) Regional Jet 700 with 10.02%, and Canadair (Bombardier) Regional Jet CRJ-550 with 9.19%.
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 9,804 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 22 times per week, with 9,805 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 $331 for United Airlines flights on this route.

Batavia

Cheektowaga

Amherst

Tonawanda

Williamsville

Grand Island

Orchard Park

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?

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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..

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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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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

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

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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?

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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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

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

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