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

5 flights are operational daily from Washington, D.C. Dulles Intl Airport to Buffalo as of February 2026. The most popular departure time for this route is 5:00PM, with 84% 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.

$80 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 February 2026, 35 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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One-way

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Cheap round-trip flights

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6:20 am - 12:13 pm

IAD

BUF

5h 53m

1 stop

11:55 am - 5:13 pm

BUF

IAD

29h 18m

1 stop

$193Frontier

Wed, May 13 - Mon, Jun 1

10:15 pm - 11:42 pm

IAD

BUF

1h 27mnonstop

10:32 am - 11:55 am

BUF

IAD

1h 23mnonstop

$194United Airlines

Fri, Mar 13 - Wed, Mar 18

5:21 pm - 10:54 pm

IAD

BUF

5h 33m

1 stop

7:31 pm - 10:56 pm

BUF

IAD

3h 25m

1 stop

$199Delta

Sat, May 9 - Wed, Jun 3

6:20 am - 12:13 pm

IAD

BUF

5h 53m

1 stop

11:55 am - 4:33 pm

BUF

IAD

28h 38m

1 stop

$200Frontier

Thu, May 14 - Thu, May 28

6:20 am - 12:13 pm

IAD

BUF

5h 53m

1 stop

11:55 am - 10:30 am

BUF

IAD

22h 35m

1 stop

$204Frontier

Fri, May 15 - Fri, May 29

6:20 am - 12:13 pm

IAD

BUF

5h 53m

1 stop

11:55 am - 4:33 pm

BUF

IAD

28h 38m

1 stop

$205Frontier

Sun, May 10 - Thu, May 28

7:00 am - 10:34 am

IAD

BUF

27h 34m

2 stops

1:56 pm - 12:36 am

BUF

IAD

10h 40m

1 stop

$207Frontier

Wed, Apr 15 - Wed, Apr 22

8:32 am - 10:00 am

IAD

BUF

1h 28mnonstop

10:35 am - 11:55 am

BUF

IAD

1h 20mnonstop

$208United Airlines

Fri, Apr 10 - Sun, Apr 12

10:15 pm - 11:42 pm

IAD

BUF

1h 27mnonstop

7:30 pm - 8:58 pm

BUF

IAD

1h 28mnonstop

$209United Airlines

Fri, Mar 13 - Mon, Mar 16

6:20 am - 12:13 pm

IAD

BUF

5h 53m

1 stop

11:55 am - 5:13 pm

BUF

IAD

29h 18m

1 stop

$211Frontier

Sun, May 10 - Mon, Jun 1

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

May 9

IAD5:21 pmWashington, D.C. Dulles Intl

5h 33m

1 stop

BUF10:54 pmBuffalo

Jun 3

BUF7:31 pmBuffalo

3h 25m

1 stop

IAD10:56 pmWashington, D.C. Dulles Intl

$199

Delta

Mar 18

IAD7:59 pmWashington, D.C. Dulles Intl

4h 15m

1 stop

BUF12:14 amBuffalo

Mar 25

BUF1:00 pmBuffalo

3h 52m

1 stop

IAD4:52 pmWashington, D.C. Dulles Intl

$214

Delta

May 10

IAD6:00 amWashington, D.C. Dulles Intl

5h 24m

1 stop

BUF11:24 amBuffalo

Jun 2

BUF7:31 pmBuffalo

3h 25m

1 stop

IAD10:56 pmWashington, D.C. Dulles Intl

$229

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 5

IAD8:25 amWashington, D.C. Dulles Intl

1h 26m

BUF9:51 amBuffalo

Jun 8

BUF6:00 amBuffalo

1h 19m

IAD7:19 amWashington, D.C. Dulles Intl

$191

United Airlines

Mar 13

IAD10:15 pmWashington, D.C. Dulles Intl

1h 27m

BUF11:42 pmBuffalo

Mar 18

BUF10:32 amBuffalo

1h 23m

IAD11:55 amWashington, D.C. Dulles Intl

$194

United Airlines

Apr 10

IAD8:32 amWashington, D.C. Dulles Intl

1h 28m

BUF10:00 amBuffalo

Apr 12

BUF10:35 amBuffalo

1h 20m

IAD11:55 amWashington, D.C. Dulles Intl

$208

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

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Wed 5/13

6:20 am-12:13 pm

1 stop5h 53m

Buffalo

Mon 6/1

11:55 am-5:13 pm

1 stop29h 18m

$193

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Fri 3/13

10:15 pm-11:42 pm

Nonstop1h 27m

Buffalo

Wed 3/18

10:32 am-11:55 am

Nonstop1h 23m

$194

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Sat 5/9

5:21 pm-10:54 pm

1 stop5h 33m

Buffalo

Wed 6/3

7:31 pm-10:56 pm

1 stop3h 25m

$199

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Thu 5/14

6:20 am-12:13 pm

1 stop5h 53m

Buffalo

Thu 5/28

11:55 am-4:33 pm

1 stop28h 38m

$200

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Fri 5/15

6:20 am-12:13 pm

1 stop5h 53m

Buffalo

Fri 5/29

11:55 am-10:30 am

1 stop22h 35m

$204

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Sun 5/10

6:20 am-12:13 pm

1 stop5h 53m

Buffalo

Thu 5/28

11:55 am-4:33 pm

1 stop28h 38m

$205

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Wed 4/15

7:00 am-10:34 am

2 stops27h 34m

Buffalo

Wed 4/22

1:56 pm-12:36 am

1 stop10h 40m

$207

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Fri 4/10

8:32 am-10:00 am

Nonstop1h 28m

Buffalo

Sun 4/12

10:35 am-11:55 am

Nonstop1h 20m

$208

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Fri 3/13

10:15 pm-11:42 pm

Nonstop1h 27m

Buffalo

Mon 3/16

7:30 pm-8:58 pm

Nonstop1h 28m

$209

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Sun 5/10

6:20 am-12:13 pm

1 stop5h 53m

Buffalo

Mon 6/1

11:55 am-5:13 pm

1 stop29h 18m

$211

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 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 April instead. Flights to Buffalo in April, while not as cheap as those in March, still average around $260.

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

Our data shows that Monday is the least expensive day to fly to Buffalo. Tickets to fly out on this day can be as low as $269. Flights from Washington, D.C. Dulles Intl Airport to Buffalo on a Sunday will generally be more expensive and average around $341. 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 $273. 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 $300 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 19% 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 February 2026, prices for Washington, D.C. Dulles Intl Airport to Buffalo flights are approximately 375% 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 24m
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 $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 $267.

The fastest flight from Washington, D.C. Dulles Intl Airport to Buffalo takes 1h 24m

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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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 24m 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 February 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 24.56% of the total bookings. Other popular models include Embraer 175 with 12.28%, Canadair (Bombardier) Regional Jet 700 with 12.28%, and Embraer 175 (Enhanced Winglets) with 11.84%.
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 9,363 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 9,363 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 $306 for United Airlines flights on this route.

Batavia

Cheektowaga

Amherst

Grand Island

Tonawanda

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 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 to Buffalo?

What cabin class options are available on Washington, D.C. Dulles Intl 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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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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