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

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 September 2026. The most popular departure time for this route is 5:00PM, with 62% 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.

$61 Cheap Flights from Washington, D.C. Dulles Intl Airport to Buffalo in 2026/27

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

As of September 2026, 62 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 16% of weekly flights taking off on this day.

Discover deals from 900+ travel sites with momondo.

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

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Enter your travel dates to find the best prices.

7:50 am - 5:52 pmIAD Washington, D.C. Dulles Intl-BUF Buffalo

34h 02m2 stops Atlanta Hartsfield-Jackson Orlando

1:44 pm - 12:21 amBUF Buffalo-IAD Washington, D.C. Dulles Intl

10h 37m1 stop Atlanta Hartsfield-Jackson

$242Frontier

Wed, Oct 21 - Sat, Oct 24

11:12 am - 5:52 pmIAD Washington, D.C. Dulles Intl-BUF Buffalo

6h 40m1 stop Orlando

1:44 pm - 12:21 amBUF Buffalo-IAD Washington, D.C. Dulles Intl

10h 37m1 stop Atlanta Hartsfield-Jackson

$243Frontier

Thu, Oct 15 - Sat, Oct 17

6:50 am - 12:59 pmIAD Washington, D.C. Dulles Intl-BUF Buffalo

6h 09m1 stop Atlanta Hartsfield-Jackson

9:20 pm - 8:40 pmBUF Buffalo-IAD Washington, D.C. Dulles Intl

23h 20m1 stop Orlando

$243Frontier

Fri, Nov 20 - Sun, Nov 22

9:06 pm - 12:59 pmIAD Washington, D.C. Dulles Intl-BUF Buffalo

15h 53m1 stop Atlanta Hartsfield-Jackson

6:51 pm - 12:21 amBUF Buffalo-IAD Washington, D.C. Dulles Intl

29h 30m2 stops Orlando Atlanta Hartsfield-Jackson

$244Frontier

Thu, Oct 15 - Tue, Oct 20

6:50 am - 12:59 pmIAD Washington, D.C. Dulles Intl-BUF Buffalo

6h 09m1 stop Atlanta Hartsfield-Jackson

9:20 pm - 8:40 pmBUF Buffalo-IAD Washington, D.C. Dulles Intl

23h 20m1 stop Orlando

$245Frontier

Fri, Nov 20 - Mon, Nov 23

5:13 pm - 10:44 pmIAD Washington, D.C. Dulles Intl-BUF Buffalo

5h 31m1 stop Detroit Metropolitan Wayne County

7:40 pm - 11:23 pmBUF Buffalo-IAD Washington, D.C. Dulles Intl

3h 43m1 stop Detroit Metropolitan Wayne County

$246Delta

Sat, Nov 21 - Wed, Dec 9

12:35 pm - 6:40 pmIAD Washington, D.C. Dulles Intl-BUF Buffalo

6h 05m1 stop New York John F Kennedy Intl

12:06 pm - 4:15 pmBUF Buffalo-IAD Washington, D.C. Dulles Intl

4h 09m1 stop Detroit Metropolitan Wayne County

$246Delta

Sun, Nov 22 - Sat, Dec 12

10:47 pm - 12:59 pmIAD Washington, D.C. Dulles Intl-BUF Buffalo

14h 12m1 stop Atlanta Hartsfield-Jackson

2:39 pm - 2:49 pmBUF Buffalo-IAD Washington, D.C. Dulles Intl

24h 10m2 stops Orlando Atlanta Hartsfield-Jackson

$246Frontier

Thu, Nov 26 - Fri, Dec 4

12:55 pm - 2:23 pmIAD Washington, D.C. Dulles Intl-BUF Buffalo

1h 28mnonstop

7:59 pm - 9:20 pmBUF Buffalo-IAD Washington, D.C. Dulles Intl

1h 21mnonstop

$247United Airlines

Thu, Oct 22 - Sat, Oct 24

8:32 am - 9:54 amIAD Washington, D.C. Dulles Intl-BUF Buffalo

1h 22mnonstop

6:00 am - 7:28 amBUF Buffalo-IAD Washington, D.C. Dulles Intl

1h 28mnonstop

$247United Airlines

Wed, Nov 11 - Sun, Nov 15

Cheap last minute flights

Enter your travel dates to find the best prices.

7:50 am - 12:55 pmIAD Washington, D.C. Dulles Intl-BUF Buffalo

5h 05m1 stop Atlanta Hartsfield-Jackson

6:51 pm - 10:17 amBUF Buffalo-IAD Washington, D.C. Dulles Intl

15h 26m1 stop Orlando

$266Frontier

Wed, Sep 30 - Tue, Oct 6

11:12 am - 5:45 pmIAD Washington, D.C. Dulles Intl-BUF Buffalo

6h 33m1 stop Orlando

1:45 pm - 12:10 amBUF Buffalo-IAD Washington, D.C. Dulles Intl

10h 25m1 stop Atlanta Hartsfield-Jackson

$270Frontier

Thu, Oct 1 - Sat, Oct 3

7:50 am - 12:55 pmIAD Washington, D.C. Dulles Intl-BUF Buffalo

5h 05m1 stop Atlanta Hartsfield-Jackson

12:49 pm - 10:17 amBUF Buffalo-IAD Washington, D.C. Dulles Intl

21h 28m1 stop Orlando

$286Frontier

Fri, Oct 2 - Sun, Oct 4

7:50 am - 12:55 pmIAD Washington, D.C. Dulles Intl-BUF Buffalo

5h 05m1 stop Atlanta Hartsfield-Jackson

12:49 pm - 10:17 amBUF Buffalo-IAD Washington, D.C. Dulles Intl

21h 28m1 stop Orlando

$296Frontier

Fri, Oct 2 - Sun, Oct 4

7:50 am - 12:55 pmIAD Washington, D.C. Dulles Intl-BUF Buffalo

5h 05m1 stop Atlanta Hartsfield-Jackson

12:49 pm - 10:17 amBUF Buffalo-IAD Washington, D.C. Dulles Intl

21h 28m1 stop Orlando

$300Frontier

Fri, Oct 2 - Sun, Oct 4

7:50 am - 12:55 pmIAD Washington, D.C. Dulles Intl-BUF Buffalo

5h 05m1 stop Atlanta Hartsfield-Jackson

1:45 pm - 12:10 amBUF Buffalo-IAD Washington, D.C. Dulles Intl

10h 25m1 stop Atlanta Hartsfield-Jackson

$300Frontier

Fri, Oct 2 - Sat, Oct 3

7:50 am - 12:55 pmIAD Washington, D.C. Dulles Intl-BUF Buffalo

5h 05m1 stop Atlanta Hartsfield-Jackson

12:49 pm - 10:17 amBUF Buffalo-IAD Washington, D.C. Dulles Intl

21h 28m1 stop Orlando

$305Frontier

Fri, Oct 2 - Sun, Oct 4

12:55 pm - 2:23 pmIAD Washington, D.C. Dulles Intl-BUF Buffalo

1h 28mnonstop

6:00 am - 7:29 amBUF Buffalo-IAD Washington, D.C. Dulles Intl

1h 29mnonstop

$306United Airlines

Thu, Oct 1 - Sat, Nov 7

7:50 am - 12:55 pmIAD Washington, D.C. Dulles Intl-BUF Buffalo

5h 05m1 stop Atlanta Hartsfield-Jackson

12:49 pm - 10:17 amBUF Buffalo-IAD Washington, D.C. Dulles Intl

21h 28m1 stop Orlando

$309Frontier

Fri, Oct 2 - Sun, Oct 4

3:47 pm - 8:47 pmIAD Washington, D.C. Dulles Intl-BUF Buffalo

5h 00m1 stop Chicago O'Hare Intl

6:00 am - 7:29 amBUF Buffalo-IAD Washington, D.C. Dulles Intl

1h 29mnonstop

$316United Airlines

Thu, Oct 1 - Sat, Nov 7

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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

Oct 21

IAD7:50 amWashington, D.C. Dulles Intl

34h 02m

2 stops

BUF5:52 pmBuffalo

Oct 24

BUF1:44 pmBuffalo

10h 37m

1 stop

IAD12:21 amWashington, D.C. Dulles Intl

$242

Frontier

Oct 15

IAD11:12 amWashington, D.C. Dulles Intl

6h 40m

1 stop

BUF5:52 pmBuffalo

Oct 17

BUF1:44 pmBuffalo

10h 37m

1 stop

IAD12:21 amWashington, D.C. Dulles Intl

$243

Frontier

Oct 15

IAD9:06 pmWashington, D.C. Dulles Intl

15h 53m

1 stop

BUF12:59 pmBuffalo

Oct 20

BUF6:51 pmBuffalo

29h 30m

2 stops

IAD12:21 amWashington, D.C. Dulles Intl

$244

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

Nov 5

IAD6:32 pmWashington, D.C. Dulles Intl

5h 27m

1 stop

BUF11:59 pmBuffalo

Nov 8

BUF7:00 amBuffalo

4h 50m

1 stop

IAD11:50 amWashington, D.C. Dulles Intl

$246

Delta

Oct 10

IAD5:08 pmWashington, D.C. Dulles Intl

5h 30m

1 stop

BUF10:38 pmBuffalo

Oct 14

BUF7:43 pmBuffalo

3h 33m

1 stop

IAD11:16 pmWashington, D.C. Dulles Intl

$261

Delta

Nov 21

IAD5:13 pmWashington, D.C. Dulles Intl

5h 31m

1 stop

BUF10:44 pmBuffalo

Dec 1

BUF7:40 pmBuffalo

3h 43m

1 stop

IAD11:23 pmWashington, D.C. Dulles Intl

$309

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 Washington, D.C. Dulles Intl - BUF Buffalo

IADBUF

Washington, D.C. Dulles Intl

Wed 10/21

7:50 am-5:52 pm

2 stops34h 02m

Buffalo

Sat 10/24

1:44 pm-12:21 am

1 stop10h 37m

$242

Washington, D.C.Buffalo

IAD Washington, D.C. Dulles Intl - BUF Buffalo

IADBUF

Washington, D.C. Dulles Intl

Thu 10/15

11:12 am-5:52 pm

1 stop6h 40m

Buffalo

Sat 10/17

1:44 pm-12:21 am

1 stop10h 37m

$243

Washington, D.C.Buffalo

IAD Washington, D.C. Dulles Intl - BUF Buffalo

IADBUF

Washington, D.C. Dulles Intl

Fri 11/20

6:50 am-12:59 pm

1 stop6h 09m

Buffalo

Sun 11/22

9:20 pm-8:40 pm

1 stop23h 20m

$243

Washington, D.C.Buffalo

IAD Washington, D.C. Dulles Intl - BUF Buffalo

IADBUF

Washington, D.C. Dulles Intl

Thu 10/15

9:06 pm-12:59 pm

1 stop15h 53m

Buffalo

Tue 10/20

6:51 pm-12:21 am

2 stops29h 30m

$244

Washington, D.C.Buffalo

IAD Washington, D.C. Dulles Intl - BUF Buffalo

IADBUF

Washington, D.C. Dulles Intl

Fri 11/20

6:50 am-12:59 pm

1 stop6h 09m

Buffalo

Mon 11/23

9:20 pm-8:40 pm

1 stop23h 20m

$245

Washington, D.C.Buffalo

IAD Washington, D.C. Dulles Intl - BUF Buffalo

IADBUF

Washington, D.C. Dulles Intl

Sat 11/21

5:13 pm-10:44 pm

1 stop5h 31m

Buffalo

Wed 12/9

7:40 pm-11:23 pm

1 stop3h 43m

$246

Washington, D.C.Buffalo

IAD Washington, D.C. Dulles Intl - BUF Buffalo

IADBUF

Washington, D.C. Dulles Intl

Sun 11/22

12:35 pm-6:40 pm

1 stop6h 05m

Buffalo

Sat 12/12

12:06 pm-4:15 pm

1 stop4h 09m

$246

Washington, D.C.Buffalo

IAD Washington, D.C. Dulles Intl - BUF Buffalo

IADBUF

Washington, D.C. Dulles Intl

Thu 11/26

10:47 pm-12:59 pm

1 stop14h 12m

Buffalo

Fri 12/4

2:39 pm-2:49 pm

2 stops24h 10m

$246

Quickest round-trip

Washington, D.C.Buffalo

IAD Washington, D.C. Dulles Intl - BUF Buffalo

IADBUF

Washington, D.C. Dulles Intl

Thu 10/22

12:55 pm-2:23 pm

Nonstop1h 28m

Buffalo

Sat 10/24

7:59 pm-9:20 pm

Nonstop1h 21m

$247

Washington, D.C.Buffalo

IAD Washington, D.C. Dulles Intl - BUF Buffalo

IADBUF

Washington, D.C. Dulles Intl

Wed 11/11

8:32 am-9:54 am

Nonstop1h 22m

Buffalo

Sun 11/15

6:00 am-7:28 am

Nonstop1h 28m

$247

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 typical for flights on this route.

Typical prices usually range from $232 to $369.
The lowest price recently found on this route was $242.

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 $302. Flights from Washington, D.C. Dulles Intl Airport to Buffalo on a Sunday will generally be more expensive and average around $454. 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 $337. 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 4 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 45% 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 September 2026, prices for Washington, D.C. Dulles Intl Airport to Buffalo flights are approximately 4% 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	$61
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 $61. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Buffalo found on momondo in the last 72 hours is $242.

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 September 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 21.60% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet CRJ-550 with 17.51%, Embraer 175 (Enhanced Winglets) with 14.89%, and Canadair (Bombardier) Regional Jet 700 with 11.78%.
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 $209	Free Cancellation	Rating 7.4 10,246 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 10,246 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 $209 (round-trip), much lower than the average airfare cost of $350 for United Airlines flights on this route.

Batavia

Cheektowaga

Amherst

Williamsville

Tonawanda

Bowmansville

Lockport

West Seneca

Orchard Park

Grand Island

East Aurora

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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Cheap flights from Washington, D.C. Dulles Intl Airport to Buffalo from $61

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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

Best Price Found

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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

Traveling to a place near Buffalo?

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An easier way to manage your Buffalo trip

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