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Cheap flights from Washington, D.C. Dulles Intl Airport to Buffalo from $69

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Buffalo departing on 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Buffalo

Cheap round-trip flights

United Airlines Logo
10:05 pm - 11:34 pmIAD-BUF
1h 29mnonstop
United Airlines Logo
8:00 pm - 9:19 pmBUF-IAD
1h 19mnonstop
$137United Airlines
Find Deal
Mon, Sep 8 - Wed, Sep 10
United Airlines Logo
10:20 pm - 11:44 pmIAD-BUF
1h 24mnonstop
United Airlines Logo
7:45 pm - 9:06 pmBUF-IAD
1h 21mnonstop
$158United Airlines
Find Deal
Sun, Aug 3 - Mon, Aug 11
United Airlines Logo
10:20 pm - 11:44 pmIAD-BUF
1h 24mnonstop
United Airlines Logo
10:30 am - 11:47 amBUF-IAD
1h 17mnonstop
$160United Airlines
Find Deal
Mon, Aug 11 - Wed, Aug 13
United Airlines Logo
8:25 am - 9:45 amIAD-BUF
1h 20mnonstop
United Airlines Logo
8:00 pm - 9:19 pmBUF-IAD
1h 19mnonstop
$168United Airlines
Find Deal
Thu, Aug 21 - Thu, Aug 21
Delta Logo
8:23 pm - 12:58 amIAD-BUF
4h 35m1 stop
Delta Logo
6:50 pm - 11:25 pmBUF-IAD
4h 35m1 stop
$177Delta
Find Deal
Mon, Sep 8 - Wed, Sep 10
United Airlines Logo
10:20 pm - 11:44 pmIAD-BUF
1h 24mnonstop
United Airlines Logo
6:00 am - 7:15 amBUF-IAD
1h 15mnonstop
$184United Airlines
Find Deal
Sat, Jul 19 - Sat, Jul 26
Delta Logo
8:23 pm - 12:53 amIAD-BUF
4h 30m1 stop
Delta Logo
6:50 pm - 11:26 pmBUF-IAD
4h 36m1 stop
$188Delta
Find Deal
Tue, Aug 26 - Sat, Aug 30
American Airlines Logo
12:48 pm - 5:59 pmIAD-BUF
5h 11m1 stop
American Airlines Logo
6:00 am - 1:51 pmBUF-IAD
7h 51m2 stops
$256American Airlines
Find Deal
Sat, Sep 13 - Tue, Sep 16
American Airlines Logo
2:21 pm - 9:51 pmIAD-BUF
7h 30m2 stops
American Airlines Logo
7:40 am - 1:49 pmBUF-IAD
6h 09m1 stop
$257American Airlines
Find Deal
Wed, Sep 17 - Sat, Sep 20
Frontier Logo
6:10 am - 12:11 pmIAD-BUF
6h 01m1 stop
Frontier Logo
4:00 pm - 12:12 amBUF-IAD
8h 12m1 stop
$271Frontier
Find Deal
Sat, Jul 19 - Tue, Jul 22

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
Sep 8
IAD10:05 pmWashington, D.C. Dulles Intl
1h 29m
BUF11:34 pmBuffalo
Sep 10
BUF8:00 pmBuffalo
1h 19m
IAD9:19 pmWashington, D.C. Dulles Intl
United Airlines
Aug 3
IAD10:20 pmWashington, D.C. Dulles Intl
1h 24m
BUF11:44 pmBuffalo
Aug 11
BUF7:45 pmBuffalo
1h 21m
IAD9:06 pmWashington, D.C. Dulles Intl
United Airlines
Aug 11
IAD10:20 pmWashington, D.C. Dulles Intl
1h 24m
BUF11:44 pmBuffalo
Aug 13
BUF10:30 amBuffalo
1h 17m
IAD11:47 amWashington, D.C. Dulles Intl

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 8
IAD8:23 pmWashington, D.C. Dulles Intl
4h 35m
1 stop
BUF12:58 amBuffalo
Sep 10
BUF6:50 pmBuffalo
4h 35m
1 stop
IAD11:25 pmWashington, D.C. Dulles Intl
Delta
Aug 26
IAD8:23 pmWashington, D.C. Dulles Intl
4h 30m
1 stop
BUF12:53 amBuffalo
Aug 30
BUF6:50 pmBuffalo
4h 36m
1 stop
IAD11:26 pmWashington, D.C. Dulles Intl
Delta
Aug 7
IAD8:31 pmWashington, D.C. Dulles Intl
4h 22m
1 stop
BUF12:53 amBuffalo
Aug 14
BUF7:00 amBuffalo
5h 02m
1 stop
IAD12:02 pmWashington, D.C. Dulles Intl

See travel insights to Buffalo from

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

What is the cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of January, then book flights to Buffalo from Washington, D.C. Dulles Intl Airport during March instead. Flights to Buffalo in March, while not as cheap as those in January, still average around $259.

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 $266. Flights from Washington, D.C. Dulles Intl Airport to Buffalo on a Friday will generally be more expensive and average around $329. 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 $276. 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 $333 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 $321 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?

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 July 2025, prices for Washington, D.C. Dulles Intl Airport to Buffalo flights are approximately 24% 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

$69

Fastest flight time

1h 20m

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 $69. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Buffalo found on momondo in the last 72 hours is $137.
The fastest flight from Washington, D.C. Dulles Intl Airport to Buffalo takes 1h 20m
Direct flights go from Washington, D.C. Dulles Intl Airport to Buffalo every day.
There is 1 airport near Buffalo: Buffalo (BUF)

  • 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 20m 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?

  • 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?

  • What is the most popular airline 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
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $186Free CancellationRating
7.4
8,844 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 25 times per week, with 8,844 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 $186 (round-trip), much lower than the average airfare cost of $321 for United Airlines flights on this route.


Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Batavia
Williamsville
Amherst
Cheektowaga
Tonawanda
Grand Island
Lockport
West Seneca
Orchard Park
East Aurora
Bowmansville
Eden
Angola

Why use momondo?

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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Sun 7/13
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