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Cheap flights from Washington, D.C. Dulles Intl Airport to Buffalo from $80

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 5/1. 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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0 bags

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

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Buffalo.
Frontier Logo
5:25 pm - 9:02 amIAD-BUF
15h 37m1 stop
Frontier Logo
7:00 pm - 4:35 pmBUF-IAD
21h 35m1 stop
$160Frontier
Find Deal
Thu, Apr 24 - Sun, Apr 27
Frontier Logo
6:07 pm - 6:25 pmIAD-BUF
24h 18m1 stop
Frontier Logo
9:37 pm - 12:42 pmBUF-IAD
15h 05m1 stop
$162Frontier
Find Deal
Sat, Jun 28 - Sat, Jul 12
United Airlines Logo
10:15 pm - 11:36 pmIAD-BUF
1h 21mnonstop
United Airlines Logo
10:30 am - 11:46 amBUF-IAD
1h 16mnonstop
$179United Airlines
Find Deal
Fri, May 2 - Mon, May 5
Frontier Logo
5:15 am - 2:59 pmIAD-BUF
9h 44m1 stop
Frontier Logo
3:54 pm - 12:03 amBUF-IAD
8h 09m1 stop
$180Frontier
Find Deal
Tue, Jun 3 - Thu, Jun 12
Frontier Logo
1:34 pm - 8:56 amIAD-BUF
19h 22m1 stop
Frontier Logo
9:37 pm - 12:49 pmBUF-IAD
15h 12m1 stop
$182Frontier
Find Deal
Sat, Jun 7 - Sun, Jun 8
United Airlines Logo
10:24 pm - 11:44 pmIAD-BUF
1h 20mnonstop
United Airlines Logo
6:00 am - 7:19 amBUF-IAD
1h 19mnonstop
$184United Airlines
Find Deal
Wed, Apr 16 - Sat, Apr 19
Delta Logo
6:00 am - 12:10 pmIAD-BUF
6h 10m1 stop
Delta Logo
6:30 am - 12:06 pmBUF-IAD
5h 36m1 stop
$199Delta
Find Deal
Tue, May 13 - Tue, May 20
Delta Logo
8:33 pm - 12:40 amIAD-BUF
4h 07m1 stop
Delta Logo
7:00 am - 11:59 amBUF-IAD
4h 59m1 stop
$225Delta
Find Deal
Mon, Jun 2 - Thu, Jun 12
American Airlines Logo
5:02 am - 11:16 amIAD-BUF
6h 14m1 stop
American Airlines Logo
3:50 pm - 12:02 amBUF-IAD
8h 12m2 stops
$256American Airlines
Find Deal
Tue, May 13 - Tue, May 20
American Airlines Logo
5:02 am - 2:55 pmIAD-BUF
9h 53m2 stops
American Airlines Logo
12:05 pm - 4:56 pmBUF-IAD
4h 51m1 stop
$260American Airlines
Find Deal
Wed, May 21 - Sat, May 31

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
Apr 24
IAD5:25 pmWashington, D.C. Dulles Intl
15h 37m
1 stop
BUF9:02 amBuffalo
Apr 27
BUF7:00 pmBuffalo
21h 35m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
Frontier
Jun 28
IAD6:07 pmWashington, D.C. Dulles Intl
24h 18m
1 stop
BUF6:25 pmBuffalo
Jul 12
BUF9:37 pmBuffalo
15h 05m
1 stop
IAD12:42 pmWashington, D.C. Dulles Intl
Frontier
Jun 3
IAD5:15 amWashington, D.C. Dulles Intl
9h 44m
1 stop
BUF2:59 pmBuffalo
Jun 12
BUF3:54 pmBuffalo
8h 09m
1 stop
IAD12:03 amWashington, D.C. Dulles Intl

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
May 2
IAD10:15 pmWashington, D.C. Dulles Intl
1h 21m
BUF11:36 pmBuffalo
May 5
BUF10:30 amBuffalo
1h 16m
IAD11:46 amWashington, D.C. Dulles Intl
United Airlines
Apr 16
IAD10:24 pmWashington, D.C. Dulles Intl
1h 20m
BUF11:44 pmBuffalo
Apr 19
BUF6:00 amBuffalo
1h 19m
IAD7:19 amWashington, D.C. Dulles Intl
United Airlines
May 8
IAD12:40 pmWashington, D.C. Dulles Intl
1h 20m
BUF2:00 pmBuffalo
May 15
BUF6:00 amBuffalo
1h 19m
IAD7:19 amWashington, 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 December instead. Flights to Buffalo in December, while not as cheap as those in January, still average around $299.

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 $260. Flights from Washington, D.C. Dulles Intl Airport to Buffalo on a Friday will generally be more expensive and average around $354. 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 $287. 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 $354 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 21 weeks ahead of your departure date. In general, you can expect to find flights to Buffalo for around $339 when searching 21 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 $259 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.

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

As of April 2025, prices for Washington, D.C. Dulles Intl Airport to Buffalo flights are approximately 14% 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

$80

Fastest flight time

1h 03m

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 $80. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Buffalo found on momondo in the last 72 hours is $160.
The fastest flight from Washington, D.C. Dulles Intl Airport to Buffalo takes 1h 03m
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 03m 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
8,618 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 24 times per week, with 8,618 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 $334 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
Cheektowaga
Amherst
Tonawanda
Lockport
Grand Island
West Seneca
East Aurora
Orchard Park
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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