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Cheap flights from Washington, D.C. Dulles Intl Airport to Buffalo from $98

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 10/5. 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 (IAD-BUF)

Cheap round-trip flights

Delta Logo
1:00 pm - 6:07 pmIAD-BUF
5h 07m1 stop
Delta Logo
6:20 am - 11:32 amBUF-IAD
5h 12m1 stop
$209Delta
Find Deal
mié., sep. 3 - sáb., sep. 6
Frontier Logo
6:00 am - 1:47 pmIAD-BUF
7h 47m1 stop
Frontier Logo
2:42 pm - 12:11 amBUF-IAD
9h 29m1 stop
$218Frontier
Find Deal
vie., oct. 31 - dom., nov. 2
Delta Logo
8:17 pm - 12:21 amIAD-BUF
4h 04m1 stop
Delta Logo
6:15 am - 11:28 amBUF-IAD
5h 13m1 stop
$220Delta
Find Deal
jue., sep. 11 - sáb., sep. 13
United Airlines Logo
10:30 pm - 11:59 pmIAD-BUF
1h 29mnonstop
United Airlines Logo
6:00 am - 7:20 amBUF-IAD
1h 20mnonstop
$221United Airlines
Find Deal
vie., sep. 12 - dom., sep. 14
Delta Logo
7:59 pm - 10:31 amIAD-BUF
14h 32m1 stop
Delta Logo
10:30 am - 4:29 pmBUF-IAD
5h 59m1 stop
$222Delta
Find Deal
mar., oct. 14 - sáb., oct. 18
United Airlines Logo
8:25 am - 9:45 amIAD-BUF
1h 20mnonstop
United Airlines Logo
8:00 pm - 9:19 pmBUF-IAD
1h 19mnonstop
$230United Airlines
Find Deal
vie., sep. 19 - sáb., sep. 20
American Airlines Logo
6:34 am - 5:41 pmIAD-BUF
11h 07m2 stops
American Airlines Logo
3:34 pm - 7:45 pmBUF-IAD
4h 11m1 stop
$270American Airlines
Find Deal
sáb., oct. 18 - sáb., oct. 25
American Airlines Logo
2:21 pm - 9:51 pmIAD-BUF
7h 30m2 stops
American Airlines Logo
7:50 am - 1:51 pmBUF-IAD
6h 01m1 stop
$273American Airlines
Find Deal
mar., sep. 16 - mar., sep. 23
Logo
6:10 am - 5:27 pmIAD-BUF
11h 17m2 stops
Logo
7:41 pm - 6:24 pmBUF-IAD
22h 43m1 stop
$285
Find Deal
jue., sep. 4 - dom., sep. 7
Logo
6:10 am - 5:27 pmIAD-BUF
11h 17m2 stops
Logo
7:41 pm - 6:24 pmBUF-IAD
22h 43m1 stop
$288
Find Deal
jue., sep. 25 - dom., sep. 28

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 12
IAD10:30 pmWashington, D.C. Dulles Intl
1h 29m
BUF11:59 pmBuffalo
Sep 14
BUF6:00 amBuffalo
1h 20m
IAD7:20 amWashington, D.C. Dulles Intl
$221
Find similar
United Airlines
Sep 19
IAD8:25 amWashington, D.C. Dulles Intl
1h 20m
BUF9:45 amBuffalo
Sep 20
BUF8:00 pmBuffalo
1h 19m
IAD9:19 pmWashington, D.C. Dulles Intl
$230
Find similar
United Airlines
Sep 12
IAD10:30 pmWashington, D.C. Dulles Intl
1h 29m
BUF11:59 pmBuffalo
Sep 15
BUF8:00 pmBuffalo
1h 19m
IAD9:19 pmWashington, D.C. Dulles Intl
$239
Find similar

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 31
IAD6:00 amWashington, D.C. Dulles Intl
7h 47m
1 stop
BUF1:47 pmBuffalo
Nov 2
BUF2:42 pmBuffalo
9h 29m
1 stop
IAD12:11 amWashington, D.C. Dulles Intl
$218
Find similar
Frontier
Sep 19
IAD6:10 amWashington, D.C. Dulles Intl
5h 12m
1 stop
BUF11:22 amBuffalo
Sep 20
BUF7:11 pmBuffalo
23h 03m
1 stop
IAD6:14 pmWashington, D.C. Dulles Intl
$225
Find similar
Frontier
Aug 28
IAD6:10 amWashington, D.C. Dulles Intl
5h 30m
1 stop
BUF11:40 amBuffalo
Aug 31
BUF12:26 pmBuffalo
11h 50m
1 stop
IAD12:16 amWashington, D.C. Dulles Intl
$228
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Buffalo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated agosto 21, 2025.
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

mié. 9/3

1:00 pm-6:07 pm

1 stop5h 07m

Buffalo

sáb. 9/6

6:20 am-11:32 am

1 stop5h 12m

$209

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

vie. 10/31

6:00 am-1:47 pm

1 stop7h 47m

Buffalo

dom. 11/2

2:42 pm-12:11 am

1 stop9h 29m

$218

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

jue. 9/11

8:17 pm-12:21 am

1 stop4h 04m

Buffalo

sáb. 9/13

6:15 am-11:28 am

1 stop5h 13m

$220

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

vie. 9/12

10:30 pm-11:59 pm

Nonstop1h 29m

Buffalo

dom. 9/14

6:00 am-7:20 am

Nonstop1h 20m

$221

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

mar. 10/14

7:59 pm-10:31 am

1 stop14h 32m

Buffalo

sáb. 10/18

10:30 am-4:29 pm

1 stop5h 59m

$222

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

vie. 9/19

8:25 am-9:45 am

Nonstop1h 20m

Buffalo

sáb. 9/20

8:00 pm-9:19 pm

Nonstop1h 19m

$230

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

sáb. 10/18

6:34 am-5:41 pm

2 stops11h 07m

Buffalo

sáb. 10/25

3:34 pm-7:45 pm

1 stop4h 11m

$270

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

mar. 9/16

2:21 pm-9:51 pm

2 stops7h 30m

Buffalo

mar. 9/23

7:50 am-1:51 pm

1 stop6h 01m

$273

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

jue. 9/4

6:10 am-5:27 pm

2 stops11h 17m

Buffalo

dom. 9/7

7:41 pm-6:24 pm

1 stop22h 43m

$285

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

jue. 9/25

6:10 am-5:27 pm

2 stops11h 17m

Buffalo

dom. 9/28

7:41 pm-6:24 pm

1 stop22h 43m

$288

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $276. Flights from Washington, D.C. Dulles Intl Airport to Buffalo on a Sunday will generally be more expensive and average around $345. 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 $280. 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 $323 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 $314 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.

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

As of August 2025, prices for Washington, D.C. Dulles Intl Airport to Buffalo flights are approximately 34% 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

$212

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 $212. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Buffalo found on momondo in the last 72 hours is $282.
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)
Search flight deals

  • 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 $185Free CancellationRating
7.4
8,930 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 18 times per week, with 8,930 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 $185 (round-trip), much lower than the average airfare cost of $318 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
Cheektowaga
Tonawanda
Amherst
Williamsville
Grand Island
Lockport
Orchard Park
West Seneca
East Aurora
Eden
Angola
Bowmansville

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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