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Cheap flights from Buffalo to Washington, D.C. from $79

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Washington, D.C. departing on 3/8. 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 Buffalo to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:07 am - 7:35 am
BUF
-
IAD
1h 28mnonstop
United Airlines Logo
10:18 pm - 11:44 pm
IAD
-
BUF
1h 26mnonstop
$179United Airlines
Thu, Feb 26 - Mon, Mar 2
United Airlines Logo
6:07 am - 7:35 am
BUF
-
IAD
1h 28mnonstop
United Airlines Logo
10:18 pm - 11:44 pm
IAD
-
BUF
1h 26mnonstop
$180United Airlines
Thu, Feb 26 - Sun, Mar 1
United Airlines Logo
6:07 am - 7:35 am
BUF
-
IAD
1h 28mnonstop
United Airlines Logo
8:20 am - 9:50 am
IAD
-
BUF
1h 30mnonstop
$194United Airlines
Fri, Mar 6 - Sun, Mar 8
Frontier Logo
1:39 pm - 7:24 am
BUF
-
IAD
17h 45m
2 stops
Frontier Logo
6:30 am - 12:05 pm
IAD
-
BUF
5h 35m
1 stop
$198Frontier
Thu, Mar 5 - Thu, Mar 12
Delta Logo
7:00 am - 11:44 am
BUF
-
IAD
4h 44m
1 stop
Delta Logo
6:00 am - 11:43 am
IAD
-
BUF
5h 43m
1 stop
$199Delta
Tue, Mar 3 - Sat, Mar 7
Frontier Logo
1:03 pm - 12:31 am
BUF
-
IAD
11h 28m
1 stop
Frontier Logo
6:20 am - 12:05 pm
IAD
-
BUF
5h 45m
1 stop
$205Frontier
Fri, Mar 6 - Fri, Mar 13
United Airlines Logo
6:07 am - 7:35 am
BUF
-
IAD
1h 28mnonstop
United Airlines Logo
10:18 pm - 11:44 pm
IAD
-
BUF
1h 26mnonstop
$209United Airlines
Sat, Feb 21 - Wed, Feb 25
Frontier Logo
1:39 pm - 7:24 am
BUF
-
IAD
17h 45m
2 stops
Frontier Logo
6:20 am - 12:05 pm
IAD
-
BUF
5h 45m
1 stop
$212Frontier
Thu, Mar 5 - Mon, Mar 9
Frontier Logo
11:17 am - 1:44 pm
BUF
-
IAD
26h 27m
1 stop
Frontier Logo
6:25 am - 12:05 pm
IAD
-
BUF
5h 40m
1 stop
$213Frontier
Thu, Mar 5 - Sun, Mar 8
Delta Logo
5:44 pm - 11:09 pm
BUF
-
IAD
5h 25m
1 stop
Delta Logo
7:52 pm - 12:14 am
IAD
-
BUF
4h 22m
1 stop
$214Delta
Fri, Feb 27 - Sun, Mar 1

Frontier flights from Buffalo to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on Buffalo to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Mar 5
BUF1:39 pmBuffalo
17h 45m
2 stops
IAD7:24 amWashington, D.C. Dulles Intl
Mar 12
IAD6:30 amWashington, D.C. Dulles Intl
5h 35m
1 stop
BUF12:05 pmBuffalo
$198
Frontier
Mar 6
BUF1:03 pmBuffalo
11h 28m
1 stop
IAD12:31 amWashington, D.C. Dulles Intl
Mar 13
IAD6:20 amWashington, D.C. Dulles Intl
5h 45m
1 stop
BUF12:05 pmBuffalo
$205
Frontier
Mar 5
BUF1:39 pmBuffalo
17h 45m
2 stops
IAD7:24 amWashington, D.C. Dulles Intl
Mar 9
IAD6:20 amWashington, D.C. Dulles Intl
5h 45m
1 stop
BUF12:05 pmBuffalo
$212

Delta flights from Buffalo to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Buffalo to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Mar 3
BUF7:00 amBuffalo
4h 44m
1 stop
IAD11:44 amWashington, D.C. Dulles Intl
Mar 7
IAD6:00 amWashington, D.C. Dulles Intl
5h 43m
1 stop
BUF11:43 amBuffalo
$199
Delta
Feb 27
BUF5:44 pmBuffalo
5h 25m
1 stop
IAD11:09 pmWashington, D.C. Dulles Intl
Mar 1
IAD7:52 pmWashington, D.C. Dulles Intl
4h 22m
1 stop
BUF12:14 amBuffalo
$214
Delta
Feb 21
BUF7:00 amBuffalo
4h 44m
1 stop
IAD11:44 amWashington, D.C. Dulles Intl
Feb 25
IAD12:24 pmWashington, D.C. Dulles Intl
6h 36m
1 stop
BUF7:00 pmBuffalo
$229

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo to Washington, D.C. Dulles Intl Airport 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 February 8, 2026.
Use the filters below to find and compare flights from Buffalo to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Thu 2/26

6:07 am-7:35 am

Nonstop1h 28m

Washington, D.C. Dulles Intl

Mon 3/2

10:18 pm-11:44 pm

Nonstop1h 26m

$179

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Thu 2/26

6:07 am-7:35 am

Nonstop1h 28m

Washington, D.C. Dulles Intl

Sun 3/1

10:18 pm-11:44 pm

Nonstop1h 26m

$180

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Fri 3/6

6:07 am-7:35 am

Nonstop1h 28m

Washington, D.C. Dulles Intl

Sun 3/8

8:20 am-9:50 am

Nonstop1h 30m

$194

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Thu 3/5

1:39 pm-7:24 am

2 stops17h 45m

Washington, D.C. Dulles Intl

Thu 3/12

6:30 am-12:05 pm

1 stop5h 35m

$198

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Tue 3/3

7:00 am-11:44 am

1 stop4h 44m

Washington, D.C. Dulles Intl

Sat 3/7

6:00 am-11:43 am

1 stop5h 43m

$199

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Fri 3/6

1:03 pm-12:31 am

1 stop11h 28m

Washington, D.C. Dulles Intl

Fri 3/13

6:20 am-12:05 pm

1 stop5h 45m

$205

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Sat 2/21

6:07 am-7:35 am

Nonstop1h 28m

Washington, D.C. Dulles Intl

Wed 2/25

10:18 pm-11:44 pm

Nonstop1h 26m

$209

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Thu 3/5

1:39 pm-7:24 am

2 stops17h 45m

Washington, D.C. Dulles Intl

Mon 3/9

6:20 am-12:05 pm

1 stop5h 45m

$212

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Thu 3/5

11:17 am-1:44 pm

1 stop26h 27m

Washington, D.C. Dulles Intl

Sun 3/8

6:25 am-12:05 pm

1 stop5h 40m

$213

BuffaloWashington, D.C.

BUF - IAD

BUFIAD

Buffalo

Fri 2/27

5:44 pm-11:09 pm

1 stop5h 25m

Washington, D.C. Dulles Intl

Sun 3/1

7:52 pm-12:14 am

1 stop4h 22m

$214

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 Washington, D.C. from

How to get the cheapest flight ticket from Buffalo to Washington, D.C. Dulles Intl Airport

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 Washington, D.C. Dulles Intl Airport?

In general, May is the cheapest month to fly from Buffalo to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $239. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of May, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $243.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $426. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Buffalo to Washington, D.C. Dulles Intl Airport for around $877.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Buffalo in the morning is the least expensive time of day to depart. momondo users have found prices as low as $435 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,047 on average. Flights to Washington, D.C. Dulles Intl Airport from Buffalo at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Buffalo to Washington, D.C. Dulles Intl flight route?

Fly from Buffalo to Washington, D.C. Dulles Intl for the best Buffalo - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $263 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Buffalo for as low as $212 on momondo.

What cabin class options are available on Buffalo to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Buffalo to Washington, D.C. Dulles Intl 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 Buffalo to Washington, D.C. Dulles Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Buffalo to Washington, D.C. Dulles Intl Airport.

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

As of February 2026, prices for Buffalo to Washington, D.C. Dulles Intl Airport flights are approximately 2% more expensive when compared to flights at the same time last year.

When to book flights from Buffalo to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buffalo to Washington, D.C. Dulles Intl Airport (BUF to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Washington, D.C. Dulles Intl Airport

Best Price Found

$166

Fastest flight time

1h 16m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Buffalo in the past 72 hours is $166. The best round-trip flight deal from Buffalo to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $332.
The fastest flight from Buffalo to Washington, D.C. Dulles Intl Airport takes 1h 16m
Direct flights go from Buffalo to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • How far is Buffalo to Washington, D.C. Dulles Intl by plane?

    Washington, D.C. Dulles Intl is 281.9 mi away from Buffalo. In terms of flight time, this usually takes a little over 1h 16m.

  • When did momondo last update prices for flights from Buffalo Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Buffalo Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Buffalo Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Buffalo Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Buffalo to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Buffalo to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Buffalo to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Buffalo to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $179Free CancellationRating
7.4
9,250 reviews
Search United Airlines flights

  • United Airlines Flights From Buffalo to Washington, D.C. Dulles Intl Airport

    United Airlines operates around 12 flights from Buffalo to Washington, D.C. Dulles Intl Airport every week. The average price of these flights found in the last 72 hours has been $265, but momondo users have found United Airlines deals from Buffalo to Washington, D.C. Dulles Intl Airport from as low as $179 round-trip. United Airlines has been scored 7.4/10 in 9,250 reviews.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
Linthicum Heights

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Washington, D.C.?

Finding the right flight to Washington, D.C. from Buffalo is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Buffalo to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Buffalo which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Buffalo to Washington, D.C.?

Once you have performed a search for Buffalo to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Buffalo to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Buffalo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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