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IAD - BUF

$90 Find cheap flights from Washington Dulles Airport to Buffalo

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Buffalo departing on 7/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 7/11
Thu 7/18

Search hundreds of travel sites at once for deals on flights to Buffalo

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Buffalo, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Buffalo, as well as popular online travel agencies
In the last 7 days travelers have searched 44,212,782 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Cheap flight deals from Dulles Intl to Buffalo (IAD-BUF)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to Buffalo that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
8:25 am - 9:46 amIAD-BUF
1h 21mnonstop
6:18 am - 7:35 amBUF-IAD
1h 17mnonstop
$179United Airlines
Find Deal
Tue, Jul 9 - Tue, Jul 16
10:15 pm - 11:36 pmIAD-BUF
1h 21mnonstop
7:55 pm - 9:12 pmBUF-IAD
1h 17mnonstop
$189United Airlines
Find Deal
Wed, Jul 10 - Fri, Jul 12
10:15 pm - 11:37 pmIAD-BUF
1h 22mnonstop
6:18 am - 7:35 amBUF-IAD
1h 17mnonstop
$193United Airlines
Find Deal
Sat, Jul 20 - Sat, Jul 27
5:10 pm - 12:13 amIAD-BUF
7h 03m1 stop
11:06 am - 5:16 pmBUF-IAD
6h 10m1 stop
$198Delta
Find Deal
Mon, Jul 8 - Tue, Jul 16
6:00 am - 10:43 amIAD-BUF
4h 43m1 stop
6:18 am - 7:35 amBUF-IAD
1h 17mnonstop
$207United Airlines
Find Deal
Thu, Jul 11 - Sat, Jul 13
6:10 am - 11:11 amIAD-BUF
5h 01m1 stop
6:15 am - 11:24 amBUF-IAD
5h 09m1 stop
$221Delta
Find Deal
Tue, Jul 30 - Thu, Aug 1
6:10 am - 11:11 amIAD-BUF
5h 01m1 stop
11:06 am - 5:16 pmBUF-IAD
6h 10m1 stop
$228Delta
Find Deal
Thu, Jul 11 - Thu, Jul 18
1:17 pm - 7:10 pmIAD-BUF
5h 53m1 stop
8:00 pm - 12:18 amBUF-IAD
4h 18m1 stop
$262American Airlines
Find Deal
Tue, Aug 20 - Mon, Aug 26
5:07 am - 9:32 amIAD-BUF
4h 25m1 stop
1:49 pm - 7:44 pmBUF-IAD
5h 55m1 stop
$267American Airlines
Find Deal
Fri, Sep 6 - Fri, Sep 6
6:55 am - 5:22 pmIAD-BUF
10h 27m2 stops
11:07 am - 10:10 pmBUF-IAD
11h 03m2 stops
$272American Airlines
Find Deal
Tue, Sep 10 - Wed, Sep 11

Flights from Dulles Intl to Buffalo - Travel Insights & Trends

Get data-powered insights and trends into flights from Dulles Intl to Buffalo to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Washington Dulles Airport to Buffalo?

The average price of all flights from Washington, D.C. Dulles Intl Airport to Buffalo clicked on KAYAK for each day over the last 12 months.
If your flying dates are flexible, you should consider flying to Buffalo on a Monday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Washington Dulles Airport to Buffalo. For your return ticket, we recommend flying on a Wednesday and avoiding Sundays for the best deals.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Buffalo?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Washington, D.C. Dulles Intl Airport to Buffalo, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Buffalo is January, where tickets cost $248 on average. On the other hand, the most expensive months are April and July, where the average cost of tickets is $360 and $342 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Washington, D.C. Dulles Intl Airport to Buffalo, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Buffalo, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 87 days before departure.

Which airlines provide the cheapest flights from Washington Dulles Airport to Buffalo?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The best deals for a one-way ticket found by KAYAK users over the last 3 days were on United Airlines ($90) and Delta ($99). The cheapest round-trip tickets were found on United Airlines ($179) and Delta ($198).

Which airlines fly non-stop between Washington, D.C. Dulles Intl Airport and Buffalo?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for flights from Washington, D.C. Dulles Intl Airport to Buffalo.
There is just one airline that flies from Washington, D.C. Dulles Intl Airport to Buffalo direct and that is United Airlines. The best one-way deal found from United Airlines for the route is $185.

How many flights are there between Washington, D.C. Dulles Intl Airport and Buffalo per day?

Each day, there are between 5 and 8 nonstop flights that take off from Washington, D.C. Dulles Intl Airport and land in Buffalo, with an average flight time of 1h 22m. The most common departure time is 8:00 am and most flights take off in the morning. Each week, there are 48 flights. The most frequent day of departure is Thursday, when 17% of all weekly flights depart. The fewest flights depart on a Sunday.

Which cabin class options are there for flights between Washington, D.C. Dulles Intl Airport and Buffalo?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Washington Dulles Airport to Buffalo take?

Direct flights take on average 1h 17m to travel the 284 miles between Washington Dulles Airport and Buffalo.

What’s the earliest departure time from Washington Dulles Airport to Buffalo?

Early birds can take the earliest flight from Washington, D.C. Dulles Intl Airport at 8:20 am and will be landing in Buffalo at 9:42 am.

What’s the latest departure time from Washington Dulles Airport to Buffalo?

If you prefer to fly at night, the latest flight from Washington, D.C. Dulles Intl Airport to Buffalo jets off at 10:15 pm and lands at 11:36 pm.

Good to know

Low season

February

High season

July

Cheapest flight

$90
Best time to beat the crowds with an average 31% drop in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Washington Dulles Airport to Buffalo

When to book flights from Dulles Intl to Buffalo

Are your dates flexible? Find out the best times to travel from Dulles Intl to Buffalo based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Washington Dulles Airport to Buffalo flights

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Buffalo?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Buffalo was $90 for a one-way ticket and $179 for a round-trip.

  • Do I need a passport to fly between Washington Dulles Airport and Buffalo?

    No

  • Which airlines offer Wi-Fi service onboard planes from Washington Dulles Airport to Buffalo?

    American Airlines, and Breeze Airways offer inflight Wi-Fi service on the Washington Dulles Airport to Buffalo flight route.

  • Which aircraft models fly most regularly from Washington Dulles Airport to Buffalo?

    The Embraer 175 (Enhanced Winglets) is the aircraft model that flies most regularly on the Washington Dulles Airport to Buffalo flight route.

  • Which airline alliances offer flights from Washington Dulles Airport to Buffalo?

    Star Alliance is the only airline alliance operating flights between Washington Dulles Airport and Buffalo.

  • On which days can I fly direct from Washington Dulles Airport to Buffalo?

    There are nonstop flights from Washington Dulles Airport to Buffalo on a daily basis.

  • Which is the best airline for flights from Washington, D.C. to Buffalo, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to Buffalo are Delta and United Airlines. With an average price for the route of $243 and an overall rating of 8.0, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $348 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to Buffalo?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Buffalo.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Buffalo?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Buffalo from Washington Dulles Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington Dulles Airport to Buffalo?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Buffalo with an airline and back to Washington Dulles Airport with another airline. Booking your flights between Washington Dulles Airport and BUF can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Buffalo?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Buffalo from Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Washington, D.C. Dulles Intl Airport to Buffalo

  • Looking for a cheap flight? 25% of our users found flights on this route for $149 or less one-way and $243 or less round-trip.

Prefer to fly non-stop from Washington Dulles Airport to Buffalo?

Find which airlines fly direct from Dulles Intl to Buffalo, which days they fly and book direct flights.

Nonstop departures

Washington, D.C. Dulles Intl to Buffalo

Monday

Avianca, Brussels Airlines, Copa Airlines, +2 more

Avianca, Brussels Airlines, +3 more

Tuesday

Avianca, Brussels Airlines, Copa Airlines, +2 more

Avianca, Brussels Airlines, +3 more

Wednesday

Avianca, Brussels Airlines, Copa Airlines, +2 more

Avianca, Brussels Airlines, +3 more

Thursday

Avianca, Brussels Airlines, Copa Airlines, +2 more

Avianca, Brussels Airlines, +3 more

Friday

Avianca, Brussels Airlines, Copa Airlines, +2 more

Avianca, Brussels Airlines, +3 more

Saturday

Avianca, Brussels Airlines, Copa Airlines, +2 more

Avianca, Brussels Airlines, +3 more

Sunday

Avianca, Brussels Airlines, Copa Airlines, +2 more

Avianca, Brussels Airlines, +3 more

See more direct flights

Nonstop returns

Buffalo to Washington, D.C. Dulles Intl

Monday

Avianca, Brussels Airlines, Copa Airlines, +2 more

Avianca, Brussels Airlines, +3 more

Tuesday

Avianca, Brussels Airlines, Copa Airlines, +2 more

Avianca, Brussels Airlines, +3 more

Wednesday

Avianca, Brussels Airlines, Copa Airlines, +2 more

Avianca, Brussels Airlines, +3 more

Thursday

Avianca, Brussels Airlines, Copa Airlines, +2 more

Avianca, Brussels Airlines, +3 more

Friday

Avianca, Brussels Airlines, Copa Airlines, +2 more

Avianca, Brussels Airlines, +3 more

Saturday

Avianca, Copa Airlines, Lufthansa, +2 more

Avianca, Copa Airlines, +3 more

Sunday

Avianca, Copa Airlines, Lufthansa, +2 more

Avianca, Copa Airlines, +3 more

See more direct flights
See more direct flights

Top 3 airlines serving from Dulles Intl to Buffalo

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to Buffalo. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Dulles Intl to Buffalo? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 10277 reviews
7.9Comfort
8.0Entertainment
8.2Boarding
7.4Food
8.6Crew
Airline reviews

3 hours late and all they have is was a $12 meal voucher. That’s not even enough to cover fast food.

2.0 MediocreCraig, Jun 2024CVG - LGA
Read more about Delta reviews

3 hours late and all they have is was a $12 meal voucher. That’s not even enough to cover fast food.

Friendly flight attendants. Comfort plus seats were very comfortable and had lots of leg room. 10A and 10 B.

Our flight to Zurich was delayed by almost 3 hours, so we missed our next flight. There was no indication it would be delayed this much. We were told the gate had changed and then it apparently took over 2 hours to load the "catering" on the plane. We were not compensated in any way for the trouble.

The 1st class male crew member was very pleasant - the short female with round glasses , maybe in 50’s had no personality- never spoke when delivering my food, drink, & never smiled the whole trip! In fact looked annoyed when the boarding proses was happening- I would never hire this woman - unfriendly . Have never dealt with a crew member like her-

A regional sized plane was used for a cross country flight with no overhead bin space. I had to "pink check" my laptop and my medications. I was NOT pleased!!!!

Best airline! Always friendly and welcoming. Skyclub was great and loved the fast free wifi on board. I also love that you can pre-order your meal on the app!

The gate area was incredibly short staffed, with one representative manning 4-5 flights, which caused a 3 hr delay in boarding even though the plane was all ready to leave. Other flights also were delayed because of this. The flight crew was awesome and I feel bad for the only gate worker on call, but Delta needs to hire more employees.

It was a crowded flight. They did the best they could.

Boarding was great. The flight landed early. It took the crew over an hour and a half to bring out drinks. I paid to upgrade my seat to Comfort+ only to be near a crying/screaming baby who was seldom quiet. Noise-cancelling earbuds didn’t even help. Waste of money to upgrade.

Boarding was a sh!t show. JFK BOARDING was awful. The agent called three sections at a time Clogging the area then yelling at people to not block the walk way. How are you going to call delta one , premium select and comfort plus at once and the yell at highest paying passengers. Need to do a lot better and the flight attendants in the galley need to understand that their voices travel. They were talking about others and everyone in the cabin heard them

We ended up with seats in the very back. So they did not recline. Have no idea why, we reserved and checked in very early. The isles were very narrow and the seats had very little leg room. But they did give us water, and a snack.

Should have video screens Plane audio was poor and without wired connection hard to understand crew. Should serve more than just cups of water and pretzels on six hour flight. Did not see crew rest of flight. Fix charging sockets to retain charging blocks.

they made me check my carryon. There was space in the overhead bins.

The plane was delayed 2 hours. The wifi did not work. The seat in first class was not comfortable because the bottom felt like it lost all of its padding. And I did not like when the flight attendant made me wait at my seat to use the bathroom and didn't tell me why. If there were too many people using the 1st Class bathroom, she should have told me to go in the back, coach bathrooms. I guess I have to feel fortunate that they found 2 local pilots to still fly the plane tonight after the original pilots ended up at an airport 60 miles away due to high winds.

The crew were really great, but the 4 hour delay in small chunks was the worst.

Just a crappy airline. The same every time. You feel you are a cow on a farm. You are being being whipped and pulled.

Wasn’t very crowded. Seamless processes. No issues traveling with two little kids.

My interaction with the flight attendent Eve was horrible. I was seated in 3F and was blown away watching her repeatedly skip me as she took other customer orders for lunch...she took the customer next to me but skipped me, then took everyone's order around me (in front of and behind me) . After she had taken every customer's orders to include those behind me, she came to me and said we are out of everything except one last item. I was mortified, in that, I am a 1k flyer, had pre-ordered AND as an African American could only assume why she repeatedly skipped me...mortified. no words

The Flight was good, pilot seemed very skillful. My wheel chair sister who could barely walk was allotted the second last seat in the aircraft, with great difficulty she managed to reach on her seat, as she required attendance we were given separate seat, even on request no one cared, so much so there were single passengers who were given twin seats. May not be taken as complaint but a reminder to the checkin staff to keep in mind in future the allottment of wheel chair passengers seats.

Almost 2 hour delay in boarding with all standing ready to board at original time. No explanation given.

This is by far the worst experience I have had with American Airlines. The start of this trip was a complete disaster. I purposely planned my trip so that I would weather any delays so that I could make very important meeting at the Pentagon. My flight was cancelled because of maintenance and I was put on the first flight the next day but I was late to the meeting. After a long week at the Pentagon I just wanted to go home and my flight home which was early in the day was delayed. Eventually the flight was delayed until the next day. I was not authorized a hotel room because DCA was my point of origin. So I paid for a hotel out of pocket. The flight this morning was boarded then deplaned because the aircraft was hot. The flow of information was not happening in DCA and made it worse when the news was bad. I am going to take a break from American for my next few military flights. Hopefully whatever has been going on with American Airlines will be resolved.

AA1537 the AC was not working properly. It was very hot and uncomfortable.

Overall the flights pretty good. The snacks we’re good and they were plenty of them. Both boarding and deplaning went quickly.

Delayed abs delayed Gate crew giving poor info - we are definitely leaving at —- Ultimately to cancel flight after 4+ hours of delays Just cancel it earlier

The flight was scheduled to depart DCA at 12:30 pm but was delayed twice on the ground so that we were finally scheduled to depart at around 4:00 pm. Once we boarded, it was announced that takeoff would be delayed again to fix a hydraulic problem which delayed our eventual takeoff until around 5:00 pm. Once we departed, it was a smooth flight back to ORD. We did not get any explanation about what caused the original significant delay. In my experience, this happens frequently with AA.

Lots of weather delays that were poorly communicated and managed. I get there are weather delays but they didn’t make it clear what was happening or comfortable on the plane

Everything was on time; the flight attendants and the gate personnel were very pleasant and helpful.

Our second leg to Jackson WY was unable to land due to weather. We were flown back to Dallas after stopping in SLC. We were given hotel rooms and vouchers. We were told that we would be back on the same plane in the morning. Instead we were given a different flight with different seats. Not a good experience. No one knew what was going on.

Perfect flight. On time departure and early arrival. Smooth flight.

Awful! The flight was delayed and we sat on the plane in DCA for an hour because fuel was out in the wrong part of the plane and would not be accessible during flight. So the plane had to be refueled in correct tank. They also allowed someone to get off of the plane. This delayed my six hour flight by an hour and made me miss my connecting flight. I ran to new gate and American Airlines agents new about the delay and even knew that I was trying to make the connection. They knew thru communication with my friend while in flight that I was in the airport and running to the new gate and they still closed the gate and refused to let me on the new flight despite plane still being at the gate. It was horrible and I had to be rebooked on a flight for 24 hours later. This has been a nightmare and if American Airlines can cause customers to be delayed and then have zero empathy as having an on time flight was more important to them than helping a customer who was delayed by no fault of her own, then it's seems that it's not a company that I want to continue to give my loyalty to. I'm so disgusted.

Book cheap flights from Washington, D.C. to Buffalo

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Buffalo found on KAYAK in the last 72 hours.
7/12Fri
nonstopUnited Airlines
1h 21mIAD-BUF
$90
7/10Wed
1 stopDelta
7h 03mIAD-BUF
$99
7/11Thu
1 stopUnited Airlines
4h 43mIAD-BUF
$118
7/2Tue
nonstopUnited Airlines
1h 21mIAD-BUF
$120
8/7Wed
1 stopDelta
5h 03mIAD-BUF
$122
7/16Tue
1 stopAmerican Airlines
4h 24mIAD-BUF
$148
8/1Thu
1 stopAmerican Airlines
6h 23mIAD-BUF
$181
6/22Sat
1 stopSun Country Air
25h 04mIAD-BUF
$199
7/2Tue
3 stopsWestJet
20h 15mIAD-BUF
$578
7/12Fri
3 stopsWestJet
24h 16mIAD-BUF
$823

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Last minute flights from Dulles Intl to Buffalo

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Washington, D.C. to Buffalo that are departing in the next 10 days.
6/16Sun
nonstopUnited Airlines
1h 23mIAD-BUF
6/17Mon
nonstopUnited Airlines
1h 18mBUF-IAD
$457
6/16Sun
multi-stopAmerican Airlines
4h 08mIAD-BUF
6/17Mon
multi-stopAmerican Airlines
5h 13mBUF-IAD
$476
6/12Wed
nonstopUnited Airlines
1h 27mIAD-BUF
6/18Tue
nonstopUnited Airlines
1h 17mBUF-IAD
$478
6/12Wed
nonstopUnited Airlines
1h 23mIAD-BUF
6/18Tue
multi-stopUnited Airlines
10h 00mBUF-IAD
$479
6/12Wed
nonstopUnited Airlines
1h 21mIAD-BUF
6/18Tue
multi-stopUnited Airlines
4h 59mBUF-IAD
$488
6/13Thu
nonstopUnited Airlines
1h 21mIAD-BUF
6/13Thu
nonstopUnited Airlines
1h 17mBUF-IAD
$499
6/13Thu
multi-stopAmerican Airlines
4h 23mIAD-BUF
6/14Fri
multi-stopAmerican Airlines
5h 13mBUF-IAD
$518
6/12Wed
multi-stopDelta
3h 34mIAD-BUF
6/13Thu
multi-stopDelta
6h 15mBUF-IAD
$538
6/13Thu
multi-stopDelta
7h 06mIAD-BUF
6/15Sat
multi-stopDelta
5h 12mBUF-IAD
$576
6/12Wed
multi-stopDelta
6h 50mIAD-BUF
6/15Sat
multi-stopDelta
5h 08mBUF-IAD
$658

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Washington Dulles Airport - Buffalo Flights

Departure:

Washington Dulles Airport (IAD)United States

Destination:

Buffalo (BUF)United States

Return flight deals:

Buffalo - Washington Dulles Airport

Cabin classes:

$571
$368
$478
$179