Cheap Flights from Washington Dulles to Buffalo Niagara from $272

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Flight deals from Washington Dulles to Buffalo Niagara

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Buffalo Niagara Airport? If you want to travel next month, return fares start from $272. Find the lowest prices on one-way and return tickets right here.

Buffalo.$272 per passenger.Departing Wed, 29 Apr, returning Tue, 5 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Wed, 29 Apr, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Tue, 5 May, arriving in Washington Dulles.Price includes taxes and charges.From $272, select.

Buffalo.$272 per passenger.Departing Wed, 20 May, returning Sat, 23 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Wed, 20 May, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sat, 23 May, arriving in Washington Dulles.Price includes taxes and charges.From $272, select.

Buffalo.$307 per passenger.Departing Wed, 27 May, returning Wed, 3 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Wed, 27 May, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Wed, 3 Jun, arriving in Washington Dulles.Price includes taxes and charges.From $307, select.

Buffalo.$311 per passenger.Departing Tue, 2 Jun, returning Tue, 9 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Tue, 2 Jun, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Tue, 9 Jun, arriving in Washington Dulles.Price includes taxes and charges.From $311, select.

Buffalo.$324 per passenger.Departing Wed, 10 Jun, returning Tue, 7 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Wed, 10 Jun, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Tue, 7 Jul, arriving in Washington Dulles.Price includes taxes and charges.From $324, select.

Buffalo.$343 per passenger.Departing Sun, 26 Apr, returning Wed, 29 Apr.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Sun, 26 Apr, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Wed, 29 Apr, arriving in Washington Dulles.Price includes taxes and charges.From $343, select.

Buffalo.$392 per passenger.Departing Wed, 15 Jul, returning Sat, 8 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Wed, 15 Jul, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sat, 8 Aug, arriving in Washington Dulles.Price includes taxes and charges.From $392, select.

Buffalo.$393 per passenger.Departing Wed, 15 Jul, returning Wed, 22 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Wed, 15 Jul, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Wed, 22 Jul, arriving in Washington Dulles.Price includes taxes and charges.From $393, select.

Buffalo.$404 per passenger.Departing Sat, 9 May, returning Fri, 15 May.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Sat, 9 May, arriving in Buffalo Niagara.Inbound direct flight with United departs from Buffalo Niagara on Fri, 15 May, arriving in Washington Dulles.Price includes taxes and charges.From $404, select.

Buffalo.$407 per passenger.Departing Wed, 30 Sep, returning Sat, 3 Oct.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Wed, 30 Sep, arriving in Buffalo Niagara.Inbound direct flight with United departs from Buffalo Niagara on Sat, 3 Oct, arriving in Washington Dulles.Price includes taxes and charges.From $407, select.

Buffalo.$407 per passenger.Departing Tue, 14 Jul, returning Sat, 1 Aug.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Tue, 14 Jul, arriving in Buffalo Niagara.Inbound direct flight with United departs from Buffalo Niagara on Sat, 1 Aug, arriving in Washington Dulles.Price includes taxes and charges.From $407, select.

Buffalo.$407 per passenger.Departing Wed, 3 Jun, returning Sun, 7 Jun.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Wed, 3 Jun, arriving in Buffalo Niagara.Inbound direct flight with United departs from Buffalo Niagara on Sun, 7 Jun, arriving in Washington Dulles.Price includes taxes and charges.From $407, select.

Buffalo.$407 per passenger.Departing Thu, 2 Jul, returning Wed, 8 Jul.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Thu, 2 Jul, arriving in Buffalo Niagara.Inbound direct flight with United departs from Buffalo Niagara on Wed, 8 Jul, arriving in Washington Dulles.Price includes taxes and charges.From $407, select.

Buffalo.$407 per passenger.Departing Tue, 23 Jun, returning Tue, 7 Jul.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Tue, 23 Jun, arriving in Buffalo Niagara.Inbound direct flight with United departs from Buffalo Niagara on Tue, 7 Jul, arriving in Washington Dulles.Price includes taxes and charges.From $407, select.

Buffalo.$413 per passenger.Departing Sun, 2 Aug, returning Fri, 21 Aug.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Sun, 2 Aug, arriving in Buffalo Niagara.Inbound direct flight with United departs from Buffalo Niagara on Fri, 21 Aug, arriving in Washington Dulles.Price includes taxes and charges.From $413, select.

Buffalo.$426 per passenger.Departing Tue, 26 May, returning Tue, 9 Jun.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Tue, 26 May, arriving in Buffalo Niagara.Inbound direct flight with United departs from Buffalo Niagara on Tue, 9 Jun, arriving in Washington Dulles.Price includes taxes and charges.From $426, select.

Find the cheapest month to fly from Washington Dulles to Buffalo Niagara

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Buffalo Niagara flights are currently cheapest in May.

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Direct flights from Washington Dulles to Buffalo Niagara

Washington Dulles to Buffalo Niagara: Alternative routes

Compare routes from Washington Dulles to Buffalo below. You may find an airport to fly into that's cheaper, faster, or easier than Buffalo Niagara.

Washington D.C. to Buffalo: Flight information

The things to know before you go.

Cheapest flight found	$272
Cheapest month to fly	April
Average flight time	1 hr, 26 mins
Most popular airline	United
Average flights per week	95

Finding cheap flights from Washington Dulles to Buffalo Niagara: Frequently asked questions

How much are return flights from Washington Dulles to Buffalo Niagara?

The best price we found for a return flight from Washington Dulles to Buffalo Niagara is $272. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Washington Dulles to Buffalo Niagara?

1 hour and 26 minutes is the average flight time from Washington Dulles to Buffalo Niagara.

Which airlines fly direct from Washington Dulles to Buffalo Niagara?

United, CommutAir and GoJet Airlines fly direct from Washington Dulles to Buffalo Niagara.

How many flights are there a week from Washington Dulles to Buffalo Niagara?

As of April 2026, there are 96 flights per week flying from Washington Dulles to Buffalo Niagara.

When is the cheapest time to fly from Washington Dulles to Buffalo Niagara?

The cheapest month to fly from Washington Dulles to Buffalo Niagara is usually April.

Which upcoming date is cheapest to fly from Washington Dulles Airport to Buffalo Niagara Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Buffalo Niagara Airport on Wednesday, 29 April 2026.

Can I get a direct flight from Washington Dulles Airport to Buffalo Niagara Airport?

Yes – the average flight time is 1 hour and 26 minutes.

How can I find the best flight deal to Buffalo Niagara?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Buffalo Niagara but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Buffalo?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Buffalo is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Washington Dulles Airport to Buffalo Niagara with?

Currently, Frontier Airlines and United offer the cheapest flight tickets to Buffalo Niagara.

Travelling from Washington Dulles International Airport (IAD) to Buffalo Niagara International Airport (BUF): what you need to know

The average time for a direct flight from Washington Dulles International Airport to Buffalo Niagara International Airport is 1 hour 20 minutes.
You can choose from 39 weekly Washington Dulles International Airport to Buffalo Niagara International Airport flights. The 08:15 departure with United Airlines is the earliest available. United Airlines operates the latest service of the day at 22:30.
To ensure you get on your IAD to BUF flight, leave enough time to check in and drop off your luggage. Arriving two hours ahead of international departures and an hour before domestic flights is the general rule.
Be prepared for longer queues in popular months like April. Arriving up to four hours in advance for an international flight and two hours for domestic departures will give you ample time for security and boarding.
United Airlines is your ticket to exploring Buffalo (and perhaps some other exciting parts of United States!). Check out the direct flights from Washington Dulles International Airport to Buffalo Niagara International Airport offered by this popular carrier.
The airline most travellers fly with on this route is United Airlines.
The most punctual carrier that operates IAD to BUF flights is United Airlines. Its services land as planned 72.08% of the time.
If you'd like to include a stop along the way, just uncheck 'Direct flights only' when searching for your ticket from Washington Dulles International Airport to Buffalo Niagara International Airport. These are the top stopovers between IAD and BUF:
- Detroit Metropolitan Wayne County Airport
- Philadelphia International Airport
- Newark Liberty International Airport

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Buffalo Niagara International Airport (BUF)

$119 is the lowest price for a one-way Washington Dulles International Airport to Buffalo Niagara International Airport flight. Return flights start from $272. These fares can change based on demand and availability.
To secure cheap tickets from IAD to BUF, book your journey eight months before your planned departure.
Plan your trip for July. That's the cheapest month for flights from Washington Dulles International Airport to Buffalo Niagara International Airport. If your travel dates are flexible, try out the 'Whole month' tool to see the lowest price across every month.
You don't need to check back in every day to find out if fares have gone down when you create a Price Alert. We'll notify you as soon as a special offer becomes available on cheap flights from IAD to BUF.
Pick your preferred departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Washington Dulles International Airport to Buffalo Niagara International Airport.

Handy information about Washington Dulles International Airport (IAD)

IAD is located at 1 Saarinen Circle.
74.39% of flights that leave from Washington Dulles International Airport make it to their destination on schedule.
Central Washington DC to Washington Dulles International Airport is approximately 56 kilometres. Depending on traffic, it'll take about 50 minutes to get there if you're driving, ride-sharing or catching a cab.
Catching public transport? Expect a trip time of around 3 hours 25 minutes.
Get your trip off to a relaxed start by staying near IAD. Whether you're boarding an early flight from Washington Dulles International Airport to Buffalo Niagara International Airport or just don't like being rushed, these hotels are the answer:

Arriving at Buffalo Niagara International Airport (BUF)

The last thing you want is a lengthy journey to your hotel if you're getting in late on a Washington Dulles International Airport to Buffalo Niagara International Airport flight. Stay at one of these accommodation options near BUF instead:
Explore without limits with a Buffalo Niagara International Airport rental car. Pick up your wheels from Dollar, Hertz or Budget and chase adventure across Buffalo and beyond.
Secure the lowest price by reserving your ride from Buffalo Niagara International Airport around two weeks ahead of your departure.

Getting from Buffalo Niagara International Airport (BUF) to central Buffalo

You'll find BUF at Genesee Street.
Buffalo Niagara International Airport to the centre of Buffalo has a drive time of around 20 minutes. It's approximately 18 kilometres away.
Getting there by public transport takes roughly 1 hour 15 minutes.

When to fly to Buffalo Niagara International Airport (BUF)

It's time to choose your travel dates for your flight from Washington Dulles International Airport to Buffalo Niagara International Airport. August is the busiest month to head to Buffalo. If you'd like a more relaxed vibe, go in May.
Lock in your flight from Washington Dulles International Airport to Buffalo Niagara International Airport for July if you want to visit Buffalo during its warmest month. You can expect temperatures of between 15ºC and 28ºC.
If you want cooler conditions, search for a cheap ticket from IAD to BUF in January. Temperatures average between -10ºC and 2ºC then.

Explore more of United States

New York is just one of the many places in United States waiting to be discovered after you've seen Buffalo. Around 467 kilometres away to the south-east, popular attractions include Statue of Liberty, Central Park and Empire State Building.
Around 451 kilometres south-east of Buffalo, Philadelphia is another essential stop in United States. Start your sightseeing at Liberty Bell, Independence Hall and Philadelphia Museum of Art.