Cheap Flights from Seattle (SEA) to Buffalo (BUF)

View AU$270 flight on Wed, 21 May 2025Opens in a new window

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Cheap Flights from Seattle (SEA) to Buffalo (BUF)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed., 7 May - Wed., 14 May
SEA
Seattle
BUF
Buffalo
AU$544 Return, found 2 days ago
AU$544
Return
found 2 days ago
Select American Airlines flight, departing Wed., 7 May from Seattle to Buffalo, returning Wed., 14 May, priced at AU$544 found 2 days ago
Delta
Wed., 7 May - Wed., 14 May
SEA
Seattle
BUF
Buffalo
AU$544 Return, found 2 days ago
AU$544
Return
found 2 days ago
Select Delta flight, departing Wed., 7 May from Seattle to Buffalo, returning Wed., 14 May, priced at AU$544 found 2 days ago
American Airlines
Wed., 7 May - Wed., 14 May
SEA
Seattle
BUF
Buffalo
AU$583 Return, found 2 days ago
AU$583
Return
found 2 days ago
Select American Airlines flight, departing Wed., 7 May from Seattle to Buffalo, returning Wed., 14 May, priced at AU$583 found 2 days ago
Delta
Thu., 8 May - Fri., 9 May
SEA
Seattle
BUF
Buffalo
AU$586 Return, found 8 hours ago
AU$586
Return
found 8 hours ago
Select Delta flight, departing Thu., 8 May from Seattle to Buffalo, returning Fri., 9 May, priced at AU$586 found 8 hours ago
Delta
Wed., 7 May - Wed., 14 May
SEA
Seattle
BUF
Buffalo
AU$604 Return, found 2 days ago
AU$604
Return
found 2 days ago
Select Delta flight, departing Wed., 7 May from Seattle to Buffalo, returning Wed., 14 May, priced at AU$604 found 2 days ago
American Airlines
Wed., 7 May - Wed., 14 May
SEA
Seattle
BUF
Buffalo
AU$619 Return, found 2 days ago
AU$619
Return
found 2 days ago
Select American Airlines flight, departing Wed., 7 May from Seattle to Buffalo, returning Wed., 14 May, priced at AU$619 found 2 days ago
American Airlines
Thu., 8 May - Fri., 9 May
SEA
Seattle
BUF
Buffalo
AU$621 Return, found 8 hours ago
AU$621
Return
found 8 hours ago
Select American Airlines flight, departing Thu., 8 May from Seattle to Buffalo, returning Fri., 9 May, priced at AU$621 found 8 hours ago
United
Wed., 7 May - Wed., 14 May
SEA
Seattle
BUF
Buffalo
AU$624 Return, found 2 days ago
AU$624
Return
found 2 days ago
Select United flight, departing Wed., 7 May from Seattle to Buffalo, returning Wed., 14 May, priced at AU$624 found 2 days ago
Alaska Airlines
Wed., 7 May - Wed., 14 May
SEA
Seattle
BUF
Buffalo
AU$636 Return, found 2 days ago
AU$636
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed., 7 May from Seattle to Buffalo, returning Wed., 14 May, priced at AU$636 found 2 days ago
American Airlines
Wed., 21 May - Sun., 25 May
SEA
Seattle
BUF
Buffalo
AU$636 Return, found 6 days ago
AU$636
Return
found 6 days ago
Select American Airlines flight, departing Wed., 21 May from Seattle to Buffalo, returning Sun., 25 May, priced at AU$636 found 6 days ago
Flight from Seattle to Buffalo route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Buffalo Niagara Intl.
Return price
AU$543
Distance
3385 km

Your quick guide to flights from Seattle to Buffalo

Pick up great flights from Seattle to Buffalo

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Seattle to Buffalo. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Seattle to Buffalo that take around hours.

Find cheap flights from Seattle to Buffalo

From the great flight deals with prices currently ranging from AU$544 to AU$636, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Seattle to Buffalo around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Buffalo is normally in May.

Reasons to book your flight from Seattle to Buffalo with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Seattle to Buffalo across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Buffalo right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from SEA to BUF?
If you’re planning on travelling between Sea-Tac Airport and Buffalo Niagara International Airport, round-trip journeys start from AU$544. This price is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don’t hang around. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to Buffalo Niagara Intl. Airport (BUF)?
We get that things come up unexpectedly, so we’ve made it as easy as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from SEA to Buffalo Niagara International Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Sea-Tac Airport to BUF flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from SEA to Buffalo Niagara Intl. Airport (BUF)?
The flying distance between Seattle - Tacoma Intl. Airport (SEA) and Buffalo Niagara International Airport is 3 400 kilometres. Listen to your favourite tunes or finish that novel and the journey will zip by.
Which airlines fly direct from Sea-Tac Airport to Buffalo Niagara International Airport?
Unfortunately, there are no airlines that fly direct between SEA and BUF. You’ll need to book a flight with one or more stops.
Are Seattle - Tacoma Intl. Airport (SEA) to Buffalo Niagara Intl. Airport (BUF) flight tickets cheaper when they're purchased at the last minute?
Tickets from SEA to BUF are available up to 12 months before departure on Expedia. And although you may occasionally nab great last-minute deal, it’s never a sure thing. Also, booking your flights ahead of time means you’ll have more options — and you can avoid landing the dreaded middle seat! We’re constantly updating our fares to make sure you get the biggest bargains, so check back often for all the latest specials.
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