Prices were available within the past 7 days and start at €169 for one-way flights and €338 for return, for the period specified. Prices and availability are subject to change.
Find the cheapest month to fly from Buffalo (BUF) to Seattle (SEA)
November is typically the cheapest month to flyNovember is typically the cheapest month to fly
From €278 - €666 per traveller.
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Buffalo to Seattle Flights
When looking for plane tickets from Buffalo to Seattle, the ease and convenience of using Expedia simply can’t be beat. With tons of departure points and flights options from the top airline carriers, Expedia gives you the widest array of cheap flights to Seattle. Look for BUF to SEA airfare with the assurance that you have the largest online travel agency working for you.
Expedia lets you search across the largest number of airlines and Seattle flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Buffalo Seattle flight!
Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Buffalo to Seattle trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.
Combine your Seattle flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Buffalo to Seattle with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!
Frequently Asked Questions
How much is a flight from BUF to Sea-Tac Airport?
Round-trip flights from BUF to Seattle - Tacoma Intl. Airport (SEA) start from €338. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book now to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Buffalo Niagara Intl. Airport (BUF) to SEA?
This varies between airlines, as each has its own terms and conditions. Head to the Customer Service Portal, where you'll find instructions on how to cancel your flight online.
How do I find cheap flights from Buffalo Niagara International Airport to Seattle - Tacoma Intl. Airport (SEA) 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 BUF to SEA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from BUF to Sea-Tac Airport?
Expect to be cruising at altitude for a while, as the flight distance from Buffalo Niagara International Airport to Seattle - Tacoma Intl. Airport (SEA) is 3,400 kilometres. Create a playlist of your favourite songs before you leave home to stay entertained during the flight.
Which airlines fly direct from BUF to SEA?
Right now, no airlines offer direct flights from BUF to Sea-Tac Airport. You'll have to book a flight with one or more stops. To score the best connections and price, lock in your airfare well in advance.
Are BUF to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Flight tickets from Buffalo Niagara International Airport to Sea-Tac Airport are available up to 12 months before departure on Expedia. And although you may occasionally score fantastic last-minute deals, it's not something you should bank on. Also, booking your flights in advance means you'll have more options — and you can avoid being wedged in the dreaded middle seat! We regularly update our fares to make sure you get the biggest bargains, so check back often for all the latest specials.
Travel information
Origin airport
Buffalo Niagara Intl. Airport
Destination airport
Seattle-Tacoma International Airport
Distance
3,405 km away
Airlines serving
Alaska Airlines, American Airlines, Delta, United, Southwest Airlines, JetBlue Airways, Frontier Airlines