￥28,950 Cheap Flights from Buffalo (BUF) to Seattle (SEA)

View ￥28,950 flight on Mon, Dec 15, 2025Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Buffalo to Seattle (BUF-SEA)

Prices were available within the past 7 days and start at ￥28,950 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Buffalo (BUF) to Seattle (SEA)

September is typically the cheapest month to fly

From ￥25,845 - ￥61,526 per traveler.

Frequently asked questions

How much is a flight from Buffalo Niagara International Airport to SEA?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip journey between BUF and Seattle - Tacoma Intl. Airport (SEA) was . Cheap fares don't hang around, so make sure you book yours ASAP. 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 International Airport to Sea-Tac Airport?
Each airline has a different set of terms and conditions. If you decide to cancel your getaway, visit our Customer Service Portal.
How do I find cheap flights from Buffalo Niagara Intl. Airport (BUF) to Sea-Tac 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 Buffalo Niagara Intl. Airport (BUF) to Sea-Tac Airport flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from BUF to Seattle - Tacoma Intl. Airport (SEA)?
Consider bringing your own in-flight entertainment, as it takes roughly 7 hours and 9 minutes to reach Sea-Tac Airport from Buffalo Niagara Intl. Airport (BUF). A pair of noise-canceling earphones will also be useful.
How far is the flight from Buffalo Niagara Intl. Airport (BUF) to SEA?
It's around 3,400 kilometers from Buffalo to SeaTac, so you'll be in your seat for a while. Keep yourself entertained with things like crossword puzzles or a thrilling novel.
Which airlines fly direct from Buffalo Niagara International Airport to Sea-Tac Airport?
Unfortunately, there are no airlines that fly directly between BUF and Seattle - Tacoma Intl. Airport (SEA). You'll need to book a flight with at least one stop.
Are Buffalo Niagara Intl. Airport (BUF) to SEA flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Buffalo Niagara International Airport to Sea-Tac Airport can be hit-or-miss. You may be able to score a bargain, but then again, you could miss out entirely! If you'd rather start your trip planning early on, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines list their prices so far in advance. Our top tip? Check back often as updates are made frequently.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
3385 km

Book with confidence

Buffalo to Seattle Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Buffalo to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Seattle.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with BUF to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind Buffalo for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SEA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Buffalo to Seattle Flights

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