NT$7,574 Cheap Flights from Buffalo (BUF) to Seattle (SEA)

View NT$7,574 flight on Mon, 2026/7/13Opens 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 NT$7,574 for one-way flights and NT$16,767 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Jul 13 - Sun, Jul 26
BUF
Buffalo
SEA
Seattle
NT$16,767 Roundtrip, just found
NT$16,767
Roundtrip
just found
Select Delta flight, departing Mon, Jul 13 from Buffalo to Seattle, returning Sun, Jul 26, priced at NT$16,767 just found
Delta
Mon, Jul 13 - Sun, Jul 26
BUF
Buffalo
SEA
Seattle
NT$18,486 Roundtrip, just found
NT$18,486
Roundtrip
just found
Select Delta flight, departing Mon, Jul 13 from Buffalo to Seattle, returning Sun, Jul 26, priced at NT$18,486 just found
United
Mon, Jul 13 - Sun, Jul 26
BUF
Buffalo
SEA
Seattle
NT$18,517 Roundtrip, just found
NT$18,517
Roundtrip
just found
Select United flight, departing Mon, Jul 13 from Buffalo to Seattle, returning Sun, Jul 26, priced at NT$18,517 just found
Delta
Mon, Jul 13 - Sun, Jul 26
BUF
Buffalo
SEA
Seattle
NT$19,088 Roundtrip, just found
NT$19,088
Roundtrip
just found
Select Delta flight, departing Mon, Jul 13 from Buffalo to Seattle, returning Sun, Jul 26, priced at NT$19,088 just found
Delta
Mon, Jul 13 - Sun, Jul 26
BUF
Buffalo
SEA
Seattle
NT$19,311 Roundtrip, just found
NT$19,311
Roundtrip
just found
Select Delta flight, departing Mon, Jul 13 from Buffalo to Seattle, returning Sun, Jul 26, priced at NT$19,311 just found
United
Mon, Jul 13 - Sun, Jul 26
BUF
Buffalo
SEA
Seattle
NT$20,234 Roundtrip, just found
NT$20,234
Roundtrip
just found
Select United flight, departing Mon, Jul 13 from Buffalo to Seattle, returning Sun, Jul 26, priced at NT$20,234 just found
American Airlines
Mon, Jul 13 - Sun, Jul 26
BUF
Buffalo
SEA
Seattle
NT$20,425 Roundtrip, just found
NT$20,425
Roundtrip
just found
Select American Airlines flight, departing Mon, Jul 13 from Buffalo to Seattle, returning Sun, Jul 26, priced at NT$20,425 just found
Delta
Mon, Jul 13 - Sun, Jul 26
BUF
Buffalo
SEA
Seattle
NT$20,932 Roundtrip, just found
NT$20,932
Roundtrip
just found
Select Delta flight, departing Mon, Jul 13 from Buffalo to Seattle, returning Sun, Jul 26, priced at NT$20,932 just found
Delta
Mon, Jul 13 - Sun, Jul 26
BUF
Buffalo
SEA
Seattle
NT$20,985 Roundtrip, just found
NT$20,985
Roundtrip
just found
Select Delta flight, departing Mon, Jul 13 from Buffalo to Seattle, returning Sun, Jul 26, priced at NT$20,985 just found
United
Mon, Jul 13 - Sun, Jul 26
BUF
Buffalo
SEA
Seattle
NT$21,060 Roundtrip, just found
NT$21,060
Roundtrip
just found
Select United flight, departing Mon, Jul 13 from Buffalo to Seattle, returning Sun, Jul 26, priced at NT$21,060 just found

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

June is typically the cheapest month to fly

From NT$10,482 - NT$18,016 per traveler.

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 NT$16,767. 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 kilometers. Create a playlist of your favorite 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.
Destination airport
Seattle - Tacoma Intl.
Roundtrip price
NT$16,767
Distance
3385 km

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