Flights from Buffalo to Seattle

Cheapest flights from Buffalo

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jul 4 - Wed, Jul 9

BUF

Buffalo Niagara Intl.

SEA

Seattle - Tacoma Intl.

$292 Roundtrip, found 11 hours ago

$292

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Fri, Jul 4 from Buffalo Niagara Intl. to Seattle - Tacoma Intl., returning Wed, Jul 9, priced at $292 found 11 hours ago

Sat, Jul 5 - Thu, Jul 10

BUF

Buffalo Niagara Intl.

SEA

Seattle - Tacoma Intl.

$357 Roundtrip, found 11 hours ago

$357

Roundtrip

found 11 hours ago

Select JetBlue Airways flight, departing Sat, Jul 5 from Buffalo Niagara Intl. to Seattle - Tacoma Intl., returning Thu, Jul 10, priced at $357 found 11 hours ago

Wed, Jul 9 - Thu, Jul 10

BUF

Buffalo Niagara Intl.

SEA

Seattle - Tacoma Intl.

$360 Roundtrip, found 11 hours ago

$360

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Wed, Jul 9 from Buffalo Niagara Intl. to Seattle - Tacoma Intl., returning Thu, Jul 10, priced at $360 found 11 hours ago

Fri, Jul 4 - Mon, Jul 14

BUF

Buffalo Niagara Intl.

SEA

Seattle - Tacoma Intl.

$362 Roundtrip, found 11 hours ago

$362

Roundtrip

found 11 hours ago

Select Delta flight, departing Fri, Jul 4 from Buffalo Niagara Intl. to Seattle - Tacoma Intl., returning Mon, Jul 14, priced at $362 found 11 hours ago

Fri, Jul 4 - Sat, Jul 12

BUF

Buffalo Niagara Intl.

SEA

Seattle - Tacoma Intl.

$365 Roundtrip, found 11 hours ago

$365

Roundtrip

found 11 hours ago

Select JetBlue Airways flight, departing Fri, Jul 4 from Buffalo Niagara Intl. to Seattle - Tacoma Intl., returning Sat, Jul 12, priced at $365 found 11 hours ago

Wed, Jul 9 - Sat, Jul 12

BUF

Buffalo Niagara Intl.

SEA

Seattle - Tacoma Intl.

$379 Roundtrip, found 11 hours ago

$379

Roundtrip

found 11 hours ago

Select JetBlue Airways flight, departing Wed, Jul 9 from Buffalo Niagara Intl. to Seattle - Tacoma Intl., returning Sat, Jul 12, priced at $379 found 11 hours ago

Tue, Jul 8 - Thu, Jul 10

BUF

Buffalo Niagara Intl.

SEA

Seattle - Tacoma Intl.

$386 Roundtrip, found 11 hours ago

$386

Roundtrip

found 11 hours ago

Select JetBlue Airways flight, departing Tue, Jul 8 from Buffalo Niagara Intl. to Seattle - Tacoma Intl., returning Thu, Jul 10, priced at $386 found 11 hours ago

Thu, Jul 10 - Sat, Jul 12

BUF

Buffalo Niagara Intl.

SEA

Seattle - Tacoma Intl.

$389 Roundtrip, found 11 hours ago

$389

Roundtrip

found 11 hours ago

Select JetBlue Airways flight, departing Thu, Jul 10 from Buffalo Niagara Intl. to Seattle - Tacoma Intl., returning Sat, Jul 12, priced at $389 found 11 hours ago

Sat, Jul 5 - Sat, Jul 12

BUF

Buffalo Niagara Intl.

SEA

Seattle - Tacoma Intl.

$390 Roundtrip, found 11 hours ago

$390

Roundtrip

found 11 hours ago

Select JetBlue Airways flight, departing Sat, Jul 5 from Buffalo Niagara Intl. to Seattle - Tacoma Intl., returning Sat, Jul 12, priced at $390 found 11 hours ago

Tue, Jul 8 - Sat, Jul 12

BUF

Buffalo Niagara Intl.

SEA

Seattle - Tacoma Intl.

$400 Roundtrip, found 11 hours ago

$400

Roundtrip

found 11 hours ago

Select JetBlue Airways flight, departing Tue, Jul 8 from Buffalo Niagara Intl. to Seattle - Tacoma Intl., returning Sat, Jul 12, priced at $400 found 11 hours ago

Fri, Jul 4 - Tue, Jul 8

BUF

Buffalo Niagara Intl.

SEA

Seattle - Tacoma Intl.

$407 Roundtrip, found 11 hours ago

$407

Roundtrip

found 11 hours ago

Select JetBlue Airways flight, departing Fri, Jul 4 from Buffalo Niagara Intl. to Seattle - Tacoma Intl., returning Tue, Jul 8, priced at $407 found 11 hours ago

Mon, Jul 7 - Thu, Jul 10

BUF

Buffalo Niagara Intl.

SEA

Seattle - Tacoma Intl.

$413 Roundtrip, found 11 hours ago

$413

Roundtrip

found 11 hours ago

Select JetBlue Airways flight, departing Mon, Jul 7 from Buffalo Niagara Intl. to Seattle - Tacoma Intl., returning Thu, Jul 10, priced at $413 found 11 hours ago

Sat, Jul 5 - Fri, Jul 11

BUF

Buffalo Niagara Intl.

SEA

Seattle - Tacoma Intl.

$418 Roundtrip, found 11 hours ago

$418

Roundtrip

found 11 hours ago

Select JetBlue Airways flight, departing Sat, Jul 5 from Buffalo Niagara Intl. to Seattle - Tacoma Intl., returning Fri, Jul 11, priced at $418 found 11 hours ago

Thu, Jul 10 - Thu, Jul 10

BUF

Buffalo Niagara Intl.

SEA

Seattle - Tacoma Intl.

$428 Roundtrip, found 11 hours ago

$428

Roundtrip

found 11 hours ago

Select JetBlue Airways flight, departing Thu, Jul 10 from Buffalo Niagara Intl. to Seattle - Tacoma Intl., returning Thu, Jul 10, priced at $428 found 11 hours ago

Wed, Jul 9 - Wed, Jul 9

BUF

Buffalo Niagara Intl.

SEA

Seattle - Tacoma Intl.

$429 Roundtrip, found 11 hours ago

$429

Roundtrip

found 11 hours ago

Select JetBlue Airways flight, departing Wed, Jul 9 from Buffalo Niagara Intl. to Seattle - Tacoma Intl., returning Wed, Jul 9, priced at $429 found 11 hours ago

Sat, Jul 5 - Tue, Jul 8

BUF

Buffalo Niagara Intl.

SEA

Seattle - Tacoma Intl.

$432 Roundtrip, found 11 hours ago

$432

Roundtrip

found 11 hours ago

Select JetBlue Airways flight, departing Sat, Jul 5 from Buffalo Niagara Intl. to Seattle - Tacoma Intl., returning Tue, Jul 8, priced at $432 found 11 hours ago

Mon, Jul 7 - Sat, Jul 12

BUF

Buffalo Niagara Intl.

SEA

Seattle - Tacoma Intl.

$446 Roundtrip, found 11 hours ago

$446

Roundtrip

found 11 hours ago

Select JetBlue Airways flight, departing Mon, Jul 7 from Buffalo Niagara Intl. to Seattle - Tacoma Intl., returning Sat, Jul 12, priced at $446 found 11 hours ago

Tue, Jul 8 - Tue, Jul 8

BUF

Buffalo Niagara Intl.

SEA

Seattle - Tacoma Intl.

$471 Roundtrip, found 11 hours ago

$471

Roundtrip

found 11 hours ago

Select American Airlines flight, departing Tue, Jul 8 from Buffalo Niagara Intl. to Seattle - Tacoma Intl., returning Tue, Jul 8, priced at $471 found 11 hours ago

Mon, Jul 7 - Fri, Jul 11

BUF

Buffalo Niagara Intl.

SEA

Seattle - Tacoma Intl.

$474 Roundtrip, found 11 hours ago

$474

Roundtrip

found 11 hours ago

Select JetBlue Airways flight, departing Mon, Jul 7 from Buffalo Niagara Intl. to Seattle - Tacoma Intl., returning Fri, Jul 11, priced at $474 found 11 hours ago

Sat, Jul 5 - Sun, Jul 13

BUF

Buffalo Niagara Intl.

SEA

Seattle - Tacoma Intl.

$517 Roundtrip, found 11 hours ago

$517

Roundtrip

found 11 hours ago

Select United flight, departing Sat, Jul 5 from Buffalo Niagara Intl. to Seattle - Tacoma Intl., returning Sun, Jul 13, priced at $517 found 11 hours ago