Flights to Great Lakes Seaway from Seattle - ￥22,770

View ￥22,770 flight on Thu, Sep 25, 2025Opens in a new window

Popular airlines from Seattle to Great Lakes Seaway

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Seattle to Great Lakes Seaway (SEA-BUF)

Prices were available within the past 7 days and start at ￥22,770 for one-way flights and ￥67,150 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Aug 11 - Tue, Aug 12
SEA
Seattle
BUF
Buffalo
￥67,150 Roundtrip, found 1 day ago
￥67,150
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Aug 11 from Seattle to Buffalo, returning Tue, Aug 12, priced at ￥67,150 found 1 day ago
American Airlines
Mon, Aug 11 - Wed, Aug 13
SEA
Seattle
BUF
Buffalo
￥67,930 Roundtrip, found 1 day ago
￥67,930
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Aug 11 from Seattle to Buffalo, returning Wed, Aug 13, priced at ￥67,930 found 1 day ago
American Airlines
Mon, Aug 11 - Tue, Aug 12
SEA
Seattle
BUF
Buffalo
￥70,160 Roundtrip, found 1 day ago
￥70,160
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Aug 11 from Seattle to Buffalo, returning Tue, Aug 12, priced at ￥70,160 found 1 day ago
American Airlines
Mon, Aug 11 - Wed, Aug 13
SEA
Seattle
BUF
Buffalo
￥70,940 Roundtrip, found 1 day ago
￥70,940
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Aug 11 from Seattle to Buffalo, returning Wed, Aug 13, priced at ￥70,940 found 1 day ago
United
Mon, Aug 11 - Wed, Aug 13
SEA
Seattle
BUF
Buffalo
￥75,530 Roundtrip, found 1 day ago
￥75,530
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 11 from Seattle to Buffalo, returning Wed, Aug 13, priced at ￥75,530 found 1 day ago
Delta
Mon, Aug 11 - Wed, Aug 13
SEA
Seattle
BUF
Buffalo
￥79,300 Roundtrip, found 1 day ago
￥79,300
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Aug 11 from Seattle to Buffalo, returning Wed, Aug 13, priced at ￥79,300 found 1 day ago

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

September is typically the cheapest month to fly

From ￥32,115 - ￥64,654 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.