Cheap flights from Seattle to Upstate New York from CA $135

View CA $135 flight on Wed, Sep. 3, 2025Opens in a new window

Popular airlines from Seattle to Upstate New York

  • Alaska Airlines

    Alaska Airlines

  • JetBlue Airways

    JetBlue Airways

  • American Airlines

    American Airlines

  • Delta

    Delta

  • Sun Country Airlines

    Sun Country Airlines

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Cheap flights from Seattle (SEA) to Upstate New York (NYC)

Prices were available within the past 7 days and start at CA $135 for one-way flights and CA $352 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Sep. 3 - Fri, Sep. 12
SEA
Seattle
BUF
Buffalo
CA $352 Roundtrip, found 6 days ago
CA $352
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Sep. 3 from Seattle to Buffalo, returning Fri, Sep. 12, priced at CA $352 found 6 days ago
Delta
Tue, Sep. 16 - Thu, Sep. 18
SEA
Seattle
BUF
Buffalo
CA $364 Roundtrip, found 6 days ago
CA $364
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Sep. 16 from Seattle to Buffalo, returning Thu, Sep. 18, priced at CA $364 found 6 days ago
American Airlines
Tue, Sep. 16 - Thu, Sep. 18
SEA
Seattle
BUF
Buffalo
CA $365 Roundtrip, found 6 days ago
CA $365
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Sep. 16 from Seattle to Buffalo, returning Thu, Sep. 18, priced at CA $365 found 6 days ago
United
Fri, Sep. 5 - Tue, Sep. 9
SEA
Seattle
BUF
Buffalo
CA $380 Roundtrip, found 6 days ago
CA $380
Roundtrip
found 6 days ago
Select United flight, departing Fri, Sep. 5 from Seattle to Buffalo, returning Tue, Sep. 9, priced at CA $380 found 6 days ago
Sun Country Airlines
Sun, Aug. 31 - Sat, Sep. 6
SEA
Seattle
BUF
Buffalo
CA $422 Roundtrip, found 2 days ago
CA $422
Roundtrip
found 2 days ago
Select Sun Country Airlines flight, departing Sun, Aug. 31 from Seattle to Buffalo, returning Sat, Sep. 6, priced at CA $422 found 2 days ago
JetBlue Airways
Tue, Sep. 16 - Mon, Sep. 22
SEA
Seattle
BUF
Buffalo
CA $432 Roundtrip, found 2 days ago
CA $432
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Tue, Sep. 16 from Seattle to Buffalo, returning Mon, Sep. 22, priced at CA $432 found 2 days ago

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

September is typically the cheapest month to fly

From CA $296 - CA $596 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.