Cheap flights from Great Falls to Sequim from CA $128

View CA $128 flight on Tue, Aug. 26, 2025Opens in a new window

Popular airlines from Great Falls to Sequim

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Cheap flights from Great Falls (GTF) to Sequim (SEA)

Prices were available within the past 7 days and start at CA $128 for one-way flights and CA $208 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, Sep. 9 - Sat, Sep. 13
GTF
Great Falls
SEA
Seattle
CA $208 Roundtrip, found 1 day ago
CA $208
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Sep. 9 from Great Falls to Seattle, returning Sat, Sep. 13, priced at CA $208 found 1 day ago
Alaska Airlines
Wed, Sep. 10 - Sat, Sep. 13
GTF
Great Falls
SEA
Seattle
CA $209 Roundtrip, found 1 day ago
CA $209
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Sep. 10 from Great Falls to Seattle, returning Sat, Sep. 13, priced at CA $209 found 1 day ago
Delta
Sat, Sep. 6 - Tue, Sep. 9
GTF
Great Falls
SEA
Seattle
CA $234 Roundtrip, found 2 days ago
CA $234
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Sep. 6 from Great Falls to Seattle, returning Tue, Sep. 9, priced at CA $234 found 2 days ago
Delta
Wed, Sep. 10 - Sat, Sep. 13
GTF
Great Falls
SEA
Seattle
CA $236 Roundtrip, found 1 day ago
CA $236
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Sep. 10 from Great Falls to Seattle, returning Sat, Sep. 13, priced at CA $236 found 1 day ago
Hawaiian Airlines
Tue, Sep. 9 - Sun, Sep. 14
GTF
Great Falls
SEA
Seattle
CA $236 Roundtrip, found 1 day ago
CA $236
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Sep. 9 from Great Falls to Seattle, returning Sun, Sep. 14, priced at CA $236 found 1 day ago
United
Wed, Sep. 10 - Sat, Sep. 13
GTF
Great Falls
SEA
Seattle
CA $800 Roundtrip, found 1 day ago
CA $800
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep. 10 from Great Falls to Seattle, returning Sat, Sep. 13, priced at CA $800 found 1 day ago

Find the cheapest month to fly from Great Falls (GTF) to Seattle (SEA)

January is typically the cheapest month to fly

From CA $185 - CA $462 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.