Cheap flights from Seattle to Thunder Bay from CA $207

View CA $207 flight on Fri, Oct. 17, 2025Opens in a new window

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Cheap flights from Seattle (SEA) to Thunder Bay (YQT)

Prices were available within the past 7 days and start at CA $207 for one-way flights and CA $662 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Sun, Aug. 24 - Sat, Aug. 30
SEA
Seattle
YQT
Thunder Bay
CA $662 Roundtrip, found 7 hours ago
CA $662
Roundtrip
found 7 hours ago
Select WestJet flight, departing Sun, Aug. 24 from Seattle to Thunder Bay, returning Sat, Aug. 30, priced at CA $662 found 7 hours ago
WestJet
Sun, Aug. 24 - Sat, Aug. 30
SEA
Seattle
YQT
Thunder Bay
CA $673 Roundtrip, found 7 hours ago
CA $673
Roundtrip
found 7 hours ago
Select WestJet flight, departing Sun, Aug. 24 from Seattle to Thunder Bay, returning Sat, Aug. 30, priced at CA $673 found 7 hours ago
WestJet
Sun, Aug. 24 - Sat, Aug. 30
SEA
Seattle
YQT
Thunder Bay
CA $679 Roundtrip, found 7 hours ago
CA $679
Roundtrip
found 7 hours ago
Select WestJet flight, departing Sun, Aug. 24 from Seattle to Thunder Bay, returning Sat, Aug. 30, priced at CA $679 found 7 hours ago
WestJet
Sun, Aug. 24 - Sat, Aug. 30
SEA
Seattle
YQT
Thunder Bay
CA $690 Roundtrip, found 7 hours ago
CA $690
Roundtrip
found 7 hours ago
Select WestJet flight, departing Sun, Aug. 24 from Seattle to Thunder Bay, returning Sat, Aug. 30, priced at CA $690 found 7 hours ago
WestJet
Sun, Aug. 24 - Sat, Aug. 30
SEA
Seattle
YQT
Thunder Bay
CA $745 Roundtrip, found 7 hours ago
CA $745
Roundtrip
found 7 hours ago
Select WestJet flight, departing Sun, Aug. 24 from Seattle to Thunder Bay, returning Sat, Aug. 30, priced at CA $745 found 7 hours ago
Alaska Airlines
Fri, Aug. 22 - Tue, Aug. 26
SEA
Seattle
YQT
Thunder Bay
CA $870 Roundtrip, found 3 days ago
CA $870
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Fri, Aug. 22 from Seattle to Thunder Bay, returning Tue, Aug. 26, priced at CA $870 found 3 days ago
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