CA $187 Cheap Air Canada fights from Seattle (SEA) to Thunder Bay (YQT)

View CA $187 flight on Tue, Sep 23, 2025Opens in a new window
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Air Canada flights from Seattle to Thunder Bay (SEA→YQT)

Prices were available within the past 7 days and start at CA $187 for one-way flights and CA $870 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, Oct 10 - Tue, Oct 14
SEA
Seattle
YQT
Thunder Bay
CA $870 Roundtrip, found 14 hours ago
CA $870
Roundtrip
found 14 hours ago
Select Air Canada flight, departing Fri, Oct 10 from Seattle to Thunder Bay, returning Tue, Oct 14, priced at CA $870 found 14 hours ago
Air Canada
Fri, Oct 10 - Tue, Oct 14
SEA
Seattle
YQT
Thunder Bay
CA $914 Roundtrip, found 14 hours ago
CA $914
Roundtrip
found 14 hours ago
Select Air Canada flight, departing Fri, Oct 10 from Seattle to Thunder Bay, returning Tue, Oct 14, priced at CA $914 found 14 hours ago
Air Canada
Fri, Oct 10 - Tue, Oct 14
SEA
Seattle
YQT
Thunder Bay
CA $914 Roundtrip, found 14 hours ago
CA $914
Roundtrip
found 14 hours ago
Select Air Canada flight, departing Fri, Oct 10 from Seattle to Thunder Bay, returning Tue, Oct 14, priced at CA $914 found 14 hours ago
Air Canada
Fri, Oct 10 - Tue, Oct 14
SEA
Seattle
YQT
Thunder Bay
CA $920 Roundtrip, found 14 hours ago
CA $920
Roundtrip
found 14 hours ago
Select Air Canada flight, departing Fri, Oct 10 from Seattle to Thunder Bay, returning Tue, Oct 14, priced at CA $920 found 14 hours ago
Air Canada
Fri, Oct 10 - Tue, Oct 14
SEA
Seattle
YQT
Thunder Bay
CA $946 Roundtrip, found 14 hours ago
CA $946
Roundtrip
found 14 hours ago
Select Air Canada flight, departing Fri, Oct 10 from Seattle to Thunder Bay, returning Tue, Oct 14, priced at CA $946 found 14 hours ago
Air Canada
Fri, Oct 10 - Tue, Oct 14
SEA
Seattle
YQT
Thunder Bay
CA $956 Roundtrip, found 14 hours ago
CA $956
Roundtrip
found 14 hours ago
Select Air Canada flight, departing Fri, Oct 10 from Seattle to Thunder Bay, returning Tue, Oct 14, priced at CA $956 found 14 hours ago
Flight from Seattle to Thunder Bay (SEA - YQT) route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Thunder Bay Intl.
Airlines serving
Air Canada, United
Popular airline
Air Canada
Distance
2427 km

Frequently asked questions

How much is an Air Canada flight from Seattle - Tacoma Intl. Airport (SEA) to Thunder Bay Intl. Airport (YQT)?
You'll discover affordable round-trip Air Canada flights from CA $870 from SEA to YQT by sorting your results from "Price (lowest to highest)" on Expedia. Or look for bargains from CA $187 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SEA to YQT with Air Canada?
Search for one-way or return flights to Thunder Bay in January or February. You could find lower fares with Air Canada during these off-peak travel months.
Does Air Canada fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Thunder Bay Intl. Airport (YQT)?
Select our "Nonstop" filter when browsing for direct Air Canada flights from SEA to YQT. You'll also be able to compare other airlines servicing the same nonstop trip.
What airports does Air Canada fly into in Thunder Bay?
Air Canada flights from Seattle - Tacoma Intl. Airport (SEA) to Thunder Bay come in to Thunder Bay Intl. Airport (YQT). This is the main entry point here.
Can I change or cancel my Air Canada flight from Seattle - Tacoma Intl. Airport (SEA) to Thunder Bay Intl. Airport (YQT)?
It's generally possible to cancel or reschedule your flight, although there may be additional fees if you made your booking over 24 hours ago. Prefer to keep your options open? Make use of our "No cancel fee" and "Changes included" filters to find flights that won't charge extra if you have to alter your plans. To modify your booking, head to "Trips," select your flight and click on "Manage Booking" for further information.
*Available to Expedia members.