
Popular airlines from Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle-Tacoma International Airport (SEA)
- Air Canada
Air Canada
- WestJet
WestJet
- Flair Airlines
Flair Airlines
- American Airlines
American Airlines
- United
United
- Delta
Delta
- Porter Airlines
Porter Airlines
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Cheap flights from Thunder Bay (YQT) to Seattle (SEA)
Prices were available within the past 7 days and start at CA $140 for one-way flights and CA $251 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Origin airport | Thunder Bay Intl. |
Destination airport | Seattle - Tacoma Intl. |
Roundtrip price | CA $251 |
Distance | 2427 km |
Thunder Bay to Seattle Flights
The easy way to book your flights from Thunder Bay to Seattle
With Expedia, it’s simple to find and book flights to Seattle from Thunder Bay whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Seattle - Tacoma Intl., too.
Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Thunder Bay to Seattle today, tomorrow, or this week.
Save dollars with cheap flights from Thunder Bay Intl., YQT to Seattle - Tacoma Intl., SEA
Sort your search results by price to find great deals on your flight from Thunder Bay to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Thunder Bay currently is just CA $251 rising to CA $621.
Here are more money-saving tips:
- Fly in May when flight prices are normally at their lowest
- Book about a month to 6 weeks before you travel for the best prices to Seattle
- Avoid peak season and weekends when flights can cost more
- Early morning and late-night flights are sometimes cheaper, so try varying your travel times
- One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!
Reasons to choose Expedia for your flight to Seattle from Thunder Bay
Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.
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Top Routes from Thunder Bay
- Thunder Bay to Ottawa (YQT - YOW)
- Thunder Bay to Calgary (YQT - YYC)
- Thunder Bay to Kelowna (YQT - YLW)
- Thunder Bay to Winnipeg (YQT - YWG)
- Thunder Bay to Sudbury (YQT - YSB)
- Thunder Bay to Halifax (YQT - YHZ)
- Thunder Bay to Delhi (YQT - DEL)
- Thunder Bay to Montreal (YQT - YUL)
- Thunder Bay to Tokyo (YQT - NRT)
- Thunder Bay to Vancouver (YQT - YVR)
- Thunder Bay to Dallas (YQT - DFW)
- Thunder Bay to Kitchener (YQT - YKF)
Top Routes to Seattle
- Ottawa to Seattle (YOW - SEA)
- Calgary to Seattle (YYC - SEA)
- Kelowna to Seattle (YLW - SEA)
- Detroit to Seattle (DTW - SEA)
- Saskatoon to Seattle (YXE - SEA)
- Winnipeg to Seattle (YWG - SEA)
- Delhi to Seattle (DEL - SEA)
- Halifax to Seattle (YHZ - SEA)
- Québec to Seattle (YQB - SEA)
- Victoria to Seattle (YYJ - SEA)
- Montreal to Seattle (YUL - SEA)
- Vancouver to Seattle (YVR - SEA)
Top Routes from Thunder Bay
- Porter Airlines Thunder Bay to Ottawa
- WestJet Thunder Bay to Calgary
- WestJet Thunder Bay to Kelowna
- WestJet Thunder Bay to Winnipeg
- Porter Airlines Thunder Bay to Halifax
- Air Canada Thunder Bay to Delhi
- Porter Airlines Thunder Bay to Montreal
- WestJet Thunder Bay to Abbotsford
- WestJet Thunder Bay to Edmonton
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