How long is the flight from Seattle to Thunder Bay?

Departing from Seattle to Thunder Bay will take you 13h 53m. Airlines will cover a distance of 1516 mi.

In terms of precipitation, rainfall in Thunder Bay ranges from 0.4 - 3.5 inches per month. July is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Thunder Bay when rainfall is around 0.4 in.

If weather is an important factor for your trip to Thunder Bay, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 6.8 F).

What is the cheapest time of day to fly from SEA to YQT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Thunder Bay as you normally would.

Most accurate provider : When it comes to deals on Seattle-Thunder Bay flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Thunder Bay flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Thunder Bay flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Seattle-Thunder Bay flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Thunder Bay flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Seattle to Thunder Bay that include hotel bookings?

Yes. In addition to deals on Seattle to Thunder Bay flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Seattle to Thunder Bay?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Thunder Bay.

Can I find deals for business class flights from Seattle to Thunder Bay?

Yes. Cheapflights offers flight deals from Seattle to Thunder Bay by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$927+ Cheap Flights from Seattle to Thunder Bay

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Best flights from Seattle to Thunder Bay
Discover carefully curated flight deals from Seattle to Thunder Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated noviembre 10, 2025.

mar. 5/55:40 amSEA - YQT

2 stops13h 53mAir Canada

jue. 5/75:30 amYQT - SEA

1 stop8h 45mAir Canada

Deal found 11/7

$927

Cheap flight deals from Seattle to Thunder Bay

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star
Round-trip from	$927 (Air Canada)

Provider with most accurate pricing for Seattle/Tacoma Intl-Thunder Bay flight deals.

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From Seattle/Tacoma Intl to Thunder Bay

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Use the filters below to find and compare flights from Seattle to Thunder Bay that are best for you.

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Fly to

Route

Depart

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Price

SeattleThunder Bay

SEA - YQT

SEAYQT

Seattle/Tacoma Intl

mar. 5/5

5:40 am-10:33 pm

2 stops13h 53m

Thunder Bay

jue. 5/7

5:30 am-11:15 am

1 stop8h 45m

$927

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/7

Most accurate provider: When it comes to deals on Seattle-Thunder Bay flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Thunder Bay flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Thunder Bay flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Seattle-Thunder Bay flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Thunder Bay flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Thunder Bay

Have a flexible travel schedule? Discover the best time to fly to Thunder Bay from Seattle with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

How long is the flight from Seattle to Thunder Bay?
Departing from Seattle to Thunder Bay will take you 13h 53m. Airlines will cover a distance of 1516 mi.
Can I find deals for flights from Seattle to Thunder Bay that include hotel bookings?
Yes. In addition to deals on Seattle to Thunder Bay flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Thunder Bay?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Thunder Bay.
Can I find deals for business class flights from Seattle to Thunder Bay?
Yes. Cheapflights offers flight deals from Seattle to Thunder Bay by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$927+ Cheap flights from Seattle (SEA) to Thunder Bay (YQT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Thunder Bay with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Find flight deals from Seattle to Thunder Bay

Best flights from Seattle to Thunder BayDiscover carefully curated flight deals from Seattle to Thunder Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated noviembre 10, 2025.

Discover carefully curated flight deals from Seattle to Thunder Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated noviembre 10, 2025.

Cheap flight deals from Seattle to Thunder Bay

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Use the filters below to find and compare flights from Seattle to Thunder Bay that are best for you.

Best time to book a flight from Seattle to Thunder Bay

Have a flexible travel schedule? Discover the best time to fly to Thunder Bay from Seattle with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Thunder Bay. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Seattle to Thunder Bay?

Can I find deals for flights from Seattle to Thunder Bay that include hotel bookings?

How can I find direct flights from Seattle to Thunder Bay?

Can I find deals for business class flights from Seattle to Thunder Bay?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Thunder Bay

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Best flights from Seattle to Thunder Bay
Discover carefully curated flight deals from Seattle to Thunder Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated noviembre 10, 2025.