$724+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YQT
Nov 21 — Nov 281
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Thunder Bay with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Thunder Bay
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Cheapest flights from Seattle to Thunder BayExplore the most affordable flight options available from Seattle to Thunder Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2026.
Explore the most affordable flight options available from Seattle to Thunder Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:33 am -
1 stop11h 26m
Wed 12/94:40 pm -
2 stops17h 26m
Deal found 10/18![Multiple Airlines logo]()
$724
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:33 am -
1 stop11h 26m
Sun 12/136:20 am -
2 stops34h 20m
Deal found 10/22![Multiple Airlines logo]()
$758
This Mytrip deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:30 pm -
3 stops22h 35m
Wed 12/94:40 pm -
3 stops24h 00m
Deal found 10/18![WestJet logo]()
$796
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:15 am -
2 stops37h 21m
Sun 12/135:00 am -
2 stops33h 44m
Deal found 10/22![United Airlines logo]()
$815
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/49:34 pm -
2 stops22h 25m
Fri 12/116:20 am -
1 stop16h 36m
Deal found 10/20![Multiple Airlines logo]()
$824
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 October 22, 2026.
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 October 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:33 am -
1 stop11h 26m
Wed 12/94:40 pm -
2 stops17h 26m
Deal found 10/18![Multiple Airlines logo]()
$724
This Mytrip deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:30 pm -
3 stops22h 35m
Wed 12/94:40 pm -
3 stops24h 00m
Deal found 10/18![WestJet logo]()
$796
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:15 am -
2 stops37h 21m
Sun 12/135:00 am -
2 stops33h 44m
Deal found 10/22![United Airlines logo]()
$815
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:33 am -
1 stop11h 26m
Sun 12/136:20 am -
2 stops34h 20m
Deal found 10/22![Multiple Airlines logo]()
$758
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/49:34 pm -
2 stops22h 25m
Fri 12/116:20 am -
1 stop16h 36m
Deal found 10/20![Multiple Airlines logo]()
$824
Last-minute flights from Seattle to Thunder BayDiscover last-minute flight deals from Seattle to Thunder Bay. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Thunder Bay. Data last updated October 22, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:05 pm -
2 stops18h 00m
Sat 10/315:00 am -
2 stops12h 37m
Deal found 10/21![Air Canada logo]()
$1,586
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:56 pm -
2 stops14h 09m
Sat 10/315:00 am -
3 stops17h 17m
Deal found 10/21![United Airlines logo]()
$1,667
Find flight deals from Seattle to Thunder Bay
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Thunder Bay (YQT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 22, 2026.
Round-trip from | $724 (Kiwi.com) |
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Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Thunder Bay that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 22, 2026.
Use the filters below to find and compare flights from Seattle to Thunder Bay that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
SeattleThunder Bay
SEA Seattle/Tacoma Intl - YQT Thunder Bay
SEAYQT
Seattle/Tacoma Intl
Wed 12/2
8:33 am-10:59 pm
1 stop11h 26m
Thunder Bay
Wed 12/9
4:40 pm-7:06 am
2 stops17h 26m
$724
SeattleThunder Bay
SEA Seattle/Tacoma Intl - YQT Thunder Bay
SEAYQT
Seattle/Tacoma Intl
Sun 12/6
8:33 am-10:59 pm
1 stop11h 26m
Thunder Bay
Sun 12/13
6:20 am-1:40 pm
2 stops34h 20m
$758
SeattleThunder Bay
SEA Seattle/Tacoma Intl - YQT Thunder Bay
SEAYQT
Seattle/Tacoma Intl
Wed 12/2
2:30 pm-4:05 pm
3 stops22h 35m
Thunder Bay
Wed 12/9
4:40 pm-1:40 pm
3 stops24h 00m
$796
SeattleThunder Bay
SEA Seattle/Tacoma Intl - YQT Thunder Bay
SEAYQT
Seattle/Tacoma Intl
Sun 12/6
6:15 am-10:36 pm
2 stops37h 21m
Thunder Bay
Sun 12/13
5:00 am-11:44 am
2 stops33h 44m
$815
SeattleThunder Bay
SEA Seattle/Tacoma Intl - YQT Thunder Bay
SEAYQT
Seattle/Tacoma Intl
Fri 12/4
9:34 pm-10:59 pm
2 stops22h 25m
Thunder Bay
Fri 12/11
6:20 am-7:56 pm
1 stop16h 36m
$824
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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.
SEA-YQT
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
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.
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