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Thunder Bay

$369+ Cheap flights from San Francisco (SFO) 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YQT
Jun 17 — Jun 241
Wed 6/17
Wed 6/24
1 adult, Economy
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Cheap flight deals from San Francisco to Thunder Bay

Cheapest flights from San Francisco to Thunder Bay
Explore the most affordable flight options available from San Francisco to Thunder Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 18, 2026.

This Trip.com deal was found by Cheapflights users on 5/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:00 am
SFO
-
YQT
2 stops9h 45m
WestJet
Mon 9/217:50 pm
YQT
-
SFO
1 stop29h 05m
WestJet
Deal found 5/17$369
This Justfly.com deal was found by Cheapflights users on 5/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am
SFO
-
YQT
2 stops9h 45m
WestJet
Mon 9/217:50 pm
YQT
-
SFO
1 stop19h 10m
WestJet
Deal found 5/17$400
This oojo deal was found by Cheapflights users on 5/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:00 am
SFO
-
YQT
2 stops25h 25m
WestJet
Mon 6/2911:00 am
YQT
-
SFO
2 stops13h 55m
WestJet
Deal found 5/14$429
This WestJet deal was found by Cheapflights users on 5/17. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:00 am
SFO
-
YQT
2 stops9h 45m
WestJet
Sun 8/307:50 pm
YQT
-
SFO
1 stop23h 50m
WestJet
Deal found 5/17$434
This Air Canada deal was found by Cheapflights users on 5/13. 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.
Wed 10/2111:35 am
SFO
-
YQT
1 stop8h 13m
Air Canada
Sat 10/2411:45 am
YQT
-
SFO
2 stops13h 05m
Air Canada
Deal found 5/13$509

Find flight deals from San Francisco to Thunder Bay

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) 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 May 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$369
(Trip.com)
Provider with most accurate pricing for San Francisco-Thunder Bay flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Thunder Bay flights.
Search Deals
From San Francisco to Thunder Bay
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Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco 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 2,558,603 searches. Data last updated May 18, 2026.
Use the filters below to find and compare flights from San Francisco to Thunder Bay that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoThunder Bay

SFO - YQT

SFOYQT

San Francisco

Wed 9/16

6:00 am-6:45 pm

2 stops9h 45m

Thunder Bay

Mon 9/21

7:50 pm-9:55 pm

1 stop29h 05m

$369

San FranciscoThunder Bay

SFO - YQT

SFOYQT

San Francisco

Thu 9/17

6:00 am-6:45 pm

2 stops9h 45m

Thunder Bay

Mon 9/21

7:50 pm-12:00 pm

1 stop19h 10m

$400

San FranciscoThunder Bay

SFO - YQT

SFOYQT

San Francisco

Thu 6/25

6:00 am-10:25 am

2 stops25h 25m

Thunder Bay

Mon 6/29

11:00 am-9:55 pm

2 stops13h 55m

$429

San FranciscoThunder Bay

SFO - YQT

SFOYQT

San Francisco

Wed 8/26

6:00 am-6:45 pm

2 stops9h 45m

Thunder Bay

Sun 8/30

7:50 pm-9:55 pm

1 stop29h 05m

$434
Quickest round-trip

San FranciscoThunder Bay

SFO - YQT

SFOYQT

San Francisco

Wed 10/21

11:00 pm-10:48 am

1 stop8h 48m

Thunder Bay

Sat 10/24

11:45 am-9:50 pm

2 stops13h 05m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/17

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

Have a flexible travel schedule? Discover the best time to fly to Thunder Bay from San Francisco 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

Find useful and relevant information for your journey from San Francisco 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 San Francisco to Thunder Bay?

    Departing from San Francisco to Thunder Bay will take you 9h 45m. Airlines will cover a distance of 1809 mi.

  • Can I find deals for flights from San Francisco to Thunder Bay that include hotel bookings?

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

  • How can I find direct flights from San Francisco to Thunder Bay?

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

  • Can I find deals for business class flights from San Francisco to Thunder Bay?

    Yes. Cheapflights offers flight deals from San Francisco 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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