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Thunder Bay

$367+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YQT
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
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 March 11, 2026.

This WestJet deal was found by Cheapflights users on 3/10. 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 4/291:00 pm
SFO
-
YQT
1 stop27h 00m
WestJet
Sun 5/311:00 am
YQT
-
SFO
2 stops13h 55m
WestJet
Deal found 3/10$367
This Trip.com deal was found by Cheapflights users on 3/6. 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 5/206:00 am
SFO
-
YQT
2 stops9h 45m
WestJet
Mon 5/257:50 pm
YQT
-
SFO
1 stop19h 10m
WestJet
Deal found 3/6$369
This Air Canada deal was found by Cheapflights users on 3/6. 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 4/2111:55 am
SFO
-
YQT
1 stop8h 05m
Air Canada
Tue 4/285:00 am
YQT
-
SFO
1 stop8h 55m
Air Canada
Deal found 3/6$437

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 March 11, 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 March 11, 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 4/29

1:00 pm-10:25 am

2 stops18h 25m

Thunder Bay

Sun 5/3

11:00 am-9:55 pm

2 stops13h 55m

$371

San FranciscoThunder Bay

SFO - YQT

SFOYQT

San Francisco

Wed 5/20

6:00 am-6:45 pm

2 stops9h 45m

Thunder Bay

Mon 5/25

11:00 am-12:00 pm

3 stops28h 00m

$421

San FranciscoThunder Bay

SFO - YQT

SFOYQT

San Francisco

Tue 4/21

11:55 am-11:00 pm

1 stop8h 05m

Thunder Bay

Tue 4/28

5:00 am-10:55 am

1 stop8h 55m

$437
Quickest round-trip

San FranciscoThunder Bay

SFO - YQT

SFOYQT

San Francisco

Thu 7/16

11:40 am-10:49 pm

1 stop8h 09m

Thunder Bay

Tue 7/21

5:05 am-10:42 am

1 stop8h 37m

$595

San FranciscoThunder Bay

SFO - YQT

SFOYQT

San Francisco

Sat 9/5

11:40 am-10:49 pm

1 stop8h 09m

Thunder Bay

Tue 9/8

5:15 am-12:34 pm

1 stop10h 19m

$670

San FranciscoThunder Bay

SFO - YQT

SFOYQT

San Francisco

Mon 4/6

7:00 pm-6:35 pm

2 stops20h 35m

Thunder Bay

Mon 4/13

11:10 am-7:16 am

2 stops23h 06m

$694

San FranciscoThunder Bay

SFO - YQT

SFOYQT

San Francisco

Fri 9/4

6:54 pm-5:24 pm

2 stops19h 30m

Thunder Bay

Fri 9/11

5:15 am-3:11 pm

2 stops12h 56m

$695

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

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.

Reviews of airlines servicing Thunder Bay

Get insights into the airlines that provide service to Thunder Bay. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Thunder Bay. Reviews last updated March 11, 2026.
See what other customers who have flown with Air Canada from San Francisco to Thunder Bay have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,800 reviews

Comfort

7.1

Entertainment

6.8

Food

6.3

Overall

7.1

Boarding

7.3

Crew

7.8

Reviews

1 / 20
8.0
Excellent

Dr vandana,Feb 2026

SFO - YYC

It was good, the lounge facilities can be better with some vegetarian options. Overall good
Air Canada
7.1
Good
10,800 reviews
Air Canada
7.1
Good
10,800 reviews

Comfort

7.1

Entertainment

6.8

Food

6.3

Overall

7.1

Boarding

7.3

Crew

7.8

Reviews

1 / 20
8.0
Excellent

Dr vandana,Feb 2026

SFO - YYC

It was good, the lounge facilities can be better with some vegetarian options. Overall good

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 27h. Airlines will cover a distance of 1809 mi.

  • What is the cheapest airline to fly from San Francisco to Thunder Bay round-trip?

    Cheapflights users have booked flights from San Francisco to Thunder Bay round-trip from $136.

  • 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.

See more FAQs

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Top airline flying from San Francisco to Thunder Bay

Discover the top airline that operate flights from San Francisco to Thunder Bay. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$136Average$603FlexibilityNo cancel feeOn-time67%

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