$242 Cheap Flights from San Francisco (SFO) to Thunder Bay (YQT)

View $242 flight on Wed, Dec 3, 2025Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Thunder Bay, ON (YQT-Thunder Bay Intl.)

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Cheap Flights from San Francisco to Thunder Bay (SFO-YQT)

Prices were available within the past 7 days and start at $242 for one-way flights and $505 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Nov 26 - Sat, Dec 13
SFO
San Francisco
YQT
Thunder Bay
$505 Roundtrip, found 5 days ago
$505
Roundtrip
found 5 days ago
Select Air Canada flight, departing Wed, Nov 26 from San Francisco to Thunder Bay, returning Sat, Dec 13, priced at $505 found 5 days ago
Air Canada
Thu, Dec 25 - Fri, Jan 9
SFO
San Francisco
YQT
Thunder Bay
$510 Roundtrip, found 3 hours ago
$510
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Thu, Dec 25 from San Francisco to Thunder Bay, returning Fri, Jan 9, priced at $510 found 3 hours ago
Air Canada
Thu, Dec 25 - Sat, Jan 10
SFO
San Francisco
YQT
Thunder Bay
$515 Roundtrip, found 3 hours ago
$515
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Thu, Dec 25 from San Francisco to Thunder Bay, returning Sat, Jan 10, priced at $515 found 3 hours ago
Air Canada
Thu, Dec 25 - Thu, Jan 8
SFO
San Francisco
YQT
Thunder Bay
$533 Roundtrip, found 3 hours ago
$533
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Thu, Dec 25 from San Francisco to Thunder Bay, returning Thu, Jan 8, priced at $533 found 3 hours ago
Air Canada
Fri, Dec 26 - Fri, Jan 9
SFO
San Francisco
YQT
Thunder Bay
$535 Roundtrip, found 3 hours ago
$535
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Fri, Dec 26 from San Francisco to Thunder Bay, returning Fri, Jan 9, priced at $535 found 3 hours ago
Air Canada
Wed, Dec 3 - Tue, Dec 16
SFO
San Francisco
YQT
Thunder Bay
$538 Roundtrip, found 5 days ago
$538
Roundtrip
found 5 days ago
Select Air Canada flight, departing Wed, Dec 3 from San Francisco to Thunder Bay, returning Tue, Dec 16, priced at $538 found 5 days ago
Air Canada
Fri, Dec 26 - Sat, Jan 10
SFO
San Francisco
YQT
Thunder Bay
$540 Roundtrip, found 3 hours ago
$540
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Fri, Dec 26 from San Francisco to Thunder Bay, returning Sat, Jan 10, priced at $540 found 3 hours ago
Air Canada
Wed, Dec 3 - Tue, Dec 16
SFO
San Francisco
YQT
Thunder Bay
$550 Roundtrip, found 5 days ago
$550
Roundtrip
found 5 days ago
Select Air Canada flight, departing Wed, Dec 3 from San Francisco to Thunder Bay, returning Tue, Dec 16, priced at $550 found 5 days ago
Air Canada
Wed, Dec 3 - Tue, Dec 16
SFO
San Francisco
YQT
Thunder Bay
$551 Roundtrip, found 5 days ago
$551
Roundtrip
found 5 days ago
Select Air Canada flight, departing Wed, Dec 3 from San Francisco to Thunder Bay, returning Tue, Dec 16, priced at $551 found 5 days ago
United
Wed, Dec 3 - Tue, Dec 16
SFO
San Francisco
YQT
Thunder Bay
$568 Roundtrip, found 5 days ago
$568
Roundtrip
found 5 days ago
Select United flight, departing Wed, Dec 3 from San Francisco to Thunder Bay, returning Tue, Dec 16, priced at $568 found 5 days ago

Alternative airports near Thunder Bay

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Thunder Bay Intl. YQT. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $664
YQT
Thunder Bay Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $664

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Thunder Bay Intl. Airport (YQT) cost?
Get a cheap one-way flight from $242 or cheap return flight from $505 from San Francisco Intl. Airport (SFO) to Thunder Bay Intl. Airport (YQT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Thunder Bay Intl. Airport (YQT)?
November is the least expensive month to fly from SFO to YQT. Traveling during quieter months is often the key to landing a great deal.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Thunder Bay Intl. Airport (YQT)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SFO to YQT flight.
How many flights per day from San Francisco Intl. Airport (SFO) to Thunder Bay Intl. Airport (YQT)?
You'll need to book a flight with a layover if you're traveling from San Francisco Intl. Airport (SFO) to Thunder Bay Intl. Airport (YQT). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from SFO to YQT?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Thunder Bay Intl. Airport (YQT)?
Opt for a flight from San Francisco Intl. Airport (SFO) to Thunder Bay Intl. Airport (YQT) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Thunder Bay Intl. Airport (YQT) last-minute?
Last-minute fares from SFO to YQT are usually more expensive. For the cheapest rates, start searching for flights well ahead of time. That being said, if you're flexible with your travel plans, it's possible to find a cheap fare right before you leave.
Is it cheaper to book a SFO to YQT flight and hotel package?
Securing a SFO to YQT flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our wide range of hotels and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Thunder Bay Intl. Airport (YQT)?
Typically, you can cancel or modify your SFO to YQT flight. However, additional charges may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you need further details, visit our Customer Service portal.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Thunder Bay Intl.
Roundtrip price
$504
Distance
1811 mi

Book with confidence

San Francisco to Thunder Bay Flights

The cheapest times to fly from San Francisco to Thunder Bay

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Thunder Bay are during the month of November. You can find some of the cheapest flights from San Francisco to Thunder Bay with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to Thunder Bay

Sunday is one of the best days to book for cheap flights from San Francisco to Thunder Bay: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Francisco to Thunder Bay

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Thunder Bay in 2025. You can also book with separate airlines for your outbound and return journeys, from $242 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Thunder Bay flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Thunder Bay airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Francisco to Thunder Bay Flights

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*Available to One Key members.