Cheap Flights from Thunder Bay to San Francisco International

Compare Thunder Bay to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

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Find the cheapest month to fly from Thunder Bay to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Thunder Bay to San Francisco International flights are currently cheapest in December.

Thunder Bay to San Francisco International: Alternative routes

Compare routes from Thunder Bay to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier than San Francisco International.

Thunder Bay to San Francisco: Flight information

The things to know before you go.
Cheapest flight foundR 2,941
Cheapest month to flyDecember

Finding cheap flights from Thunder Bay to San Francisco International: Frequently asked questions

The best price we found for a return flight from Thunder Bay to San Francisco International is R 6,319. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Thunder Bay to San Francisco International. But we found flights with one or more stops from R 6,304.
As of September 2025, there are no flights flying from Thunder Bay to San Francisco International.
The cheapest month to fly from Thunder Bay to San Francisco International is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Thunder Bay Airport to San Francisco International Airport on Saturday, 25 October 2025.
No airlines currently offer direct flights between Thunder Bay Airport and San Francisco International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Air Canada offers the cheapest flight tickets to San Francisco International.

Travelling from Thunder Bay International Airport (YQT) to San Francisco International Airport (SFO): what you need to know

  • The timezone in San Francisco is UTC-7, which is three hours behind Thunder Bay.

  • Leave enough time to make your YQT to SFO flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • You can expect bigger queues during popular months like July. Arriving up to four hours ahead of an international flight and two hours for domestic departures will help ensure a smooth travel experience.

How to find the cheapest flights from Thunder Bay International Airport (YQT) to San Francisco International Airport (SFO)

  • Right now, R 2,948 is the cheapest price we've found for a one-way Thunder Bay International Airport to San Francisco International Airport flight. The best price for a return plane ticket is R 6,304. Keep in mind that fares could change due to demand when booking.

  • It's usually smart to book early if you want to find cheap tickets from YQT to SFO. That's because flight prices are based on demand, which tends to increase closer to departure.

  • Getting cheap flights from Thunder Bay International Airport to San Francisco International Airport is easy if you can be flexible with your dates. Use the 'Whole month' search function to see the lowest fares across the month and bag a great deal.

  • You won't have to check back in every day to find out if fares have gone down when you create a Price Alert. We'll notify you as soon as the price changes on cheap flights from YQT to SFO.

  • Tailor your flights with filters. Select your ideal departure and arrival times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' flights from Thunder Bay International Airport to San Francisco International Airport.

Handy information about Thunder Bay International Airport (YQT)

  • When it comes to the on-time performance of Thunder Bay International Airport, 59.73% of flights arrive within the expected timeframe.

  • Central Thunder Bay to Thunder Bay International Airport is around 6 kilometres. Depending on traffic, it'll take about 10 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Taking public transport? You can expect a journey time of around 15 minutes.

  • Catching an early flight from Thunder Bay International Airport to San Francisco International Airport? Avoid rushing to the airport (and get some extra shut-eye) by picking one of these stays close to YQT:

Arriving at San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • San Francisco International Airport is approximately 21 kilometres from the centre of San Francisco. The drive time takes about 20 minutes.

  • Travelling to the centre by public transport will take you roughly 45 minutes.

When to fly to San Francisco International Airport (SFO)

  • August is the busiest month for flights from Thunder Bay International Airport to San Francisco International Airport. For smaller crowds, travel to San Francisco in February.

  • The warmest month in San Francisco is September, with the temperature ranging between 12ºC (54ºF) and 22ºC (72ºF). Book your flights from Thunder Bay International Airport to San Francisco International Airport in this month if this is the kind of weather you like.

  • If you like travelling in cooler conditions, search for a cheap ticket from YQT to SFO in January. Average temperatures are between 6ºC (43ºF) and 16ºC (61ºF) then.

Explore more of United States

  • You've done San Francisco, now it's time to discover other parts of United States. Journey around 64 kilometres south-east to San Jose to check off its leading sights. From Winchester Mystery House to Rosicrucian Egyptian Museum and San Jose Museum of Art, there's plenty to keep you busy.

  • Around 257 kilometres south-east of San Francisco, Fresno is another essential stop in United States. Experience the best of this destination with a visit to Forestiere Underground Gardens, Fresno Chaffee Zoo and Shinzen Japanese Garden.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.