Cheap flights from Thunder Bay to San Francisco
Best time to book a flight from Thunder Bay to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Thunder Bay with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Thunder Bay to San Francisco
Rainfall in San Francisco by month
Plan your trip to San Francisco by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 mm per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.
Temperature in San Francisco by month
Plan your trip to San Francisco by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).
Related info for your journey
Find useful and relevant information for your journey from Thunder Bay to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Thunder Bay?
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Alternative routes for Thunder Bay to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Thunder Bay to San Francisco
Discover the top airline that operate flights from Thunder Bay to San Francisco. 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 629,999 searches. Data last updated 12 junio 2025.
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How does Cheapflights help users find flights from Thunder Bay to San Francisco?
When you search for this flight from Thunder Bay to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Thunder Bay to San Francisco?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Thunder Bay to San Francisco for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Thunder Bay to San Francisco with no change fees?
Certainly. Search results for flights to San Francisco from Thunder Bay shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Thunder Bay to San Francisco become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Francisco from Thunder Bay today and book when prices fit your budget.