Cheap flights from Toronto to San Francisco
Cheap return flights from Toronto to San Francisco
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
San Francisco flight facts
What you need to know
What are the cheapest airlines?
- WestJet
- Air Canada
- Alaska Airlines
These airlines usually offer the cheapest flights from Toronto to San Francisco.
What airlines fly indirectly?
- United Airlines
- Delta Air Lines
- American Airlines
These airlines fly from Toronto to San Francisco, but you’ll have at least one layover.
How long is the flight?
5 hours 30 minutes
This is the shortest flight time from Toronto to San Francisco.
Alternative flights from the UK to San Francisco
Check out prices for other routes
Alternative flights from Toronto
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Toronto/San Francisco route. There are around 35 flights on any given week from the UK to San Francisco and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Toronto to San Francisco
Tips and advice from our flight experts
You've searched for flights from Toronto to San Francisco. We've found 25 flights and compared them to give you the best offer. On average, WestJet is the cheapest airline for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for Toronto to San Francisco on 25/06/2026 at 15:10 for £32.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 4,200 km flight from Toronto to San Francisco.
To find the best offers, book your flight at least 2-3 months in advance. Consider traveling during off-peak seasons. WestJet is a popular and affordable choice for this route, with an average flight duration of 5 hours 30 minutes. After selecting an offer, fill out your information and proceed with payment. Don't forget to check our flight + hotel service to save time and money!
Other popular destinations near San Francisco
Where other people are flying to
