Cheap Flights from Toronto to San Franciscofrom $266

About the Toronto to San Francisco route

The route between Toronto (Canada) and San Francisco (United States) is a popular path for both leisure and business travellers. Most major carriers operate this corridor and competition keeps fares accessible — especially if you book mid-week and travel outside the high season.

Best time to book

For the cheapest fares from Toronto to San Francisco, aim to book around 6–10 weeks before departure for short-haul and 12–16 weeks for long-haul. Tuesdays and Wednesdays usually carry the lowest prices, while shoulder seasons (April–May and September–October) offer the strongest fare-to-experience ratio.

Airlines flying this route

A mix of full-service and low-cost carriers serve this route. Compare alliance partners, baggage policies, and total trip duration — sometimes a one-stop fare with a brief layover is significantly cheaper than the non-stop option without sacrificing total travel time.

Tips for San Francisco

Once you land in San Francisco, plan ahead for transfers from the airport. Public transport, ride-hailing, and pre-booked private transfers all have their place — your best choice depends on luggage, group size, and arrival time. Pair your flight with a hotel deal in San Francisco to maximise savings.