Cheap flights from Toronto to San Francisco
from 210 US$
From 316 USD — compare hundreds of airlines
The cheapest month is usually 2026-10 · 210 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Toronto to San Francisco, a about 3,644 km route (around 5h nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Air Canada, United Airlines operate this route.
The airports on this route
About 22 km from downtown Toronto
Getting around: UP Express train to Union Station, buses, taxis and apps
The UP Express reaches Union Station in ~25 min — it nearly always beats traffic.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Toronto to San Francisco?
It's usually 2026-10, from 210 USD. Use the price calendar to compare other dates.
How long is the flight from Toronto to San Francisco?
A nonstop flight takes about 5h and covers around 3,644 km. Connecting itineraries take longer.
Are there direct flights from Toronto to San Francisco?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Toronto to San Francisco?
Air Canada, United Airlines operate this route, among others. Compare them all in the results.
When should I book Toronto–San Francisco flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Toronto → San Francisco · Live fares from 100+ sites — free, with no hidden fees.