Cheap flights from Calgary to San Francisco
from 146 US$
From 213 USD — compare hundreds of airlines
The cheapest month is usually 2026-08 · 146 US$
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About this route
Compare flights from Calgary to San Francisco, a about 1,626 km route (around 2h 32m 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, WestJet operate this route.
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 Calgary to San Francisco?
It's usually 2026-08, from 146 USD. Use the price calendar to compare other dates.
How long is the flight from Calgary to San Francisco?
A nonstop flight takes about 2h 32m and covers around 1,626 km. Connecting itineraries take longer.
Are there direct flights from Calgary to San Francisco?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Calgary to San Francisco?
Air Canada, United Airlines, WestJet operate this route, among others. Compare them all in the results.
When should I book Calgary–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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Calgary → San Francisco · Live fares from 100+ sites — free, with no hidden fees.