Cheap flights from Portland to San Francisco
from 57 US$
From 171 USD — compare hundreds of airlines
The cheapest month is usually 2026-09 · 57 US$
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About this route
Compare flights from Portland to San Francisco, a about 869 km route (around 1h 35m 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 American Airlines, Alaska Airlines, Delta 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 Portland to San Francisco?
It's usually 2026-09, from 57 USD. Use the price calendar to compare other dates.
How long is the flight from Portland to San Francisco?
A nonstop flight takes about 1h 35m and covers around 869 km. Connecting itineraries take longer.
Are there direct flights from Portland to San Francisco?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Portland to San Francisco?
American Airlines, Alaska Airlines, Delta, United Airlines operate this route, among others. Compare them all in the results.
When should I book Portland–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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Portland → San Francisco · Live fares from 100+ sites — free, with no hidden fees.