Portland International (PDX) to San Francisco International (SFO).
| Departure | Return | Price |
|---|---|---|
| 06/02/2026 | 06/09/2026 | $137 |
| 06/02/2026 | 06/10/2026 | $137 |
| 06/10/2026 | 06/16/2026 | $137 |
| 06/23/2026 | 06/30/2026 | $137 |
| 06/23/2026 | 07/01/2026 | $137 |
| 07/01/2026 | 07/07/2026 | $137 |
| 07/01/2026 | 07/08/2026 | $137 |
| 07/08/2026 | 07/14/2026 | $137 |
| 07/08/2026 | 07/15/2026 | $137 |
| 07/14/2026 | 07/21/2026 | $137 |
Based on current fares, August is the cheapest month to fly from Portland to San Francisco, with average fares around $177 round trip (as low as $137).
May tends to be more expensive, averaging $221.
See the full month-by-month and day-of-week price analysis
Best Time to Fly PDX → SFODeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Portland to San Francisco is August, with average round-trip fares around $177. Fares in August start as low as $137. The most expensive month is May, averaging $221.
A nonstop flight from Portland to San Francisco takes approximately 2h.
The cheapest flight from Portland to San Francisco currently starts at $137 round trip in economy class.
The average round-trip flight price from Portland to San Francisco is $215 in economy class.
The distance is 550 miles (885 km). with a nonstop flight time of about 2h. The lowest fare currently available is $137 departing in June. The average round-trip fare is $215.
Set up a guest alert and we'll keep checking prices for you. No account needed.
Get Started Free →Check prices for San Francisco to Portland
View San Francisco → Portland