Portland to San Francisco: what the flight costs
In the last 60 days we checked this route 9 times. The typical return was £305 per person and the lowest £93, taxes and fees included.
| Per person | |
|---|---|
| Lowest seen | £93 |
| Typical (median) | £305 |
| Price checks, 60 days | 9 |
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Trips we picked on this route
Just found · from PortlandLowest in 30 days
San Francisco
14 – 21 Nov 2026 · 7 nights
- Nonstop on United, 1h 55m
- £211 per person below the typical fare on this route
- Lowest in 30 days on this route
£1,389 for two · 7 nights · flights, hotel, taxes & fees
Flights £187 + hotel £1,202, taxes in · a checked bag each adds about £121
United · nonstop · 1h 55m
The catch: Hold luggage, seat selection and any resort fee are extra: they are not in the total.
Worth it if you want to walk, eat and see things; skip it if you want to switch off.
Just found · from Portland25% below typicalWorth it, if
San Francisco
16 – 18 Oct 2026 · 2 nights
- £106 per person below the typical fare on this route
- Highs 63–84°F, little rain expected
- No passport needed
£305 per person · round trip · taxes & fees
Frontier · with a stop · 19h 48m
The catch: Not nonstop: a stop on the way, 19h 48m in all.
Worth it if you want to walk, eat and see things; skip it if you want to switch off.
Every fare we found in the last 30 days
| Checked | Trip dates | Per person | Airline | Stops | Duration | Source |
|---|---|---|---|---|---|---|
| 13 Oct 2026 | 14 – 21 Nov 2026 | £96 | AS | with a stop | 14h 50m | Kiwi.com |
| 13 Oct 2026 | 14 – 21 Nov 2026 | £93 | United | nonstop | 1h 55m | Google Flights |
| 13 Oct 2026 | 14 – 21 Nov 2026 | £95 | AS + F9 | with a stop | 1h 52m | Kiwi.com |
| 13 Oct 2026 | 16 – 18 Oct 2026 | £305 | Frontier | with a stop | 19h 48m | Google Flights |
| 13 Oct 2026 | 16 – 18 Oct 2026 | £472 | AS | nonstop | 1h 50m | Kiwi.com |
| 12 Oct 2026 | 5 – 8 Nov 2026 | £151 | AS | nonstop | 1h 54m | Kiwi.com |
| 12 Oct 2026 | 23 – 25 Oct 2026 | £356 | AS | nonstop | 1h 50m | Kiwi.com |
| 12 Oct 2026 | 16 – 18 Oct 2026 | £465 | AS | nonstop | 1h 50m | Kiwi.com |
| 12 Oct 2026 | 16 – 18 Oct 2026 | £467 | AS | nonstop | 1h 50m | Kiwi.com |
About San Francisco
San Francisco packs the Golden Gate Bridge, cable cars, Alcatraz and a pioneering food scene into a compact city of hills and bay views.
San Francisco from every city: when to go, where to stay, what to do
Questions about Portland to San Francisco
What does a return from Portland to San Francisco usually cost?
Over the last 60 days the typical price we found was £305 per person, taxes and fees included, across 9 checks; the lowest was £93.
When is the best time to fly from Portland to San Francisco?
San Francisco is at its best in April, May, September, October and November. Avoid July, August: Foggy, chilly summer with the heaviest crowds
Do I need a passport to fly from Portland to San Francisco?
No passport needed for travellers from the United States: a government photo ID is enough for San Francisco.
Prices converted from US dollars at the rate of 15 Oct 2026.