Cheapest one-way flights from Portland to San Francisco in September from $30
AirHint found the following cheapest one-way flights from Portland (PDX) to San Francisco (SFO) in September 2024 (see full year).
One-Way flights
| 17 Sep | Frontier Airlines | direct | |
| 10 Sep | Frontier Airlines | direct | |
| 20 Sep | Frontier Airlines | direct | |
| 16 Sep | Frontier Airlines | direct | |
| 01 Sep | Frontier Airlines | direct |
Also check the deals for return flights from Portland to San Francisco in September.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
