Cheapest one-way flights from Phoenix to San Francisco in September from 37€

AirHint found the following cheapest one-way flights from Phoenix (PHX) to San Francisco (SFO) in September 2025 (see full year).

One-Way flights

12 Sep Frontier Airlines direct
04 Sep Frontier Airlines direct
05 Sep Frontier Airlines direct
07 Sep Frontier Airlines direct
08 Sep Frontier Airlines direct
11 Sep Frontier Airlines direct
14 Sep Frontier Airlines direct
18 Sep Frontier Airlines direct
19 Sep Frontier Airlines direct
28 Sep Frontier Airlines direct

Also check the deals for return flights from Phoenix to San Francisco in September.

Skyscanner

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.

Book a cheap hotel in San Francisco

Cheap car rent in San Francisco

Feel free to contact us with any feedback or request another flight research.