Cheapest return flights from San Diego (SAN) to San Francisco (SFO), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
16 Sep 19 Sep Frontier Airlines
Direct Flight
23 Sep 26 Sep Frontier Airlines
Direct Flight
15 Sep 22 Sep Frontier Airlines
Direct Flight
16 Sep 26 Sep Frontier Airlines
Direct Flight
16 Sep 23 Sep Frontier Airlines
Direct Flight
26 Sep 28 Sep Frontier Airlines
Direct Flight
29 Sep 29 Sep Frontier Airlines
Direct Flight
26 Sep 29 Sep Frontier Airlines
Direct Flight
15 Sep 21 Sep Frontier Airlines
Direct Flight
30 Sep 01 Oct Frontier Airlines
Direct Flight
15 Sep 17 Sep Frontier Airlines
Direct Flight
21 Sep 05 Oct United
Direct Flight
22 Sep 06 Oct United
Direct Flight
23 Sep 07 Oct United
Direct Flight
24 Sep 08 Oct United
Direct Flight
27 Sep 11 Oct United
Direct Flight
30 Sep 14 Oct United
Direct Flight
17 Sep 01 Oct United
Direct Flight
04 Sep 07 Oct Frontier Airlines
Direct Flight
Powered by

deals for one-way flights from San Diego to San Francisco in September.

Book a cheap hotel in San Francisco

Cheap car rent in San Francisco Intl

Updated Aug 25, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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