Cheapest return flights from San Francisco to Athens in September from $579

AirHint found the following cheapest return flights from San Francisco (SFO) to Athens (ATH) in September 2025 (see full year).

Return flights

23 Sep - 14 Oct Hawaiian Airlines
24 Sep - 08 Oct Air Canada
04 Sep - 18 Sep Hawaiian Airlines
05 Sep - 20 Sep Hawaiian Airlines
06 Sep - 20 Sep Frontier Airlines
23 Sep - 07 Oct Scandinavian Airlines
13 Sep - 24 Sep Hawaiian Airlines
09 Sep - 20 Sep Hawaiian Airlines
17 Sep - 02 Oct Hawaiian Airlines
19 Sep - 30 Sep Hawaiian Airlines
02 Sep - 16 Sep Scandinavian Airlines
12 Sep - 24 Sep Hawaiian Airlines
20 Sep - 04 Oct Frontier Airlines
19 Sep - 08 Oct Hawaiian Airlines
06 Sep - 13 Sep Frontier Airlines
25 Sep - 12 Oct TAP
25 Sep - 03 Oct jetBlue
30 Sep - 19 Oct Scandinavian Airlines
01 Sep - 15 Sep Air Canada
24 Sep - 12 Oct Air Canada

Also check the deals for one-way flights from San Francisco to Athens 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 Athens

Cheap car rent in Athens

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