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

Return flights

24 Sep - 23 Oct	Condor
05 Sep - 09 Sep	Condor
02 Sep - 16 Sep	Condor
07 Sep - 14 Sep	Condor
17 Sep - 22 Sep	Hawaiian Airlines
15 Sep - 21 Sep	Condor
08 Sep - 21 Sep	Condor
09 Sep - 19 Sep	Hawaiian Airlines
05 Sep - 14 Sep	Frontier Airlines
01 Sep - 15 Sep	Condor
02 Sep - 09 Sep	Condor
22 Sep - 17 Oct	Scandinavian Airlines
01 Sep - 01 Oct	United
07 Sep - 03 Oct	Aer Lingus
16 Sep - 01 Oct	SWISS
01 Sep - 01 Oct	Air France	direct
30 Sep - 07 Oct	United
23 Sep - 03 Oct	Aer Lingus
21 Sep - 03 Oct	Aer Lingus
21 Sep - 03 Oct	Air France	direct

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

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Cheapest return flights from San Francisco to Paris in September from 443€

Return flights