Cheapest return flights from San Francisco to Frankfurt in September from 645€

Best time to book flights for San Francisco (SFO) to Frankfurt (FRA) flights at AirHint

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

Return flights

24 Sep - 30 Sep TAP
09 Sep - 23 Sep TAP
03 Sep - 17 Sep Condor direct
09 Sep - 23 Sep Condor direct
01 Sep - 15 Sep Condor direct
21 Sep - 01 Oct Condor
21 Sep - 07 Oct Condor
06 Sep - 20 Sep Condor
24 Sep - 30 Sep Lufthansa direct
17 Sep - 24 Sep Lufthansa direct
21 Sep - 01 Oct Lufthansa direct
12 Sep - 05 Oct Turkish Airlines
07 Sep - 14 Sep United direct
27 Sep - 04 Oct United direct
06 Sep - 20 Sep United direct
12 Sep - 05 Oct United direct

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

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