AirHint found the following cheapest return flights from Frankfurt (FRA) to Los Angeles (LAX) in September 2025 (see full year).

Return flights

08 Sep - 16 Sep	TAP
04 Sep - 16 Sep	TAP
08 Sep - 23 Sep	TAP
09 Sep - 23 Sep	TAP
05 Sep - 09 Sep	TAP
11 Sep - 23 Sep	TAP
06 Sep - 16 Sep	TAP
16 Sep - 30 Sep	TAP
11 Sep - 14 Sep	TAP
02 Sep - 09 Sep	TAP
29 Sep - 05 Oct	TAP
29 Sep - 07 Oct	TAP
14 Sep - 05 Oct	TAP
26 Sep - 05 Oct	TAP
26 Sep - 04 Oct	TAP
06 Sep - 04 Oct	TAP
25 Sep - 04 Oct	TAP
29 Sep - 14 Oct	TAP
29 Sep - 11 Oct	TAP
04 Sep - 02 Oct	easyJet

Also check the deals for one-way flights from Frankfurt to Los Angeles 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 Frankfurt to Los Angeles in September from 398€

Return flights