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

Return flights

11 Sep - 16 Sep	Norse Atlantic Airways (UK)
30 Sep - 14 Oct	Norse Atlantic Airways (UK)
06 Sep - 11 Sep	Frontier Airlines
10 Sep - 17 Sep	Lufthansa	direct
07 Sep - 14 Sep	Lufthansa	direct
04 Sep - 11 Sep	United
25 Sep - 03 Oct	FrenchBee
24 Sep - 04 Oct	KLM
13 Sep - 20 Sep	United
25 Sep - 02 Oct	Lufthansa	direct
16 Sep - 23 Sep	United
19 Sep - 26 Sep	United
22 Sep - 29 Sep	United
01 Sep - 08 Sep	United
30 Sep - 14 Oct	Condor	direct
28 Sep - 05 Oct	United
24 Sep - 04 Oct	Lufthansa	direct

Also check the deals for one-way flights from Miami to Frankfurt 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 Miami to Frankfurt in September from 509€

Return flights