AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Frankfurt (FRA) in September 2025 (see full year).

Return flights

20 Sep - 02 Oct	Lufthansa
20 Sep - 07 Oct	Lufthansa
20 Sep - 03 Oct	Lufthansa
30 Sep - 25 Oct	British Airways
30 Sep - 25 Oct	Lufthansa	direct
28 Sep - 05 Oct	Lufthansa	direct
20 Sep - 07 Oct	Lufthansa	direct
27 Sep - 18 Oct	Air Canada
20 Sep - 06 Oct	Frontier Airlines
20 Sep - 02 Oct	Lufthansa	direct
26 Sep - 29 Sep	Frontier Airlines
25 Sep - 30 Sep	Delta
26 Sep - 29 Sep	Lufthansa	direct
25 Sep - 30 Sep	Lufthansa	direct
16 Sep - 23 Sep	Spirit Airlines
19 Sep - 26 Sep	Frontier Airlines
17 Sep - 24 Sep	Frontier Airlines
15 Sep - 30 Sep	Frontier Airlines
19 Sep - 21 Sep	Spirit Airlines
17 Sep - 24 Sep	British Airways	direct

Also check the deals for one-way flights from Dallas-Fort Worth 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 Dallas-Fort Worth to Frankfurt in September from 528€

Return flights