Cheapest return flights from Seoul to Frankfurt in September from $599

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

Return flights

16 Sep - 25 Sep Lufthansa direct
16 Sep - 22 Sep Lufthansa direct
16 Sep - 19 Sep Lufthansa direct
16 Sep - 26 Sep Lufthansa direct
15 Sep - 24 Sep Lufthansa direct
15 Sep - 22 Sep MIAT Mongolian Airlines
14 Sep - 21 Sep Air China
19 Sep - 21 Sep Air China
11 Sep - 23 Sep Air China
11 Sep - 21 Sep Air China
11 Sep - 04 Oct Lufthansa direct
13 Sep - 25 Oct Air China
25 Sep - 04 Oct Lufthansa
24 Sep - 15 Oct MIAT Mongolian Airlines
22 Sep - 04 Oct Lufthansa
26 Sep - 15 Oct MIAT Mongolian Airlines
23 Sep - 01 Oct Vietnam Airlines
13 Sep - 04 Oct Lufthansa direct
23 Sep - 23 Oct Lufthansa
23 Sep - 28 Oct Lufthansa

Also check the deals for one-way flights from Seoul to Frankfurt in September.

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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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