Cheapest return flights from Seoul to Frankfurt in September from $513

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

Return flights

13 Sep - 20 Sep MIAT Mongolian Airlines
01 Sep - 05 Sep MIAT Mongolian Airlines
07 Sep - 18 Sep MIAT Mongolian Airlines
09 Sep - 22 Sep MIAT Mongolian Airlines
12 Sep - 14 Sep MIAT Mongolian Airlines
16 Sep - 29 Sep MIAT Mongolian Airlines
06 Sep - 20 Sep MIAT Mongolian Airlines
04 Sep - 21 Sep Air China
04 Sep - 14 Sep Air China
04 Sep - 12 Sep Air China
23 Sep - 21 Oct T'way Air direct
09 Sep - 16 Oct T'way Air direct
15 Sep - 16 Oct T'way Air direct
11 Sep - 21 Oct T'way Air direct
15 Sep - 30 Oct Scandinavian Airlines
19 Sep - 03 Oct Asiana Airlines direct
26 Sep - 03 Oct Asiana Airlines direct
18 Sep - 01 Oct T'way Air direct
19 Sep - 04 Oct Asiana Airlines direct
02 Sep - 24 Oct Asiana Airlines direct

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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