Cheapest return flights from Frankfurt to Seoul in September from $686

Best time to book flights for Frankfurt (FRA) to Seoul (ICN) flights at AirHint

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

Return flights

08 Sep - 22 Sep MIAT Mongolian Airlines
22 Sep - 06 Oct MIAT Mongolian Airlines
01 Sep - 22 Sep MIAT Mongolian Airlines
10 Sep - 24 Sep MIAT Mongolian Airlines
27 Sep - 11 Oct MIAT Mongolian Airlines
15 Sep - 06 Oct MIAT Mongolian Airlines
26 Sep - 11 Oct MIAT Mongolian Airlines
09 Sep - 18 Sep Etihad Airways
03 Sep - 24 Sep MIAT Mongolian Airlines
17 Sep - 24 Sep MIAT Mongolian Airlines
10 Sep - 17 Sep MIAT Mongolian Airlines
01 Sep - 15 Sep MIAT Mongolian Airlines
05 Sep - 26 Sep MIAT Mongolian Airlines
13 Sep - 27 Sep MIAT Mongolian Airlines
26 Sep - 22 Oct MIAT Mongolian Airlines
30 Sep - 13 Oct Finnair
24 Sep - 10 Oct Turkish Airlines
30 Sep - 09 Oct Finnair
09 Sep - 16 Oct Emirates
08 Sep - 06 Oct Emirates

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