Cheapest return flights from Frankfurt to Seoul in September from 620€

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

17 Sep - 24 Sep MIAT Mongolian Airlines
15 Sep - 22 Sep MIAT Mongolian Airlines
02 Sep - 22 Sep MIAT Mongolian Airlines
04 Sep - 26 Sep MIAT Mongolian Airlines
17 Sep - 27 Sep MIAT Mongolian Airlines
24 Sep - 22 Oct MIAT Mongolian Airlines
29 Sep - 20 Oct MIAT Mongolian Airlines
28 Sep - 15 Oct MIAT Mongolian Airlines
01 Sep - 16 Sep Finnair
09 Sep - 18 Sep MIAT Mongolian Airlines
02 Sep - 09 Sep Finnair
29 Sep - 13 Oct MIAT Mongolian Airlines
23 Sep - 22 Oct China Southern
16 Sep - 15 Oct China Southern
16 Sep - 08 Oct Finnair
07 Sep - 19 Sep MIAT Mongolian Airlines
01 Sep - 15 Sep Finnair
26 Sep - 18 Oct MIAT Mongolian Airlines
15 Sep - 11 Oct MIAT Mongolian Airlines
17 Sep - 08 Oct MIAT Mongolian Airlines

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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