Cheapest return flights from Frankfurt to Seoul in September from $648

AirHint found the following cheapest return flights from Frankfurt (FRA) to Seoul (ICN) in September 2026 (see full year).

Return flights

10 Sep - 12 Oct Air China
11 Sep - 13 Oct Air China
08 Sep - 10 Oct Air China
11 Sep - 10 Oct Air China
18 Sep - 10 Oct Air China
22 Sep - 10 Oct Air China
11 Sep - 12 Oct Air China
20 Sep - 28 Sep MIAT Mongolian Airlines
23 Sep - 28 Sep MIAT Mongolian Airlines
13 Sep - 28 Sep MIAT Mongolian Airlines
07 Sep - 28 Sep MIAT Mongolian Airlines
14 Sep - 30 Sep MIAT Mongolian Airlines
12 Sep - 28 Sep MIAT Mongolian Airlines
23 Sep - 08 Oct MIAT Mongolian Airlines
23 Sep - 18 Oct MIAT Mongolian Airlines
18 Sep - 16 Oct MIAT Mongolian Airlines
16 Sep - 30 Sep MIAT Mongolian Airlines
20 Sep - 30 Sep MIAT Mongolian Airlines
14 Sep - 28 Sep MIAT Mongolian Airlines
21 Sep - 30 Sep 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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