Cheapest return flights from Frankfurt to Seoul in September from 597€

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

02 Sep - 23 Sep China Southern
22 Sep - 05 Oct MIAT Mongolian Airlines
10 Sep - 18 Oct MIAT Mongolian Airlines
13 Sep - 20 Sep MIAT Mongolian Airlines
15 Sep - 06 Oct MIAT Mongolian Airlines
19 Sep - 30 Sep China Eastern
02 Sep - 15 Sep China Southern
17 Sep - 08 Oct MIAT Mongolian Airlines
29 Sep - 20 Oct MIAT Mongolian Airlines
19 Sep - 13 Oct MIAT Mongolian Airlines
19 Sep - 11 Oct MIAT Mongolian Airlines
11 Sep - 16 Sep MIAT Mongolian Airlines
14 Sep - 21 Sep MIAT Mongolian Airlines
18 Sep - 22 Sep MIAT Mongolian Airlines
06 Sep - 22 Sep MIAT Mongolian Airlines
04 Sep - 19 Sep MIAT Mongolian Airlines
11 Sep - 26 Sep MIAT Mongolian Airlines
29 Sep - 13 Oct MIAT Mongolian Airlines
24 Sep - 15 Oct MIAT Mongolian Airlines
29 Sep - 11 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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