Cheapest return flights from Frankfurt to Seoul in September from 510€

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

Return flights

29 Sep - 21 Oct Ryanair
29 Sep - 15 Oct Ryanair
22 Sep - 14 Oct Ryanair
27 Sep - 11 Oct MIAT Mongolian Airlines
22 Sep - 15 Oct Ryanair
03 Sep - 12 Sep MIAT Mongolian Airlines
30 Sep - 14 Oct T'way Air direct
30 Sep - 15 Oct T'way Air direct
25 Sep - 17 Oct T'way Air direct
29 Sep - 16 Oct T'way Air direct
29 Sep - 21 Oct T'way Air direct
09 Sep - 25 Sep Air Serbia
11 Sep - 17 Sep T'way Air
06 Sep - 19 Sep Ryanair
06 Sep - 16 Sep Ryanair
06 Sep - 10 Sep MIAT Mongolian Airlines
03 Sep - 13 Sep MIAT Mongolian Airlines
08 Sep - 21 Sep MIAT Mongolian Airlines
01 Sep - 07 Sep MIAT Mongolian Airlines
01 Sep - 06 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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