Cheapest return flights from Seoul to Frankfurt in September from 435€

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

Return flights

15 Sep - 19 Sep MIAT Mongolian Airlines
17 Sep - 02 Oct China Southern
15 Sep - 24 Sep MIAT Mongolian Airlines
15 Sep - 29 Sep MIAT Mongolian Airlines
17 Sep - 23 Oct China Southern
17 Sep - 23 Sep China Southern
08 Sep - 16 Sep Air China
10 Sep - 17 Sep China Eastern
09 Sep - 24 Sep T'way Air direct
11 Sep - 17 Sep T'way Air direct
09 Sep - 16 Sep T'way Air direct
09 Sep - 23 Sep T'way Air direct
22 Sep - 01 Oct Air China
22 Sep - 03 Oct Air China
22 Sep - 02 Oct Air China
17 Sep - 01 Oct Air China
10 Sep - 02 Oct China Southern
23 Sep - 04 Oct Air China
16 Sep - 04 Oct Air China
16 Sep - 01 Oct Air China

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