Cheapest return flights from Seoul to Frankfurt in September from $666

Best time to book flights for Seoul (ICN) to Frankfurt (FRA) flights at AirHint

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

Return flights

18 Sep - 29 Sep MIAT Mongolian Airlines
18 Sep - 24 Sep Vietnam Airlines
17 Sep - 24 Sep Vietnam Airlines
26 Sep - 04 Oct MIAT Mongolian Airlines
29 Sep - 06 Oct MIAT Mongolian Airlines
24 Sep - 28 Sep Singapore Airlines
25 Sep - 28 Sep Singapore Airlines
24 Sep - 29 Sep Singapore Airlines
15 Sep - 22 Sep Singapore Airlines
16 Sep - 23 Sep Singapore Airlines
10 Sep - 15 Sep Singapore Airlines
14 Sep - 21 Sep Singapore Airlines
17 Sep - 01 Oct Emirates
22 Sep - 01 Oct Singapore Airlines
24 Sep - 23 Oct Singapore Airlines
24 Sep - 24 Oct Singapore Airlines
23 Sep - 28 Oct Singapore Airlines
24 Sep - 13 Oct Singapore Airlines
25 Sep - 13 Oct Singapore Airlines
24 Sep - 16 Oct Air Astana

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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