Cheapest return flights from Seoul to Frankfurt in September from $550

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

25 Sep - 09 Oct China Eastern
02 Sep - 18 Sep China Eastern
01 Sep - 16 Sep China Eastern
29 Sep - 13 Oct China Eastern
24 Sep - 01 Oct MIAT Mongolian Airlines
24 Sep - 06 Oct MIAT Mongolian Airlines
21 Sep - 27 Sep MIAT Mongolian Airlines
12 Sep - 22 Sep MIAT Mongolian Airlines
29 Sep - 04 Oct MIAT Mongolian Airlines
06 Sep - 20 Sep MIAT Mongolian Airlines
07 Sep - 15 Sep Singapore Airlines
17 Sep - 23 Sep Singapore Airlines
07 Sep - 16 Sep Singapore Airlines
14 Sep - 24 Sep Singapore Airlines
08 Sep - 22 Sep Singapore Airlines
25 Sep - 15 Oct Singapore Airlines
24 Sep - 15 Oct Singapore Airlines
25 Sep - 01 Oct Singapore Airlines
26 Sep - 08 Oct MIAT Mongolian Airlines
25 Sep - 08 Oct MIAT Mongolian Airlines

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

Skyscanner

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.

Book a cheap hotel in Frankfurt

Cheap car rent in Frankfurt