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
$ 666
18 Sep
- 24 Sep
Vietnam Airlines
$ 699
17 Sep
- 24 Sep
Vietnam Airlines
$ 699
26 Sep
- 04 Oct
MIAT Mongolian Airlines
$ 705
29 Sep
- 06 Oct
MIAT Mongolian Airlines
$ 721
24 Sep
- 28 Sep
Singapore Airlines
$ 741
25 Sep
- 28 Sep
Singapore Airlines
$ 741
24 Sep
- 29 Sep
Singapore Airlines
$ 744
15 Sep
- 22 Sep
Singapore Airlines
$ 744
16 Sep
- 23 Sep
Singapore Airlines
$ 744
10 Sep
- 15 Sep
Singapore Airlines
$ 744
14 Sep
- 21 Sep
Singapore Airlines
$ 744
17 Sep
- 01 Oct
Emirates
$ 756
22 Sep
- 01 Oct
Singapore Airlines
$ 774
24 Sep
- 23 Oct
Singapore Airlines
$ 774
24 Sep
- 24 Oct
Singapore Airlines
$ 774
23 Sep
- 28 Oct
Singapore Airlines
$ 803
24 Sep
- 13 Oct
Singapore Airlines
$ 820
25 Sep
- 13 Oct
Singapore Airlines
$ 821
24 Sep
- 16 Oct
Air Astana
$ 835
Also check the deals for one-way flights from Seoul to Frankfurt in September .
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.