AirHint found the following cheapest return flights from Seoul (ICN) to Frankfurt (FRA) in January 2026 (see full year).

Return flights

15 Jan - 27 Jan	Air China
29 Jan - 15 Feb	Air China
26 Jan - 03 Feb	Air China
29 Jan - 17 Feb	Air China
26 Jan - 17 Feb	Air China
29 Jan - 03 Feb	Air China
20 Jan - 27 Jan	LOT
24 Jan - 31 Jan	LOT
17 Jan - 30 Jan	LOT
17 Jan - 31 Jan	LOT
20 Jan - 30 Jan	LOT
18 Jan - 24 Jan	LOT
14 Jan - 21 Jan	LOT
14 Jan - 20 Jan	LOT
20 Jan - 26 Jan	LOT
24 Jan - 07 Feb	LOT
28 Jan - 28 Feb	LOT
21 Jan - 25 Feb	LOT
18 Jan - 24 Feb	LOT
20 Jan - 06 Feb	LOT

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

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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Cheapest return flights from Seoul to Frankfurt in January from $572

Return flights