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

Return flights

08 Jan - 18 Jan	China Eastern
08 Jan - 15 Jan	China Eastern
15 Jan - 11 Feb	Air China
09 Jan - 19 Jan	Air China
09 Jan - 18 Jan	Air China
23 Jan - 25 Jan	Air China
12 Jan - 21 Jan	Air China
04 Jan - 21 Jan	Air China
05 Jan - 10 Jan	Air China
16 Jan - 23 Jan	Air China
22 Jan - 26 Jan	Air China
12 Jan - 16 Feb	Air China
13 Jan - 16 Feb	Air China
19 Jan - 02 Feb	Air China
29 Jan - 01 Feb	Air China
07 Jan - 11 Feb	Air China
08 Jan - 13 Feb	Air China
11 Jan - 13 Feb	Air China
05 Jan - 13 Feb	Air China
12 Jan - 13 Feb	Air China

Also check the deals for one-way flights from Seoul to Barcelona 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 Barcelona in January from 453€

Return flights