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

Return flights

13 Oct - 29 Oct	Lufthansa
20 Oct - 29 Oct	Lufthansa
20 Oct - 27 Oct	Lufthansa
21 Oct - 29 Oct	SWISS
21 Oct - 28 Oct	SWISS
22 Oct - 03 Nov	Lufthansa
14 Oct - 12 Nov	Lufthansa
27 Oct - 05 Nov	Lufthansa
24 Oct - 03 Nov	Air China
23 Oct - 30 Oct	Air China
18 Oct - 25 Oct	Air China
31 Oct - 08 Nov	Air China
31 Oct - 07 Nov	Air China
14 Oct - 28 Oct	Lufthansa
14 Oct - 29 Oct	Lufthansa
20 Oct - 30 Oct	Air China
30 Oct - 08 Nov	Air China
30 Oct - 01 Nov	Air China
30 Oct - 06 Nov	Air China
30 Oct - 07 Nov	Air China

Also check the deals for one-way flights from Seoul to Barcelona in October.

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 Barcelona

Cheap car rent in Barcelona

Cheapest return flights from Seoul to Barcelona in October from 462€

Return flights