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

Return flights

13 Oct - 28 Oct	Lufthansa
23 Oct - 28 Oct	Lufthansa
22 Oct - 29 Oct	Lufthansa
15 Oct - 21 Oct	Lufthansa
20 Oct - 29 Oct	Lufthansa
16 Oct - 21 Oct	Lufthansa
12 Oct - 22 Oct	Lufthansa
13 Oct - 22 Oct	Lufthansa
19 Oct - 26 Oct	Air China
20 Oct - 27 Oct	Air China
24 Oct - 01 Nov	Air China
18 Oct - 01 Nov	Air China
27 Oct - 03 Nov	Lufthansa
26 Oct - 02 Nov	Lufthansa
23 Oct - 03 Nov	Finnair
31 Oct - 03 Nov	Etihad Airways

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 467€

Return flights