Cheapest return flights from Brussels to Seoul in September from $559

Best time to book flights for Brussels (BRU) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from Brussels (BRU) to Seoul (ICN) in September 2025 (see full year).

Return flights

14 Sep - 20 Sep Scandinavian Airlines
14 Sep - 24 Sep Scandinavian Airlines
18 Sep - 09 Oct Qatar Airways
14 Sep - 23 Sep Finnair
07 Sep - 18 Sep Etihad Airways
06 Sep - 13 Sep SWISS
11 Sep - 20 Sep Finnair
29 Sep - 23 Oct Turkish Airlines
02 Sep - 09 Sep Etihad Airways
07 Sep - 13 Sep Finnair
09 Sep - 17 Sep Etihad Airways
12 Sep - 11 Oct Turkish Airlines
22 Sep - 11 Oct SWISS
08 Sep - 15 Sep Finnair
22 Sep - 06 Oct Finnair
30 Sep - 20 Oct Scandinavian Airlines
26 Sep - 17 Oct Scandinavian Airlines
17 Sep - 01 Oct Finnair

Also check the deals for one-way flights from Brussels to Seoul in September.

Skyscanner

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 Seoul

Cheap car rent in Seoul