Cheapest return flights from Bangkok to Seoul in September from 204€

Best time to book flights for Bangkok (BKK) to Seoul (ICN) flights at AirHint

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

Return flights

28 Sep - 18 Oct VietJet Air
28 Sep - 18 Oct Thai AirAsia X direct
10 Sep - 14 Sep Thai AirAsia X
10 Sep - 14 Sep Thai AirAsia X direct
28 Sep - 28 Sep Thai AirAsia X direct
06 Sep - 19 Sep Thai AirAsia X direct
06 Sep - 25 Sep Thai AirAsia X direct
06 Sep - 17 Sep Thai AirAsia X direct
06 Sep - 20 Sep Thai AirAsia X direct
06 Sep - 26 Sep Thai AirAsia X direct
06 Sep - 12 Sep Thai AirAsia X direct
06 Sep - 23 Sep Thai AirAsia X direct
29 Sep - 14 Oct Thai AirAsia X direct
29 Sep - 13 Oct Thai AirAsia X direct
29 Sep - 16 Oct Thai AirAsia X direct
29 Sep - 11 Oct Thai AirAsia X direct
29 Sep - 18 Oct Thai AirAsia X direct
29 Sep - 15 Oct Thai AirAsia X direct
29 Sep - 12 Oct Thai AirAsia X direct
29 Sep - 19 Oct Thai AirAsia X direct

Also check the deals for one-way flights from Bangkok 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