Cheapest return flights from Seoul to Bangkok in October from $143

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

Return flights

12 Oct - 19 Oct Vietnam Airlines
14 Oct - 23 Oct Vietnam Airlines
18 Oct - 22 Oct Vietnam Airlines
25 Oct - 28 Oct Vietnam Airlines
11 Oct - 15 Oct Vietnam Airlines
26 Oct - 31 Oct Vietnam Airlines
31 Oct - 14 Nov Vietnam Airlines
13 Oct - 20 Oct Vietnam Airlines
10 Oct - 16 Oct Vietnam Airlines
10 Oct - 31 Oct Vietnam Airlines
18 Oct - 20 Oct Vietnam Airlines
23 Oct - 01 Nov Vietnam Airlines
28 Oct - 11 Nov Vietnam Airlines
24 Oct - 02 Nov Vietnam Airlines
22 Oct - 02 Nov Vietnam Airlines
25 Oct - 11 Nov Vietnam Airlines
25 Oct - 09 Nov Vietnam Airlines
27 Oct - 06 Nov Vietnam Airlines
27 Oct - 05 Nov Vietnam Airlines
31 Oct - 05 Nov Vietnam Airlines

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

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 Bangkok

Cheap car rent in Bangkok

Feel free to contact us with any feedback or request another flight research.