Cheapest return flights from Seoul to Bangkok in October from $306

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

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

Return flights

06 Oct - 09 Oct China Eastern
10 Oct - 13 Oct EVA Air
10 Oct - 14 Oct EVA Air
10 Oct - 15 Oct EVA Air
11 Oct - 15 Oct EVA Air
24 Oct - 28 Oct EVA Air
17 Oct - 24 Oct EVA Air
10 Oct - 30 Oct EVA Air
14 Oct - 20 Oct EVA Air
01 Oct - 07 Oct EVA Air
29 Oct - 02 Nov Air China
31 Oct - 08 Nov Air China
25 Oct - 01 Nov Air China
03 Oct - 05 Nov EVA Air

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