Cheapest return flights from Seoul to Bangkok in September from 438€

AirHint found the following cheapest return flights from Seoul (GMP) to Bangkok (BKK) in September 2026 (see full year).

Return flights

10 Sep - 20 Sep Air China
10 Sep - 17 Sep Air China
08 Sep - 10 Sep Air China
08 Sep - 11 Sep Air China
11 Sep - 18 Sep Air China
01 Sep - 23 Sep Air China
13 Sep - 20 Sep Air China
07 Sep - 11 Sep Air China
01 Sep - 06 Sep Air China
25 Sep - 30 Sep EVA Air
25 Sep - 04 Oct Air China
28 Sep - 02 Oct Air China
23 Sep - 04 Oct Japan Airlines

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

Powered by

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.