Cheapest return flights from Seoul to Bangkok in September from 114€
AirHint found the following cheapest return flights from Seoul (ICN) to Bangkok (BKK)
in September 2025 (see full year ).
Return flights
09 Sep
- 12 Sep
Vietnam Airlines
114 €
05 Sep
- 08 Sep
Vietnam Airlines
114 €
18 Sep
- 24 Sep
Vietnam Airlines
114 €
18 Sep
- 25 Sep
Vietnam Airlines
114 €
19 Sep
- 26 Sep
Vietnam Airlines
119 €
15 Sep
- 22 Sep
Vietnam Airlines
119 €
12 Sep
- 16 Sep
Vietnam Airlines
120 €
13 Sep
- 20 Sep
Vietnam Airlines
122 €
22 Sep
- 30 Sep
Vietnam Airlines
122 €
08 Sep
- 17 Sep
Vietnam Airlines
122 €
22 Sep
- 03 Oct
Vietnam Airlines
123 €
22 Sep
- 02 Oct
Air Premia
151 €
direct
21 Sep
- 02 Oct
T'way Air
156 €
direct
01 Sep
- 01 Oct
T'way Air
156 €
direct
26 Sep
- 05 Oct
Thai AirAsia X
159 €
direct
25 Sep
- 01 Oct
Air Premia
159 €
direct
28 Sep
- 02 Oct
Air Premia
159 €
direct
26 Sep
- 03 Oct
Thai AirAsia X
160 €
direct
23 Sep
- 03 Oct
Jin Air
161 €
direct
15 Sep
- 03 Oct
Jin Air
161 €
direct
Also check the deals for one-way flights from Seoul to Bangkok in September .
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.
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