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Cheapest one-way flights from Seoul (GMP) to Bangkok (BKK), September

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Dates, airline, and price
Dates	Airline	Price
12 Sep	T'way Air
01 Sep	T'way Air
02 Sep	Jeju Air
03 Sep	T'way Air
14 Sep	T'way Air
07 Sep	T'way Air
28 Sep	Jeju Air
18 Sep	T'way Air
27 Sep	Air Busan
26 Sep	Air Busan

deals for return flights from Seoul to Bangkok in September.

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Updated Jul 18, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Seoul (GMP) to Bangkok (BKK), September

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