Cheapest return GMP–BKK flights, April

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

Return flights

30 Apr - 02 May Air Busan
30 Apr - 03 May Air Busan
30 Apr - 06 May T'way Air
30 Apr - 05 May Korean Air
30 Apr - 17 May Japan Airlines
30 Apr - 28 May Japan Airlines
30 Apr - 20 May Japan Airlines
30 Apr - 19 May Japan Airlines
30 Apr - 21 May Japan Airlines
30 Apr - 29 May Japan Airlines

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

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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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