Cheapest return flights from Seoul to Bangkok in May from $216

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

Return flights

07 May - 10 May Air Busan
13 May - 16 May Air Busan
09 May - 11 May Air Busan
19 May - 22 May Air Busan
25 May - 01 Jun Air Busan
07 May - 11 May Air Busan
12 May - 18 May Jeju Air
12 May - 14 May Jeju Air
06 May - 13 May Air Busan
06 May - 11 May Air Busan
12 May - 21 May Jeju Air
29 May - 01 Jun Jeju Air
27 May - 08 Jun Jeju Air
23 May - 01 Jun Jeju Air
29 May - 12 Jun Jeju Air
19 May - 11 Jun Jeju Air
13 May - 03 Jun EVA Air
29 May - 16 Jun EVA Air
29 May - 02 Jun EVA Air
05 May - 04 Jun Jeju Air

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

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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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