Cheapest return flights from Seoul to Bangkok in May from $199

Best time to book flights for Seoul (GMP) to Bangkok (BKK) flights at AirHint

AirHint found the following cheapest return flights from Seoul (GMP) to Bangkok (BKK) in May 2025 (see full year).

Return flights

10 May - 14 May Air Busan
08 May - 15 May T'way Air
10 May - 13 May Air Busan
10 May - 15 May T'way Air
07 May - 13 May Air Busan
10 May - 12 May T'way Air
15 May - 19 May Jin Air
11 May - 15 May T'way Air
29 May - 01 Jun Jeju Air
28 May - 01 Jun Jeju Air
17 May - 19 May Jeju Air
28 May - 04 Jun Jeju Air
21 May - 24 May Eastar Jet
29 May - 05 Jun Jeju Air
29 May - 02 Jun Jeju Air
09 May - 10 Jun Jeju Air
30 May - 03 Jun Jeju Air
27 May - 23 Jun Jeju Air
28 May - 10 Jun Jeju Air
27 May - 02 Jun Air Busan

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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