Cheapest return flights from Seoul to Bangkok in May from $419

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

Return flights

22 May - 26 May EVA Air
23 May - 26 May EVA Air
01 May - 05 May EVA Air
08 May - 15 May EVA Air
28 May - 31 May Air China
21 May - 25 May Air China
17 May - 22 May Air China
05 May - 10 May Air China
06 May - 10 May Air China
11 May - 05 Jun Air China
22 May - 25 May Air China

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

Skyscanner

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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