Cheapest return flights from Bangkok to Seoul in May from $217

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

Return flights

02 May - 09 Jun Thai VietJet Air direct
19 May - 25 May Shandong Airlines
09 May - 14 May Shandong Airlines
25 May - 30 May Shandong Airlines
10 May - 17 May Shandong Airlines
10 May - 14 May Shandong Airlines
31 May - 01 Jun Thai AirAsia
14 May - 27 May Shandong Airlines
09 May - 19 May Shandong Airlines
31 May - 04 Jun Thai AirAsia
09 May - 30 May Shandong Airlines
14 May - 14 May Shandong Airlines
10 May - 15 May Shandong Airlines
07 May - 08 Jun Thai VietJet Air
07 May - 08 Jun Thai VietJet Air direct
30 May - 03 Jun Shandong Airlines
22 May - 07 Jun Thai AirAsia
28 May - 01 Jun Thai AirAsia
28 May - 04 Jun Thai AirAsia
23 May - 05 Jun Thai AirAsia

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