Cheapest return flights from Bangkok to Seoul in April from $210

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

Return flights

24 Apr - 28 Apr Thai VietJet Air direct
22 Apr - 26 Apr Thai VietJet Air direct
17 Apr - 20 Apr Thai VietJet Air direct
17 Apr - 24 Apr Thai VietJet Air direct
20 Apr - 26 Apr Thai AirAsia X direct
20 Apr - 24 Apr Thai AirAsia X direct
01 Apr - 04 Apr Thai AirAsia X direct
17 Apr - 23 Apr Thai AirAsia X direct
17 Apr - 21 Apr Thai AirAsia X direct
18 Apr - 24 Apr Thai AirAsia X direct
28 Apr - 05 May Shandong Airlines
30 Apr - 07 May Thai VietJet Air
30 Apr - 10 May Thai VietJet Air
29 Apr - 05 May Thai AirAsia X
30 Apr - 06 May Thai VietJet Air direct
28 Apr - 12 May Thai AirAsia X direct
30 Apr - 05 May Vietnam Airlines
24 Apr - 08 May Thai VietJet Air
30 Apr - 07 May Thai VietJet Air direct
23 Apr - 19 May Hong Kong Airlines

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