Cheapest return flights from Bangkok to Seoul in April from 146€

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

Return flights

17 Apr - 27 Apr Thai AirAsia X direct
17 Apr - 19 Apr Thai AirAsia X direct
22 Apr - 24 Apr Thai AirAsia X direct
29 Apr - 03 May Thai AirAsia X direct
06 Apr - 17 Apr Thai AirAsia X direct
24 Apr - 28 Apr Thai AirAsia X direct
30 Apr - 05 May Thai VietJet Air direct
23 Apr - 26 Apr Thai AirAsia X direct
15 Apr - 18 Apr Thai VietJet Air direct
30 Apr - 10 May Thai VietJet Air direct
28 Apr - 03 May Thai AirAsia X direct
08 Apr - 21 Apr Thai VietJet Air direct
21 Apr - 24 Apr Hong Kong Airlines
18 Apr - 23 Apr Hong Kong Airlines
30 Apr - 28 May Thai VietJet Air
23 Apr - 05 May Vietnam Airlines
25 Apr - 04 May Vietnam Airlines
07 Apr - 07 May Vietnam Airlines
30 Apr - 06 May Vietnam Airlines
30 Apr - 09 May Thai VietJet Air

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

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