Cheapest return flights from Bangkok to Kathmandu in April from $189

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

Return flights

06 Apr - 22 Apr Thai Lion Air direct
08 Apr - 12 Apr Thai Lion Air direct
01 Apr - 18 Apr Thai Lion Air direct
29 Apr - 09 May Thai Lion Air direct
07 Apr - 18 Apr Thai Lion Air direct
19 Apr - 04 May Thai Lion Air direct
07 Apr - 20 Apr Thai Lion Air direct
06 Apr - 15 Apr Thai Lion Air direct
27 Apr - 04 May Thai AirAsia direct
06 Apr - 13 Apr Thai Lion Air direct
07 Apr - 16 Apr Thai Lion Air
10 Apr - 22 Apr Thai AirAsia direct
05 Apr - 14 Apr Thai Lion Air direct
11 Apr - 18 May Thai Lion Air direct
28 Apr - 04 May Thai AirAsia X
11 Apr - 17 May Thai Lion Air direct

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

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