Cheapest return flights from Bangkok to Kathmandu in April from $180

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

Return flights

20 Apr - 29 Apr Thai Lion Air direct
24 Apr - 29 Apr Thai Lion Air direct
22 Apr - 29 Apr Thai Lion Air direct
15 Apr - 29 Apr Thai Lion Air direct
01 Apr - 24 Apr Thai AirAsia direct
08 Apr - 29 Apr Thai Lion Air direct
05 Apr - 22 Apr Thai AirAsia direct
05 Apr - 29 Apr Thai AirAsia direct
03 Apr - 24 Apr Thai Lion Air direct
24 Apr - 03 May Thai Lion Air direct
19 Apr - 04 May Thai Lion Air direct
22 Apr - 01 May Thai Lion Air direct
22 Apr - 03 May Thai Lion Air direct
06 Apr - 13 Apr Thai Lion Air direct
29 Apr - 04 May Thai Lion Air direct
27 Apr - 01 May Thai AirAsia direct
26 Apr - 20 May Thai AirAsia direct
24 Apr - 15 May Thai AirAsia direct
25 Apr - 01 May IndiGo
23 Apr - 03 May IndiGo

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

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