Cheapest return flights from Bangkok to Kathmandu in April from $234

Best time to book flights for Bangkok (BKK) to Kathmandu (KTM) flights at AirHint

AirHint found the following cheapest return flights from Bangkok (BKK) to Kathmandu (KTM) in April 2025 (see full year).

Return flights

18 Apr - 27 Apr Thai AirAsia direct
21 Apr - 29 Apr Thai AirAsia direct
25 Apr - 29 Apr Thai AirAsia direct
21 Apr - 11 May Thai AirAsia direct
28 Apr - 16 May Thai AirAsia direct
21 Apr - 09 May Thai AirAsia direct
28 Apr - 11 May Thai AirAsia direct
28 Apr - 18 May Thai AirAsia direct
21 Apr - 25 Apr Thai AirAsia direct
18 Apr - 25 Apr Thai AirAsia direct
15 Apr - 26 Apr Thai Lion Air direct
28 Apr - 09 May Thai AirAsia direct
17 Apr - 27 Apr Thai Lion Air direct
25 Apr - 11 May Thai AirAsia direct
25 Apr - 09 May Thai AirAsia direct
30 Apr - 16 May Thai AirAsia direct
16 Apr - 27 Apr Thai AirAsia direct
21 Apr - 07 May Thai AirAsia direct
18 Apr - 24 Apr Thai AirAsia direct
24 Apr - 27 Apr Thai Lion Air direct

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

Skyscanner

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.

Book a cheap hotel in Kathmandu

Cheap car rent in Kathmandu