Cheapest return flights from Bangkok to Kathmandu in May from $275

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 May 2025 (see full year).

Return flights

25 May - 13 Jun Thai AirAsia direct
28 May - 13 Jun Thai AirAsia direct
26 May - 13 Jun Thai AirAsia direct
18 May - 23 May Thai AirAsia direct
30 May - 13 Jun Thai AirAsia direct
24 May - 31 May Thai Lion Air direct
21 May - 04 Jun Thai AirAsia direct
19 May - 26 May Thai AirAsia direct
18 May - 25 May Thai AirAsia direct
26 May - 30 May Thai AirAsia direct
28 May - 15 Jun Thai AirAsia direct
26 May - 15 Jun Thai AirAsia direct
25 May - 31 May Thai AirAsia direct
30 May - 15 Jun Thai AirAsia direct
25 May - 06 Jun Thai AirAsia direct
26 May - 31 May Thai AirAsia direct
26 May - 06 Jun Thai AirAsia direct
25 May - 28 May Thai AirAsia direct
26 May - 28 May Thai AirAsia direct
19 May - 28 May Thai AirAsia direct

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

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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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