Cheapest return BKK–KTM flights, May

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

Return flights

13 May - 31 May Thai Lion Air
08 May - 27 May Thai Lion Air direct
24 May - 01 Jun Thai Lion Air direct
22 May - 31 May Air India
20 May - 07 Jun Thai Lion Air direct
26 May - 10 Jun Air India
13 May - 31 May Thai Lion Air direct
13 May - 20 May Nepal Airlines direct
06 May - 15 May Nepal Airlines direct
06 May - 13 May Nepal Airlines direct
16 May - 30 May Air India
15 May - 29 May Air India
08 May - 15 May Nepal Airlines direct
30 May - 06 Jun Air India
29 May - 02 Jun Air India
30 May - 03 Jun SriLankan Airlines
27 May - 03 Jun SriLankan Airlines
30 May - 01 Jun SriLankan Airlines
26 May - 02 Jun IndiGo
28 May - 30 Jun IndiGo

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.