Cheapest return flights from Kolkata to Kathmandu in August from $258

AirHint found the following cheapest return flights from Kolkata (CCU) to Kathmandu (KTM) in August 2025 (see full year).

Return flights

15 Aug - 22 Aug Air India
15 Aug - 19 Aug Air India
18 Aug - 24 Aug Air India
04 Aug - 07 Aug Air India
19 Aug - 24 Aug Air India
20 Aug - 22 Aug Air India
14 Aug - 17 Aug Air India
09 Aug - 14 Aug Air India
14 Aug - 18 Aug Air India
07 Aug - 14 Aug IndiGo

Also check the deals for one-way flights from Kolkata to Kathmandu in August.

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

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