AirHint found the following cheapest one-way flights from Kolkata (CCU) to Kathmandu (KTM) in May 2026 (see full year).
One-Way flights
| 23 May | Air India | ||
| 21 May | Air India | ||
| 02 May | Air India | ||
| 04 May | Air India | ||
| 05 May | Air India | ||
| 01 May | Air India | ||
| 19 May | Air India | ||
| 14 May | Air India | ||
| 10 May | Air India | ||
| 16 May | Air India |
Also check the deals for return flights from Kolkata 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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