AirHint found the following cheapest one-way flights from Chiang Mai (CNX) to Kathmandu (KTM) in December 2025 (see full year).
One-Way flights
| 28 Dec | Thai AirAsia | ||
| 13 Dec | Thai Lion Air | ||
| 14 Dec | Nok Air | ||
| 15 Dec | Nok Air | ||
| 16 Dec | Thai AirAsia | ||
| 25 Dec | Thai VietJet Air | ||
| 26 Dec | Thai Lion Air |
Also check the deals for return flights from Chiang Mai to Kathmandu in December.
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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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