Cheapest return flights from Siem-reap to Kathmandu in September from $456
AirHint found the following cheapest return flights from Siem-reap (REP) to Kathmandu (KTM) in September 2025 (see full year).
Return flights
| 18 Sep - 25 Sep | Thai AirAsia |
Also check the deals for one-way flights from Siem-reap to Kathmandu in September.
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.
