Cheap flights from Siem Reap to Kathmandu
One-way fares from $416, found recently by travellers. Plus what 5 days in Kathmandu costs once you land.
Cheapest dates we found
- 30 Oct2026SAI → KTMVietJet Air · 2 stops · 8h 10m$416one way
- 27 Oct2026SAI → KTMVietJet Air · 2 stops · 8h 25m$420one way
- 28 Oct2026SAI → KTMVietJet Air · 2 stops · 8h 25m$421one way
- 26 Oct2026SAI → KTMThai Airways · 1 stop · 4h 30m$437one way
- 16 Oct2026SAI → KTMThai AirAsia · 2 stops · 7h 5m$549one way
One-way economy prices travellers found on Aviasales in the last few days. They change often, so open a fare to see today's price.
Airlines on this route
Recent cheap fares were with VietJet Air, Thai Airways, Thai AirAsia. Low-cost airlines often charge extra for checked bags and seats, so compare the full price.
When to go to Kathmandu
October to November and March to April (clear mountain views). The monsoon runs from June to September.
Money-saving tips for Kathmandu
- Thamel has the cheapest guesthouses and trekking gear shops; bargain politely.
- Dal bhat often comes with free refills, so it is great value.
- Book trekking permits and transport through registered agencies.
Questions
How much is a flight from Siem Reap to Kathmandu?
The cheapest one-way fare we found recently was $416 with VietJet Air on 30 Oct 2026. Most of the fares we saw were between $416 and $549 one way. Prices change daily, so open the fare to see today's price.
How long is the flight from Siem Reap to Kathmandu?
The quickest flight in our recent results took 4h 30m with 1 stop.
Are there direct flights from Siem Reap to Kathmandu?
The cheapest fares we found all had at least one stop. Non-stop flights may exist at higher prices, so check the flight search.
How much money do I need for 5 days in Kathmandu?
About $120 for one backpacker, or $585 for two people travelling mid-range (hotel, food, transport and sights, flights not included). Add about $832 per person for a return flight from Siem Reap.
More flights from Siem Reap
- Return: Kathmandu → Siem Reap
- Siem Reap → Delhi
- Siem Reap → Mumbai
- Siem Reap → Goa
- Siem Reap → Jaipur
- Siem Reap → Colombo
- All flights from Siem Reap
Fly to Kathmandu from
- Bangkok
- Chiang Mai
- Phuket
- Bali
- Kuala Lumpur
- Penang
- Singapore
- Hanoi
- Ho Chi Minh City
- Da Nang
- Delhi
- Mumbai
- Goa
- Jaipur
- Colombo
- Jakarta
Fares are recent prices found by travellers, cached for a few hours. Trip costs are planning estimates checked 2026-10-11. Always confirm the final price when you book. Some links are affiliate links; they never change your price.