Cheap flights from Hanoi to Siem Reap
One-way fares from $74, found recently by travellers. Plus what 5 days in Siem Reap costs once you land.
Cheapest dates we found
- 26 Oct2026HAN → SAIVietJet Air · Non-stop · 1h 45m$74one way
- 29 Oct2026HAN → SAIVietJet Air · Non-stop · 1h 45m$74one way
- 28 Oct2026HAN → SAIVietJet Air · Non-stop · 1h 45m$75one way
- 12 Nov2026HAN → SAIVietJet Air · Non-stop · 1h 45m$75one way
- 19 Oct2026HAN → SAIVietJet Air · Non-stop · 1h 45m$77one way
- 11 Dec2026HAN → SAIVietJet Air · Non-stop · 1h 45m$79one way
- 19 Dec2026HAN → SAIVietJet Air · Non-stop · 1h 45m$79one way
- 12 Dec2026HAN → SAIVietJet Air · Non-stop · 1h 45m$80one 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.
Lowest fare by month
Lowest one-way fare seen for each month. Months with no price had no recent searches.
Airlines on this route
Recent cheap fares were with VietJet Air. Low-cost airlines often charge extra for checked bags and seats, so compare the full price.
When to go to Siem Reap
November to March (dry and cooler). April and May are extremely hot; June to October is the green season.
Money-saving tips for Siem Reap
- US dollars are used everywhere; small change comes back in Cambodian riel.
- Hire a tuk-tuk for the day for the Angkor temples and agree the route and price first.
- Buy the Angkor pass only at the official ticket office or online.
Questions
How much is a flight from Hanoi to Siem Reap?
The cheapest one-way fare we found recently was $74 with VietJet Air on 26 Oct 2026. Most of the fares we saw were between $74 and $80 one way. Prices change daily, so open the fare to see today's price.
How long is the flight from Hanoi to Siem Reap?
The quickest flight in our recent results took 1h 45m non-stop.
Are there direct flights from Hanoi to Siem Reap?
Yes. VietJet Air had non-stop fares in our recent results, from $74.
What is the cheapest month to fly from Hanoi to Siem Reap?
In our recent results, October had the lowest fare ($74 one way). This is based on prices other travellers found, not a forecast.
How much money do I need for 5 days in Siem Reap?
About $200 for one backpacker, or $845 for two people travelling mid-range (hotel, food, transport and sights, flights not included). Add about $148 per person for a return flight from Hanoi.
More flights from Hanoi
- Return: Siem Reap → Hanoi
- Hanoi → Bangkok
- Hanoi → Chiang Mai
- Hanoi → Phuket
- Hanoi → Bali
- Hanoi → Kuala Lumpur
- Hanoi → Penang
- Hanoi → Singapore
- Hanoi → Ho Chi Minh City
- All flights from Hanoi
Fly to Siem Reap from
- Bangkok
- Chiang Mai
- Phuket
- Bali
- Kuala Lumpur
- Penang
- Singapore
- Ho Chi Minh City
- Da Nang
- Jakarta
- Manila
- Surabaya
- Cebu
- Johor Bahru
- Kota Kinabalu
- Kuching
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.