LON ✈ SAI
Cheap flights from London to Siem Reap
Compare fares and plan the whole trip. Plus what 5 days in Siem Reap costs once you land.
Cheapest dates we found
We don't have recent prices for London → Siem Reap right now. Search today's fares.
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 London to Siem Reap?
We don't have recent prices for this route. Use the flight search on FareZuno to see today's fares.
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).
More flights from London
- Return: Siem Reap → London
- London → Bangkok
- London → Chiang Mai
- London → Phuket
- London → Bali
- London → Kuala Lumpur
- London → Penang
- London → Singapore
- London → Hanoi
- All flights from London
Fly to Siem Reap from
- Bangkok
- Chiang Mai
- Phuket
- Bali
- Kuala Lumpur
- Penang
- Singapore
- Hanoi
- Ho Chi Minh City
- Da Nang
- Istanbul
- Lisbon
- Barcelona
- Rome
- Paris
- Amsterdam
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.