SAI ✈ LON
Cheap flights from Siem Reap to London
Compare fares and plan the whole trip. Plus what 5 days in London costs once you land.
Cheapest dates we found
We don't have recent prices for Siem Reap → London right now. Search today's fares.
When to go to London
May to September has the best weather. Winter is quieter and hotel prices drop after the new year.
Money-saving tips for London
- Tap the same contactless card or phone for every journey; daily and weekly caps apply automatically.
- Meal deals from supermarkets and street food markets keep lunch cheap.
- Buses are cheaper than the Tube, with a flat fare and free transfers within an hour.
Questions
How much is a flight from Siem Reap to London?
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 London?
About $485 for one backpacker, or $2,300 for two people travelling mid-range (hotel, food, transport and sights, flights not included).
More flights from Siem Reap
- Return: London → Siem Reap
- Siem Reap → Istanbul
- Siem Reap → Lisbon
- Siem Reap → Barcelona
- Siem Reap → Rome
- Siem Reap → Paris
- Siem Reap → Amsterdam
- Siem Reap → Prague
- Siem Reap → Budapest
- All flights from Siem Reap
Fly to London 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.