Cheap Flights from London to Siem Reap Province from 644 € Return

Flight deals from London to Siem Reap Province

Looking for cheap tickets from London to Siem Reap Province, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Siem Reap.644 € per passenger.Departing Sun, 4 May, returning Thu, 15 May.Return flight with Saudia and AirAsia.Outbound indirect flight with Saudia, departs from London Heathrow on Sun, 4 May, arriving in Siem Reap–Angkor .Inbound indirect flight with AirAsia, departs from Siem Reap–Angkor on Thu, 15 May, arriving in London Heathrow.Price includes taxes and charges.From 644 €, select.

Flying from London to Siem Reap Province

Arm yourself with these facts on the fly.

Cheapest flight found	644 €, Siem Reap
Cheapest month to fly	May
Cheapest airport to fly from	London Heathrow

How to find cheap flights from London to Siem Reap Province

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from London to Siem Reap Province. Other savvy travellers recently found return flights from 644 € and one-way tickets from 314 € one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from London Stansted into Siem Reap

At the moment, the lowest priced flight tickets to Siem Reap Province are from London Stansted Airport to Siem Reap–Angkor Airport.

Fly in April

We crunched the flight calendar and found the cheapest time to fly from London to Siem Reap Province is currently April.

Fly on a Wednesday

From our data, we can see that Wednesday seems to be the cheapest time to fly from London to Siem Reap Province.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from London to anywhere you choose in Siem Reap Province.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from London to Siem Reap Province go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the London to Siem Reap Province flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average London to Siem Reap Province flight price?

We looked at all of the upcoming return flights from London to Siem Reap Province we could find over the next 12 months. It looks like 644 € is the best price. This is good, compared to the average Siem Reap Province ticket price of 854 €.

What is the cheapest month to fly from London to Siem Reap Province?

The cheapest month to fly from London to Siem Reap Province is currently May.

Which upcoming date is cheapest to fly from London to Siem Reap Province on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Siem Reap Province on Sunday, 4 May 2025.

Are there any direct flights from London to Siem Reap Province?

Currently, there aren't any direct flights from London to Siem Reap Province, but you can still fly with a stopover.

If I'm flying from London, where in Siem Reap Province is cheapest to fly into?

If you're flying from London, the cheapest city in Siem Reap Province to fly into is Siem Reap. The cheapest airport serving Siem Reap at the moment is Siem Reap–Angkor .