Cheap Flights from London to Phnom Penh from 577 € Return

Flight deals from London to Phnom Penh

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

Phnom Penh.577 € per passenger.Departing Thu, 12 Jun, returning Wed, 18 Jun.Return flight with Air China.Outbound indirect flight with Air China, departs from London Gatwick on Thu, 12 Jun, arriving in Phnom Penh.Inbound indirect flight with Air China, departs from Phnom Penh on Wed, 18 Jun, arriving in London Gatwick.Price includes taxes and charges.From 577 €, select.

Flying from London to Phnom Penh

Arm yourself with these facts on the fly.

Cheapest flight found	577 €, Phnom Penh
Cheapest month to fly	June
Cheapest airport to fly from	London Gatwick

How to find cheap flights from London to Phnom Penh

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from London to Phnom Penh. Other savvy travellers recently found return flights from 577 € and one-way tickets from 313 € one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from London Luton into Phnom Penh

At the moment, the lowest priced flight tickets to Phnom Penh are from London Luton Airport to Phnom Penh Airport.

Fly in March

We crunched the flight calendar and found the cheapest time to fly from London to Phnom Penh is currently March.

Fly on a Wednesday

From our data, we can see that Wednesday seems to be the cheapest time to fly from London to Phnom Penh.

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 Phnom Penh.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from London to Phnom Penh 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 Phnom Penh 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 Phnom Penh flight price?

We looked at all of the upcoming return flights from London to Phnom Penh we could find over the next 12 months. It looks like 577 € is the best price. This is good, compared to the average Phnom Penh ticket price of 766 €.

What is the cheapest month to fly from London to Phnom Penh?

The cheapest month to fly from London to Phnom Penh is currently June.

Which upcoming date is cheapest to fly from London to Phnom Penh on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Phnom Penh on Thursday, 12 June 2025.

Are there any direct flights from London to Phnom Penh?

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

If I'm flying from London, where in Phnom Penh is cheapest to fly into?

If you're flying from London, the cheapest city in Phnom Penh to fly into is Phnom Penh. The cheapest airport serving Phnom Penh at the moment is Phnom Penh.

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Flights from London to Phnom Penh