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Cheap flights from London Heathrow to Phnom Penh

from as little as £731

28 nights in Phnom Penh, departing London Heathrow on 26 / Sep / 2022 with Singapore Airlines (price found 33 hours ago)

Subject to availability, prices correct of the last 24 hours
Phnom Penh

Cheap return flights from London Heathrow to Phnom Penh

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The London Heathrow / Phnom Penh route

All 10044 km of it

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Phnom Penh flight facts

What you need to know

Alternative flights from the UK to Phnom Penh

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Phnom Penh

Today alone, Netflights has searched over 5,948 flights. 26 / Sep / 2022 is currently the lowest priced day of the year to fly the London Heathrow/Phnom Penh route. There are around 570 flights on any given week from the UK to Phnom Penh and the cheapest month to fly right now is September.

Min / Max Temperature (°C)
LOWEST

21 °C

AVG

27 °C

HIGHEST

35 °C

Rainfall (mm)
LOWEST

0 mm

AVG

110.8 mm

HIGHEST

250 mm

Key facts about Phnom Penh

How to get cheap flights from London Heathrow to Phnom Penh

Tips and advice from our flight experts

Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from London Heathrow to Phnom Penh, across the 16 airlines that offer this route. We've found that 26 / Sep / 2022 is the cheapest date to travel at the moment, but it's best to go through the results to see which flight suits you.

The most popular airlines offering flights to Phnom Penh are Austrian Airlines, Singapore Airlines & Thai Airways International. Austrian Airlines is the most popular one, but that doesn’t mean their flights will be the cheapest. If you can't find a flight time that suits you, why not look at flying out from a different airport?

The distance between London Heathrow to Phnom Penh is 10044 km. Normally, it takes about 18 hrs 5 mins to fly, and you can definitely expect the journey to be at least 13 hrs 55 mins. You can see the various flight times in the results.

If you want to travel in November, it's best to book your flights early, as this is peak season in Phnom Penh. The cheapest month to fly is normally June – try searching three to four months prior to then to get a bargain. You can also search by month, which will reveal the cheapest time of the week to fly.

Other popular destinations near Phnom Penh

Where other people are flying to

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