Due to latest government announcements we are currently experiencing high call volumes. Wait times are currently in excess of 60 mins, please click below for further information.
COVID-19: Please click here for latest updates including traffic light system, airline policies & more

Cheap flights from London Heathrow to Phnom Penh

from as little as £576

7 nights in Phnom Penh, departing London Heathrow on 21 / Apr / 2022 with British Airways (price found 12 hours ago)

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

Cheap return flights from London Heathrow to Phnom Penh

Find the best deals

The London Heathrow / Phnom Penh route

All 10044 km of it

Cheap flight deals for this route

See what's hot at the moment

Phnom Penh flight facts

What you need to know

Alternative flights from the UK to Phnom Penh

Check out prices for other routes
from £576 pp
Find flights
from £677 pp
Find flights
from £658 pp
Find flights
from £873 pp
Find flights
search for price
Find flights
search for price
Find flights
search for price
Find flights

Alternative flights from London Heathrow

You might find cheaper flights nearby
from £550 pp
Find flights
from £405 pp
Find flights
from £617 pp
Find flights
from £537 pp
Find flights
from £455 pp
Find flights
from £431 pp
Find flights
Phnom Penh

Today alone, Netflights has searched over 375 flights. 21 / Apr / 2022 is currently the lowest priced day of the year to fly the London Heathrow/Phnom Penh route. There are around 14 flights on any given week from the UK to Phnom Penh and the cheapest month to fly right now is April.

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 six airlines that offer this route. We've found that 21 / Apr / 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 Cathay Pacific, British Airways & Singapore Airlines. Cathay Pacific 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 to fly, and you can definitely expect the journey to be at least 15 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

Context Id: 23da8782-cc80-4e99-93eb-336a7c106f5b