£319 Cheap Flights from Phnom Penh (PNH) to London (LHR)

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Cheap Flights from Phnom Penh (PNH) to London (LHR)

Prices were available within the past 7 days and start at £319 for one-way flights and £526 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Southern Airlines
Sat, 4 May - Sun, 19 May
PNH
Phnom Penh
LHR
London
£526 Return, found 6 days ago
£526
Return
found 6 days ago
Select China Southern Airlines flight, departing Sat, 4 May from Phnom Penh to London, returning Sun, 19 May, priced at £526 found 6 days ago
China Eastern Airlines
Sat, 4 May - Wed, 22 May
PNH
Phnom Penh
LHR
London
£575 Return, found 6 days ago
£575
Return
found 6 days ago
Select China Eastern Airlines flight, departing Sat, 4 May from Phnom Penh to London, returning Wed, 22 May, priced at £575 found 6 days ago
China Southern Airlines
Sun, 12 May - Mon, 10 Jun
PNH
Phnom Penh
LHR
London
£610 Return, found 2 hours ago
£610
Return
found 2 hours ago
Select China Southern Airlines flight, departing Sun, 12 May from Phnom Penh to London, returning Mon, 10 Jun, priced at £610 found 2 hours ago
Air China
Mon, 10 Jun - Fri, 14 Jun
PNH
Phnom Penh
LHR
London
£632 Return, found 2 hours ago
£632
Return
found 2 hours ago
Select Air China flight, departing Mon, 10 Jun from Phnom Penh to London, returning Fri, 14 Jun, priced at £632 found 2 hours ago
Shenzhen Airlines
Sun, 26 May - Sat, 8 Jun
PNH
Phnom Penh
LHR
London
£637 Return, found 6 days ago
£637
Return
found 6 days ago
Select Shenzhen Airlines flight, departing Sun, 26 May from Phnom Penh to London, returning Sat, 8 Jun, priced at £637 found 6 days ago
Finnair
Tue, 21 May - Thu, 30 May
PNH
Phnom Penh
LHR
London
£806 Return, found 1 day ago
£806
Return
found 1 day ago
Select Finnair flight, departing Tue, 21 May from Phnom Penh to London, returning Thu, 30 May, priced at £806 found 1 day ago
Qatar Airways
Tue, 24 Sep - Thu, 3 Oct
PNH
Phnom Penh
LHR
London
£820 Return, found 1 day ago
£820
Return
found 1 day ago
Select Qatar Airways flight, departing Tue, 24 Sep from Phnom Penh to London, returning Thu, 3 Oct, priced at £820 found 1 day ago
Emirates
Mon, 10 Jun - Fri, 14 Jun
PNH
Phnom Penh
LHR
London
£840 Return, found 2 hours ago
£840
Return
found 2 hours ago
Select Emirates flight, departing Mon, 10 Jun from Phnom Penh to London, returning Fri, 14 Jun, priced at £840 found 2 hours ago
Malaysia Airlines
Wed, 9 Oct - Wed, 23 Oct
PNH
Phnom Penh
LHR
London
£878 Return, found 21 hours ago
£878
Return
found 21 hours ago
Select Malaysia Airlines flight, departing Wed, 9 Oct from Phnom Penh to London, returning Wed, 23 Oct, priced at £878 found 21 hours ago
Thai Airways International
Tue, 25 Jun - Tue, 2 Jul
PNH
Phnom Penh
LHR
London
£927 Return, found 13 hours ago
£927
Return
found 13 hours ago
Select Thai Airways International flight, departing Tue, 25 Jun from Phnom Penh to London, returning Tue, 2 Jul, priced at £927 found 13 hours ago
Flight from Phnom Penh to London route information
Origin airport
Phnom Penh Intl.
Destination airport
Heathrow
Airlines serving
Air China, Air France, Asiana Airlines, Austrian Airlines, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, Emirates, Etihad Airways, Finnair, KLM, Korean Air, Malaysia Airlines, Qatar Airways, Shenzhen Airlines, Thai Airways International, Turkish Airlines, Vietnam Airlines
Return price
£526
Distance
9976 km

Compare flights from Phnom Penh to London easily and book in confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Phnom Penh to London. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Heathrow in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Phnom Penh Intl. to Heathrow.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Phnom Penh Intl. (PNH) to Heathrow (LHR) 

The easiest way to view the best deals on flights from Phnom Penh to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Phnom Penh Intl. to Heathrow start at just £526 and range up to £927.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Phnom Penh and London
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Phnom Penh to London flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Phnom Penh Intl. to Heathrow for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from PNH to Heathrow Airport?
The lowest price advertised for a round-trip flight between Phnom Penh Airport and Heathrow Airport is £526. But you better act quick. This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Phnom Penh Intl. Airport (PNH) to Heathrow Airport?
Most flights can be cancelled online, but whether you are charged a fee all comes down to your airline. If you do need to cancel your getaway, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Phnom Penh Intl. Airport (PNH) to Heathrow Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for PNH to Heathrow Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from PNH to LHR?
You’ll have 10,000 kilometres to cover on the long-haul Cambodia to Hounslow route. Wear comfy clothes and consider taking a pair of noise-cancelling earphones.
Which airlines fly direct from Phnom Penh Intl. Airport (PNH) to LHR?
You won’t find any airlines operating directly between Phnom Penh Airport and Heathrow Airport (LHR), so be ready to make at least one stop on your journey. A layover, whether short or long, can be a nice way to break up a trip!
Are PNH to Heathrow Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to score a great last-minute deal from Phnom Penh Airport to Heathrow Airport (LHR), but it’s also possible to miss out entirely! As many airlines publish prices up to a year in advance, it’s worthwhile keeping an eye on fares early and being ready to book when you spot a good bargain. Expedia compares air carrier prices and updates flight deals frequently, so you can rest assured you’re always getting the latest offers.
London Airports

London

Phnom Penh to Gatwick
£585.68
Phnom Penh to Stansted
£624.27
*Available to Expedia members.