S$446 Cheap Flights from Phnom Penh to London

The lowest price advertised for a round-trip flight between Phnom Penh Airport and Heathrow Airport is S$916. 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.

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.

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.

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.

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!

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.