S$465 Cheap Flights from London to Phnom Penh

The lowest price advertised for a round-trip flight from Heathrow Airport to Phnom Penh Airport is S$793. But you better act quick. This price is taken from 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.

Each airline has a different set of terms and conditions. If you decide to cancel your holiday, visit our 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 Heathrow Airport to Phnom Penh Airport flights, you’ll see a “no change fees” filter for you to select.

With around 10,000 kilometres separating Hounslow and Cambodia, your flight will be a long one. Pack wisely and make your trip comfortable. Simple things like an extra pair of socks and a quality travel pillow can make a huge difference.

At the moment, no airlines offer direct flights from London Heathrow to Phnom Penh Intl. Airport (PNH). You’ll have to book a flight with at least one stop. To score the best connections and price, lock in your fare well in advance.

Flight prices are constantly going up and down, so it’s no sure thing. While last-minute flight deals between Heathrow Airport and PNH are possible, it also makes sense to monitor prices well before you fly. In fact, some carriers announce their prices up to 12 months before the departure date. Expedia is continuously updating the biggest bargains around, so keep checking back and be ready to book when the price is low.