How much is a flight from London Heathrow to Phnom Penh?

There’s no fixed price — fares between London and Phnom Penh can vary a lot by day or time.

£381 is the lowest fare found in the past 15 days.

Flying during the week can be more affordable, as weekend flights tend to be pricier. Also consider demand and availability: the last remaining seats often come at higher fares!

Flying from or to London and Phnom Penh? Here are your airport options

Knowing your full list of nearby airports can make flight planning easier, especially when routes vary.

• Airports in London: You have 6 departure options - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
• Airports in Phnom Penh: Phnom Penh - Techo International is the only arrival option right now.

For families or those traveling with assistance, smaller airports can be easier to navigate. Cities served by multiple airports often allow for more flexible travel planning.

Customize your flight from London Heathrow to Phnom Penh

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from Ryanair, Easyjet, British Airways, Expedia, eDreams, and more.

Other popular destinations

Thinking about Cambodia? You might also consider: Phnom Penh, Siem Reap, Sihanoukville.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.