On this page, you can find and book flights from London to Phnom Penh. The distance between the cities is 10,028 km, and flights generally include layovers at major international hubs.
To choose the best dates, use our price dynamics chart and calendar. We also recommend checking how to get to the airport in London and how to get from Phnom Penh airport to your accommodation in advance.
Below is a calendar of the lowest flight ticket prices for London — Phnom Penh by day. Pick a convenient date and instantly see the fare. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
London → Phnom Penh, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | $715 | high | May | $588 | medium | Sep | $524 | low |
| Feb | $703 | high | Jun | $524 | low | Oct | $562 | medium |
| Mar | $664 | high | Jul | $511 | low | Nov | $639 | high |
| Apr | $613 | medium | Aug | $511 | low | Dec | $728 | high |
Some values are estimated based on seasonality.
The climate in Phnom Penh is characterized by distinct seasons. The hottest month of the year is April, with average highs reaching 35.2°C, while the peak of the rainy season occurs in September with rainfall up to 253.2 mm.
Airfare for this route depends on seasonal demand and how far in advance you book. Since there is currently no data on minimum fares for this specific selection, we recommend using the low price calendar to find the best deals for your dates.
The best time to visit is from January to February, when the weather is at its driest and most comfortable. It is better to avoid the period from September to October due to the high risk of heavy rainfall and high humidity.
Major international carriers provide service on the route from London to Phnom Penh, with Qatar Airways, Emirates, and Thai Airways appearing frequently. There are no direct flights between these cities, so all flights operate with one or two connections. You can view the detailed schedule, flight frequencies, and connection options in the list below.
We couldn't find any airlines on this route, but that doesn't mean there aren't any. Try searching — we'll show you the latest options.
Find ticketsFlights London — Phnom Penh depart from Heathrow Airport, London Gatwick Airport, Stansted Airport and London Luton Airport and arrive at Phnom Penh International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
With a distance of 10,028 km, the net flying time is about 12 hours. However, due to the lack of direct flights, the total travel time including layovers usually ranges from 15 to 20 hours.
Flights are operated by airlines such as Qatar Airways, Emirates, Thai Airways, and Turkish Airlines. A full list of carriers is available on this page.
Currently, there are no direct scheduled flights between the cities; all flight options involve at least one layover at a transit airport.
The most favorable fares are usually available when searching 2–3 months before your trip. Keep an eye on current prices using the price dynamics chart on our website.
All international flights arrive at Phnom Penh International Airport (PNH), located 7 km from the capital's center.
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