Cheapflights Tip: The best prices from Phnom Penh Pochentong to London are usually found in November or March, booked 44 days in advance, depart on a Sunday or Friday and return on a Monday
Cheap flight deals from Phnom Penh to London
Discover tips and strategies to find the most affordable flight options for your journey from Phnom Penh (PNH) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 3 November 2025.
Popular in
July
Cheapest in
November
Average price
£581
Highest demand for flights based on searches. 15% potential increase in price (£95 potential increase over avg. return price).
Best time to book a flight from Phnom Penh to London
Have a flexible travel schedule? Discover the best time to fly to London from Phnom Penh with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Phnom Penh to London
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How far ahead should I book a flight from Phnom Penh to London?
Use this chart to determine the optimal time to book a return flight from Phnom Penh to London. Price data was last updated on 31 October 2025.
Booking 44 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phnom Penh to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Phnom Penh to London?
Currently, November is the cheapest month in which you can book a flight from Phnom Penh to London (average of £498). Flying from Phnom Penh to London in April is currently the most expensive (average of £747). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What’s the top stopover airport for flights from Phnom Penh to London?
Share of one-stop return flights from Phnom Penh to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Shanghai (PVG) – chosen by Cheapflights users on 33% of one-stop itineraries from Phnom Penh to London on Cheapflights.
What’s the fastest stopover option from Phnom Penh to London?
Shortest average travel time for one-stop one-way flights from Phnom Penh to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Bangkok (BKK) have the shortest average one-way travel time for one-stop routes: 15h 57m.
What’s the fastest stopover option from Phnom Penh to London?
Shortest average travel time for one-stop one-way flights from Phnom Penh to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Bangkok (BKK) have the shortest average one-way travel time for one-stop routes: 15h 57m.
Which airport typically offers the quickest stopover for flights from Phnom Penh to London?
Average stopover duration for one-stop one-way flights from Phnom Penh to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Abu Dhabi (AUH) offer the fastest connection on this route, with an average stopover time of 1h 08m.
Reviews of airlines servicing London
Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 3 November 2025.
See what other customers who have flown with China Southern and China Eastern from Phnom Penh to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding was nice the employees and the crew. They were very nice but the food maybe I don’t like it but it’s not international food. It’s more towards Chinese Tayst, which I do understand but that’s only complain. I have.
Boarding was nice the employees and the crew. They were very nice but the food maybe I don’t like it but it’s not international food. It’s more towards Chinese Tayst, which I do understand but that’s only complain. I have.
Boarding was nice the employees and the crew. They were very nice but the food maybe I don’t like it but it’s not international food. It’s more towards Chinese Tayst, which I do understand but that’s only complain. I have.
Related info for your journey
Find useful and relevant information for your journey from Phnom Penh to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly from for flights from Phnom Penh to London?
Phnom Penh Pochentong (PNH) is the airport you will fly out of if you book a flight from Phnom Penh to London. You should not have trouble finding flights to London from Pochentong; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Phnom Penh airport to London. It is only a 5.0 mi journey to Pochentong (PNH) from Phnom Penh’s city center.
What are the most popular routes from Phnom Penh to London?
When deciding which route to take from Phnom Penh to London consider Phnom Penh Pochentong - London City, Phnom Penh Pochentong - London Gatwick or Phnom Penh Pochentong - London Heathrow as they are the most popular.
Can I find deals for flights from Phnom Penh to London that include hotel bookings?
Yes. In addition to deals on Phnom Penh to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Phnom Penh to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phnom Penh to London.
Can I find deals for business class flights from Phnom Penh to London?
Yes. Cheapflights offers flight deals from Phnom Penh to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Phnom Penh to London?
Currently, November is the cheapest month in which you can book a flight from Phnom Penh to London (average of £498). Flying from Phnom Penh to London in April is currently the most expensive (average of £747). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 3 November 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Phnom Penh to London?
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Why should you use Cheapflights to find cheap flight tickets from Phnom Penh to London?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Phnom Penh.
Can Cheapflights find flights from Phnom Penh to London with no change fees?
Yes, we can. To see specific flights from Phnom Penh to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Phnom Penh to London become cheaper?
Yes, Cheapflights offers price alerts on Phnom Penh to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
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