Question 1

Which airport typically offers the quickest stopover for flights from London to Phnom Penh?

Accepted Answer

Flights via Doha (DOH) offer the fastest connection on this route, with an average stopover time of 1h 34m.

Question 2

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Thursday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Question 3

What’s the fastest stopover option from London to Phnom Penh?

Accepted Answer

Flights via Bangkok (BKK) have the shortest average one-way travel time for one-stop routes: 14h 53m.

Question 4

What’s the cheapest stopover airport for flights from London to Phnom Penh?

Accepted Answer

Shenzhen (SZX) is the most affordable one-stop option, with an average return flight price of £534.

Question 5

How often are flights from London to Phnom Penh delayed?

Accepted Answer

About 0% of weekly flights between London and Phnom Penh have experienced delays in the past year, with the average delay time being 0 minutes.

Question 6

What is the most punctual flight time for London to Phnom Penh flights?

Accepted Answer

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

Question 7

What’s the top stopover airport for flights from London to Phnom Penh?

Accepted Answer

Guangzhou (CAN) – chosen by Cheapflights users on 22% of one-stop itineraries from London to Phnom Penh on Cheapflights.

Question 8

What are the cheapest airlines flying from London to Phnom Penh round-trip?

Accepted Answer

Our cheapest airline available from London to Phnom Penh is China Southern. Our recent data shows that you can find tickets from as low as £361 on this airline. Additional options worth looking into are Air China and Shenzhen Airlines, starting at £386 and £416 round-trip. China Southern is 45% cheaper than the average price of flights available within the next 90 days to this destination.

Question 9

What are the cheapest airlines to fly from London to Phnom Penh one-way?

Accepted Answer

One-way options have recently been found by users for as low as £311 on Singapore Airlines. Other airlines that offer cheap prices include Malaysia Airlines from £363 and Etihad Airways from £368 one-way.

Question 10

How far ahead should I book a flight from London to Phnom Penh?

Accepted Answer

Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Phnom Penh. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 11

What is the cheapest month to book a flight from London to Phnom Penh?

Accepted Answer

Currently, September is the cheapest month in which you can book a flight from London to Phnom Penh (average of £361). Flying from London to Phnom Penh in July is currently the most expensive (average of £679). 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.

Question 12

E

Accepted Answer

In terms of precipitation, rainfall in Phnom Penh ranges from 0.0 - 250.0 inches per month. October is typically the wettest month, when rainfall can reach 250.0 mm. January is typically the driest time to visit Phnom Penh when rainfall is around 0.0 mm.

Question 13

E

Accepted Answer

If weather is an important factor for your trip to Phnom Penh, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 25.0 C).

Question 14

What are the most popular routes from London to Phnom Penh?

Accepted Answer

When deciding which route to take from London to Phnom Penh consider London Gatwick - Phnom Penh Pochentong, London City - Phnom Penh Pochentong or London Luton - Phnom Penh Pochentong as they are the most popular.

Question 15

What are the most popular airlines that fly from London to Phnom Penh?

Accepted Answer

China Southern, Etihad Airways and Thai Airways are the most popular airlines when flying from London to Phnom Penh.

Question 16

Where are the most common stopover locations when flying from London to Phnom Penh?

Accepted Answer

London to Phnom Penh flights have a stopover in Guangzhou most often. Singapore follows Guangzhou in terms of the most common stopover location on London to Phnom Penh flights.

Question 17

Where are the least popular stopover locations for London to Phnom Penh flights?

Accepted Answer

Of the flights from London to Phnom Penh that have stopovers, the fewest flights stop in Beijing.

Question 18

What are some popular things to do or see while on a stopover in Guangzhou?

Accepted Answer

Huaisheng Mosque, Baima Clothing Wholesale Market, and Yide Lu are the most popular attractions in Guangzhou if you're in need of something to do during your stopover. Huaisheng Mosque, Baima Clothing Wholesale Market, and Yide Lu can be accessed by travelling approximately 18.9 mi, 17.3 mi, and 19.5 mi, respectively from Guangzhou Baiyun.

Question 19

What are some popular points of interest to see during a stopover in Singapore?

Accepted Answer

If you're on a stopover in Singapore and looking for things to do, consider visiting Sentosa, Universal Studios Singapore, or Merlion. Sentosa, Universal Studios Singapore, and Merlion can be visited by travelling about 13.4 mi, 13.4 mi, and 10.5 mi respectively from Singapore Changi. Travellers can rent a car at Singapore Changi for an average daily rate of £59 to make sightseeing during their stopover a little easier.

Question 20

What is the cheapest time of day to fly from LON to PNH?

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Phnom Penh as you normally would.

Question 21

What airport do you fly into for flights to Phnom Penh from London?

Accepted Answer

Located just 5.0 mi from the city center, Phnom Penh Pochentong is the airport most travelers will use when flying to Phnom Penh from London. Booking flights from London to Pochentong (PNH) should be relatively easy as there are 0 daily inbound flights from London from 13 different airlines.

Question 22

Can I find deals for flights from London to Phnom Penh that include hotel bookings?

Accepted Answer

Yes. In addition to deals on London to Phnom Penh flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 23

How can I find direct flights from London to Phnom Penh?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Phnom Penh.

Question 24

Can I find deals for business class flights from London to Phnom Penh?

Accepted Answer

Yes. Cheapflights offers flight deals from London to Phnom Penh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 25

How does Cheapflights help users find flights from London to Phnom Penh?

Accepted Answer

Deals for London to Phnom Penh flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Question 26

Why should you use Cheapflights to find cheap flight tickets from London to Phnom Penh?

Accepted Answer

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 Phnom Penh from London.

Question 27

Can Cheapflights find flights from London to Phnom Penh with no change fees?

Accepted Answer

Certainly. Search results for flights to Phnom Penh from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 28

Can Cheapflights notify me if prices for flights from London to Phnom Penh become cheaper?

Accepted Answer

Yes! Start tracking prices for London to Phnom Penh flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Popular in	July
Cheapest in	November
Average price	£582

Airline	Cheapest	Average	Flexibility	On-time
China Southern	Cheapest£361	Average£475	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Air China	Cheapest£386	Average£491	FlexibilityNo cancel fee	On-time67%	Search Air China flights
Shenzhen Airlines	Cheapest£416	Average£482	FlexibilityNo cancel fee	On-time63%	Search Shenzhen Airlines flights
China Eastern	Cheapest£510	Average£616	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Etihad Airways	Cheapest£512	Average£601	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Singapore Airlines	Cheapest£560	Average£703	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Malaysia Airlines	Cheapest£590	Average£687	FlexibilityNo cancel fee	On-time67%	Search Malaysia Airlines flights
British Airways	Cheapest£642	Average£773	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Vietnam Airlines	Cheapest£654	Average£711	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
Qatar Airways	Cheapest£694	Average£768	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights

Cheap flights from London to Phnom Penh from £961

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Phnom Penh

One-way flights from London to Phnom PenhSearch for one-way flight options from London to Phnom Penh. Find affordable one-way fares based on user searches. Data last updated 25 February 2026.

Search for one-way flight options from London to Phnom Penh. Find affordable one-way fares based on user searches. Data last updated 25 February 2026.

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How far ahead should I book a flight from London to Phnom Penh?

Use this chart to determine the optimal time to book a return flight from London to Phnom Penh. Price data was last updated on 20 February 2026.

What is the cheapest month to book a flight from London to Phnom Penh?

What’s the top stopover airport for flights from London to Phnom Penh?

Share of one-stop return flights from London to Phnom Penh chosen by Cheapflights users in the past 12 months, using the same stopover each way.

What’s the cheapest stopover airport for flights from London to Phnom Penh?

Average return fare for one-stop flights from London to Phnom Penh, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

What’s the fastest stopover option from London to Phnom Penh?

Shortest average travel time for one-stop one-way flights from London to Phnom Penh, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Which airport typically offers the quickest stopover for flights from London to Phnom Penh?

Average stopover duration for one-stop one-way flights from London to Phnom Penh, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

How often are flights from London to Phnom Penh delayed?

What is the most punctual flight time for London to Phnom Penh flights?

What day of the week experiences the fewest flight delays on this route?

Reviews of airlines servicing Phnom Penh

Check out reviews from past customers who have flown with Thai Airways, Etihad Airways, andChina Southern from London to Phnom Penh to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from London to Phnom Penh. 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 into for flights to Phnom Penh from London?

What are the cheapest airlines flying from London to Phnom Penh round-trip?

What are the cheapest airlines to fly from London to Phnom Penh one-way?

What are the most popular routes from London to Phnom Penh?

Where are the most common stopover locations when flying from London to Phnom Penh?

What are some popular things to do or see while on a stopover in Guangzhou?

What are some popular points of interest to see during a stopover in Singapore?

Where are the least popular stopover locations for London to Phnom Penh flights?

Can I find deals for flights from London to Phnom Penh that include hotel bookings?

How can I find direct flights from London to Phnom Penh?

Can I find deals for business class flights from London to Phnom Penh?

What is the cheapest month to book a flight from London to Phnom Penh?

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Fly from London to Phnom Penh on these airlines

Choose from the following airlines for your flight from London to Phnom Penh. Flights are based on user searches made on Cheapflights and were last updated on 25 February 2026.

Alternative routes for London to Phnom Penh

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Complete your trip

Complete your trip to Phnom Penh by adding a car hire and/or hotel booking to your travel itinerary.

Search flights from London to Phnom Penh by cabin class

Find flights from London to Phnom Penh, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and Phnom Penh flights

Browse other London and Phnom Penh flight options. Last updated on 25 February 2026.

Other flights from London

Browse through other flights departing from London. Flights are based on user searches made on Cheapflights and were last updated on 25 February 2026.

Other flights to Phnom Penh

Explore flights to Phnom Penh departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 25 February 2026.

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Top 10 airlines flying from London to Phnom Penh

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One-way flights from London to Phnom Penh
Search for one-way flight options from London to Phnom Penh. Find affordable one-way fares based on user searches. Data last updated 25 February 2026.