Question 1

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

Accepted Answer

Shanghai (PVG) is the most affordable 1-stop option, with an average round-trip price of $765.

Question 2

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

Accepted Answer

Flights via Bangkok (BKK) have the shortest average one-way travel time for 1-stop routes: 15h 30m.

Question 3

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

Accepted Answer

Bangkok (BKK) – chosen by Cheapflights users on 40% of 1-stop itineraries from Phnom Penh to London on Cheapflights.

Question 4

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

Accepted Answer

Flights via Bangkok (BKK) offer the fastest connection on this route, with an average layover time of 1h 43m.

Question 5

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

Accepted Answer

According to our current data, China Southern ($701), China Eastern ($733), and Thai Airways ($1,120) offers the cheapest pricing from Phnom Penh to London.

Question 6

E

Accepted Answer

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Question 7

E

Accepted Answer

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Question 8

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

Accepted Answer

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

Question 9

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

Accepted Answer

The most popular airlines flying from Phnom Penh to London are Thai Airways, China Eastern and China Southern. Something to consider prior to booking your flight.

Question 10

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

Accepted Answer

When flying from Phnom Penh to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Question 11

E

Accepted Answer

Most accurate provider: When it comes to deals on Phnom Penh-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phnom Penh-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phnom Penh-London flight searches over the past month and is updated monthly.

Question 12

E

Accepted Answer

Most trusted provider: When it comes to deals on Phnom Penh-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phnom Penh-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Question 13

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

Accepted Answer

Phnom Penh Pochentong (PNH), located 5.0 mi from the city center, is the airport you fly out of when you book flights from Phnom Penh to London. 3 airlines have flights from Pochentong to London on a regular basis. Booking flights from Phnom Penh Pochentong to London should not be difficult; the airport handles an average of 0 outbound flights to London per day.

Question 14

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

Accepted Answer

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

Question 15

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

Accepted Answer

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.

Question 16

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

Accepted Answer

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.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Trip.com	Price Accuracy1 star	Trust Score*3 stars

Airline	Cheapest	Average	Flexibility	On-time
China Southern	Cheapest$701	Average$888	FlexibilityNo cancel fee	On-time69%
China Eastern	Cheapest$733	Average$887	FlexibilityNo cancel fee	On-time62%
Thai Airways	Cheapest$1,120	Average$1,354	FlexibilityNo cancel fee	On-time77%

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars

Cheap flights from Phnom Penh (PNH) to London (LON)

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Best time to book a flight from Phnom Penh to London

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Everything you need to know about your flight from Phnom Penh to London

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

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

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

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

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 May 18, 2026.

Get a feel of what it's like to fly with Singapore Airlines,China Southern, andChina Eastern from Phnom Penh to London by reading reviews from past customers. Users have also rated airlines 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 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?

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

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

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

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

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

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Other flights to London

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