Cheap flights from London to Phnom Penh

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The best prices from London to Phnom Penh Pochentong are usually found in September or August, booked 49 days in advance, depart on a Tuesday or Thursday and return on a Thursday

How to find the cheapest flight from
London (LON) to Phnom Penh (PNH)

All the information you need to plan the best LON to PNH flight in 2022: compare London to Phnom Penh flight prices with the expected peak season, weather and rainfall in Phnom Penh.
LON - PNH
Price
£719 - £993
PNH
Temperature
25 - 29 °C
PNH
Rainfall
0 - 250 mm

Popular in

December

High demand for flights, 13% potential price rise

Cheapest in

September

Best time to find cheap flights, 17% potential price drop

Round-trip from

£598

From London (LON) to Phnom Penh Pochentong

One-way from

£372

One-way flight from London (LON) to Phnom Penh Pochentong

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from London to Phnom Penh?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Phnom Penh. Flights to Phnom Penh from London in September are about £722 on average during September, but can be found for as low as £540.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 50 days in advance, which can save you up to 24% on flights from London to Phnom Penh compared to booking the week you need them. Waiting 50 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £810. For sooner than that we have options available in the next 3 days from £924.

What is the cheapest day to fly round-trip from London to Phnom Penh?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 12% on the overall cost on flights from London to Phnom Penh.

When is the cheapest time to fly from London to Phnom Penh (LON - PNH)?

When flying from London to Phnom Penh, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 6% versus a flight in the evening.

Cheap flights from London to Phnom Penh in July, August 2022

The best prices found for LON to PNH flights in July, August
31 Aug - 30 Oct
£819pp
LHR
London Heathrow
Thai Airways
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Thai Airways
 
1 STOP
LHR
London Heathrow
30 Aug - 10 Nov
£822pp
LHR
London Heathrow
Vietnam Airlines
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Vietnam Airlines
     
3 STOPS
LHR
London Heathrow
30 Aug - 15 Nov
£826pp
LHR
London Heathrow
Vietnam Airlines
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Vietnam Airlines
   
2 STOPS
LHR
London Heathrow

London to Phnom Penh 2022 flight deals

Cheap flights to Phnom Penh from London found for this year
8 Nov - 24 Nov
£631pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow
3 Nov - 24 Nov
£632pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow
14 Nov - 20 Nov
£635pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow

Cheap Singapore Airlines flights from London to Phnom Penh

8 Nov - 24 Nov
£631pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow
3 Nov - 24 Nov
£632pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow
14 Nov - 20 Nov
£635pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow

Cheap Malaysia Airlines flights from London to Phnom Penh

27 Oct - 13 Nov
£727pp
LHR
London Heathrow
Malaysia Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Malaysia Airlines
 
1 STOP
LHR
London Heathrow
9 Oct - 23 Oct
£729pp
LHR
London Heathrow
Malaysia Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Malaysia Airlines
 
1 STOP
LHR
London Heathrow
11 Nov - 20 Nov
£730pp
LHR
London Heathrow
Malaysia Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Malaysia Airlines
 
1 STOP
LHR
London Heathrow

Last-minute flights from London to Phnom Penh

Late deals on return flights to Phnom Penh from London, departing today and this week
12 Jul - 20 Jul
£859pp
LHR
London Heathrow
Malaysia Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Malaysia Airlines
 
1 STOP
LHR
London Heathrow
16 Jul - 29 Jul
£1,043pp
LHR
London Heathrow
Malaysia Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Malaysia Airlines
 
1 STOP
LHR
London Heathrow
16 Jul - 29 Jul
£1,310pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
EVA Air
   
2 STOPS
LHR
London Heathrow

One-way flights to Pochentong from London

The cheapest one-way flights from London to Phnom Penh
03:05 - 09:05
Multiple Airlines
2 stops
48h 00m
LGW - PNH
Multiple Airlines
£372
Kiwi.com
14:05 - 05:30
Multiple Airlines
2 stops
33h 25m
LGW - PNH
Multiple Airlines
£386
Kiwi.com
14:10 - 05:30
Multiple Airlines
2 stops
33h 20m
LTN - PNH
Multiple Airlines
£389
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">London</span> to <span class="emphasized">Phnom Penh</span> flights.

Flight FAQs

From London to Phnom Penh

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

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 17 different airlines.

Which airlines flying from London to Phnom Penh Pochentong have flexible cancellations due to COVID-19?

Singapore Airlines, Thai Airways, and Shenzhen Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from London to Phnom Penh for under £700 on Cheapflights?

Yes, there are multiple flights from London to Phnom Penh for under £700. The cheapest flight booked recently is on Singapore Airlines for just £631, but on average you can expect to pay £697.

Are there last-minute flights available from London to Phnom Penh for under £900?

There are currently 20+ open flights from London to Phnom Penh within the next 7 days for less than £900.

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

Our cheapest airline available from London to Phnom Penh is Singapore Airlines. Our recent data shows that you can find tickets from as low as £631 on this airline. Additional options worth looking into are Malaysia Airlines and Vietnam Airlines, starting at £727 and £745 round-trip. Singapore Airlines is 12% cheaper than the average price of flights available within the next 90 days to this destination.

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

Finnair, British Airways and Air China are the most popular airlines when flying from London to Phnom Penh.

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

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

What are the cheapest flights from London to Phnom Penh?

Looking for the cheapest flight from London to Phnom Penh? While on average our users pay £1,852, our data indicates the cheapest price to be £466. The most popular route (London Heathrow - Phnom Penh Pochentong), is priced around £631.

COVID Restrictions

View COVID Travel Restrictions for Phnom Penh, Cambodia

Do I need a COVID test to fly to Phnom Penh from London?

Information is based on travel restrictions from London to Phnom Penh Pochentong

Most visitors from London need to provide a negative COVID-19 test result and/or quarantine to enter Phnom Penh Pochentong.

COVID-19 testing requirements
Visitors from London are not required to present a negative COVID-19 PCR test or antigen result upon entering Phnom Penh Pochentong.

Quarantine requirements
Visitors from London are not required to quarantine after entering Phnom Penh Pochentong.

Do I need a test to fly back to London from Phnom Penh?

Returning to London from Phnom Penh Pochentong

COVID-19 testing requirements
Visitors from Phnom Penh Pochentong are not required to present a negative COVID-19 PCR test or antigen result upon entering London.

Quarantine requirements
Visitors from Phnom Penh Pochentong are not required to quarantine after entering London.

Hide COVID Travel Restrictions for Phnom Penh, Cambodia

Alternative routes for London to Phnom Penh

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from London to Phnom Penh Pochentong

The chart below displays the airlines Cheapflights users travelling from London to Phnom Penh choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Shenzhen Airlines
£344 £429 No cancel fee 63%

We couldn't confirm the COVID-19 safety measures taken by Shenzhen Airlines. Please check directly on their website for additional information.

Search Shenzhen Airlines flights
China Southern
£344 £471 No cancel fee 69%
Search China Southern flights
Air China
£385 £503 No cancel fee 67%
Search Air China flights
Philippine Airlines
£428 £578 No cancel fee 60%
Search Philippine Airlines flights
Austrian Airlines
£442 £890 No cancel fee 78%
Search Austrian Airlines flights
Cathay Pacific
£497 £787 No cancel fee 72%
Search Cathay Pacific flights
Emirates
£583 £700 No cancel fee 75%
Search Emirates flights
Asiana Airlines
£621 £791 No cancel fee 76%

We couldn't confirm the COVID-19 safety measures taken by Asiana Airlines. Please check directly on their website for additional information.

Search Asiana Airlines flights
Singapore Airlines
£626 £704 No cancel fee 81%
Search Singapore Airlines flights
Thai Airways
£636 £792 No cancel fee 77%
Search Thai Airways flights
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