Cheap flights from London to Phnom Penh

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The best prices from London to Phnom Penh Pochentong are usually found in May or November, booked 60 days in advance, depart on a Tuesday or Wednesday and return on a Sunday

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 2021: compare London to Phnom Penh flight prices with the expected peak season, weather and rainfall in Phnom Penh.
LON - PNH
Price
£457 - £733
PNH
Temperature
25 - 29 °C
PNH
Precipitation
0 - 250 mm

Popular in

August

High demand for flights, 27% potential price rise

Cheapest in

May

Best time to find cheap flights, 14% potential price drop

Average price

£472

Average for round-trip flights in septiembre 2021

Round-trip from

€457

From London All airports (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.
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 evening, which can drop the price by up to 28% versus a flight at midday.

What is the cheapest month to fly from London to Phnom Penh?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, May can be a great choice for travel to Phnom Penh. Flights to Phnom Penh from London in May are about £534 on average during May, but can be found for as low as £329.

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 61 days in advance, which can save you up to 19% on flights from London to Phnom Penh compared to booking the week you need them. Waiting 61 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 £545. For sooner than that we have options available in the next 3 days from £585.

What is the cheapest day to fly return 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 19% on the overall cost on flights from London to Phnom Penh.

Cheap flights from London to Phnom Penh in September, October 2021

The best prices found for LON to PNH flights in September, October
26 Oct - 2 Nov
£564pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow
11 Oct - 19 Nov
£586pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow
30 Oct - 30 Nov
£612pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow

London to Phnom Penh 2021 flight deals

Cheap flights to Phnom Penh from London found for this year
26 Oct - 2 Nov
£564pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow
11 Oct - 19 Nov
£586pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow
2 Nov - 7 Dec
£587pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow

One-way flights to Pochentong from London

The cheapest one-way flights from London to Phnom Penh
15:35 - 03:35
Singapore Airlines
1 stop
29h 00m
LHR - PNH
Singapore Airlines
£406
DreamWorldTravel
07:25 - 13:30
Singapore Airlines
1 stop
24h 05m
LHR - PNH
Singapore Airlines
£424
Travel2Be
06:55 - 12:35
Singapore Airlines
1 stop
23h 40m
LHR - PNH
Singapore Airlines
£438
DreamWorldTravel

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 centre, Phnom Penh Pochentong is the airport most travellers 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 16 different airlines.

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

Thai Airways, Shenzhen Airlines, and Emirates 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.

What safety measures are being taken by airlines flying from London to Phnom Penh Pochentong to control the spread of COVID-19?

New policies can now be found on Philippine Airlines and Etihad Airways to help keep travellers safe while flying. Airline carriers are regularly disinfecting and sanitising their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially-distanced seating (for a limited time) will work towards keeping travellers safer while flying from London to Phnom Penh Pochentong. Policies will vary by airline.

Are flight prices decreasing from London to Phnom Penh due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both London and Phnom Penh for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from London to Phnom Penh for under £600 on Cheapflights?

Yes, there are multiple flights from London to Phnom Penh for under £600. The cheapest flight booked recently is on Singapore Airlines for just £564, but on average you can expect to pay £644.

What are the cheapest airlines flying from London to Phnom Penh return?

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 £564 on this airline. Additional options worth looking into are Thai Airways and Cathay Pacific, starting at £631 and £679 round-trip.

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

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

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 £902, our data indicates the cheapest price to be £274. The most popular route (London Heathrow - Phnom Penh Pochentong), is priced around £534.

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 City - Phnom Penh Pochentong or London Gatwick - Phnom Penh Pochentong, as they are the most popular.

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 will not be allowed to enter Phnom Penh Pochentong.

COVID-19 testing requirements
Visitors from London must present a negative RT-PCR (NAAT) test taken 72 hours before departing to 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 must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to 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.

Destination information for Phnom Penh

Things to know before you go - useful duration and weather info for your trip from London to Phnom Penh.
Today's exchange rate
£1 = 5,526.67៛
Average temperature for September in Phnom Penh
32.0 °C
Avg rainfall for September in Phnom Penh
61.0 mm

Airports servicing London

Gatwick (LGW)
Stansted (STN)
London City (LCY)
Luton (LTN)
Southend (SEN)

Airports servicing Phnom Penh

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
£302 £377 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
£302 £413 No cancel fee 69%
Search China Southern flights
Air China
£338 £441 No cancel fee 67%
Search Air China flights
Philippine Airlines
£375 £507 No cancel fee 60%
Search Philippine Airlines flights
Cathay Pacific
£436 £644 No cancel fee 72%
Search Cathay Pacific flights
China Eastern
£452 £665 No cancel fee 62%

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

Search China Eastern flights
Malaysia Airlines
£455 £582 No cancel fee 67%
Search Malaysia Airlines flights
Singapore Airlines
£455 £596 No cancel fee 81%
Search Singapore Airlines flights
Thai Airways
£456 £584 No cancel fee 77%
Search Thai Airways flights
Vietnam Airlines
£469 £571 No cancel fee 81%
Search Vietnam Airlines flights
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