Cheap flights from Heathrow to Phnom Penh

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How to find the cheapest flight from
Heathrow (LHR) to Phnom Penh (PNH)

All the information you need to plan the best LHR to PNH flight in 2021: compare Heathrow to Phnom Penh flight prices with the expected peak season, weather and rainfall in Phnom Penh.
LHR - PNH
Price
£468 - £748
PNH
Temperature
25 - 29 °C
PNH
Precipitation
0 - 250 mm

Popular in

December

High demand for flights, 26% potential price rise

Cheapest in

May

Best time to find cheap flights, 15% potential price drop

Average price

£487

Average for round-trip flights in setiembre 2021

Round-trip from

$468

From London Heathrow to Phnom Penh Pochentong

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from London Heathrow Airport to Phnom Penh?

Users have found that booking a flight from London Heathrow Airport to Phnom Penh at least 61 days early can save you up to 19% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from London Heathrow Airport to Phnom Penh for as little as £546 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £586 for flights departing within the next 3 days.

What is the cheapest month to fly from London Heathrow Airport 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 Heathrow Airport in May are about £535 on average during May, but can be found for as low as £329.

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

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

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

The best prices found for LHR to PNH flights in September, October
3 Oct - 24 Oct
£617pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow
3 Oct - 24 Oct
£1,049pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
3 Oct - 24 Oct
£1,141pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow

London Heathrow to Phnom Penh 2021 flight deals

Cheap flights to Phnom Penh from Heathrow found for this year
13 Nov - 28 Nov
£560pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
 
1 STOP
LHR
London Heathrow
3 Nov - 20 Nov
£579pp
LHR
London Heathrow
Emirates
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Emirates
   
2 STOPS
LHR
London Heathrow
13 Nov - 27 Nov
£583pp
LHR
London Heathrow
Emirates
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Emirates
   
2 STOPS
LHR
London Heathrow

One-way flights to Pochentong from London Heathrow

The cheapest one-way flights from Heathrow to Phnom Penh
08:40 - 09:05
Emirates
2 stops
41h 25m
LHR - PNH
Emirates
£534
DreamWorldTravel
03:40 - 15:00
KLM
2 stops
28h 20m
LHR - PNH
KLM
£1,685
KLM
05:55 - 12:35
Singapore Airlines
1 stop
23h 40m
LHR - PNH
Singapore Airlines
£2,163

Related info for your journey

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

Flight FAQs

From Heathrow to Phnom Penh

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

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 Heathrow. Booking flights from London Heathrow to Pochentong (PNH) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 15 different airlines.

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

Due to the rapidly changing circumstances due to COVID-19, airlines like Thai Airways, Shenzhen Airlines, and Air China flying from London Heathrow to Phnom Penh Pochentong have implemented new flexible cancellation policies.

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

Airlines globally have implemented additional safety measures to accommodate you. Philippine Airlines and Etihad Airways are some airlines that have done so. New policies for travellers booking flights from London Heathrow to Phnom Penh Pochentong include masks being provided and required on board, daily cleaning and sanitisation, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially-distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Are flight prices decreasing from London Heathrow Airport 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 Heathrow Airport 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 Heathrow Airport to Phnom Penh for under £600 on Cheapflights?

Yes, there are multiple flights from London Heathrow Airport to Phnom Penh for under £600. The cheapest flight booked recently is on Multiple Airlines for just £538, but on average you can expect to pay £603.

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

Currently priced at £562, Emirates will fly you from London Heathrow Airport to Phnom Penh and back. In addition to Emirates, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Singapore Airlines and Cathay Pacific - these airlines can fly you to your destination from £576 and £673, respectively.

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

To fly one-way, consider booking your trip with Singapore Airlines, which is currently one of the cheapest options available, starting at £416. Emirates flights start at £534 while deals on KLM start at £1,685 one-way.

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

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

What are the cheapest flights from London Heathrow Airport to Phnom Penh?

Looking at all options, your cheapest flight can be booked for £274. While the most popular route (London Heathrow - Phnom Penh Pochentong) can be booked for £560 on average our data indicates £904 when flying from London Heathrow Airport to Phnom Penh

Related searches

Flights to Phnom Penh (PNH) from Heathrow
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COVID Restrictions

View COVID Travel Restrictions for Phnom Penh, Cambodia

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

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

Most visitors from London Heathrow will not be allowed to enter Phnom Penh Pochentong.

COVID-19 testing requirements
Visitors from London Heathrow must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Phnom Penh Pochentong.

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

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

Returning to London Heathrow 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 Heathrow.

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

Hide COVID Travel Restrictions for Phnom Penh, Cambodia

Alternative routes for Heathrow 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 Heathrow to Phnom Penh.
Today's exchange rate
£1 = 5,508.46៛
Average temperature for September in Phnom Penh
32.0 °C
Avg rainfall for September in Phnom Penh
61.0 mm

Airports servicing London

Airports servicing Phnom Penh

Top 10 airlines flying from London Heathrow to Phnom Penh Pochentong

The chart below displays the airlines Cheapflights users travelling from Heathrow 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 £378 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
£303 £414 No cancel fee 69%
Search China Southern flights
Air China
£338 £442 No cancel fee 67%
Search Air China flights
Philippine Airlines
£376 £508 No cancel fee 60%
Search Philippine Airlines flights
China Eastern
£453 £666 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
£456 £583 No cancel fee 67%
Search Malaysia Airlines flights
Singapore Airlines
£456 £598 No cancel fee 81%
Search Singapore Airlines flights
Thai Airways
£457 £585 No cancel fee 77%
Search Thai Airways flights
Vietnam Airlines
£470 £572 No cancel fee 81%
Search Vietnam Airlines flights
Emirates
£478 £586 No cancel fee 75%
Search Emirates flights
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