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 2022: compare Heathrow to Phnom Penh flight prices with the expected peak season, weather and rainfall in Phnom Penh.
LHR - PNH
Price
£700 - £1,056
PNH
Temperature
25 - 29 °C
PNH
Rainfall
0 - 250 mm

Popular in

June

High demand for flights, 15% potential price rise

Cheapest in

September

Best time to find cheap flights, 22% potential price drop

Round-trip from

£576

From London Heathrow to Phnom Penh Pochentong

One-way from

£488

One-way flight 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 49 days early can save you up to 23% on average compared to booking a flight this week. If booking 49 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 £796 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 £900 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 December. For low rates, September can be a great choice for travel to Phnom Penh. Flights to Phnom Penh from London Heathrow Airport in September are about £711 on average during September, but can be found for as low as £534.

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 June, July 2022

The best prices found for LHR to PNH flights in June, July
29 Jul - 5 Aug
£854pp
LHR
London Heathrow
Malaysia Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Malaysia Airlines
 
1 STOP
LHR
London Heathrow
29 Jul - 5 Aug
£1,092pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
EVA Air
   
2 STOPS
LHR
London Heathrow
24 Jul - 20 Aug
£1,096pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

London Heathrow to Phnom Penh 2022 flight deals

Cheap flights to Phnom Penh from Heathrow found for this year
28 Nov - 11 Dec
£616pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow
2 Nov - 13 Nov
£619pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow
2 Nov - 13 Nov
£621pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
     
3 STOPS
LHR
London Heathrow

Last-minute flights from Heathrow to Phnom Penh

Late deals on return flights to Phnom Penh from Heathrow, departing today and this week
6 Jul - 23 Jul
£1,102pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
7 Jul - 22 Jul
£1,218pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
7 Jul - 23 Jul
£1,243pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
SriLankan Airlines
   
2 STOPS
LHR
London Heathrow

One-way flights to Pochentong from London Heathrow

The cheapest one-way flights from Heathrow to Phnom Penh
17:35 - 06:00
Malaysia Airlines
1 stop
30h 25m
LHR - PNH
Malaysia Airlines
15:35 - 12:35
Singapore Airlines
1 stop
38h 00m
LHR - PNH
Singapore Airlines
16:15 - 10:55
Multiple Airlines
3 stops
36h 40m
LHR - PNH
Multiple Airlines
£526
Kiwi.com

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 center, Phnom Penh Pochentong is the airport most travelers 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 16 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 Singapore Airlines, Thai Airways, and Shenzhen Airlines flying from London Heathrow to Phnom Penh Pochentong have implemented new flexible cancellation policies.

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

Yes, there are multiple flights from London Heathrow Airport to Phnom Penh for under £700. The cheapest flight booked recently is on Singapore Airlines for just £616, but on average you can expect to pay £663.

Are there last-minute flights available from London Heathrow Airport to Phnom Penh for under £1,200?

There are currently 20+ open flights from London Heathrow Airport to Phnom Penh within the next 7 days for less than £1,200.

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

Currently priced at £616, Singapore Airlines will fly you from London Heathrow Airport to Phnom Penh and back. In addition to Singapore Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Malaysia Airlines for as low as £728. You may be able to fly from London Heathrow Airport to Phnom Penh for 16% less than the average price by searching for these airlines.

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

Looking at all options, your cheapest flight can be booked for £485. While the most popular route (London Heathrow - Phnom Penh Pochentong) can be booked for £619 on average our data indicates £1,825 when flying from London Heathrow Airport to Phnom Penh.

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

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

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

COVID-19 testing requirements
Visitors from London Heathrow are not required to present a negative COVID-19 PCR test or antigen result upon entering 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 are not required to present a negative COVID-19 PCR test or antigen result upon entering 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 = 4,865.32៛
Average temperature for June in Phnom Penh
33.0 °C
Avg rainfall for June in Phnom Penh
35.0 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
£340 £424 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
£340 £465 No cancel fee 69%
Search China Southern flights
Air China
£380 £497 No cancel fee 67%
Search Air China flights
Philippine Airlines
£423 £571 No cancel fee 60%
Search Philippine Airlines flights
Austrian Airlines
£437 £879 No cancel fee 78%
Search Austrian Airlines flights
Emirates
£605 £679 No cancel fee 75%
Search Emirates flights
Asiana Airlines
£614 £782 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
£618 £700 No cancel fee 81%
Search Singapore Airlines flights
Thai Airways
£629 £780 No cancel fee 77%
Search Thai Airways flights
British Airways
£631 £806 No cancel fee 70%
Search British Airways flights
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