Cheap flights from Heathrow to Phnom Penh

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The best prices from Heathrow to Phnom Penh are usually found in May or September, booked 34 days in advance, depart on a Sunday or Thursday and return on a Monday

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

LHR - PNH
Price
£510 - £788
PNH
Temperature
30 - 35 °C
PNH
Rainfall
0 - 66 mm

Popular in

December

High demand for flights, 25% potential price rise

Cheapest in

May

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

Average price

£521

Average for round-trip flights in October 2020

Round-trip from

£510

From Heathrow to Phnom Penh

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

Departing on a Saturday is a good option for securing a great price. You can expect to save up to 14% when planning your travel around this day of the week.

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

Travellers have found it’s best to book a flight 61 days in advance to save up to 18% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Heathrow to Phnom Penh 1-2 weeks in advance for as low as £559, or £575 for flights within the next 24 hours.

What is the cheapest month to fly from Heathrow 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 Heathrow in May are about £562 on average during May, but can be found for as low as £329.

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

It’s typically best to fly out from Heathrow to Phnom Penh in the evening. Doing so could potentially save you 36% on the flight price compared to flying at midday, which is usually more expensive.

Cheap flights from Heathrow to Phnom Penh in October, November 2020

The best prices found for LHR to PNH flights in October, November
8 Nov - 19 Apr
£575pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow
30 Nov - 11 Jan
£576pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow
9 Nov - 20 Apr
£586pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow

Heathrow to Phnom Penh 2020 flight deals

Cheap flights to Phnom Penh from Heathrow found for this year
8 Nov - 19 Apr
£575pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow
30 Nov - 11 Jan
£576pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow
28 Dec - 2 Feb
£585pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
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
30 Oct - 20 Nov
£888pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
30 Oct - 20 Nov
£895pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
28 Oct - 30 Oct
£1,030pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

One-way flights to Phnom Penh from Heathrow

The cheapest one-way flights from Heathrow to Phnom Penh
06:00 - 11:40
Vietnam Airlines
1 stop
22h 40m
LHR - PNH
Vietnam Airlines
£449
DreamWorldTravel
05:55 - 12:35
Singapore Airlines
1 stop
23h 40m
LHR - PNH
Singapore Airlines
07:25 - 08:35
Multiple Airlines
2 stops
42h 10m
LHR - PNH
Multiple Airlines
£503
Kiwi.com

Related info for your journey

Useful info, stats and facts about Heathrow to Phnom Penh flights.

Flight FAQs

From Heathrow to Phnom Penh

Are flight prices decreasing from Heathrow 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 Heathrow 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.

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.

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 Shenzhen Airlines, Emirates, and Cathay Pacific flying from London Heathrow to Phnom Penh Pochentong have implemented new flexible cancellation policies.

Can I find flights from Heathrow to Phnom Penh for under £540 on Cheapflights?

Yes, there are multiple flights from Heathrow to Phnom Penh for under £540. The cheapest flight booked recently is on Singapore Airlines for just £511, but on average you can expect to pay £562.

Are there direct flights from Heathrow to Phnom Penh for under £540 on Cheapflights?

There are no direct flights from Heathrow to Phnom Penh, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Heathrow to Phnom Penh for under £926?

There are currently 8+ open flights from Heathrow to Phnom Penh within the next 7 days for less than £926.

Does it rain more in Heathrow or Phnom Penh?

Heathrow will have the same amount of rainfall in 1 compared to Phnom Penh over the next 21 days.

Is Heathrow weather warmer or cooler than Phnom Penh?

You can imagine temperatures to be in the 35 °C range in April. The weather in Phnom Penh is generally hotter than Heathrow's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long does is the flight from Heathrow to Phnom Penh?

Departing from Heathrow to Phnom Penh will take you 16h 10m. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

Flying on Singapore Airlines is currently your cheapest option to Phnom Penh, with prices starting at £512. Additional return tickets that might be worth considering are offered by Philippine Airlines and Cathay Pacific, with the lowest prices starting at £513 and £556, respectively. You may be able to fly from Heathrow to Phnom Penh for 13% less than the average price by searching for these airlines.

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

For one-way options, check prices for Vietnam Airlines. According to our data, you can fly for as low as £449. Users have also found tickets on Singapore Airlines for as little as £476.

Alternative routes for Heathrow to Phnom Penh

Destination information for Phnom Penh

Things to know before you go. Useful info for your trip from Heathrow to Phnom Penh
Today's exchange rate
£1 = 5,240.41៛
Average temperature for October in Phnom Penh
31.0 °C
Avg rainfall for October in Phnom Penh
66.0 mm

Airports servicing London

Airports servicing Phnom Penh

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