Cheap flights from London to Phnom Penh

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Phnom Penh (PNH)
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The best prices from London to Phnom Penh 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
£455 - £731
PNH
Temperature
30 - 35 °C
PNH
Rainfall
0 - 66 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

£549

Average for round-trip flights in April 2021

Round-trip from

£455

From London 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 London to Phnom Penh?

Friday flights are generally found to be more expensive for flights from London to Phnom Penh. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Phnom Penh.

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

Travellers have found it’s best to book a flight 61 days in advance to save up to 19% 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 London to Phnom Penh 1-2 weeks in advance for as low as £543, or £583 for flights within the next 24 hours.

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 £532 on average during May, but can be found for as low as £327.

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

Unlike at midday, when flights are generally more expensive, you can save up to 28% on flights from London to Phnom Penh by exploring options for tickets in the evening.

Cheap flights from London to Phnom Penh in April, May 2021

The best prices found for LON to PNH flights in April, May
25 May - 19 Jun
£617pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
 
1 STOP
LHR
London Heathrow
22 May - 20 Jun
£640pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
 
1 STOP
LHR
London Heathrow
22 May - 20 Jun
£662pp
LGW
London Gatwick
Multiple airlines
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
   
2 STOPS
LGW
London Gatwick

London to Phnom Penh 2021 flight deals

Cheap flights to Phnom Penh from London found for this year
23 Jun - 15 Sep
£506pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow
17 Jun - 30 Oct
£507pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow
19 Oct - 18 Feb
£510pp
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 Phnom Penh from London

The cheapest one-way flights from London to Phnom Penh
12:10 - 16:40
Finnair
2 stops
22h 30m
LHR - PNH
Finnair
£517
Flyus
16:50 - 13:30
Singapore Airlines
1 stop
38h 40m
LHR - PNH
Singapore Airlines
£2,123
17:30 - 06:00
Multiple Airlines
2 stops
30h 30m
LHR - PNH
Multiple Airlines
£2,145
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

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.

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.

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.

Can I find flights from London to Phnom Penh for under £509 on Cheapflights?

Yes, there are multiple flights from London to Phnom Penh for under £509. The cheapest flight booked recently is on Singapore Airlines for just £506, but on average you can expect to pay £587.

Are there direct flights from London to Phnom Penh for under £509 on Cheapflights?

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

Is London weather warmer or cooler than Phnom Penh?

With an average temperature of 35 °C, peak weather can be found in April. As a traveller, expect to see changes in flight prices during that period. The temperatures in Phnom Penh are hotter than in London.

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

For as low as £647, Qatar Airways can have you in Phnom Penh from London in 17h 50m.

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

Currently priced at £507, Singapore Airlines will fly you from London to Phnom Penh and back. In addition to Singapore Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Etihad Airways and Qatar Airways - these airlines can fly you to your destination from £615 and £647, respectively. Singapore Airlines is 4% cheaper than the average price of flights available within the next 90 days to this destination.

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

To fly one-way, consider booking your trip with Finnair, which is currently one of the cheapest options available, starting at £517. Finnair is not the only option available. At the moment, Singapore Airlines is another option, for £553.

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 = 5,519.39៛
Average temperature for April in Phnom Penh
35.0 °C

Airports servicing London

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

Airports servicing Phnom Penh

Top 10 airlines flying from London to Phnom Penh

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
£413 £516 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
£414 £566 No cancel fee 69%

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

Search China Southern flights
Air China
£462 £604 No cancel fee 67%
Search Air China flights
Philippine Airlines
£514 £694 No cancel fee 60%
Search Philippine Airlines flights
Vietnam Airlines
£643 £782 No cancel fee 81%
Search Vietnam Airlines flights
Malaysia Airlines
£623 £797 No cancel fee 67%
Search Malaysia Airlines flights
Thai Airways
£625 £799 No cancel fee 77%
Search Thai Airways flights
Emirates
£652 £804 No cancel fee 75%
Search Emirates flights
Singapore Airlines
£623 £817 No cancel fee 81%
Search Singapore Airlines flights
Cathay Pacific
£597 £882 No cancel fee 72%
Search Cathay Pacific flights
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