Cheap flights from London to Phnom Penh

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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)

LON - PNH
Price
£373 - £739
PNH
Temperature
30 - 35 °C
PNH
Rainfall
0 - 66 mm
Popular in August High demand for flights, 24% potential price rise
Cheapest in May Best time to find cheap flights, 34% potential price drop
Average price £496 Average for round-trip flights in September 2020
Round-trip from CHF 373 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 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 London to Phnom Penh 1-2 weeks in advance for as low as £433, or £445 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 £563 on average during May, but can be found for as low as £329.

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 September, October 2020

The best prices found for LON to PNH flights in September, October
26 Oct - 8 Nov
£599pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
 
1 STOP
LHR
London Heathrow
26 Oct - 8 Nov
£729pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Singapore Airlines
 
1 STOP
LHR
London Heathrow
26 Oct - 8 Nov
£923pp
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 2020 flight deals

Cheap flights to Phnom Penh from London found for this year
26 Oct - 8 Nov
£599pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
 
1 STOP
LHR
London Heathrow
2 Nov - 31 Jan
£602pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
 
1 STOP
LHR
London Heathrow
2 Nov - 2 Dec
£606pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
 
1 STOP
LHR
London Heathrow

Last-minute flights from London to Phnom Penh

Late deals on return flights to Phnom Penh from London, departing today and this week
26 Sep - 9 Oct
£1,419pp
STN
London Stansted
Multiple airlines
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
     
3 STOPS
STN
London Stansted
26 Sep - 9 Oct
£1,488pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
26 Sep - 9 Oct
£1,508pp
LTN
London Luton
Multiple airlines
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
     
3 STOPS
LTN
London Luton

One-way flights to Phnom Penh from London

The cheapest one-way flights from London to Phnom Penh
06:00 - 08:00
Vietnam Airlines
1 stop
19h 00m
LHR - PNH
Vietnam Airlines
£451
DreamWorldTravel
01:30 - 05:15
China Airlines
2 stops
20h 45m
LHR - PNH
China Airlines
£476
DreamWorldTravel
06:35 - 14:35
Turkish Airlines
2 stops
25h 00m
LHR - PNH
Turkish Airlines
£496
Travelgenio

Related info for your journey

Useful info, stats and facts about London to Phnom Penh 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.

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 Multiple Airlines for just £589, but on average you can expect to pay £660.

Are there direct flights from London to Phnom Penh for under £600 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.

Are there last-minute flights available from London to Phnom Penh for under £1,500?

There are currently 5+ open flights from London to Phnom Penh within the next 7 days for less than £1,500.

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 £534, Cathay Pacific can have you in Phnom Penh from London in 16h 05m.

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

Currently priced at £504, 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 British Airways and Cathay Pacific - these airlines can fly you to your destination from £523 and £534, respectively. Singapore Airlines is 10% 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 Vietnam Airlines, which is currently one of the cheapest options available, starting at £446. Turkish Airlines flights start at £463 while deals on China Airlines start at £476 one-way.

Alternative routes for London to Phnom Penh

Destination information for Phnom Penh

Things to know before you go. Useful info for your trip from London to Phnom Penh
Today's exchange rate
£1 = 5,246.39៛
Average temperature for September in Phnom Penh
32.0 °C
Avg rainfall for September in Phnom Penh
61.0 mm

Airports servicing London

Heathrow (LHR)
Luton (LTN)
Stansted (STN)
City (LCY)
Southend (SEN)

Airports servicing Phnom Penh

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