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
£483 - £957
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
Round-trip from £483 From London to Phnom Penh
One-way from £349 One-way flight 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 £465, or £478 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 £583 on average during May, but can be found for as low as £341.

Cheap flights from London to Phnom Penh in July, August 2020

The best prices found for LON to PNH flights in July, August
31 Jul - 30 Aug
£953pp
LHR
London Heathrow
Finnair
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Finnair
   
2 STOPS
LHR
London Heathrow
31 Jul - 30 Aug
£958pp
LHR
London Heathrow
Finnair
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Finnair
   
2 STOPS
LHR
London Heathrow
1 Jul - 1 Sep
£994pp
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 Dec - 13 Jan
£543pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Shenzhen Airlines
 
1 STOP
LHR
London Heathrow
8 Nov - 21 Nov
£594pp
LHR
London Heathrow
Malaysia Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Malaysia Airlines
 
1 STOP
LHR
London Heathrow
1 Dec - 19 Jan
£599pp
LHR
London Heathrow
Malaysia Airlines
 
1 STOP
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Malaysia 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
23 Jun - 20 Oct
£1266pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Etihad Airways
   
2 STOPS
LHR
London Heathrow
27 Jun - 7 Jul
£1746pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
23 Jun - 20 Oct
£1752pp
STN
London Stansted
Multiple airlines
     
3 STOPS
PNH
Phnom Penh Pochentong
PNH
Phnom Penh Pochentong
Multiple Airlines
   
2 STOPS
STN
London Stansted

One-way flights to Phnom Penh from London

The cheapest one-way flights from London to Phnom Penh
02:55 - 12:20
Multiple Airlines
2 stops
27h 25m
LTN - PNH
Multiple Airlines
£340
Kiwi.com
02:55 - 12:20
Multiple Airlines
3 stops
51h 25m
LTN - PNH
Multiple Airlines
£280
Kiwi.com
02:55 - 12:20
Multiple Airlines
3 stops
51h 25m
LTN - PNH
Multiple Airlines
£286
Kiwi.com

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 Malaysia Airlines for just £594, but on average you can expect to pay £658.

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 £1300?

There are currently 8+ open flights from London to Phnom Penh within the next 7 days for less than £1300.

How popular is this flight route?

The London to Phnom Penh Pochentong flight path was viewed by 47 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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.

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 = 5072.50៛
Average temperature for July in Phnom Penh
32.0 °C
Avg rainfall for July in Phnom Penh
16.0 mm

Airports servicing London

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

Airports servicing Phnom Penh