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Cheap flights from London Heathrow Airport to Phnom Penh from £275

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Phnom Penh departing on 31/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to Phnom Penh

Cheap return flights

These are some of the best return flight deals from London Heathrow Airport to Phnom Penh that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to Phnom Penh.

Cheap last-minute flights

Planning a quick getaway from London Heathrow Airport to Phnom Penh? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Phnom Penh, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from London Heathrow Airport to Phnom Penh

Find recent round-trip train or bus tickets from London Heathrow Airport to Phnom Penh.

All round-trip flight deals to Phnom Penh

The cheapest plane tickets to Phnom Penh found on KAYAK recently.
21:10 - 11:15LHR-PNH
31h 05m1 stop
12:15 - 19:10PNH-LHR
37h 55m1 stop
£447Shenzhen Airlines
Find Deal
Sun, 1 Dec - Sun, 15 Dec
21:10 - 11:15LHR-PNH
31h 05m1 stop
12:15 - 19:10PNH-LHR
37h 55m1 stop
£450Shenzhen Airlines
Find Deal
Wed, 19 Feb - Tue, 11 Mar
20:25 - 23:10LHR-PNH
19h 45m1 stop
00:25 - 15:55PNH-LHR
22h 30m1 stop
£497Air China
Find Deal
Sat, 11 Jan - Sun, 9 Feb
20:25 - 23:10LHR-PNH
19h 45m1 stop
00:25 - 15:55PNH-LHR
22h 30m1 stop
£499Air China
Find Deal
Mon, 17 Feb - Thu, 27 Feb
21:30 - 14:35LHR-PNH
34h 05m2 stops
15:35 - 19:05PNH-LHR
33h 30m1 stop
£523China Southern
Find Deal
Fri, 14 Mar - Sun, 30 Mar
21:30 - 10:50LHR-PNH
30h 20m2 stops
08:00 - 18:15PNH-LHR
17h 15m1 stop
£528China Southern
Find Deal
Mon, 17 Feb - Fri, 28 Feb
21:00 - 23:15LHR-PNH
19h 15m1 stop
00:15 - 13:55PNH-LHR
20h 40m1 stop
£597China Eastern
Find Deal
Mon, 20 Jan - Sun, 9 Feb
21:00 - 10:00LHR-PNH
30h 00m3 stops
00:15 - 13:55PNH-LHR
20h 40m1 stop
£602China Eastern
Find Deal
Sun, 16 Feb - Mon, 10 Mar
11:25 - 17:30LHR-PNH
24h 05m1 stop
18:25 - 15:40PNH-LHR
27h 15m1 stop
£640Singapore Airlines
Find Deal
Mon, 5 May - Tue, 27 May
09:10 - 17:55LHR-PNH
25h 45m1 stop
18:45 - 19:10PNH-LHR
31h 25m1 stop
£676Singapore Airlines
Find Deal
Mon, 10 Feb - Mon, 24 Feb
21:10 - 11:15LHR-PNH
31h 05m1 stop
£275Shenzhen Airlines
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Fri, 31 Jan
20:25 - 22:55LHR-PNH
19h 30m2 stops
Thu, 16 Jan
20:25 - 23:10LHR-PNH
19h 45m1 stop
£399Air China
Find Deal
Sat, 30 Nov
20:25 - 23:00LHR-PNH
20h 35m1 stop
£400Air China
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Thu, 15 May
22:10 - 10:40LHR-PNH
30h 30m1 stop
£418China Southern
Find Deal
Wed, 14 May
22:00 - 10:50LHR-PNH
29h 50m1 stop
£488China Southern
Find Deal
Fri, 6 Dec
21:00 - 10:00LHR-PNH
30h 00m3 stops
£526China Eastern
Find Deal
Fri, 31 Jan
08:05 - 15:25LHR-PNH
24h 20m2 stops
£618Qatar Airways
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Sun, 8 Dec
21:00 - 10:00LHR-PNH
30h 00m3 stops
£734China Eastern
Find Deal
Sun, 8 Dec
11:40 - 15:25LHR-PNH
20h 45m3 stops
£1,425Qatar Airways
Find Deal
Mon, 16 Dec
17:40 - 23:10LHR-PNH
22h 30m1 stop
12:15 - 17:50PNH-LHR
36h 35m2 stops
£485Air China
Find Deal
Tue, 26 Nov - Tue, 3 Dec
17:40 - 23:10LHR-PNH
22h 30m1 stop
00:25 - 15:55PNH-LHR
22h 30m1 stop
£486Air China
Find Deal
Tue, 26 Nov - Mon, 2 Dec
20:25 - 23:10LHR-PNH
19h 45m1 stop
00:25 - 17:50PNH-LHR
24h 25m1 stop
£510Air China
Find Deal
Tue, 26 Nov - Mon, 2 Dec
21:30 - 10:50LHR-PNH
30h 20m2 stops
11:55 - 17:55PNH-LHR
37h 00m2 stops
£517China Southern
Find Deal
Sat, 23 Nov - Sun, 1 Dec
21:10 - 11:15LHR-PNH
31h 05m1 stop
15:50 - 18:15PNH-LHR
33h 25m1 stop
Sat, 23 Nov - Sun, 1 Dec
22:00 - 10:50LHR-PNH
29h 50m1 stop
11:55 - 18:15PNH-LHR
37h 20m1 stop
£599China Southern
Find Deal
Tue, 26 Nov - Tue, 3 Dec
21:00 - 10:00LHR-PNH
30h 00m3 stops
00:15 - 13:55PNH-LHR
20h 40m1 stop
£639China Eastern
Find Deal
Sun, 24 Nov - Tue, 3 Dec
21:00 - 10:00LHR-PNH
30h 00m3 stops
11:05 - 13:55PNH-LHR
33h 50m3 stops
£645China Eastern
Find Deal
Sun, 24 Nov - Wed, 4 Dec
14:55 - 15:25LHR-PNH
17h 30m2 stops
17:10 - 06:25PNH-LHR
20h 15m2 stops
£745Qatar Airways
Find Deal
Tue, 26 Nov - Tue, 3 Dec
06:55 - 17:45LHR-PNH
27h 50m2 stops
19:05 - 20:10PNH-LHR
32h 05m1 stop
£939Cathay Pacific
Find Deal
Sat, 23 Nov - Sun, 1 Dec

Emirates flights from London Heathrow Airport to Phnom Penh

Our best Emirates deals on London Heathrow Airport to Phnom Penh flight tickets
Emirates
16 Mar
LHR09:10London Heathrow
26h 15m
2 stops
PNH18:25Phnom Penh Pochentong
11 May
PNH20:50Phnom Penh Pochentong
27h 50m
2 stops
LHR18:40London Heathrow
Emirates
20 Jan
LHR22:00London Heathrow
37h 25m
2 stops
PNH18:25Phnom Penh Pochentong
10 Feb
PNH21:30Phnom Penh Pochentong
23h 20m
2 stops
LHR13:50London Heathrow
Emirates
1 Dec
LHR15:50London Heathrow
19h 35m
2 stops
PNH18:25Phnom Penh Pochentong
2 Mar
PNH21:30Phnom Penh Pochentong
23h 20m
2 stops
LHR13:50London Heathrow

Vietnam Airlines flights from London Heathrow Airport to Phnom Penh

Our best Vietnam Airlines deals on London Heathrow Airport to Phnom Penh flight tickets
Vietnam Airlines
1 Dec
LHR11:00London Heathrow
25h 05m
1 stop
PNH19:05Phnom Penh Pochentong
31 May
PNH17:45Phnom Penh Pochentong
30h 05m
2 stops
LHR17:50London Heathrow
Vietnam Airlines
26 Nov
LHR11:00London Heathrow
25h 05m
1 stop
PNH19:05Phnom Penh Pochentong
3 Dec
PNH17:30Phnom Penh Pochentong
20h 45m
2 stops
LHR07:15London Heathrow
Vietnam Airlines
29 Nov
LHR11:00London Heathrow
19h 00m
2 stops
PNH13:00Phnom Penh Pochentong
17 Dec
PNH17:30Phnom Penh Pochentong
20h 45m
2 stops
LHR07:15London Heathrow

See travel insights to Phnom Penh from

How to get the cheapest flight ticket from London Heathrow Airport to Phnom Penh

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from London Heathrow Airport to Phnom Penh?

May. The cheapest time of year to fly to Phnom Penh from London Heathrow Airport is May. The most expensive is December.

What is the cheapest day to depart London Heathrow Airport for Phnom Penh?

Monday. The cheapest day of the week is usually Monday. The most expensive is usually Friday.

When is the cheapest time to fly from London Heathrow Airport to Phnom Penh?

In the evening. London Heathrow Airport to Phnom Penh flights are approximately 36% more expensive at midday than in the evening

How far in advance should you book London Heathrow Airport to Phnom Penh flights?

58 days before. The cheapest time to buy a flight from London Heathrow Airport to Phnom Penh is approximately 58 days to departure

Can stopping save me money on London Heathrow Airport to Phnom Penh flights?

You could potentially save up to 18% on your flight if you consider stops on a London Heathrow Airport to Phnom Penh flight.

How have London Heathrow Airport to Phnom Penh flight prices changed over time?

As of November 2024, prices for London Heathrow Airport to Phnom Penh flights are approximately 26% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Phnom Penh

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Phnom Penh according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Phnom Penh (LHR to PNH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Phnom Penh

Best price found

£275

Fastest flight time

15h 30m

Direct flights

None

Airports in Phnom Penh

1 airport
The best one-way flight to Phnom Penh from London Heathrow Airport in the past 72 hours is £275. The best return flight deal from London Heathrow Airport to Phnom Penh found on momondo in the last 72 hours is £447.
The fastest flight from London Heathrow Airport to Phnom Penh takes 15h 30m
There are no direct flights from London Heathrow Airport to Phnom Penh. Popular non-direct route for this connection is London Heathrow Airport - Phnom Penh Pochentong Airport.
There is 1 airport near Phnom Penh: Phnom Penh Pochentong (PNH)

  • How far is London Heathrow to Phnom Penh Pochentong by plane?

    Phnom Penh Pochentong is 6233.8 mi away from London Heathrow. A reasonable flight in good conditions will take 15h 30m.

  • When did momondo last update prices for flights from London Heathrow Airport to Phnom Penh Pochentong Airport?

    Prices for flights from London Heathrow Airport to Phnom Penh Pochentong Airport are updated daily.

  • How many operators does momondo search for flights from London Heathrow Airport to Phnom Penh Pochentong Airport?

  • How old do you have to be to fly from London Heathrow Airport to Phnom Penh Pochentong Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Phnom Penh Pochentong Airport.

  • What documentation or ID do you need to fly to Phnom Penh Pochentong Airport?

    The required travel and health documents for your Phnom Penh Pochentong Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Phnom Penh Pochentong Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from London Heathrow Airport to Phnom Penh?


Best airlines flying from London Heathrow Airport to Phnom Penh

Compare and see reviews for airlines that fly from London Heathrow Airport to Phnom Penh with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom £415Free CancellationRating
7.6
122 reviews
Search China Southern flights
Shenzhen AirlinesPriceFrom £453Free CancellationRating
6.0
13 reviews
Search Shenzhen Airlines flights
Air ChinaPriceFrom £461Free CancellationRating
7.1
157 reviews
Search Air China flights
China EasternPriceFrom £649Free CancellationRating
6.9
220 reviews
Search China Eastern flights
Malaysia AirlinesPriceFrom £661Free CancellationRating
7.3
300 reviews
Search Malaysia Airlines flights
Singapore AirlinesPriceFrom £673Free CancellationRating
8.1
1,336 reviews
Search Singapore Airlines flights
Cathay PacificPriceFrom £697Free CancellationRating
7.6
878 reviews
Search Cathay Pacific flights
Vietnam AirlinesPriceFrom £716Free CancellationRating
7.6
235 reviews
Search Vietnam Airlines flights
EmiratesPriceFrom £772Free CancellationRating
8.1
3,486 reviews
Search Emirates flights
Qatar AirwaysPriceFrom £778Free CancellationRating
7.5
3,831 reviews
Search Qatar Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Phnom Penh?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Phnom Penh for you.

Can I find flights from London to Phnom Penh with flexible booking policies on momondo?

All flight searches from London to Phnom Penh on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Phnom Penh?

Once all potential London to Phnom Penh flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Phnom Penh right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Phnom Penh flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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