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Cheap flights from London to Cambodia from £372

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 to Cambodia departing on 15/9. 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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Cheap return flights

China Southern Logo
22:00 - 23:30LHR-PNH
18h 30m1 stop
China Southern Logo
15:50 - 17:55PNH-LHR
33h 05m2 stops
£477China Southern
Find Deal
Sat, 15 Nov - Sat, 31 Jan
China Southern Logo
21:30 - 10:50LHR-PNH
30h 20m2 stops
China Southern Logo
15:50 - 18:15PNH-LHR
33h 25m1 stop
£482China Southern
Find Deal
Mon, 3 Nov - Sun, 16 Nov
Air China Logo
22:40 - 23:05LHR-PNH
18h 25m1 stop
Air China Logo
00:20 - 20:30PNH-LHR
26h 10m1 stop
£486Air China
Find Deal
Fri, 3 Oct - Sat, 11 Oct
Air China Logo
17:40 - 23:10LHR-PNH
22h 30m1 stop
Air China Logo
00:25 - 17:50PNH-LHR
24h 25m1 stop
£497Air China
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Thu, 25 Dec - Mon, 19 Jan
China Eastern Logo
18:05 - 23:15LGW-PNH
23h 10m1 stop
China Eastern Logo
00:10 - 15:10PNH-LGW
21h 00m1 stop
£536China Eastern
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Mon, 1 Sep - Thu, 4 Sep
China Eastern Logo
11:35 - 23:15LGW-PNH
29h 40m1 stop
China Eastern Logo
12:40 - 15:00PNH-LGW
32h 20m2 stops
£550China Eastern
Find Deal
Mon, 1 Sep - Fri, 5 Sep
Singapore Airlines Logo
09:20 - 13:45LGW-PNH
21h 25m1 stop
Singapore Airlines Logo
09:35 - 06:25PNH-LGW
27h 50m1 stop
£610Singapore Airlines
Find Deal
Mon, 27 Oct - Mon, 17 Nov
Singapore Airlines Logo
09:20 - 18:30LGW-PNH
26h 10m1 stop
Singapore Airlines Logo
09:35 - 06:25PNH-LGW
27h 50m1 stop
£632Singapore Airlines
Find Deal
Wed, 5 Nov - Wed, 26 Nov
Emirates Logo
14:55 - 16:35STN-PNH
19h 40m1 stop
Emirates Logo
20:50 - 12:55PNH-STN
22h 05m1 stop
£927Emirates
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Thu, 18 Sep - Thu, 25 Sep
Emirates Logo
20:15 - 16:35STN-PNH
37h 20m1 stop
Emirates Logo
20:35 - 12:05PNH-STN
22h 30m1 stop
£948Emirates
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Tue, 11 Nov - Fri, 28 Nov

China Southern flights from London to Cambodia

Our best China Southern deals on London to Cambodia flight tickets
China Southern
15 Nov
LHR22:00London Heathrow
18h 30m
1 stop
PNH23:30Phnom Penh Pochentong
31 Jan
PNH15:50Phnom Penh Pochentong
33h 05m
2 stops
LHR17:55London Heathrow
£477
Find similar
China Southern
3 Nov
LHR21:30London Heathrow
30h 20m
2 stops
PNH10:50Phnom Penh Pochentong
16 Nov
PNH15:50Phnom Penh Pochentong
33h 25m
1 stop
LHR18:15London Heathrow
£482
Find similar
China Southern
18 Sept
LGW12:00London Gatwick
16h 40m
1 stop
PNH10:40Phnom Penh Pochentong
25 Sept
PNH08:00Phnom Penh Pochentong
29h 10m
1 stop
LGW07:10London Gatwick
£485
Find similar

China Eastern flights from London to Cambodia

Our best China Eastern deals on London to Cambodia flight tickets
China Eastern
1 Sept
LGW18:05London Gatwick
23h 10m
1 stop
PNH23:15Phnom Penh Pochentong
4 Sept
PNH00:10Phnom Penh Pochentong
21h 00m
1 stop
LGW15:10London Gatwick
£536
Find similar
China Eastern
1 Sept
LGW11:35London Gatwick
29h 40m
1 stop
PNH23:15Phnom Penh Pochentong
5 Sept
PNH12:40Phnom Penh Pochentong
32h 20m
2 stops
LGW15:00London Gatwick
£550
Find similar
China Eastern
1 Sept
LHR21:20London Heathrow
32h 15m
2 stops
PNH11:35Phnom Penh Pochentong
4 Sept
PNH00:10Phnom Penh Pochentong
24h 30m
1 stop
LHR18:40London Heathrow
£573
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London to Cambodia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 19 August 2025.
Use the filters below to find and compare flights from London to Cambodia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Sat 15/11

22:00-23:30

1 stop18h 30m

Phnom Penh Pochentong

Sat 31/1

15:50-17:55

2 stops33h 05m

£477

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Mon 3/11

21:30-10:50

2 stops30h 20m

Phnom Penh Pochentong

Sun 16/11

15:50-18:15

1 stop33h 25m

£482

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Fri 3/10

22:40-23:05

1 stop18h 25m

Phnom Penh Pochentong

Sat 11/10

00:20-20:30

1 stop26h 10m

£486

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Thu 25/12

17:40-23:10

1 stop22h 30m

Phnom Penh Pochentong

Mon 19/1

00:25-17:50

1 stop24h 25m

£497

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Mon 1/9

18:05-23:15

1 stop23h 10m

Phnom Penh Pochentong

Thu 4/9

00:10-15:10

1 stop21h 00m

£536

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Mon 1/9

11:35-23:15

1 stop29h 40m

Phnom Penh Pochentong

Fri 5/9

12:40-15:00

2 stops32h 20m

£550

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Mon 27/10

09:20-13:45

1 stop21h 25m

Phnom Penh Pochentong

Mon 17/11

09:35-06:25

1 stop27h 50m

£610

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Wed 5/11

09:20-18:30

1 stop26h 10m

Phnom Penh Pochentong

Wed 26/11

09:35-06:25

1 stop27h 50m

£632

LondonPhnom Penh

STN - PNH

STNPNH

London Stansted

Thu 18/9

14:55-16:35

1 stop19h 40m

Phnom Penh Pochentong

Thu 25/9

20:50-12:55

1 stop22h 05m

£927

LondonPhnom Penh

STN - PNH

STNPNH

London Stansted

Tue 11/11

20:15-16:35

1 stop37h 20m

Phnom Penh Pochentong

Fri 28/11

20:35-12:05

1 stop22h 30m

£948

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Cambodia from

How to get the cheapest flight ticket from London to Cambodia

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 to Cambodia?

In general, November is the cheapest month to fly from London to Cambodia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £494. If you aren’t able to travel during the month of November, then book flights to Cambodia from London during September instead. Flights to Cambodia in September, while not as cheap as those in November, still average around £537.

What is the cheapest day to depart on your flight to Cambodia?

According to our data, Monday is the cheapest day to fly to Cambodia from London. The lowest ticket price found for a Monday departure recently was £624. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around £729. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cambodia.

What is the cheapest time of day to depart on your flight to Cambodia?

Flying to Cambodia from London in the evening is the least expensive time of day to depart. momondo users have found prices as low as £524 when looking at flights departing in the evening. At midday is when there is more demand to fly to Cambodia, so prices are often more expensive at around £855 per ticket.

How far in advance should I book a flight to Cambodia?

You are more likely to see cheaper flights to Cambodia from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Cambodia for around £700 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cambodia from London for as low as £596 on momondo.

Can stopping save me money on London to Cambodia flights?

You could potentially save up to 15% on your flight if you consider stops on a London to Cambodia flight.

Cheap London to Cambodia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Cambodia

Best price found

£372

Fastest flight time

15h 25m

Direct flights

None

Airports in Cambodia

2 airports
The best one-way flight to Cambodia from London in the past 72 hours is £372. The best return flight deal from London to Cambodia found on momondo in the last 72 hours is £477.
The fastest flight from London to Cambodia takes 15h 25m
There are no direct flights from London to Cambodia. Popular non-direct routes for this connection are London Gatwick Airport - Phnom Penh Pochentong Airport, London Stansted Airport - Phnom Penh Pochentong Airport and London Heathrow Airport - Phnom Penh Pochentong Airport.
There are 2 airports near Cambodia: Phnom Penh Pochentong (PNH), Krong Preah Sihanouk Sihanoukville (KOS)
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  • When did momondo last update prices for flights from London to Cambodia?

    Prices for flights from London to Cambodia were last updated today.

  • How many operators does momondo search for flights from London to Cambodia?

  • How old do you have to be to fly from London to Cambodia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Cambodia.

  • What documentation or ID do you need to fly to Cambodia?

    The travel and health documents required for your trip to Cambodia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cambodia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from London to Cambodia

Compare and see reviews for airlines that fly from London to Cambodia with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom £360Free CancellationRating
7.6
106 reviews
Search China Southern flights
Shenzhen AirlinesPriceFrom £380Free CancellationRating
6.8
15 reviews
Search Shenzhen Airlines flights
Air ChinaPriceFrom £407Free CancellationRating
7.3
95 reviews
Search Air China flights
China EasternPriceFrom £509Free CancellationRating
7.2
160 reviews
Search China Eastern flights
Etihad AirwaysPriceFrom £513Free CancellationRating
7.4
1,233 reviews
Search Etihad Airways flights
Singapore AirlinesPriceFrom £558Free CancellationRating
8.1
1,347 reviews
Search Singapore Airlines flights
Malaysia AirlinesPriceFrom £592Free CancellationRating
7.4
274 reviews
Search Malaysia Airlines flights
Vietnam AirlinesPriceFrom £627Free CancellationRating
7.5
198 reviews
Search Vietnam Airlines flights
British AirwaysPriceFrom £642Free CancellationRating
6.7
7,283 reviews
Search British Airways flights
Cathay PacificPriceFrom £669Free CancellationRating
7.6
969 reviews
Search Cathay Pacific flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cambodia from London.

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

Yes. momondo allows you to filter the results for London to Cambodia flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Cambodia?

Once you have performed a search for London to Cambodia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from London to Cambodia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cambodia and let you know when they change.

An easier way to manage your Cambodia trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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