Cheap flights from London to Cambodia from £362

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 24/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from London to Cambodia

Cheap return flights

Enter your travel dates to find the best prices.
SWISS Logo
09:25 - 18:55
LGW
-
SAI
27h 30m
2 stops
SWISS Logo
09:40 - 08:25
SAI
-
LGW
28h 45m
2 stops
£593SWISS
Thu, 3 Sep - Thu, 17 Sep
SWISS Logo
08:45 - 18:55
LHR
-
SAI
28h 10m
2 stops
SWISS Logo
09:40 - 07:55
SAI
-
LHR
28h 15m
2 stops
£594SWISS
Thu, 3 Sep - Thu, 17 Sep
SWISS Logo
09:00 - 18:45
LHR
-
SAI
26h 45m
2 stops
SWISS Logo
09:55 - 21:40
SAI
-
LHR
18h 45m
2 stops
£609SWISS
Tue, 10 Nov - Tue, 24 Nov
Etihad Airways Logo
14:45 - 11:15
LHR
-
SAI
38h 30m
2 stops
Etihad Airways Logo
19:20 - 18:45
SAI
-
LHR
29h 25m
2 stops
£614Etihad Airways
Mon, 6 Jul - Sun, 12 Jul
Etihad Airways Logo
21:45 - 11:15
LHR
-
SAI
31h 30m
2 stops
Etihad Airways Logo
19:20 - 12:45
SAI
-
LHR
47h 25m
2 stops
£615Etihad Airways
Mon, 6 Jul - Tue, 14 Jul
China Eastern Logo
10:30 - 21:00
LGW
-
SAI
27h 30m
3 stops
China Eastern Logo
22:00 - 06:30
SAI
-
LGW
39h 30m
2 stops
£618China Eastern
Wed, 28 Oct - Sat, 28 Nov
China Eastern Logo
10:30 - 21:00
LGW
-
SAI
51h 30m
2 stops
China Eastern Logo
22:00 - 06:30
SAI
-
LGW
39h 30m
2 stops
£645China Eastern
Tue, 10 Nov - Tue, 24 Nov
Emirates Logo
20:15 - 21:10
STN
-
SAI
41h 55m
2 stops
Emirates Logo
23:50 - 12:05
SAI
-
STN
19h 15m
2 stops
£751Emirates
Tue, 10 Nov - Tue, 24 Nov
Emirates Logo
21:05 - 21:30
STN
-
SAI
42h 25m
2 stops
Emirates Logo
23:50 - 18:45
SAI
-
STN
24h 55m
2 stops
£751Emirates
Thu, 3 Sep - Thu, 17 Sep
Vietnam Airlines Logo
06:15 - 19:40
LHR
-
KOS
31h 25m
2 stops
Vietnam Airlines Logo
09:50 - 16:55
KOS
-
LHR
37h 05m
1 stop
£1,071Vietnam Airlines
Wed, 9 Sep - Wed, 16 Sep

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SWISS flights from London to Cambodia

Our best SWISS deals on London to Cambodia flight tickets
SWISS
3 Sept
LGW09:25London Gatwick
27h 30m
2 stops
SAI18:55Siem Reap–Angkor Intl
17 Sept
SAI09:40Siem Reap–Angkor Intl
28h 45m
2 stops
LGW08:25London Gatwick
£593
SWISS
3 Sept
LHR08:45London Heathrow
28h 10m
2 stops
SAI18:55Siem Reap–Angkor Intl
17 Sept
SAI09:40Siem Reap–Angkor Intl
28h 15m
2 stops
LHR07:55London Heathrow
£594
SWISS
10 Nov
LHR09:00London Heathrow
26h 45m
2 stops
SAI18:45Siem Reap–Angkor Intl
24 Nov
SAI09:55Siem Reap–Angkor Intl
18h 45m
2 stops
LHR21:40London Heathrow
£609

China Eastern flights from London to Cambodia

Our best China Eastern deals on London to Cambodia flight tickets
China Eastern
28 Oct
LGW10:30London Gatwick
27h 30m
3 stops
SAI21:00Siem Reap–Angkor Intl
28 Nov
SAI22:00Siem Reap–Angkor Intl
39h 30m
2 stops
LGW06:30London Gatwick
£618
China Eastern
10 Nov
LGW10:30London Gatwick
51h 30m
2 stops
SAI21:00Siem Reap–Angkor Intl
24 Nov
SAI22:00Siem Reap–Angkor Intl
39h 30m
2 stops
LGW06:30London Gatwick
£645
China Eastern
1 Nov
LGW17:00London Gatwick
45h 00m
2 stops
SAI21:00Siem Reap–Angkor Intl
28 Nov
SAI22:00Siem Reap–Angkor Intl
39h 30m
2 stops
LGW06:30London Gatwick
£668

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 10 June 2026.
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

Cheapest return flight

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Thu 3/9

09:25-18:55

2 stops27h 30m

Siem Reap–Angkor Intl

Thu 17/9

09:40-08:25

2 stops28h 45m

£593

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Thu 3/9

08:45-18:55

2 stops28h 10m

Siem Reap–Angkor Intl

Thu 17/9

09:40-07:55

2 stops28h 15m

£594
Fastest return journey

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Tue 10/11

09:00-18:45

2 stops26h 45m

Siem Reap–Angkor Intl

Tue 24/11

09:55-21:40

2 stops18h 45m

£609

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Mon 6/7

14:45-11:15

2 stops38h 30m

Siem Reap–Angkor Intl

Sun 12/7

19:20-18:45

2 stops29h 25m

£614

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Mon 6/7

21:45-11:15

2 stops31h 30m

Siem Reap–Angkor Intl

Tue 14/7

19:20-12:45

2 stops47h 25m

£615

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Wed 28/10

10:30-21:00

3 stops27h 30m

Siem Reap–Angkor Intl

Sat 28/11

22:00-06:30

2 stops39h 30m

£618

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Tue 10/11

10:30-21:00

2 stops51h 30m

Siem Reap–Angkor Intl

Tue 24/11

22:00-06:30

2 stops39h 30m

£645

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Tue 10/11

20:15-21:10

2 stops41h 55m

Siem Reap–Angkor Intl

Tue 24/11

23:50-12:05

2 stops19h 15m

£751

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Thu 3/9

21:05-21:30

2 stops42h 25m

Siem Reap–Angkor Intl

Thu 17/9

23:50-18:45

2 stops24h 55m

£751

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Wed 9/9

06:15-19:40

2 stops31h 25m

Krong Preah Sihanouk Sihanoukville

Wed 16/9

09:50-16:55

1 stop37h 05m

£1,071

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, October 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 £270. If you aren’t able to travel during the month of October, then book flights to Cambodia from London during September instead. Flights to Cambodia in September, while not as cheap as those in October, still average around £277.

How far in advance should I book a flight from London 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 £702 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 £573 on momondo.

Can stopping save me money on London to Cambodia flights?

You could potentially save up to 23% 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

Fastest flight time

14h 25m

Direct flights

None
The fastest flight from London to Cambodia takes 14h 25m
There are no direct flights from London to Cambodia. There are no popular flight routes from London to Cambodia.

Frequently asked questions about flying from London to Cambodia

  • 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
Air ChinaPriceFrom £269Free CancellationRating
7.3
154 reviews
Search Air China flights
China SouthernPriceFrom £364Free CancellationRating
7.5
153 reviews
Search China Southern flights
Shenzhen AirlinesPriceFrom £440Free CancellationRating
7.9
26 reviews
Search Shenzhen Airlines flights
Etihad AirwaysPriceFrom £512Free CancellationRating
7.3
1,452 reviews
Search Etihad Airways flights
Austrian AirlinesPriceFrom £542Free CancellationRating
7.6
927 reviews
Search Austrian Airlines flights
Singapore AirlinesPriceFrom £565Free CancellationRating
8.2
1,539 reviews
Search Singapore Airlines flights
China EasternPriceFrom £580Free CancellationRating
7.3
223 reviews
Search China Eastern flights
Malaysia AirlinesPriceFrom £590Free CancellationRating
7.3
310 reviews
Search Malaysia Airlines flights
LufthansaPriceFrom £601Free CancellationRating
6.8
8,052 reviews
Search Lufthansa flights
Vietnam AirlinesPriceFrom £619Free CancellationRating
7.7
271 reviews
Search Vietnam Airlines 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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1 adult
Fri 10/7
Fri 17/7

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