Cheap flights from London to Cambodia from £346

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 15/6. 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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:30 - 18:05
LHR
-
SAI
26h 35m
2 stops
Multiple Airlines Logo
19:05 - 18:45
SAI
-
LHR
29h 40m
2 stops
£592Multiple Airlines
Wed, 10 Jun - Wed, 17 Jun
Multiple Airlines Logo
09:30 - 13:00
LHR
-
KOS
21h 30m
2 stops
Multiple Airlines Logo
12:15 - 07:00
KOS
-
LHR
24h 45m
2 stops
£625Multiple Airlines
Tue, 12 May - Tue, 19 May
Multiple Airlines Logo
10:25 - 14:50
LGW
-
SAI
22h 25m
2 stops
Multiple Airlines Logo
15:35 - 07:25
SAI
-
LGW
21h 50m
2 stops
£631Multiple Airlines
Thu, 2 Jul - Fri, 10 Jul
Emirates Logo
14:55 - 21:30
STN
-
SAI
24h 35m
2 stops
Emirates Logo
23:50 - 18:45
SAI
-
STN
24h 55m
2 stops
£714Emirates
Mon, 11 May - Tue, 19 May
Emirates Logo
14:55 - 21:30
STN
-
SAI
24h 35m
2 stops
Emirates Logo
23:50 - 18:45
SAI
-
STN
24h 55m
2 stops
£715Emirates
Mon, 11 May - Tue, 19 May
Emirates Logo
14:35 - 21:30
LGW
-
SAI
24h 55m
2 stops
Emirates Logo
23:50 - 19:45
SAI
-
LGW
25h 55m
2 stops
£721Emirates
Mon, 11 May - Tue, 19 May
Emirates Logo
21:05 - 21:30
STN
-
SAI
42h 25m
2 stops
Emirates Logo
13:05 - 12:55
SAI
-
STN
29h 50m
2 stops
£734Emirates
Tue, 21 Apr - Wed, 13 May
SWISS Logo
18:00 - 18:45
LCY
-
SAI
42h 45m
2 stops
SWISS Logo
09:45 - 08:40
SAI
-
LCY
28h 55m
2 stops
£1,005SWISS
Wed, 29 Apr - Wed, 20 May
SWISS Logo
13:10 - 18:45
LCY
-
SAI
23h 35m
2 stops
SWISS Logo
09:45 - 08:40
SAI
-
LCY
28h 55m
2 stops
£1,057SWISS
Wed, 29 Apr - Wed, 20 May
SWISS Logo
09:15 - 18:45
LCY
-
SAI
27h 30m
2 stops
SWISS Logo
09:45 - 08:40
SAI
-
LCY
28h 55m
2 stops
£1,078SWISS
Mon, 11 May - Mon, 18 May

Singapore Airlines flights from London to Cambodia

Our best Singapore Airlines deals on London to Cambodia flight tickets
Singapore Airlines
23 Sept
LHR20:35London Heathrow
31h 05m
1 stop
SAI09:40Siem Reap–Angkor Intl
11 Oct
SAI16:00Siem Reap–Angkor Intl
19h 55m
1 stop
LHR05:55London Heathrow
£816
Singapore Airlines
11 Apr
LGW13:00London Gatwick
20h 10m
1 stop
SAI15:10Siem Reap–Angkor Intl
15 May
SAI10:30Siem Reap–Angkor Intl
29h 00m
1 stop
LGW09:30London Gatwick
£968
Singapore Airlines
4 Apr
LGW13:00London Gatwick
38h 40m
1 stop
SAI09:40Siem Reap–Angkor Intl
3 Jun
SAI10:30Siem Reap–Angkor Intl
26h 25m
1 stop
LGW06:55London Gatwick
£1,236

Emirates flights from London to Cambodia

Our best Emirates deals on London to Cambodia flight tickets
Emirates
11 May
STN14:55London Stansted
24h 35m
2 stops
SAI21:30Siem Reap–Angkor Intl
19 May
SAI23:50Siem Reap–Angkor Intl
24h 55m
2 stops
STN18:45London Stansted
£714
Emirates
11 May
STN14:55London Stansted
24h 35m
2 stops
SAI21:30Siem Reap–Angkor Intl
19 May
SAI23:50Siem Reap–Angkor Intl
24h 55m
2 stops
STN18:45London Stansted
£715
Emirates
11 May
LGW14:35London Gatwick
24h 55m
2 stops
SAI21:30Siem Reap–Angkor Intl
19 May
SAI23:50Siem Reap–Angkor Intl
25h 55m
2 stops
LGW19:45London Gatwick
£721

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 2 April 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

LHR - SAI

LHRSAI

London Heathrow

Wed 10/6

09:30-18:05

2 stops26h 35m

Siem Reap–Angkor Intl

Wed 17/6

19:05-18:45

2 stops29h 40m

£592

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Tue 12/5

09:30-13:00

2 stops21h 30m

Krong Preah Sihanouk Sihanoukville

Tue 19/5

12:15-07:00

2 stops24h 45m

£625
Fastest return journey

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Thu 2/7

10:25-14:50

2 stops22h 25m

Siem Reap–Angkor Intl

Fri 10/7

15:35-07:25

2 stops21h 50m

£631

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Mon 11/5

14:55-21:30

2 stops24h 35m

Siem Reap–Angkor Intl

Tue 19/5

23:50-18:45

2 stops24h 55m

£714

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Mon 11/5

14:55-21:30

2 stops24h 35m

Siem Reap–Angkor Intl

Tue 19/5

23:50-18:45

2 stops24h 55m

£715

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Mon 11/5

14:35-21:30

2 stops24h 55m

Siem Reap–Angkor Intl

Tue 19/5

23:50-19:45

2 stops25h 55m

£721

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Tue 21/4

21:05-21:30

2 stops42h 25m

Siem Reap–Angkor Intl

Wed 13/5

13:05-12:55

2 stops29h 50m

£734

LondonSiem Reap

LCY - SAI

LCYSAI

London City

Wed 29/4

18:00-18:45

2 stops42h 45m

Siem Reap–Angkor Intl

Wed 20/5

09:45-08:40

2 stops28h 55m

£1,005

LondonSiem Reap

LCY - SAI

LCYSAI

London City

Wed 29/4

13:10-18:45

2 stops23h 35m

Siem Reap–Angkor Intl

Wed 20/5

09:45-08:40

2 stops28h 55m

£1,057

LondonSiem Reap

LCY - SAI

LCYSAI

London City

Mon 11/5

09:15-18:45

2 stops27h 30m

Siem Reap–Angkor Intl

Mon 18/5

09:45-08:40

2 stops28h 55m

£1,078

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 £528. 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 £555.

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 £709 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 £615 on momondo.

Can stopping save me money on London to Cambodia flights?

You could potentially save up to 11% 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

17h 35m

Direct flights

None
The fastest flight from London to Cambodia takes 17h 35m
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 £270Free CancellationRating
7.3
145 reviews
Search Air China flights
China SouthernPriceFrom £366Free CancellationRating
7.4
146 reviews
Search China Southern flights
Shenzhen AirlinesPriceFrom £420Free CancellationRating
7.8
25 reviews
Search Shenzhen Airlines flights
China EasternPriceFrom £518Free CancellationRating
7.2
200 reviews
Search China Eastern flights
Etihad AirwaysPriceFrom £520Free CancellationRating
7.3
1,431 reviews
Search Etihad Airways flights
Austrian AirlinesPriceFrom £545Free CancellationRating
7.6
904 reviews
Search Austrian Airlines flights
Singapore AirlinesPriceFrom £571Free CancellationRating
8.2
1,487 reviews
Search Singapore Airlines flights
Malaysia AirlinesPriceFrom £594Free CancellationRating
7.4
303 reviews
Search Malaysia Airlines flights
LufthansaPriceFrom £604Free CancellationRating
6.8
7,885 reviews
Search Lufthansa flights
Vietnam AirlinesPriceFrom £623Free CancellationRating
7.7
252 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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