Cheap flights from London to Cambodia from £355

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 26/5. 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 - 11:15
LHR
-
SAI
19h 45m
2 stops
Multiple Airlines Logo
15:10 - 12:45
SAI
-
LHR
27h 35m
2 stops
£573Multiple Airlines
Mon, 1 Jun - Tue, 16 Jun
Multiple Airlines Logo
20:50 - 11:10
LHR
-
SAI
32h 20m
3 stops
Multiple Airlines Logo
19:05 - 18:45
SAI
-
LHR
29h 40m
2 stops
£625Multiple Airlines
Mon, 1 Jun - Tue, 16 Jun
Multiple Airlines Logo
20:50 - 13:15
LHR
-
SAI
34h 25m
3 stops
Multiple Airlines Logo
15:10 - 18:45
SAI
-
LHR
33h 35m
2 stops
£635Multiple Airlines
Mon, 1 Jun - Tue, 16 Jun
Multiple Airlines Logo
20:45 - 13:15
LHR
-
SAI
34h 30m
3 stops
Multiple Airlines Logo
15:10 - 15:05
SAI
-
LHR
29h 55m
2 stops
£638Multiple Airlines
Wed, 6 May - Thu, 21 May
Multiple Airlines Logo
10:25 - 13:00
LGW
-
KOS
20h 35m
2 stops
Multiple Airlines Logo
12:15 - 07:05
KOS
-
LGW
24h 50m
2 stops
£653Multiple Airlines
Sun, 28 Jun - Thu, 16 Jul
Emirates Logo
21:05 - 21:30
STN
-
SAI
42h 25m
2 stops
Emirates Logo
23:50 - 18:45
SAI
-
STN
24h 55m
2 stops
£706Emirates
Tue, 28 Apr - Tue, 19 May
Emirates Logo
21:05 - 21:30
STN
-
SAI
42h 25m
2 stops
Emirates Logo
23:50 - 18:45
SAI
-
STN
24h 55m
2 stops
£707Emirates
Tue, 28 Apr - Tue, 19 May
SWISS Logo
09:15 - 19:05
LCY
-
SAI
27h 50m
2 stops
SWISS Logo
09:40 - 08:40
SAI
-
LCY
29h 00m
2 stops
£1,046SWISS
Mon, 1 Jun - Tue, 16 Jun
SWISS Logo
09:15 - 19:05
LCY
-
SAI
27h 50m
2 stops
SWISS Logo
09:40 - 08:40
SAI
-
LCY
29h 00m
2 stops
£1,047SWISS
Mon, 1 Jun - Tue, 16 Jun
KLM Logo
10:00 - 12:20
LCY
-
SAI
20h 20m
2 stops
KLM Logo
19:45 - 18:30
SAI
-
LCY
28h 45m
2 stops
£1,222KLM
Tue, 28 Apr - Tue, 19 May

Emirates flights from London to Cambodia

Our best Emirates deals on London to Cambodia flight tickets
Emirates
28 Apr
STN21:05London Stansted
42h 25m
2 stops
SAI21:30Siem Reap–Angkor Intl
19 May
SAI23:50Siem Reap–Angkor Intl
24h 55m
2 stops
STN18:45London Stansted
£706
Emirates
28 Apr
STN21:05London Stansted
42h 25m
2 stops
SAI21:30Siem Reap–Angkor Intl
19 May
SAI23:50Siem Reap–Angkor Intl
24h 55m
2 stops
STN18:45London Stansted
£707
Emirates
26 Apr
LGW21:45London Gatwick
41h 45m
2 stops
SAI21:30Siem Reap–Angkor Intl
19 May
SAI23:50Siem Reap–Angkor Intl
25h 55m
2 stops
LGW19:45London Gatwick
£713

Vietnam Airlines flights from London to Cambodia

Our best Vietnam Airlines deals on London to Cambodia flight tickets
Vietnam Airlines
1 Jun
LHR18:55London Heathrow
16h 15m
1 stop
SAI17:10Siem Reap–Angkor Intl
16 Jun
SAI18:05Siem Reap–Angkor Intl
28h 50m
1 stop
LHR16:55London Heathrow
£768
Vietnam Airlines
9 Apr
LHR18:55London Heathrow
17h 25m
1 stop
SAI18:20Siem Reap–Angkor Intl
5 May
SAI18:05Siem Reap–Angkor Intl
28h 50m
1 stop
LHR16:55London Heathrow
£1,128
Vietnam Airlines
9 Apr
LHR18:55London Heathrow
17h 25m
1 stop
SAI18:20Siem Reap–Angkor Intl
6 May
SAI19:10Siem Reap–Angkor Intl
27h 45m
1 stop
LHR16:55London Heathrow
£1,154

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 9 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

Mon 1/6

09:30-11:15

2 stops19h 45m

Siem Reap–Angkor Intl

Tue 16/6

15:10-12:45

2 stops27h 35m

£573

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Mon 1/6

20:50-11:10

3 stops32h 20m

Siem Reap–Angkor Intl

Tue 16/6

19:05-18:45

2 stops29h 40m

£625

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Mon 1/6

20:50-13:15

3 stops34h 25m

Siem Reap–Angkor Intl

Tue 16/6

15:10-18:45

2 stops33h 35m

£635

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Wed 6/5

20:45-13:15

3 stops34h 30m

Siem Reap–Angkor Intl

Thu 21/5

15:10-15:05

2 stops29h 55m

£638
Fastest return journey

LondonKrong Preah Sihanouk

LGW - KOS

LGWKOS

London Gatwick

Sun 28/6

10:25-13:00

2 stops20h 35m

Krong Preah Sihanouk Sihanoukville

Thu 16/7

12:15-07:05

2 stops24h 50m

£653

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Tue 28/4

21:05-21:30

2 stops42h 25m

Siem Reap–Angkor Intl

Tue 19/5

23:50-18:45

2 stops24h 55m

£706

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Tue 28/4

21:05-21:30

2 stops42h 25m

Siem Reap–Angkor Intl

Tue 19/5

23:50-18:45

2 stops24h 55m

£707

LondonSiem Reap

LCY - SAI

LCYSAI

London City

Mon 1/6

09:15-19:05

2 stops27h 50m

Siem Reap–Angkor Intl

Tue 16/6

09:40-08:40

2 stops29h 00m

£1,046

LondonSiem Reap

LCY - SAI

LCYSAI

London City

Mon 1/6

09:15-19:05

2 stops27h 50m

Siem Reap–Angkor Intl

Tue 16/6

09:40-08:40

2 stops29h 00m

£1,047

LondonSiem Reap

LCY - SAI

LCYSAI

London City

Tue 28/4

10:00-12:20

2 stops20h 20m

Siem Reap–Angkor Intl

Tue 19/5

19:45-18:30

2 stops28h 45m

£1,222

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, 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 £521. 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 £546.

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 £705 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 £588 on momondo.

Can stopping save me money on London to Cambodia flights?

You could potentially save up to 21% 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

16h 20m

Direct flights

None
The fastest flight from London to Cambodia takes 16h 20m
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 £267Free CancellationRating
7.3
146 reviews
Search Air China flights
China SouthernPriceFrom £363Free CancellationRating
7.4
146 reviews
Search China Southern flights
Shenzhen AirlinesPriceFrom £415Free CancellationRating
7.8
25 reviews
Search Shenzhen Airlines flights
Etihad AirwaysPriceFrom £515Free CancellationRating
7.3
1,428 reviews
Search Etihad Airways flights
China EasternPriceFrom £523Free CancellationRating
7.2
200 reviews
Search China Eastern flights
Austrian AirlinesPriceFrom £540Free CancellationRating
7.6
905 reviews
Search Austrian Airlines flights
Singapore AirlinesPriceFrom £563Free CancellationRating
8.2
1,491 reviews
Search Singapore Airlines flights
Malaysia AirlinesPriceFrom £588Free CancellationRating
7.4
305 reviews
Search Malaysia Airlines flights
LufthansaPriceFrom £599Free CancellationRating
6.8
7,900 reviews
Search Lufthansa flights
Vietnam AirlinesPriceFrom £620Free CancellationRating
7.7
255 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

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1 adult
Sat 9/5
Sat 16/5

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