Cheap flights from London to Cambodia from £351

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
0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
08:30 - 21:30
STN
-
SAI
31h 00m
3 stops
Multiple Airlines Logo
12:55 - 18:55
SAI
-
STN
36h 00m
3 stops
£637Multiple Airlines
Mon, 1 Jun - Tue, 23 Jun
Multiple Airlines Logo
08:15 - 21:30
LTN
-
SAI
31h 15m
3 stops
Multiple Airlines Logo
09:40 - 14:35
SAI
-
LTN
34h 55m
3 stops
£641Multiple Airlines
Mon, 1 Jun - Tue, 23 Jun
Multiple Airlines Logo
08:40 - 21:30
LGW
-
SAI
30h 50m
3 stops
Multiple Airlines Logo
09:40 - 11:30
SAI
-
LGW
31h 50m
3 stops
£674Multiple Airlines
Mon, 1 Jun - Tue, 23 Jun
Multiple Airlines Logo
15:15 - 21:30
LTN
-
SAI
24h 15m
3 stops
Multiple Airlines Logo
12:55 - 19:55
SAI
-
LTN
37h 00m
3 stops
£688Multiple Airlines
Mon, 1 Jun - Tue, 23 Jun
Emirates Logo
14:55 - 21:30
STN
-
SAI
24h 35m
2 stops
Emirates Logo
23:50 - 18:45
SAI
-
STN
24h 55m
2 stops
£717Emirates
Mon, 1 Jun - Tue, 23 Jun
Emirates Logo
14:55 - 21:30
STN
-
SAI
24h 35m
2 stops
Emirates Logo
23:50 - 18:45
SAI
-
STN
24h 55m
2 stops
£727Emirates
Mon, 1 Jun - Tue, 23 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
£1,059SWISS
Mon, 1 Jun - Tue, 23 Jun
SWISS Logo
09:15 - 18:45
LCY
-
SAI
27h 30m
2 stops
SWISS Logo
09:45 - 08:40
SAI
-
LCY
28h 55m
2 stops
£1,063SWISS
Wed, 29 Apr - Wed, 20 May
KLM Logo
08:25 - 12:20
LCY
-
SAI
21h 55m
2 stops
KLM Logo
19:45 - 18:30
SAI
-
LCY
28h 45m
2 stops
£1,271KLM
Tue, 28 Apr - Tue, 19 May
KLM Logo
08:25 - 12:20
LCY
-
SAI
21h 55m
2 stops
KLM Logo
19:45 - 19:45
SAI
-
LCY
30h 00m
2 stops
£1,275KLM
Tue, 28 Apr - Tue, 19 May

SWISS flights from London to Cambodia

Our best SWISS deals on London to Cambodia flight tickets
SWISS
1 Jun
LCY09:15London City
27h 50m
2 stops
SAI19:05Siem Reap–Angkor Intl
23 Jun
SAI09:40Siem Reap–Angkor Intl
29h 00m
2 stops
LCY08:40London City
£1,059
SWISS
29 Apr
LCY09:15London City
27h 30m
2 stops
SAI18:45Siem Reap–Angkor Intl
20 May
SAI09:45Siem Reap–Angkor Intl
28h 55m
2 stops
LCY08:40London City
£1,063
SWISS
29 Apr
LCY09:15London City
27h 30m
2 stops
SAI18:45Siem Reap–Angkor Intl
25 May
SAI09:45Siem Reap–Angkor Intl
28h 55m
2 stops
LCY08:40London City
£1,180

Emirates flights from London to Cambodia

Our best Emirates deals on London to Cambodia flight tickets
Emirates
1 Jun
STN14:55London Stansted
24h 35m
2 stops
SAI21:30Siem Reap–Angkor Intl
23 Jun
SAI23:50Siem Reap–Angkor Intl
24h 55m
2 stops
STN18:45London Stansted
£717
Emirates
1 Jun
STN14:55London Stansted
24h 35m
2 stops
SAI21:30Siem Reap–Angkor Intl
23 Jun
SAI23:50Siem Reap–Angkor Intl
24h 55m
2 stops
STN18:45London Stansted
£727
Emirates
7 Jun
STN21:05London Stansted
42h 25m
2 stops
SAI21:30Siem Reap–Angkor Intl
30 Jun
SAI23:50Siem Reap–Angkor Intl
24h 55m
2 stops
STN18:45London Stansted
£735

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 13 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

STN - SAI

STNSAI

London Stansted

Mon 1/6

08:30-21:30

3 stops31h 00m

Siem Reap–Angkor Intl

Tue 23/6

12:55-18:55

3 stops36h 00m

£637

LondonSiem Reap

LTN - SAI

LTNSAI

London Luton

Mon 1/6

08:15-21:30

3 stops31h 15m

Siem Reap–Angkor Intl

Tue 23/6

09:40-14:35

3 stops34h 55m

£641

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Mon 1/6

08:40-21:30

3 stops30h 50m

Siem Reap–Angkor Intl

Tue 23/6

09:40-11:30

3 stops31h 50m

£674

LondonSiem Reap

LTN - SAI

LTNSAI

London Luton

Mon 1/6

15:15-21:30

3 stops24h 15m

Siem Reap–Angkor Intl

Tue 23/6

12:55-19:55

3 stops37h 00m

£688
Fastest return journey

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Mon 1/6

14:55-21:30

2 stops24h 35m

Siem Reap–Angkor Intl

Tue 23/6

23:50-18:45

2 stops24h 55m

£717

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Mon 1/6

14:55-21:30

2 stops24h 35m

Siem Reap–Angkor Intl

Tue 23/6

23:50-18:45

2 stops24h 55m

£727

LondonSiem Reap

LCY - SAI

LCYSAI

London City

Mon 1/6

09:15-19:05

2 stops27h 50m

Siem Reap–Angkor Intl

Tue 23/6

09:40-08:40

2 stops29h 00m

£1,059

LondonSiem Reap

LCY - SAI

LCYSAI

London City

Wed 29/4

09:15-18:45

2 stops27h 30m

Siem Reap–Angkor Intl

Wed 20/5

09:45-08:40

2 stops28h 55m

£1,063

LondonSiem Reap

LCY - SAI

LCYSAI

London City

Tue 28/4

08:25-12:20

2 stops21h 55m

Siem Reap–Angkor Intl

Tue 19/5

19:45-18:30

2 stops28h 45m

£1,271

LondonSiem Reap

LCY - SAI

LCYSAI

London City

Tue 28/4

08:25-12:20

2 stops21h 55m

Siem Reap–Angkor Intl

Tue 19/5

19:45-19:45

2 stops30h 00m

£1,275

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 £520. 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 £545.

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 £703 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 £586 on momondo.

Can stopping save me money on London to Cambodia flights?

You could potentially save up to 24% 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 45m

Direct flights

None
The fastest flight from London to Cambodia takes 17h 45m
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 £362Free CancellationRating
7.4
146 reviews
Search China Southern flights
Shenzhen AirlinesPriceFrom £414Free CancellationRating
7.8
25 reviews
Search Shenzhen Airlines flights
Etihad AirwaysPriceFrom £509Free CancellationRating
7.3
1,430 reviews
Search Etihad Airways flights
China EasternPriceFrom £522Free CancellationRating
7.2
202 reviews
Search China Eastern flights
Austrian AirlinesPriceFrom £538Free CancellationRating
7.6
904 reviews
Search Austrian Airlines flights
Singapore AirlinesPriceFrom £561Free CancellationRating
8.2
1,493 reviews
Search Singapore Airlines flights
Malaysia AirlinesPriceFrom £587Free CancellationRating
7.4
305 reviews
Search Malaysia Airlines flights
LufthansaPriceFrom £597Free CancellationRating
6.8
7,920 reviews
Search Lufthansa flights
Vietnam AirlinesPriceFrom £618Free CancellationRating
7.7
258 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
Wed 13/5
Wed 20/5

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