Cheap flights from London to Cambodia from £343

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 27/5. 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

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Find the cheapest flights from London to Cambodia

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
16:15 - 19:05
LHR
-
SAI
20h 50m
2 stops
Multiple Airlines Logo
19:35 - 07:30
SAI
-
LHR
41h 55m
2 stops
£629Multiple Airlines
Mon, 1 Jun - Mon, 15 Jun
Multiple Airlines Logo
08:40 - 21:30
LGW
-
SAI
30h 50m
3 stops
Multiple Airlines Logo
19:35 - 06:55
SAI
-
LGW
41h 20m
2 stops
£634Multiple Airlines
Mon, 1 Jun - Mon, 15 Jun
Multiple Airlines Logo
08:30 - 19:05
STN
-
SAI
28h 35m
3 stops
Multiple Airlines Logo
09:40 - 13:40
SAI
-
STN
34h 00m
3 stops
£679Multiple Airlines
Tue, 26 May - Tue, 16 Jun
Multiple Airlines Logo
06:55 - 14:50
LGW
-
SAI
25h 55m
3 stops
Multiple Airlines Logo
15:35 - 19:45
SAI
-
LGW
34h 10m
2 stops
£715Multiple Airlines
Mon, 18 May - Mon, 25 May
Emirates Logo
21:05 - 21:30
STN
-
SAI
18h 25m
2 stops
Emirates Logo
13:05 - 12:55
SAI
-
STN
29h 50m
2 stops
£738Emirates
Mon, 18 May - Mon, 25 May
Emirates Logo
21:05 - 21:30
STN
-
SAI
18h 25m
2 stops
Emirates Logo
12:55 - 18:45
SAI
-
STN
35h 50m
2 stops
£740Emirates
Mon, 1 Jun - Mon, 15 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
£832SWISS
Tue, 26 May - Tue, 16 Jun
SWISS Logo
13:10 - 19:05
LCY
-
SAI
23h 55m
2 stops
SWISS Logo
09:45 - 08:25
SAI
-
LCY
28h 40m
2 stops
£1,042SWISS
Thu, 14 May - Fri, 22 May
KLM Logo
09:20 - 12:15
LCY
-
SAI
20h 55m
2 stops
KLM Logo
19:35 - 20:15
SAI
-
LCY
30h 40m
2 stops
£1,402KLM
Tue, 1 Sep - Sat, 10 Oct
KLM Logo
08:25 - 12:20
LCY
-
SAI
21h 55m
2 stops
KLM Logo
19:45 - 19:45
SAI
-
LCY
30h 00m
2 stops
£1,406KLM
Thu, 30 Apr - Tue, 26 May

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Emirates flights from London to Cambodia

Our best Emirates deals on London to Cambodia flight tickets
Emirates
23 Apr
STN21:05London Stansted
42h 25m
2 stops
SAI21:30Siem Reap–Angkor Intl
5 May
SAI23:50Siem Reap–Angkor Intl
24h 55m
2 stops
STN18:45London Stansted
£719
Emirates
23 Apr
LGW21:45London Gatwick
41h 45m
2 stops
SAI21:30Siem Reap–Angkor Intl
5 May
SAI23:50Siem Reap–Angkor Intl
37h 30m
2 stops
LGW07:20London Gatwick
£725
Emirates
23 Apr
STN21:05London Stansted
42h 25m
2 stops
SAI21:30Siem Reap–Angkor Intl
5 May
SAI23:50Siem Reap–Angkor Intl
24h 55m
2 stops
STN18:45London Stansted
£736

SWISS flights from London to Cambodia

Our best SWISS deals on London to Cambodia flight tickets
SWISS
26 May
LGW09:25London Gatwick
27h 40m
2 stops
SAI19:05Siem Reap–Angkor Intl
16 Jun
SAI09:40Siem Reap–Angkor Intl
28h 45m
2 stops
LGW08:25London Gatwick
£775
SWISS
26 May
LCY09:15London City
27h 50m
2 stops
SAI19:05Siem Reap–Angkor Intl
16 Jun
SAI09:40Siem Reap–Angkor Intl
29h 00m
2 stops
LCY08:40London City
£832
SWISS
14 May
LCY13:10London City
23h 55m
2 stops
SAI19:05Siem Reap–Angkor Intl
22 May
SAI09:45Siem Reap–Angkor Intl
28h 40m
2 stops
LCY08:25London City
£1,042

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 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

16:15-19:05

2 stops20h 50m

Siem Reap–Angkor Intl

Mon 15/6

19:35-07:30

2 stops41h 55m

£629

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Mon 1/6

08:40-21:30

3 stops30h 50m

Siem Reap–Angkor Intl

Mon 15/6

19:35-06:55

2 stops41h 20m

£634

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Tue 26/5

08:30-19:05

3 stops28h 35m

Siem Reap–Angkor Intl

Tue 16/6

09:40-13:40

3 stops34h 00m

£679

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Mon 18/5

06:55-14:50

3 stops25h 55m

Siem Reap–Angkor Intl

Mon 25/5

15:35-19:45

2 stops34h 10m

£715
Fastest return journey

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Mon 18/5

21:05-21:30

2 stops18h 25m

Siem Reap–Angkor Intl

Mon 25/5

13:05-12:55

2 stops29h 50m

£738

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Mon 1/6

21:05-21:30

2 stops18h 25m

Siem Reap–Angkor Intl

Mon 15/6

12:55-18:45

2 stops35h 50m

£740

LondonSiem Reap

LCY - SAI

LCYSAI

London City

Tue 26/5

09:15-19:05

2 stops27h 50m

Siem Reap–Angkor Intl

Tue 16/6

09:40-08:40

2 stops29h 00m

£832

LondonSiem Reap

LCY - SAI

LCYSAI

London City

Thu 14/5

13:10-19:05

2 stops23h 55m

Siem Reap–Angkor Intl

Fri 22/5

09:45-08:25

2 stops28h 40m

£1,042

LondonSiem Reap

LCY - SAI

LCYSAI

London City

Tue 1/9

09:20-12:15

2 stops20h 55m

Siem Reap–Angkor Intl

Sat 10/10

19:35-20:15

2 stops30h 40m

£1,402

LondonSiem Reap

LCY - SAI

LCYSAI

London City

Thu 30/4

08:25-12:20

2 stops21h 55m

Siem Reap–Angkor Intl

Tue 26/5

19:45-19:45

2 stops30h 00m

£1,406

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, 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 £517. 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 £542.

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 £699 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 £583 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

18h 25m

Direct flights

None
The fastest flight from London to Cambodia takes 18h 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 £265Free CancellationRating
7.3
146 reviews
Search Air China flights
China SouthernPriceFrom £360Free CancellationRating
7.4
149 reviews
Search China Southern flights
Etihad AirwaysPriceFrom £371Free CancellationRating
7.3
1,431 reviews
Search Etihad Airways flights
Shenzhen AirlinesPriceFrom £412Free CancellationRating
7.8
25 reviews
Search Shenzhen Airlines flights
China EasternPriceFrom £532Free CancellationRating
7.3
207 reviews
Search China Eastern flights
Austrian AirlinesPriceFrom £536Free CancellationRating
7.6
904 reviews
Search Austrian Airlines flights
Singapore AirlinesPriceFrom £559Free CancellationRating
8.2
1,499 reviews
Search Singapore Airlines flights
Malaysia AirlinesPriceFrom £584Free CancellationRating
7.4
305 reviews
Search Malaysia Airlines flights
LufthansaPriceFrom £594Free CancellationRating
6.8
7,931 reviews
Search Lufthansa flights
Vietnam AirlinesPriceFrom £615Free CancellationRating
7.7
259 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 19/5
Tue 26/5

Find better results for your trip to Cambodia

Popular Cities in Cambodia

Popular flights according to clicks in the last 7 days on momondo