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Cheap flights from London to Cambodia from £239

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KTI
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Cambodia

Keep the following information in mind while searching for London to Cambodia flight deals. Data was last updated 16 January 2026.

Round-trip from

£540

One-way from

£239

Popular in

July

Cheapest in

November

Average price

£598
18/2-23/3
  • 18/2-23/3
  • 4 total stops
  • 50h 30m total
  • London to Cambodia
Search Deals
24/1
  • 24/1
  • 2 total stops
  • 42h 30m total
  • London to Cambodia
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£82 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from London to Cambodia

Enter your travel dates to find the best prices.

Cheapest flights from London to Cambodia
Explore the most affordable flight options available from London to Cambodia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 January 2026.

Wed 18/210:30
LGW
-
SAI
2 stops24h 35m
Multiple Airlines
Mon 23/319:05
SAI
-
LGW
2 stops25h 55m
Multiple Airlines
Deal found 14/1£540
Thu 14/516:25
LHR
-
SAI
2 stops20h 20m
Multiple Airlines
Tue 2/609:40
SAI
-
LHR
2 stops18h 05m
Multiple Airlines
Deal found 14/1£545
Tue 17/319:25
LHR
-
SAI
2 stops16h 20m
Multiple Airlines
Tue 16/609:40
SAI
-
LHR
2 stops18h 05m
Multiple Airlines
Deal found 14/1£547
Sat 21/1118:40
LHR
-
SAI
2 stops32h 10m
SWISS
Tue 1/1209:55
SAI
-
LHR
2 stops18h 45m
SWISS
Deal found 14/1£548
Fri 15/516:25
LHR
-
SAI
2 stops20h 20m
Lufthansa
Mon 1/610:30
SAI
-
LHR
2 stops29h 25m
Lufthansa
Deal found 14/1£554
Fri 15/513:40
LHR
-
SAI
2 stops23h 05m
Multiple Airlines
Tue 2/609:40
SAI
-
LHR
2 stops28h 15m
Multiple Airlines
Deal found 14/1£559
Wed 11/310:30
LGW
-
SAI
2 stops24h 35m
Multiple Airlines
Fri 27/319:05
SAI
-
LGW
2 stops25h 55m
Multiple Airlines
Deal found 13/1£566
Thu 14/519:15
LCY
-
SAI
2 stops32h 25m
SWISS
Tue 2/610:30
SAI
-
LCY
2 stops28h 10m
SWISS
Deal found 14/1£579
Fri 15/519:15
LCY
-
SAI
2 stops41h 30m
Multiple Airlines
Tue 2/609:40
SAI
-
LCY
2 stops29h 00m
Multiple Airlines
Deal found 14/1£588
Sun 1/1109:00
LHR
-
SAI
2 stops41h 50m
SWISS
Sun 15/1109:55
SAI
-
LHR
2 stops18h 45m
SWISS
Deal found 14/1£594
Fri 15/511:35
LGW
-
SAI
2 stops39h 10m
Multiple Airlines
Mon 1/621:10
SAI
-
LGW
2 stops47h 50m
Multiple Airlines
Deal found 14/1£600
Sun 1/307:25
STN
-
SAI
3 stops25h 40m
Multiple Airlines
Sun 8/318:10
SAI
-
STN
2 stops35h 05m
Multiple Airlines
Deal found 15/1£610

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 16 January 2026.
Use the filters below to find and compare flights from London to Cambodia that are best for you.

Fly from

London

Fly to

Cambodia

Route

Depart

Return

Price

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Wed 18/2

10:30-18:05

2 stops24h 35m

Siem Reap–Angkor Intl

Mon 23/3

19:05-14:00

2 stops25h 55m

£540

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Tue 17/3

19:25-18:45

2 stops16h 20m

Siem Reap–Angkor Intl

Tue 16/6

09:40-21:45

2 stops18h 05m

£547

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Fri 15/5

13:40-18:45

2 stops23h 05m

Siem Reap–Angkor Intl

Tue 2/6

09:40-07:55

2 stops28h 15m

£559

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Wed 11/3

10:30-18:05

2 stops24h 35m

Siem Reap–Angkor Intl

Fri 27/3

19:05-14:00

2 stops25h 55m

£566

LondonSiem Reap

LCY - SAI

LCYSAI

London City

Thu 14/5

19:15-09:40

2 stops32h 25m

Siem Reap–Angkor Intl

Tue 2/6

10:30-08:40

2 stops28h 10m

£579

LondonSiem Reap

LCY - SAI

LCYSAI

London City

Fri 15/5

19:15-18:45

2 stops41h 30m

Siem Reap–Angkor Intl

Tue 2/6

09:40-08:40

2 stops29h 00m

£588

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Sun 1/3

07:25-16:05

3 stops25h 40m

Siem Reap–Angkor Intl

Sun 8/3

18:10-22:15

2 stops35h 05m

£610

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Fri 15/5

11:35-08:45

2 stops39h 10m

Siem Reap–Angkor Intl

Mon 1/6

21:10-06:40

3 stops39h 30m

£613

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Fri 15/5

09:25-18:45

2 stops27h 20m

Siem Reap–Angkor Intl

Tue 2/6

09:40-08:20

2 stops28h 40m

£625

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Thu 14/5

09:25-18:45

2 stops27h 20m

Siem Reap–Angkor Intl

Tue 2/6

09:40-08:20

2 stops28h 40m

£625

Flights are sorted by cheapest return flights first.

Deals found on 15/1

Showing 1-10 of 60 results
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Best time to book a flight from London to Cambodia

Have a flexible travel schedule? Discover the best time to fly to Cambodia from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Cambodia

What is the cheapest month to book a flight from London to Cambodia?

Currently, September is the cheapest month in which you can book a flight from London to Cambodia (average of £363). Flying from London to Cambodia in July is currently the most expensive (average of £685). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How often are flights from London to Cambodia delayed?

About 0% of weekly flights between London and Cambodia have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for London to Cambodia flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Reviews of airlines servicing Cambodia

Get insights into the airlines that provide service to Cambodia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cambodia. Reviews last updated 16 January 2026.
Check out reviews from past customers who have flown with Singapore Airlines, Thai Airways, andEtihad Airways from London to Cambodia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,431 reviews
Check prices

Food

7.8

Boarding

8.3

Overall

8.1

Crew

8.6

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Singapore Airlines
8.1
Very Good
1,431 reviews
Singapore Airlines
8.1
Very Good
1,431 reviews
Check prices

Food

7.8

Boarding

8.3

Overall

8.1

Crew

8.6

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Thai Airways
7.8
Good
378 reviews
Singapore Airlines
8.1
Very Good
1,431 reviews
Check prices

Food

7.8

Boarding

8.3

Overall

8.1

Crew

8.6

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Etihad Airways
7.3
Good
1,370 reviews
Singapore Airlines
8.1
Very Good
1,431 reviews
Check prices

Food

7.8

Boarding

8.3

Overall

8.1

Crew

8.6

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
China Southern
7.3
Good
133 reviews
Singapore Airlines
8.1
Very Good
1,431 reviews
Check prices

Food

7.8

Boarding

8.3

Overall

8.1

Crew

8.6

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Air China
7.2
Good
137 reviews
Singapore Airlines
8.1
Very Good
1,431 reviews
Check prices

Food

7.8

Boarding

8.3

Overall

8.1

Crew

8.6

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Related info for your journey

Find useful and relevant information for your journey from London to Cambodia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London to Cambodia?

    A quick flight from London to Cambodia can take about 20h 20m. SWISS provides one of the quickest options available for as low as £626. London and Cambodia are separated by a distance of 6106 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from London to Cambodia one-way?

    £192 is the cheapest one-way deal found within the past few days, from Shenzhen Airlines. You may also be able to find cheap deals on China Southern and Singapore Airlines, with prices starting from £302 and £313, respectively.

  • What are the most popular routes from London to Cambodia?

    The most popular route from London to Cambodia is London Heathrow - Siem Reap–Angkor Intl. You may also consider London Gatwick - Siem Reap–Angkor Intl or London City - Siem Reap–Angkor Intl.

  • Can I find deals for flights from London to Cambodia that include hotel bookings?

    Yes. In addition to deals on London to Cambodia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Cambodia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Cambodia.

  • Can I find deals for business class flights from London to Cambodia?

    Yes. Cheapflights offers flight deals from London to Cambodia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to Cambodia?

    Currently, September is the cheapest month in which you can book a flight from London to Cambodia (average of £363). Flying from London to Cambodia in July is currently the most expensive (average of £685). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Cambodia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from London to Cambodia

Discover the top 10 airlines that operate flights from London to Cambodia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£268Average£438FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest£363Average£492FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Shenzhen AirlinesCheapest£417Average£471FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China EasternCheapest£513Average£600FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Etihad AirwaysCheapest£516Average£627FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Austrian AirlinesCheapest£540Average£691FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Singapore AirlinesCheapest£566Average£804FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Malaysia AirlinesCheapest£589Average£720FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Vietnam AirlinesCheapest£616Average£718FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
British AirwaysCheapest£648Average£827FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Cambodia?

Cheapflights makes it easy to find London to Cambodia flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from London to Cambodia?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Cambodia for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to Cambodia with no change fees?

Certainly. Search results for flights to Cambodia from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from London to Cambodia become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Cambodia from London today and book when prices fit your budget.

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