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Cheap flights from London to Cambodia from £372

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 30/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KTI
3 Jul — 10 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap 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 3 June 2026.

Tue 15/912:20
LHR
-
SAI
2 stops24h 35m
Multiple Airlines
Wed 23/909:40
SAI
-
LHR
2 stops18h 05m
Multiple Airlines
Deal found 2/6£593
Tue 15/909:25
LGW
-
SAI
2 stops27h 30m
SWISS
Wed 23/909:40
SAI
-
LGW
2 stops28h 45m
SWISS
Deal found 2/6£595
Mon 14/918:40
LHR
-
SAI
2 stops33h 00m
SWISS
Tue 22/909:40
SAI
-
LHR
2 stops18h 05m
SWISS
Deal found 2/6£602
Wed 15/714:45
LHR
-
SAI
2 stops38h 30m
Etihad Airways
Sat 25/715:10
SAI
-
LHR
2 stops21h 50m
Etihad Airways
Deal found 2/6£604
Fri 25/906:00
LHR
-
SAI
2 stops30h 55m
Austrian Airlines
Tue 29/912:55
SAI
-
LHR
2 stops25h 25m
Austrian Airlines
Deal found 2/6£611
Fri 3/709:30
LHR
-
SAI
2 stops19h 45m
Etihad Airways
Fri 10/715:10
SAI
-
LHR
2 stops33h 35m
Etihad Airways
Deal found 1/6£614
Thu 2/714:45
LHR
-
SAI
2 stops38h 30m
Etihad Airways
Thu 9/715:10
SAI
-
LHR
2 stops29h 55m
Etihad Airways
Deal found 2/6£617
Thu 29/1010:30
LGW
-
SAI
2 stops51h 30m
China Eastern
Sat 7/1122:00
SAI
-
LGW
2 stops47h 00m
China Eastern
Deal found 29/5£617
Tue 15/913:10
LCY
-
SAI
2 stops23h 45m
SWISS
Wed 23/909:40
SAI
-
LCY
2 stops29h 00m
SWISS
Deal found 2/6£625
Wed 29/720:45
LHR
-
SAI
2 stops32h 30m
Etihad Airways
Sat 15/815:10
SAI
-
LHR
2 stops33h 35m
Etihad Airways
Deal found 29/5£642
Wed 29/714:45
LHR
-
SAI
2 stops38h 30m
Etihad Airways
Tue 18/815:10
SAI
-
LHR
2 stops33h 35m
Etihad Airways
Deal found 29/5£655
Mon 27/721:45
LHR
-
SAI
2 stops31h 30m
Etihad Airways
Fri 31/715:10
SAI
-
LHR
2 stops45h 50m
Etihad Airways
Deal found 3/6£665

Find flight deals from London to Cambodia

Keep the following information in mind while searching for London to Cambodia flight deals. Data was last updated 3 June 2026.

Round-trip from

£593

One-way from

£372

Popular in

July

Cheapest in

November

Average price

£604
SWISS
  • SWISS
  • 15/9-23/9
  • 4 total stops
  • 42h 40m total
  • London to Cambodia
Search Deals
30/8
  • 30/8
  • 3 total stops
  • 37h 10m total
  • London to Cambodia
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£85 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 3 June 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

LCY - SAI

LCYSAI

London City

Tue 15/9

13:10-18:55

2 stops23h 45m

Siem Reap–Angkor Intl

Wed 23/9

09:40-08:40

2 stops29h 00m

£625

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Wed 29/7

20:45-11:15

2 stops32h 30m

Siem Reap–Angkor Intl

Tue 18/8

19:20-18:45

2 stops29h 25m

£657

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Mon 27/7

21:45-11:15

2 stops31h 30m

Siem Reap–Angkor Intl

Fri 31/7

15:10-07:00

2 stops45h 50m

£665

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Tue 10/11

21:00-21:00

2 stops41h 00m

Siem Reap–Angkor Intl

Sat 5/12

22:00-17:30

2 stops50h 30m

£697

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Mon 2/11

10:30-21:00

2 stops27h 30m

Siem Reap–Angkor Intl

Sat 7/11

22:00-14:00

2 stops47h 00m

£717

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Wed 28/10

14:05-21:10

2 stops24h 05m

Siem Reap–Angkor Intl

Tue 17/11

23:50-17:55

2 stops25h 05m

£728

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Mon 14/9

14:55-21:30

2 stops24h 35m

Siem Reap–Angkor Intl

Tue 22/9

23:50-12:55

2 stops19h 05m

£751

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Sun 1/11

20:15-21:10

2 stops41h 55m

Siem Reap–Angkor Intl

Thu 12/11

23:50-17:55

2 stops25h 05m

£758

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Tue 3/11

22:00-21:10

2 stops40h 10m

Siem Reap–Angkor Intl

Tue 17/11

23:50-18:20

2 stops25h 30m

£760

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Thu 2/7

21:05-21:30

2 stops42h 25m

Siem Reap–Angkor Intl

Thu 9/7

23:50-18:45

2 stops24h 55m

£760

Flights are sorted by cheapest return flights first.

Deals found on 29/5

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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, October is the cheapest month in which you can book a flight from London to Cambodia (average of £268). Flying from London to Cambodia in December is currently the most expensive (average of £1,166). 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.

How far ahead should I book a flight from London to Cambodia?

The price you pay for your flight from London to Cambodia may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 3 June 2026.
Check out reviews from past customers who have flown with Singapore Airlines,Thai Airways, andChina Southern 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
8.2
Very Good
1,528 reviews
Check prices

Crew

8.6

Food

7.8

Comfort

8.0

Entertainment

8.1

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
Singapore Airlines
8.2
Very Good
1,528 reviews
Singapore Airlines
8.2
Very Good
1,528 reviews
Check prices

Crew

8.6

Food

7.8

Comfort

8.0

Entertainment

8.1

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
Thai Airways
7.9
Good
404 reviews
Singapore Airlines
8.2
Very Good
1,528 reviews
Check prices

Crew

8.6

Food

7.8

Comfort

8.0

Entertainment

8.1

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
China Southern
7.5
Good
153 reviews
Singapore Airlines
8.2
Very Good
1,528 reviews
Check prices

Crew

8.6

Food

7.8

Comfort

8.0

Entertainment

8.1

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
Etihad Airways
7.3
Good
1,444 reviews
Singapore Airlines
8.2
Very Good
1,528 reviews
Check prices

Crew

8.6

Food

7.8

Comfort

8.0

Entertainment

8.1

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
Air China
7.3
Good
154 reviews
Singapore Airlines
8.2
Very Good
1,528 reviews
Check prices

Crew

8.6

Food

7.8

Comfort

8.0

Entertainment

8.1

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

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 23h 45m. SWISS provides one of the quickest options available for as low as £625. London and Cambodia are separated by a distance of 6084 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?

    £240 is the cheapest one-way deal found within the past few days, from Etihad Airways. You may also be able to find cheap deals on China Southern and Malaysia Airlines, with prices starting from £288 and £364, 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 Stansted - 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, October is the cheapest month in which you can book a flight from London to Cambodia (average of £268). Flying from London to Cambodia in December is currently the most expensive (average of £1,166). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 3 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£267Average£450FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest£362Average£493FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Shenzhen AirlinesCheapest£437Average£497FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Etihad AirwaysCheapest£508Average£635FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Austrian AirlinesCheapest£538Average£683FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Singapore AirlinesCheapest£561Average£812FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
China EasternCheapest£576Average£648FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Malaysia AirlinesCheapest£586Average£717FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
LufthansaCheapest£597Average£766FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Vietnam AirlinesCheapest£618Average£813FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines 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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