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Cheap flights from London to Cambodia from £373

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KTI
7 May — 14 May1
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 7 April 2026.

Mon 1/609:30
LHR
-
SAI
2 stops19h 45m
Multiple Airlines
Tue 16/615:10
SAI
-
LHR
2 stops27h 35m
Multiple Airlines
Deal found 5/4£581
Wed 6/520:45
LHR
-
SAI
3 stops34h 30m
Multiple Airlines
Thu 21/515:10
SAI
-
LHR
2 stops29h 55m
Multiple Airlines
Deal found 5/4£647
Thu 3/910:25
LGW
-
KOS
2 stops20h 35m
Multiple Airlines
Wed 30/913:30
KOS
-
LGW
2 stops24h 00m
Multiple Airlines
Deal found 3/4£652
Tue 10/1121:00
LHR
-
SAI
3 stops41h 00m
China Eastern
Sat 28/1122:00
SAI
-
LHR
2 stops50h 30m
China Eastern
Deal found 5/4£652
Tue 10/1121:00
LHR
-
SAI
2 stops41h 00m
China Eastern
Thu 3/1222:00
SAI
-
LHR
2 stops50h 30m
China Eastern
Deal found 3/4£653
Fri 4/911:35
LGW
-
SAI
2 stops52h 20m
Multiple Airlines
Wed 14/1021:10
SAI
-
LGW
3 stops39h 30m
Multiple Airlines
Deal found 3/4£654
Sun 28/610:25
LGW
-
KOS
2 stops20h 35m
Multiple Airlines
Thu 16/712:15
KOS
-
LGW
2 stops24h 50m
Multiple Airlines
Deal found 6/4£662
Thu 5/1109:25
LGW
-
KOS
2 stops20h 40m
Multiple Airlines
Tue 1/1212:15
KOS
-
LGW
2 stops25h 10m
Multiple Airlines
Deal found 3/4£664
Tue 19/509:30
LHR
-
KOS
2 stops21h 30m
Multiple Airlines
Tue 26/512:15
KOS
-
LHR
2 stops24h 45m
Multiple Airlines
Deal found 4/4£664
Mon 9/1109:25
LGW
-
SAI
2 stops22h 35m
Multiple Airlines
Mon 23/1115:45
SAI
-
LGW
2 stops21h 40m
Multiple Airlines
Deal found 4/4£679
Fri 4/920:05
LHR
-
SAI
2 stops55h 35m
SWISS
Wed 14/1009:40
SAI
-
LHR
2 stops18h 05m
SWISS
Deal found 3/4£683
Wed 6/506:15
LTN
-
SAI
3 stops30h 50m
Multiple Airlines
Thu 21/515:10
SAI
-
LTN
3 stops29h 25m
Multiple Airlines
Deal found 5/4£685

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 7 April 2026.

Round-trip from

£581

One-way from

£373

Popular in

July

Cheapest in

November

Average price

£708
1/6-16/6
  • 1/6-16/6
  • 4 total stops
  • 47h 20m total
  • London to Cambodia
Search Deals
15/6
  • 15/6
  • 2 total stops
  • 26h 35m 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 April 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 7 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

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Tue 19/5

09:30-13:00

2 stops21h 30m

Krong Preah Sihanouk Sihanoukville

Tue 26/5

12:15-07:00

2 stops24h 45m

£664

LondonSiem Reap

LTN - SAI

LTNSAI

London Luton

Wed 6/5

06:15-19:05

3 stops30h 50m

Siem Reap–Angkor Intl

Thu 21/5

15:10-14:35

3 stops29h 25m

£685

LondonKrong Preah Sihanouk

LGW - KOS

LGWKOS

London Gatwick

Thu 3/9

10:25-13:00

1 stop20h 35m

Krong Preah Sihanouk Sihanoukville

Wed 30/9

13:30-07:30

1 stop24h 00m

£686

LondonSiem Reap

LTN - SAI

LTNSAI

London Luton

Mon 1/6

06:00-11:15

3 stops23h 15m

Siem Reap–Angkor Intl

Tue 16/6

12:55-19:55

3 stops37h 00m

£687

LondonKrong Preah Sihanouk

LGW - KOS

LGWKOS

London Gatwick

Sun 28/6

10:25-13:00

1 stop20h 35m

Krong Preah Sihanouk Sihanoukville

Thu 16/7

12:15-07:05

1 stop24h 50m

£695

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Tue 1/9

21:05-21:30

2 stops42h 25m

Siem Reap–Angkor Intl

Tue 15/9

23:50-18:45

2 stops24h 55m

£717

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Sun 26/4

21:45-21:30

2 stops41h 45m

Siem Reap–Angkor Intl

Tue 19/5

23:50-19:45

2 stops25h 55m

£723

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Mon 27/4

14:35-21:30

2 stops24h 55m

Siem Reap–Angkor Intl

Tue 19/5

23:50-19:45

2 stops25h 55m

£723

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Tue 1/9

23:55-21:30

2 stops39h 35m

Siem Reap–Angkor Intl

Tue 15/9

23:50-19:45

2 stops25h 55m

£724
Fastest return journey

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Mon 1/6

21:05-21:30

2 stops18h 25m

Siem Reap–Angkor Intl

Tue 16/6

23:50-12:55

2 stops19h 05m

£729

Flights are sorted by cheapest return flights first.

Deals found on 5/4

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, September is the cheapest month in which you can book a flight from London to Cambodia (average of £368). Flying from London to Cambodia in July is currently the most expensive (average of £693). 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 7 April 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
1,490 reviews
Check prices

Comfort

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.3

Food

7.8

Overall

8.2

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
1,490 reviews
Singapore Airlines
8.2
Very Good
1,490 reviews
Check prices

Comfort

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.3

Food

7.8

Overall

8.2

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
7.8
Good
395 reviews
Singapore Airlines
8.2
Very Good
1,490 reviews
Check prices

Comfort

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.3

Food

7.8

Overall

8.2

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
7.4
Good
146 reviews
Singapore Airlines
8.2
Very Good
1,490 reviews
Check prices

Comfort

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.3

Food

7.8

Overall

8.2

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
1,428 reviews
Singapore Airlines
8.2
Very Good
1,490 reviews
Check prices

Comfort

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.3

Food

7.8

Overall

8.2

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
146 reviews
Singapore Airlines
8.2
Very Good
1,490 reviews
Check prices

Comfort

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.3

Food

7.8

Overall

8.2

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 35m. Emirates provides one of the quickest options available for as low as £968. 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?

    £293 is the cheapest one-way deal found within the past few days, from China Southern. You may also be able to find cheap deals on Singapore Airlines and Etihad Airways, with prices starting from £324 and £335, 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, September is the cheapest month in which you can book a flight from London to Cambodia (average of £368). Flying from London to Cambodia in July is currently the most expensive (average of £693). 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

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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 7 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£271Average£449FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest£368Average£494FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Shenzhen AirlinesCheapest£421Average£506FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Etihad AirwaysCheapest£523Average£621FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China EasternCheapest£531Average£593FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Austrian AirlinesCheapest£548Average£698FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Singapore AirlinesCheapest£571Average£816FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Malaysia AirlinesCheapest£597Average£730FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
LufthansaCheapest£607Average£780FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Vietnam AirlinesCheapest£629Average£817FlexibilityNo 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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