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Cheap flights from Cambodia to London from £253

KTI — LON
20 Oct — 27 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cambodia to London

Enter your travel dates to find the best prices.

Cheapest flights from Cambodia to London

Mon 28/909:40 -
2 stops27h 20m
Fri 2/1014:45 -
2 stops36h 15m
Deal found 20/9£806
Mon 28/919:40 -
1 stop28h 10m
Fri 2/1021:45 -
2 stops29h 15m
Deal found 20/9£888
Mon 28/916:55 -
2 stops25h 40m
Fri 2/1010:40 -
2 stops23h 30m
Deal found 20/9£943
Mon 28/910:30 -
1 stop26h 25m
Fri 2/1010:10 -
1 stop17h 30m
Deal found 20/9£2,417

Find flight deals from Cambodia to London

Popular in

March

Cheapest in

December

Average price

£773
Highest demand for flights based on searches. 27% potential increase in price (£232 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease (£69 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Cambodia to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Sun 15/11

19:30-18:35

2 stops54h 05m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£275

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Tue 9/3

13:20-06:30

2 stops24h 10m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£295
Fastest return journey

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Mon 2/11

21:30-07:15

1 stop16h 45m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£313

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Fri 13/11

12:45-06:30

2 stops24h 45m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£314

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sat 14/11

23:50-11:40

2 stops18h 50m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£322

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Tue 3/11

13:20-18:25

2 stops36h 05m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£322

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Mon 23/11

19:30-15:55

3 stops27h 25m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£324

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Wed 30/12

19:05-20:30

2 stops32h 25m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£332

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Thu 29/10

17:05-07:15

2 stops21h 10m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£338

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Wed 10/3

14:50-11:30

3 stops27h 40m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£344

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Cambodia to London

Have a flexible travel schedule? Discover the best time to fly to London from Cambodia with our price prediction graph.
Estimated return price

Cheapflights Insights

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

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

Currently, July is the cheapest month in which you can book a flight from Cambodia to London (average of £585). Flying from Cambodia to London in January is currently the most expensive (average of £1,120). 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.

Reviews of airlines servicing London

See what other customers who have flown with Etihad Airways and China Eastern from Cambodia to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Etihad Airways
7.3
Good
1,532 reviews
Check prices

Overall

7.3

Food

7.1

Comfort

7.3

Boarding

7.6

Crew

7.8

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2026

AUH - KBL

really liked the excellent customer service, friendly staff, smooth check-in process, and comfortable flight. Everyone was professional and helpful, which made my journey enjoyable and stress-free.
Etihad Airways
7.3
Good
1,532 reviews
Etihad Airways
7.3
Good
1,532 reviews
Check prices

Overall

7.3

Food

7.1

Comfort

7.3

Boarding

7.6

Crew

7.8

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2026

AUH - KBL

really liked the excellent customer service, friendly staff, smooth check-in process, and comfortable flight. Everyone was professional and helpful, which made my journey enjoyable and stress-free.
China Eastern
7.3
Good
243 reviews
Etihad Airways
7.3
Good
1,532 reviews
Check prices

Overall

7.3

Food

7.1

Comfort

7.3

Boarding

7.6

Crew

7.8

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2026

AUH - KBL

really liked the excellent customer service, friendly staff, smooth check-in process, and comfortable flight. Everyone was professional and helpful, which made my journey enjoyable and stress-free.

Related info for your journey

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

    To fly one-way, consider booking your trip with China Southern, which is currently one of the cheapest options available, starting at £203. Etihad Airways flights start at £211 while deals on Malaysia Airlines start at £290 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cambodia to London 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 Cambodia to London?

    Currently, July is the cheapest month in which you can book a flight from Cambodia to London (average of £585). Flying from Cambodia to London in January is currently the most expensive (average of £1,120). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Luton
Milton Keynes
Gatwick
Wembley
Slough
Ilford
Hayes
Croydon
Colchester
Eastbourne
Brentford
Enfield
Southend-on-Sea
Barnet
Southall
Watford
Kingston upon Thames
Dagenham
Dover

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Cambodia to London

AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest£354Average£584FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights

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Millions of users choose and trust Cheapflights to book the best flight deals from Cambodia to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Need flexible booking options for your flight to London from Cambodia? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Cambodia to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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