Find flights
When to book
Airlines
FAQs

Cheap flights from Cambodia to London from £323

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 26/3. Fares are subject to change and may not be available on all flights or dates of travel.
KTI — LON
9 Apr — 16 Apr1
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
Explore the most affordable flight options available from Cambodia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 March 2026.

Mon 11/509:40
SAI
-
LHR
2 stops27h 15m
Multiple Airlines
Fri 29/510:00
LHR
-
SAI
2 stops26h 45m
Multiple Airlines
Deal found 6/3£721
Mon 11/519:30
SAI
-
LGW
2 stops41h 25m
Multiple Airlines
Fri 29/510:40
LGW
-
SAI
2 stops26h 05m
Multiple Airlines
Deal found 6/3£742
Fri 27/319:05
SAI
-
LHR
2 stops30h 05m
Multiple Airlines
Fri 3/409:30
LHR
-
SAI
2 stops26h 35m
Multiple Airlines
Deal found 8/3£770
Mon 11/510:30
SAI
-
LHR
1 stop35h 15m
Singapore Airlines
Fri 29/520:35
LHR
-
SAI
1 stop36h 35m
Singapore Airlines
Deal found 6/3£864
Mon 11/510:30
SAI
-
LGW
1 stop26h 25m
Singapore Airlines
Fri 29/510:15
LGW
-
SAI
1 stop17h 25m
Singapore Airlines
Deal found 6/3£890
Fri 27/316:50
SAI
-
LGW
3 stops25h 50m
Multiple Airlines
Fri 3/411:35
LGW
-
SAI
2 stops24h 30m
Multiple Airlines
Deal found 8/3£1,038
Fri 27/313:20
SAI
-
LGW
2 stops24h 20m
Emirates
Fri 3/421:45
LGW
-
SAI
2 stops17h 45m
Emirates
Deal found 8/3£1,044

Find flight deals from Cambodia to London

Keep the following information in mind while searching for Cambodia to London flight deals. Data was last updated 10 March 2026.

Round-trip from

£721

One-way from

£323

Popular in

July

Cheapest in

November
11/5-29/5
  • 11/5-29/5
  • 4 total stops
  • 54h 00m total
  • Cambodia to London
Search Deals
26/3
  • 26/3
  • 3 total stops
  • 37h 25m total
  • Cambodia to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£80 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cambodia to London 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 10 March 2026.
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 - LGW

SAILGW

Siem Reap–Angkor Intl

Mon 11/5

19:30-06:55

2 stops41h 25m

London Gatwick

Fri 29/5

10:40-18:45

2 stops26h 05m

£742

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Fri 27/3

19:05-18:10

2 stops30h 05m

London Heathrow

Fri 3/4

09:30-18:05

2 stops26h 35m

£770

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Mon 11/5

12:55-06:55

2 stops24h 00m

London Heathrow

Fri 29/5

07:00-21:30

3 stops32h 30m

£814

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Mon 11/5

10:30-15:45

1 stop35h 15m

London Heathrow

Fri 29/5

20:35-15:10

1 stop36h 35m

£864

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Mon 11/5

10:30-06:55

1 stop26h 25m

London Gatwick

Fri 29/5

10:15-09:40

1 stop17h 25m

£890

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Fri 27/3

16:50-11:40

3 stops25h 50m

London Gatwick

Fri 3/4

11:35-18:05

2 stops24h 30m

£1,038
Fastest return journey

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Fri 27/3

13:20-06:40

2 stops24h 20m

London Gatwick

Fri 3/4

21:45-21:30

2 stops17h 45m

£1,044
Cheapest one-way

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sat 2/5

23:50-18:10

2 stops24h 20m

£334

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Wed 29/4

21:10-18:40

2 stops27h 30m

£365

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Fri 31/7

21:10-15:00

3 stops47h 50m

£366

Flights are sorted by cheapest return flights first.

Deals found on 10/3

Showing 1-10 of 26 resultsSorted by cheapest first
1
2
3

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
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 Cambodia to London

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

Currently, September is the cheapest month in which you can book a flight from Cambodia to London (average of £487). Flying from Cambodia to London in January is currently the most expensive (average of £975). 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

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 10 March 2026.
See what other customers who have flown with 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.
China Eastern
7.2
Good
198 reviews
Check prices

Entertainment

6.1

Food

6.8

Overall

7.2

Boarding

7.6

Crew

7.8

Comfort

7.2

Reviews

1 / 7
10.0
Excellent

Anonymous,Feb 2026

LGW - PVG

Not much selection for westerners with regards to videos. But the upgrade was amazing. So gave 5 stars. Thank you.
China Eastern
7.2
Good
198 reviews
China Eastern
7.2
Good
198 reviews
Check prices

Entertainment

6.1

Food

6.8

Overall

7.2

Boarding

7.6

Crew

7.8

Comfort

7.2

Reviews

1 / 7
10.0
Excellent

Anonymous,Feb 2026

LGW - PVG

Not much selection for westerners with regards to videos. But the upgrade was amazing. So gave 5 stars. Thank you.

Related info for your journey

Find useful and relevant information for your journey from Cambodia to London. 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 Cambodia to London?

    There are many flights that can get you from Cambodia to London in 35h 15m. Fly via Singapore Airlines to get the fastest option. Airlines will cover a distance of 6106 mi.

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

    To fly one-way, consider booking your trip with Etihad Airways, which is currently one of the cheapest options available, starting at £211. China Eastern flights start at £221 while deals on China Southern start at £242 one-way.

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

    While some choose either Siem Reap–Angkor Intl - London Heathrow or Phnom Penh Pochentong - London Gatwick, Phnom Penh Pochentong - London City is the most popular route from Cambodia to London.

  • 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, September is the cheapest month in which you can book a flight from Cambodia to London (average of £487). Flying from Cambodia to London in January is currently the most expensive (average of £975). 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
Milton Keynes
Wembley
Croydon
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Chelmsford
Eastbourne
Ipswich
Bedford
Romford
Southend-on-Sea

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 Cambodia to London

See prices for flight routes from nearby airports that may be better suited for you.
Suvarnabhumi to Heathrow flights
Kuala Lumpur Intl to Heathrow flights
Hong Kong to Heathrow flights
Suvarnabhumi to Gatwick flights
Singapore to Heathrow flights
New Delhi to Heathrow flights
Incheon Intl to Heathrow flights
Mumbai to Heathrow flights
Suvarnabhumi to Stansted flights
Singapore to Gatwick flights
Taiwan Taoyuan Intl to Heathrow flights
Haneda to Heathrow flights
Kuala Lumpur Intl to Gatwick flights
Kuala Lumpur Intl to Stansted flights
Hong Kong to Gatwick flights
Hong Kong to Stansted flights
Bangalore to Heathrow flights
Incheon Intl to Gatwick flights
Hongqiao Intl to Heathrow flights
Hong Kong to London City flights
Manila to Heathrow flights
New Delhi to Gatwick flights
Incheon Intl to Stansted flights
Mumbai to Gatwick flights
Singapore to Stansted flights
New Delhi to Stansted flights
Colombo to Heathrow flights
Don Mueang Intl to Heathrow flights
Narita to Heathrow flights
Pu Dong to Heathrow flights
Mumbai to Stansted flights
Hongqiao Intl to Gatwick flights
Islamabad to Heathrow flights
Incheon Intl to London City flights
Manila to Gatwick flights
Chennai to Heathrow flights
Hong Kong to Manchester flights
Haneda to Gatwick flights
Pu Dong to Gatwick flights
Narita to Gatwick flights
Manila to Stansted flights
Singapore to London City flights
Lahore to Heathrow flights
Narita to Stansted flights
Lahore to Gatwick flights
Hyderabad to Heathrow flights
Bangalore to Gatwick 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 Cambodia to London?

Cheapflights helps you search for flights from Cambodia to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.