What is the cheapest airline that flies from Cambodia to London Heathrow?

Etihad Airways and Emirates are the most popular carriers operating from Cambodia to London Heathrow

How long does it take to fly to London Heathrow Airport?

If you’re flying from a popular airport in Cambodia, such as Phnom Penh or Siem Reap, and flying into London Heathrow Airport, then you can expect flight times to average 24h 55m and 29h, respectively.

When did momondo last update prices for flights from Cambodia to London Heathrow Airport?

Prices for flights from Cambodia to London Heathrow Airport were last updated today.

How old do you have to be to fly from Cambodia to London Heathrow Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cambodia to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£293 Cheap Flights from Cambodia to London Heathrow Airport in 2026

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Find the cheapest flights from Cambodia to London

Round-trip

One-way

Recent return flight deals from Cambodia to London

Enter your travel dates to find the best prices.

19:45 - 18:45

SAI

LHR

29h 00m

2 stops

21:45 - 12:15

LHR

SAI

32h 30m

2 stops

£734Etihad Airways

Sun, 7 Jun - Sun, 14 Jun

19:20 - 18:45

SAI

LHR

29h 25m

2 stops

21:45 - 18:55

LHR

SAI

39h 10m

2 stops

£750Multiple Airlines

Sun, 31 May - Thu, 25 Jun

09:40 - 12:45

SAI

LHR

33h 05m

2 stops

14:45 - 09:00

LHR

SAI

36h 15m

2 stops

£792Etihad Airways

Sat, 18 Jul - Fri, 31 Jul

19:45 - 12:45

SAI

LHR

23h 00m

2 stops

19:50 - 17:10

LHR

SAI

15h 20m

1 stop

£855Multiple Airlines

Sun, 7 Jun - Sun, 14 Jun

23:50 - 16:10

SAI

LHR

22h 20m

2 stops

16:50 - 21:30

LHR

SAI

22h 40m

2 stops

£911Emirates

Sat, 18 Jul - Fri, 31 Jul

13:00 - 08:00

SAI

LHR

25h 00m

3 stops

09:30 - 18:55

LHR

SAI

27h 25m

2 stops

£1,036Multiple Airlines

Sun, 31 May - Thu, 25 Jun

09:45 - 12:45

SAI

LHR

33h 00m

2 stops

15:30 - 18:55

LHR

SAI

21h 25m

3 stops

£1,059Multiple Airlines

Sun, 7 Jun - Sun, 14 Jun

19:45 - 07:15

SAI

LHR

17h 30m

1 stop

19:50 - 17:10

LHR

SAI

15h 20m

1 stop

£1,127Multiple Airlines

Sun, 7 Jun - Sun, 14 Jun

16:55 - 19:15

SAI

LHR

32h 20m

1 stop

09:45 - 16:10

LHR

SAI

24h 25m

2 stops

£1,136Multiple Airlines

Sun, 31 May - Thu, 25 Jun

19:45 - 19:20

SAI

LHR

29h 35m

1 stop

21:35 - 18:55

LHR

SAI

15h 20m

1 stop

£1,293Multiple Airlines

Sun, 31 May - Thu, 25 Jun

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Etihad Airways flights from Cambodia to London Heathrow Airport

Our best Etihad Airways deals on Cambodia to London Heathrow Airport flight tickets

Etihad Airways

7 Jun

SAI19:45Siem Reap–Angkor Intl

29h 00m

2 stops

LHR18:45London Heathrow

14 Jun

LHR21:45London Heathrow

32h 30m

2 stops

SAI12:15Siem Reap–Angkor Intl

£734

Etihad Airways

18 Jul

SAI09:40Siem Reap–Angkor Intl

33h 05m

2 stops

LHR12:45London Heathrow

31 Jul

LHR14:45London Heathrow

36h 15m

2 stops

SAI09:00Siem Reap–Angkor Intl

£792

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sun 7/6

19:45-18:45

2 stops29h 00m

London Heathrow

Sun 14/6

21:45-12:15

2 stops32h 30m

£734

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sun 31/5

19:20-18:45

2 stops29h 25m

London Heathrow

Thu 25/6

21:45-18:55

2 stops39h 10m

£750

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sat 18/7

09:40-12:45

2 stops33h 05m

London Heathrow

Fri 31/7

14:45-09:00

2 stops36h 15m

£792

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sun 7/6

19:45-12:45

2 stops23h 00m

London Heathrow

Sun 14/6

19:50-17:10

1 stop15h 20m

£855

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sat 18/7

23:50-16:10

2 stops22h 20m

London Heathrow

Fri 31/7

16:50-21:30

2 stops22h 40m

£911

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sun 31/5

13:00-08:00

3 stops25h 00m

London Heathrow

Thu 25/6

09:30-18:55

2 stops27h 25m

£1,036

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sun 7/6

09:45-12:45

2 stops33h 00m

London Heathrow

Sun 14/6

15:30-18:55

3 stops21h 25m

£1,059

Fastest return journey

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sun 7/6

19:45-07:15

1 stop17h 30m

London Heathrow

Sun 14/6

19:50-17:10

1 stop15h 20m

£1,127

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sun 31/5

16:55-19:15

1 stop32h 20m

London Heathrow

Thu 25/6

09:45-16:10

2 stops24h 25m

£1,136

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sun 31/5

19:45-19:20

1 stop29h 35m

London Heathrow

Thu 25/6

21:35-18:55

1 stop15h 20m

£1,293

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Cambodia to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

Can stopping save me money on Cambodia to London Heathrow Airport flights?

You could potentially save up to 25% on your flight if you consider stops on a Cambodia to London Heathrow Airport flight.

Cheap Cambodia to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cambodia to London Heathrow Airport

Fastest flight time	24h 55m
Direct flights	None

The fastest flight from Cambodia to London Heathrow Airport takes 24h 55m

There are no direct flights from Cambodia to London Heathrow Airport. There are no popular flight routes from Cambodia to London Heathrow Airport.

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Frequently asked questions about flying from Cambodia to London Heathrow Airport

When did momondo last update prices for flights from Cambodia to London Heathrow Airport?
Prices for flights from Cambodia to London Heathrow Airport were last updated today.
How old do you have to be to fly from Cambodia to London Heathrow Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cambodia to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Luton

Gatwick

Stratford-upon-Avon

Slough

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Northampton

Swindon

Ipswich

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Guildford

Hayes

Poole

Chelmsford

Folkestone

Dover

Why use momondo?

Why should I use momondo to find a flight deal from Cambodia to London?

It is quick and easy to find Cambodia to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Cambodia to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Cambodia to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Cambodia to London?

momondo provides multiple filters to help you find the best flight to London from Cambodia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Cambodia to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Cambodia to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.