How long does it take to fly to London?

Flight times from Cambodia to London vary, but if you’re flying out of Siem Reap and flying into London Heathrow Airport (one of the most popular routes), then the duration is 24h 20m on average. Another popular route from Cambodia to London is flying from Phnom Penh to London Heathrow Airport, which will take roughly 24h 55m. Keep in mind that layovers or delays could extend your travel time.

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

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

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

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

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

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.

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

The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£332 Cheap Flights from Cambodia to London in 2026

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Find the cheapest flights from Cambodia to London

Round-trip

One-way

Last minute

Recent return flight deals from Cambodia to London

Enter your travel dates to find the best prices.

15:35 - 18:45

SAI

LHR

33h 10m

2 stops

09:30 - 14:50

LHR

SAI

23h 20m

2 stops

£696Multiple Airlines

Wed, 20 May - Wed, 27 May

10:00 - 07:00

SAI

LHR

27h 00m

2 stops

09:30 - 14:50

LHR

SAI

23h 20m

2 stops

£705Multiple Airlines

Mon, 18 May - Mon, 25 May

10:00 - 07:00

SAI

LHR

27h 00m

2 stops

07:40 - 21:30

LHR

SAI

31h 50m

3 stops

£722Multiple Airlines

Mon, 18 May - Mon, 25 May

10:00 - 07:20

SAI

LGW

27h 20m

2 stops

08:40 - 21:30

LGW

SAI

30h 50m

3 stops

£731Multiple Airlines

Mon, 18 May - Mon, 25 May

15:35 - 18:45

SAI

LHR

33h 10m

2 stops

14:20 - 21:30

LHR

SAI

25h 10m

3 stops

£742Multiple Airlines

Wed, 20 May - Wed, 27 May

13:05 - 12:35

SAI

LGW

29h 30m

2 stops

21:45 - 21:30

LGW

SAI

17h 45m

2 stops

£742Emirates

Mon, 18 May - Mon, 25 May

19:45 - 22:05

SAI

LGW

32h 20m

3 stops

06:10 - 16:35

LGW

SAI

28h 25m

3 stops

£748Multiple Airlines

Sun, 7 Jun - Sun, 21 Jun

13:05 - 21:30

SAI

LGW

38h 25m

2 stops

23:55 - 21:30

LGW

SAI

39h 35m

2 stops

£751Emirates

Sun, 7 Jun - Sun, 21 Jun

23:50 - 16:10

SAI

LHR

22h 20m

2 stops

16:50 - 21:30

LHR

SAI

22h 40m

2 stops

£786Emirates

Thu, 30 Jul - Wed, 2 Sep

18:55 - 17:50

SAI

LHR

28h 55m

1 stop

18:55 - 08:45

LHR

SAI

31h 50m

2 stops

£936Vietnam Airlines

Mon, 18 May - Mon, 25 May

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Vietnam Airlines flights from Cambodia to London

Our best Vietnam Airlines deals on Cambodia to London flight tickets

Vietnam Airlines

18 May

SAI18:55Siem Reap–Angkor Intl

28h 55m

1 stop

LHR17:50London Heathrow

25 May

LHR18:55London Heathrow

31h 50m

2 stops

SAI08:45Siem Reap–Angkor Intl

£936

Vietnam Airlines

20 May

SAI19:10Siem Reap–Angkor Intl

27h 45m

1 stop

LHR16:55London Heathrow

27 May

LHR18:55London Heathrow

16h 15m

1 stop

SAI17:10Siem Reap–Angkor Intl

£985

Singapore Airlines flights from Cambodia to London

Our best Singapore Airlines deals on Cambodia to London flight tickets

Singapore Airlines

30 Jul

SAI10:30Siem Reap–Angkor Intl

25h 25m

1 stop

LHR05:55London Heathrow

2 Sept

LHR11:20London Heathrow

16h 20m

1 stop

SAI09:40Siem Reap–Angkor Intl

£1,139

Singapore Airlines

18 May

SAI10:30Siem Reap–Angkor Intl

29h 00m

1 stop

LGW09:30London Gatwick

25 May

LGW10:05London Gatwick

17h 35m

1 stop

SAI09:40Siem Reap–Angkor Intl

£1,467

Singapore Airlines

20 May

SAI16:00Siem Reap–Angkor Intl

23h 40m

1 stop

LGW09:40London Gatwick

27 May

LGW10:00London Gatwick

17h 40m

1 stop

SAI09:40Siem Reap–Angkor Intl

£1,520

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Wed 20/5

15:35-18:45

2 stops33h 10m

London Heathrow

Wed 27/5

09:30-14:50

2 stops23h 20m

£696

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Mon 18/5

10:00-07:00

2 stops27h 00m

London Heathrow

Mon 25/5

09:30-14:50

2 stops23h 20m

£705

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Mon 18/5

10:00-07:00

2 stops27h 00m

London Heathrow

Mon 25/5

07:40-21:30

3 stops31h 50m

£722

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Mon 18/5

10:00-07:20

2 stops27h 20m

London Gatwick

Mon 25/5

08:40-21:30

3 stops30h 50m

£731

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Wed 20/5

15:35-18:45

2 stops33h 10m

London Heathrow

Wed 27/5

14:20-21:30

3 stops25h 10m

£742

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Mon 18/5

13:05-12:35

2 stops29h 30m

London Gatwick

Mon 25/5

21:45-21:30

2 stops17h 45m

£742

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sun 7/6

19:45-22:05

3 stops32h 20m

London Gatwick

Sun 21/6

06:10-16:35

3 stops28h 25m

£748

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sun 7/6

13:05-21:30

2 stops38h 25m

London Gatwick

Sun 21/6

23:55-21:30

2 stops39h 35m

£751

Fastest return journey

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Thu 30/7

23:50-16:10

2 stops22h 20m

London Heathrow

Wed 2/9

16:50-21:30

2 stops22h 40m

£786

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Mon 18/5

18:55-17:50

1 stop28h 55m

London Heathrow

Mon 25/5

18:55-08:45

2 stops31h 50m

£936

Flights are sorted by cheapest return flights first.

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How to get the cheapest flight ticket from Cambodia to London

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

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Can stopping save me money on Cambodia to London flights?

You could potentially save up to 23% on your flight if you consider stops on a Cambodia to London flight.

Cheap Cambodia to London flight deals and tips

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

Fastest flight time	24h 20m
Direct flights	None

The fastest flight from Cambodia to London takes 24h 20m

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

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Frequently asked questions about flying from Cambodia to London

When did momondo last update prices for flights from Cambodia to London?
Prices for flights from Cambodia to London were last updated today.
How old do you have to be to fly from Cambodia to London?
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.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Eastbourne

Milton Keynes

Luton

Gatwick

Slough

Maidstone

Wembley

Southend-on-Sea

Ipswich

Canterbury

Ilford

Guildford

Hayes

Dover

Chelmsford

Folkestone

Chichester

Bedford

Ramsgate

Harlow

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Cambodia to London. momondo saves you time and could save you money on your trip.

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

Yes. All flights to London from Cambodia on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Cambodia to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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.

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Cheap flights from Cambodia to London from £332

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cambodia to London departing on 22/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Vietnam Airlines flights from Cambodia to London

Our best Vietnam Airlines deals on Cambodia to London flight tickets

Singapore Airlines flights from Cambodia to London

Our best Singapore Airlines deals on Cambodia to London flight tickets

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How to get the cheapest flight ticket from Cambodia to London

Can stopping save me money on Cambodia to London flights?

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

How long does it take to fly to London?

Cheap Cambodia to London flight deals and tips

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Cambodia to London

Travelling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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