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.

£229 Cheap Flights from Cambodia to London Heathrow Airport in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Cambodia to London

Return

One-way

Recent return flight deals from Cambodia to London

Enter your travel dates to find the best prices.

23:50 - 18:40SAI Siem Reap–Angkor Intl-LHR London Heathrow

24h 50m2 stops Bangkok Suvarnabhumi Dubai Intl

16:50 - 12:15LHR London Heathrow-SAI Siem Reap–Angkor Intl

37h 25m2 stops Dubai Intl Bangkok Suvarnabhumi

£693Emirates

Thu, 24 Sep - Sat, 3 Oct

13:20 - 13:50SAI Siem Reap–Angkor Intl-LHR London Heathrow

31h 30m2 stops Bangkok Suvarnabhumi Dubai Intl

19:00 - 21:10LHR London Heathrow-SAI Siem Reap–Angkor Intl

19h 10m2 stops Dubai Intl Bangkok Suvarnabhumi

£708Emirates

Wed, 9 Dec - Fri, 22 Jan

12:55 - 18:40SAI Siem Reap–Angkor Intl-LHR London Heathrow

35h 45m2 stops Bangkok Suvarnabhumi Dubai Intl

16:50 - 12:15LHR London Heathrow-SAI Siem Reap–Angkor Intl

37h 25m2 stops Dubai Intl Bangkok Suvarnabhumi

£716Emirates

Fri, 25 Sep - Sat, 3 Oct

09:35 - 06:30SAI Siem Reap–Angkor Intl-LHR London Heathrow

26h 55m3 stops Ho Chi Minh City Singapore Changi Muscat Seeb

20:50 - 14:50LHR London Heathrow-SAI Siem Reap–Angkor Intl

36h 00m3 stops Muscat Seeb Singapore Changi Kuala Lumpur Intl

£746Multiple Airlines

Thu, 24 Sep - Sat, 3 Oct

13:20 - 14:45SAI Siem Reap–Angkor Intl-LHR London Heathrow

32h 25m2 stops Bangkok Suvarnabhumi Manama Bahrain Intl

19:25 - 18:45LHR London Heathrow-SAI Siem Reap–Angkor Intl

16h 20m2 stops Vienna Intl Bangkok Suvarnabhumi

£752Multiple Airlines

Thu, 10 Dec - Fri, 22 Jan

21:30 - 07:15SAI Siem Reap–Angkor Intl-LHR London Heathrow

16h 45m1 stop Ho Chi Minh City

14:50 - 09:15LHR London Heathrow-SAI Siem Reap–Angkor Intl

35h 25m2 stops Vienna Intl Bangkok Suvarnabhumi

£754Multiple Airlines

Mon, 7 Dec - Wed, 10 Feb

09:40 - 15:20SAI Siem Reap–Angkor Intl-LHR London Heathrow

35h 40m2 stops Bangkok Suvarnabhumi Manama Bahrain Intl

20:10 - 06:20LHR London Heathrow-SAI Siem Reap–Angkor Intl

28h 10m3 stops Mumbai Chhatrapati Shivaji Intl Hyderabad Rajiv Gandhi Intl Kolkata Netaji S. Chandra

£769Multiple Airlines

Fri, 25 Sep - Sat, 3 Oct

20:30 - 07:15SAI Siem Reap–Angkor Intl-LHR London Heathrow

17h 45m1 stop Hanoi Noibai

21:00 - 16:05LHR London Heathrow-SAI Siem Reap–Angkor Intl

36h 05m2 stops Shanghai Pu Dong Phuket City

£772Multiple Airlines

Thu, 10 Dec - Fri, 22 Jan

09:35 - 06:30SAI Siem Reap–Angkor Intl-LHR London Heathrow

26h 55m3 stops Ho Chi Minh City Singapore Changi Muscat Seeb

20:50 - 09:15LHR London Heathrow-SAI Siem Reap–Angkor Intl

30h 25m3 stops Muscat Seeb Singapore Changi Kuala Lumpur Intl

£775Multiple Airlines

Fri, 25 Sep - Sat, 3 Oct

21:50 - 18:35SAI Siem Reap–Angkor Intl-LHR London Heathrow

27h 45m2 stops Phnom Penh Techo Intl Guangzhou Baiyun

08:50 - 15:00LHR London Heathrow-SAI Siem Reap–Angkor Intl

23h 10m2 stops Abu Dhabi Zayed Intl Kuala Lumpur Intl

£778Multiple Airlines

Mon, 7 Dec - Wed, 10 Feb

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Emirates flights from Cambodia to London Heathrow Airport

Our best Emirates deals on Cambodia to London Heathrow Airport flight tickets

Emirates

24 Sept

SAI23:50Siem Reap–Angkor Intl

24h 50m

2 stops

LHR18:40London Heathrow

3 Oct

LHR16:50London Heathrow

37h 25m

2 stops

SAI12:15Siem Reap–Angkor Intl

£693

Emirates

9 Dec

SAI13:20Siem Reap–Angkor Intl

31h 30m

2 stops

LHR13:50London Heathrow

22 Jan

LHR19:00London Heathrow

19h 10m

2 stops

SAI21:10Siem Reap–Angkor Intl

£708

Emirates

25 Sept

SAI12:55Siem Reap–Angkor Intl

35h 45m

2 stops

LHR18:40London Heathrow

3 Oct

LHR16:50London Heathrow

37h 25m

2 stops

SAI12:15Siem Reap–Angkor Intl

£716

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 Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Thu 24/9

23:50-18:40

2 stops24h 50m

London Heathrow

Sat 3/10

16:50-12:15

2 stops37h 25m

£693

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Wed 9/12

13:20-13:50

2 stops31h 30m

London Heathrow

Fri 22/1

19:00-21:10

2 stops19h 10m

£708

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Fri 25/9

12:55-18:40

2 stops35h 45m

London Heathrow

Sat 3/10

16:50-12:15

2 stops37h 25m

£716

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Thu 24/9

09:35-06:30

3 stops26h 55m

London Heathrow

Sat 3/10

20:50-14:50

3 stops36h 00m

£746

Fastest return journey

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Thu 10/12

13:20-14:45

2 stops32h 25m

London Heathrow

Fri 22/1

19:25-18:45

2 stops16h 20m

£752

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Mon 7/12

21:30-07:15

1 stop16h 45m

London Heathrow

Wed 10/2

14:50-09:15

2 stops35h 25m

£754

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Fri 25/9

09:40-15:20

2 stops35h 40m

London Heathrow

Sat 3/10

20:10-06:20

3 stops28h 10m

£769

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Thu 10/12

20:30-07:15

1 stop17h 45m

London Heathrow

Fri 22/1

21:00-16:05

2 stops36h 05m

£772

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Fri 25/9

09:35-06:30

3 stops26h 55m

London Heathrow

Sat 3/10

20:50-09:15

3 stops30h 25m

£775

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Mon 7/12

21:50-18:35

2 stops27h 45m

London Heathrow

Wed 10/2

08:50-15:00

2 stops23h 10m

£778

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

What is the cheapest month to fly to London Heathrow Airport?

In general, July is the cheapest month to fly from Cambodia to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £573. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Cambodia averaging around £604.

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

You could potentially save up to 23% 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

Best price found	£229
Fastest flight time	16h 45m
Direct flights	None

The best one-way flight to London Heathrow Airport from Cambodia in the past 72 hours is £229. The best return flight deal from Cambodia to London Heathrow Airport found on momondo in the last 72 hours is £693.

The fastest flight from Cambodia to London Heathrow Airport takes 16h 45m

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

Search flight deals

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.

Best airlines flying from Cambodia to London Heathrow Airport

Compare and see reviews for airlines that fly from Cambodia to London Heathrow Airport with momondo

Airline	Rating	Free Cancellation	Price
Etihad Airways	PriceFrom £351	Free Cancellation	Rating 7.3 1,533 reviews		Search Etihad Airways flights

Eastbourne

Wembley

Gatwick

Milton Keynes

Stratford-upon-Avon

Southend-on-Sea

Luton

Northampton

Slough

Ipswich

Swindon

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Poole

Chichester

Hayes

Bedford

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.