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

SWISS, China Eastern, and Vietnam Airlines are the most popular carriers operating from London to Cambodia

Which airlines fly to Cambodia?

Etihad Airways, China Southern and Singapore Airlines are the top three most popular airlines that fly to Cambodia from London according to our data. Etihad Airways is the first choice among our users, with 34% of people opting to fly with this airline when travelling to Cambodia. Keep in mind that there are 13 different airlines that fly to Cambodia on a routine basis, so you have a few additional options to choose from.

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

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

How many operators does momondo search for flights from London to Cambodia?

The number of operators available for flights from London to Cambodia is 4 as of July 2026.

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

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 London to Cambodia.

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

The travel and health documents required for your trip to Cambodia 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 Cambodia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£301 Cheap Flights from London to Cambodia in 2026

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Find the cheapest flights from London to Cambodia

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:00 - 18:45

LHR

SAI

29h 45m

2 stops

09:55 - 21:40

SAI

LHR

18h 45m

2 stops

£574Multiple Airlines

Wed, 18 Nov - Wed, 2 Dec

12:20 - 18:55

LHR

SAI

24h 35m

2 stops

09:40 - 21:45

SAI

LHR

18h 05m

2 stops

£575Multiple Airlines

Sat, 19 Sep - Mon, 28 Sep

12:10 - 18:55

LHR

SAI

24h 45m

2 stops

09:40 - 07:55

SAI

LHR

28h 15m

2 stops

£585SWISS

Mon, 31 Aug - Mon, 7 Sep

08:40 - 18:55

LHR

SAI

28h 15m

2 stops

09:40 - 21:45

SAI

LHR

18h 05m

2 stops

£586SWISS

Wed, 23 Sep - Fri, 2 Oct

18:40 - 09:50

LHR

SAI

32h 10m

2 stops

09:55 - 21:40

SAI

LHR

18h 45m

2 stops

£587SWISS

Tue, 24 Nov - Fri, 4 Dec

09:05 - 18:45

LHR

SAI

26h 40m

2 stops

09:55 - 21:40

SAI

LHR

18h 45m

2 stops

£591Multiple Airlines

Tue, 17 Nov - Wed, 2 Dec

09:25 - 18:55

LGW

SAI

27h 30m

2 stops

09:40 - 08:25

SAI

LGW

28h 45m

2 stops

£594SWISS

Sat, 19 Sep - Mon, 28 Sep

17:00 - 21:00

LGW

SAI

45h 00m

3 stops

22:00 - 06:30

SAI

LGW

39h 30m

3 stops

£619China Eastern

Sun, 6 Dec - Thu, 10 Dec

20:15 - 21:10

STN

SAI

41h 55m

2 stops

23:50 - 12:05

SAI

STN

19h 15m

2 stops

£743Emirates

Thu, 12 Nov - Tue, 24 Nov

20:15 - 21:10

STN

SAI

41h 55m

2 stops

13:20 - 12:05

SAI

STN

29h 45m

2 stops

£747Emirates

Tue, 1 Dec - Wed, 16 Dec

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SWISS flights from London to Cambodia

Our best SWISS deals on London to Cambodia flight tickets

SWISS

31 Aug

LHR12:10London Heathrow

24h 45m

2 stops

SAI18:55Siem Reap–Angkor Intl

7 Sept

SAI09:40Siem Reap–Angkor Intl

28h 15m

2 stops

LHR07:55London Heathrow

£585

SWISS

23 Sept

LHR08:40London Heathrow

28h 15m

2 stops

SAI18:55Siem Reap–Angkor Intl

2 Oct

SAI09:40Siem Reap–Angkor Intl

18h 05m

2 stops

LHR21:45London Heathrow

£586

SWISS

24 Nov

LHR18:40London Heathrow

32h 10m

2 stops

SAI09:50Siem Reap–Angkor Intl

4 Dec

SAI09:55Siem Reap–Angkor Intl

18h 45m

2 stops

LHR21:40London Heathrow

£587

China Eastern flights from London to Cambodia

Our best China Eastern deals on London to Cambodia flight tickets

China Eastern

6 Dec

LGW17:00London Gatwick

45h 00m

3 stops

SAI21:00Siem Reap–Angkor Intl

10 Dec

SAI22:00Siem Reap–Angkor Intl

39h 30m

3 stops

LGW06:30London Gatwick

£619

China Eastern

12 Nov

LGW10:30London Gatwick

51h 30m

2 stops

SAI21:00Siem Reap–Angkor Intl

24 Nov

SAI22:00Siem Reap–Angkor Intl

39h 30m

2 stops

LGW06:30London Gatwick

£636

China Eastern

12 Nov

LGW10:30London Gatwick

51h 30m

2 stops

SAI21:00Siem Reap–Angkor Intl

24 Nov

SAI22:00Siem Reap–Angkor Intl

39h 30m

3 stops

LGW06:30London Gatwick

£646

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Wed 18/11

06:00-18:45

2 stops29h 45m

Siem Reap–Angkor Intl

Wed 2/12

09:55-21:40

2 stops18h 45m

£574

Fastest return journey

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Sat 19/9

12:20-18:55

2 stops24h 35m

Siem Reap–Angkor Intl

Mon 28/9

09:40-21:45

2 stops18h 05m

£575

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Mon 31/8

12:10-18:55

2 stops24h 45m

Siem Reap–Angkor Intl

Mon 7/9

09:40-07:55

2 stops28h 15m

£585

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Wed 23/9

08:40-18:55

2 stops28h 15m

Siem Reap–Angkor Intl

Fri 2/10

09:40-21:45

2 stops18h 05m

£586

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Tue 24/11

18:40-09:50

2 stops32h 10m

Siem Reap–Angkor Intl

Fri 4/12

09:55-21:40

2 stops18h 45m

£587

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Tue 17/11

09:05-18:45

2 stops26h 40m

Siem Reap–Angkor Intl

Wed 2/12

09:55-21:40

2 stops18h 45m

£591

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Sat 19/9

09:25-18:55

2 stops27h 30m

Siem Reap–Angkor Intl

Mon 28/9

09:40-08:25

2 stops28h 45m

£594

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Sun 6/12

17:00-21:00

3 stops45h 00m

Siem Reap–Angkor Intl

Thu 10/12

22:00-06:30

3 stops39h 30m

£619

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Thu 12/11

20:15-21:10

2 stops41h 55m

Siem Reap–Angkor Intl

Tue 24/11

23:50-12:05

2 stops19h 15m

£743

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Tue 1/12

20:15-21:10

2 stops41h 55m

Siem Reap–Angkor Intl

Wed 16/12

13:20-12:05

2 stops29h 45m

£747

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 London to Cambodia

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

What is the cheapest month to fly to Cambodia?

In general, December is the cheapest month to fly from London to Cambodia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £187. If you aren’t able to travel during the month of December, then book flights to Cambodia from London during October instead. Flights to Cambodia in October, while not as cheap as those in December, still average around £187.

How far in advance should I book a flight from London to Cambodia?

You are more likely to see cheaper flights to Cambodia from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Cambodia for around £706 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cambodia from London for as low as £547 on momondo.

Can stopping save me money on London to Cambodia flights?

You could potentially save up to 8% on your flight if you consider stops on a London to Cambodia flight.

Cheap London to Cambodia flight deals and tips

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

Fastest flight time	18h 25m
Direct flights	None

The fastest flight from London to Cambodia takes 18h 25m

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

Search flight deals

Frequently asked questions about flying from London to Cambodia

When did momondo last update prices for flights from London to Cambodia?
Prices for flights from London to Cambodia were last updated today.
How many operators does momondo search for flights from London to Cambodia?
The number of operators available for flights from London to Cambodia is 4 as of July 2026.
How old do you have to be to fly from London to Cambodia?
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 London to Cambodia.
What documentation or ID do you need to fly to Cambodia?
The travel and health documents required for your trip to Cambodia 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 Cambodia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from London to Cambodia

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

Airline	Rating	Free Cancellation	Price
Air China	PriceFrom £268	Free Cancellation	Rating 7.4 157 reviews	Search Air China flights
Shenzhen Airlines	PriceFrom £334	Free Cancellation	Rating 7.9 26 reviews	Search Shenzhen Airlines flights
China Southern	PriceFrom £470	Free Cancellation	Rating 7.5 158 reviews	Search China Southern flights
Etihad Airways	PriceFrom £510	Free Cancellation	Rating 7.3 1,475 reviews	Search Etihad Airways flights
Austrian Airlines	PriceFrom £540	Free Cancellation	Rating 7.6 943 reviews	Search Austrian Airlines flights
China Eastern	PriceFrom £578	Free Cancellation	Rating 7.3 228 reviews	Search China Eastern flights
Malaysia Airlines	PriceFrom £589	Free Cancellation	Rating 7.3 313 reviews	Search Malaysia Airlines flights
Singapore Airlines	PriceFrom £600	Free Cancellation	Rating 8.2 1,572 reviews	Search Singapore Airlines flights
Vietnam Airlines	PriceFrom £618	Free Cancellation	Rating 7.7 279 reviews	Search Vietnam Airlines flights
Cathay Pacific	PriceFrom £702	Free Cancellation	Rating 7.6 1,406 reviews	Search Cathay Pacific flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cambodia from London.

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

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

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

Once you have performed a search for London to Cambodia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from London to Cambodia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cambodia and let you know when they change.

An easier way to manage your Cambodia 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.

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Popular Cities in Cambodia

Flights to Phnom Penh

Flights to Siem Reapfrom £574

Cheap flights from London to Cambodia from £301

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Cambodia departing on 21/8. 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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SWISS flights from London to Cambodia

Our best SWISS deals on London to Cambodia flight tickets

China Eastern flights from London to Cambodia

Our best China Eastern deals on London to Cambodia flight tickets

momondo Fare Finder

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

See travel insights to Cambodia from

How to get the cheapest flight ticket from London to Cambodia

What is the cheapest month to fly to Cambodia?

How far in advance should I book a flight from London to Cambodia?

Can stopping save me money on London to Cambodia flights?

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

Which airlines fly to Cambodia?

Cheap London to Cambodia flight deals and tips

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

Fastest flight time

Direct flights

Frequently asked questions about flying from London to Cambodia

Best airlines flying from London to Cambodia

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

Why use momondo?

An easier way to manage your Cambodia 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 Cambodia

Popular Cities in Cambodia

Popular flights according to clicks in the last 7 days on momondo

London flight routes

According to popular flight searches on momondo this year

Cambodia flight routes

According to popular flight searches on momondo this year

Fly your favourite airline to Cambodia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Cambodia

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

Complete your trip to Cambodia

Explore popular destinations other users love

According to popular flight searches on momondo this year