Cheap flights from the United Kingdom to Cambodia from £311

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Cambodia departing on 16/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from the United Kingdom to Cambodia

Recent return flight deals from the United Kingdom to Cambodia

Enter your travel dates to find the best prices.
SWISS Logo
18:40 - 09:40
LHR
-
SAI
33h 00m
2 stops
SWISS Logo
10:30 - 07:55
SAI
-
LHR
27h 25m
2 stops
£551SWISS
Mon, 1 Jun - Mon, 15 Jun
SWISS Logo
09:25 - 18:45
LGW
-
SAI
27h 20m
2 stops
SWISS Logo
10:30 - 08:20
SAI
-
LGW
27h 50m
2 stops
£551SWISS
Mon, 1 Jun - Mon, 15 Jun
China Eastern Logo
18:05 - 20:10
LGW
-
SAI
44h 05m
3 stops
China Eastern Logo
21:10 - 06:40
SAI
-
LGW
39h 30m
3 stops
£612China Eastern
Mon, 6 Apr - Mon, 4 May
Multiple Airlines Logo
06:00 - 18:45
LHR
-
SAI
30h 45m
2 stops
Multiple Airlines Logo
21:10 - 18:40
SAI
-
LHR
51h 30m
3 stops
£619Multiple Airlines
Mon, 1 Jun - Mon, 15 Jun
Vietnam Airlines Logo
18:55 - 17:10
LHR
-
SAI
16h 15m
1 stop
Vietnam Airlines Logo
19:10 - 17:50
SAI
-
LHR
28h 40m
1 stop
£648Vietnam Airlines
Mon, 1 Jun - Mon, 15 Jun
China Eastern Logo
21:20 - 20:10
LHR
-
SAI
40h 50m
3 stops
China Eastern Logo
21:10 - 18:40
SAI
-
LHR
27h 30m
2 stops
£725China Eastern
Mon, 6 Apr - Wed, 29 Apr
Emirates Logo
14:55 - 21:30
STN
-
SAI
24h 35m
2 stops
Emirates Logo
12:55 - 12:55
SAI
-
STN
30h 00m
2 stops
£835Emirates
Mon, 6 Apr - Mon, 4 May
Singapore Airlines Logo
10:35 - 15:10
MAN
-
SAI
22h 35m
1 stop
Singapore Airlines Logo
10:30 - 09:15
SAI
-
MAN
28h 45m
1 stop
£939Singapore Airlines
Sat, 25 Apr - Fri, 8 May
Singapore Airlines Logo
10:35 - 09:40
MAN
-
SAI
17h 05m
1 stop
Singapore Airlines Logo
10:30 - 09:15
SAI
-
MAN
28h 45m
1 stop
£941Singapore Airlines
Sat, 25 Apr - Fri, 8 May
Emirates Logo
21:05 - 21:30
STN
-
SAI
18h 25m
2 stops
Emirates Logo
12:55 - 18:45
SAI
-
STN
35h 50m
2 stops
£1,016Emirates
Mon, 6 Apr - Wed, 29 Apr

Emirates flights from United Kingdom to Cambodia

Our best Emirates deals on United Kingdom to Cambodia flight tickets
Emirates
8 Jul
LHR16:50London Heathrow
22h 40m
2 stops
SAI21:30Siem Reap–Angkor Intl
5 Aug
SAI12:55Siem Reap–Angkor Intl
31h 30m
2 stops
LHR14:25London Heathrow
£821
Emirates
6 Apr
STN14:55London Stansted
24h 35m
2 stops
SAI21:30Siem Reap–Angkor Intl
4 May
SAI12:55Siem Reap–Angkor Intl
30h 00m
2 stops
STN12:55London Stansted
£835
Emirates
6 Aug
LHR09:05London Heathrow
21h 10m
2 stops
SAI12:15Siem Reap–Angkor Intl
16 Aug
SAI12:55Siem Reap–Angkor Intl
33h 15m
2 stops
LHR16:10London Heathrow
£967

Singapore Airlines flights from United Kingdom to Cambodia

Our best Singapore Airlines deals on United Kingdom to Cambodia flight tickets
Singapore Airlines
6 Apr
LHR22:05London Heathrow
35h 05m
1 stop
SAI15:10Siem Reap–Angkor Intl
4 May
SAI10:30Siem Reap–Angkor Intl
39h 00m
1 stop
LHR19:30London Heathrow
£747
Singapore Airlines
6 Apr
LHR22:05London Heathrow
29h 35m
1 stop
SAI09:40Siem Reap–Angkor Intl
29 Apr
SAI16:00Siem Reap–Angkor Intl
19h 55m
1 stop
LHR05:55London Heathrow
£749
Singapore Airlines
24 Apr
LHR22:05London Heathrow
29h 35m
1 stop
SAI09:40Siem Reap–Angkor Intl
8 May
SAI16:00Siem Reap–Angkor Intl
29h 45m
1 stop
LHR15:45London Heathrow
£752

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom to Cambodia 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, momondo users made 279,928 searches. Data last updated 26 February 2026.
Use the filters below to find and compare flights from the United Kingdom to Cambodia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Mon 1/6

18:40-09:40

2 stops33h 00m

Siem Reap–Angkor Intl

Mon 15/6

10:30-07:55

2 stops27h 25m

£551

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Mon 1/6

09:25-18:45

2 stops27h 20m

Siem Reap–Angkor Intl

Mon 15/6

10:30-08:20

2 stops27h 50m

£551

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Mon 6/4

18:05-20:10

3 stops44h 05m

Siem Reap–Angkor Intl

Mon 4/5

21:10-06:40

3 stops39h 30m

£612

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Mon 1/6

06:00-18:45

2 stops30h 45m

Siem Reap–Angkor Intl

Mon 15/6

21:10-18:40

3 stops51h 30m

£619

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Mon 1/6

18:55-17:10

1 stop16h 15m

Siem Reap–Angkor Intl

Mon 15/6

19:10-17:50

1 stop28h 40m

£648

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Mon 6/4

21:20-20:10

3 stops40h 50m

Siem Reap–Angkor Intl

Wed 29/4

21:10-18:40

2 stops27h 30m

£725

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Mon 6/4

14:55-21:30

2 stops24h 35m

Siem Reap–Angkor Intl

Mon 4/5

12:55-12:55

2 stops30h 00m

£835

ManchesterSiem Reap

MAN - SAI

MANSAI

Manchester

Sat 25/4

10:35-15:10

1 stop22h 35m

Siem Reap–Angkor Intl

Fri 8/5

10:30-09:15

1 stop28h 45m

£939

ManchesterSiem Reap

MAN - SAI

MANSAI

Manchester

Sat 25/4

10:35-09:40

1 stop17h 05m

Siem Reap–Angkor Intl

Fri 8/5

10:30-09:15

1 stop28h 45m

£941

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Mon 6/4

21:05-21:30

2 stops18h 25m

Siem Reap–Angkor Intl

Wed 29/4

12:55-18:45

2 stops35h 50m

£1,016

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Cambodia from

How to get the cheapest flight ticket from United Kingdom 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

What is the cheapest month to fly to Cambodia?

In general, November is the cheapest month to fly from United Kingdom to Cambodia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £517. If you aren’t able to travel during the month of November, then book flights to Cambodia from United Kingdom during September instead. Flights to Cambodia in September, while not as cheap as those in November, still average around £553.

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

You are more likely to see cheaper flights to Cambodia from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Cambodia for around £702 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 United Kingdom for as low as £622 on momondo.

Can stopping save me money on United Kingdom to Cambodia flights?

You could potentially save up to 10% on your flight if you consider stops on a United Kingdom to Cambodia flight.

Cheap United Kingdom to Cambodia flight deals and tips

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

Fastest flight time

15h 55m

Direct flights

None
The fastest flight from United Kingdom to Cambodia takes 15h 55m
There are no direct flights from United Kingdom to Cambodia. There are no popular flight routes from United Kingdom to Cambodia.
  • When did momondo last update prices for flights from United Kingdom to Cambodia?

    Prices for flights from United Kingdom to Cambodia refresh daily.

  • How many operators does momondo search for flights from United Kingdom to Cambodia?

  • How old do you have to be to fly from United Kingdom to Cambodia?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United Kingdom to Cambodia.

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

    The required travel and health documents for your Cambodia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cambodia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from United Kingdom to Cambodia

Compare and see reviews for airlines that fly from United Kingdom to Cambodia with momondo
Airline
Rating
Free Cancellation
Price
Air ChinaPriceFrom £265Free CancellationRating
7.2
139 reviews
Search Air China flights
China SouthernPriceFrom £360Free CancellationRating
7.3
137 reviews
Search China Southern flights
Shenzhen AirlinesPriceFrom £415Free CancellationRating
7.8
25 reviews
Search Shenzhen Airlines flights
British AirwaysPriceFrom £496Free CancellationRating
6.7
7,768 reviews
Search British Airways flights
Etihad AirwaysPriceFrom £506Free CancellationRating
7.3
1,418 reviews
Search Etihad Airways flights
China EasternPriceFrom £509Free CancellationRating
7.2
196 reviews
Search China Eastern flights
Austrian AirlinesPriceFrom £535Free CancellationRating
7.6
900 reviews
Search Austrian Airlines flights
Singapore AirlinesPriceFrom £558Free CancellationRating
8.2
1,463 reviews
Search Singapore Airlines flights
Malaysia AirlinesPriceFrom £583Free CancellationRating
7.3
293 reviews
Search Malaysia Airlines flights
LufthansaPriceFrom £594Free CancellationRating
6.8
7,810 reviews
Search Lufthansa flights

Why use momondo?

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

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

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

All flight searches from United Kingdom to Cambodia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from United Kingdom to Cambodia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United Kingdom to Cambodia.

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

Yes momondo offers price alerts on flights to Cambodia from United Kingdom. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 28/3
Sat 4/4

Find better results for your trip to Cambodia

Popular Cities in Cambodia

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