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Cheap flights from the United Kingdom to Cambodia from £317

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KTI
18 Mar — 25 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Cambodia

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Cambodia
Explore the most affordable flight options available from United Kingdom to Cambodia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 February 2026.

Mon 8/609:15
LGW
-
SAI
2 stops27h 30m
SWISS
Sun 14/616:00
SAI
-
LGW
2 stops22h 25m
SWISS
Deal found 13/2£551
Sat 24/1010:25
LGW
-
KOS
2 stops20h 40m
Multiple Airlines
Sat 31/1012:15
KOS
-
LGW
2 stops25h 10m
Multiple Airlines
Deal found 15/2£564
Sat 19/910:25
LGW
-
KOS
2 stops20h 35m
Multiple Airlines
Sun 27/913:30
KOS
-
LGW
2 stops23h 55m
Multiple Airlines
Deal found 15/2£564
Mon 8/608:40
LHR
-
SAI
2 stops28h 05m
SWISS
Sun 14/616:00
SAI
-
LHR
2 stops21h 55m
SWISS
Deal found 13/2£567
Tue 17/1119:25
LHR
-
SAI
2 stops16h 20m
Multiple Airlines
Tue 8/1209:55
SAI
-
LHR
2 stops18h 45m
Multiple Airlines
Deal found 15/2£583
Mon 16/1118:40
LHR
-
SAI
2 stops32h 10m
SWISS
Mon 7/1209:55
SAI
-
LHR
2 stops18h 45m
SWISS
Deal found 15/2£584
Tue 17/1119:25
LHR
-
SAI
2 stops16h 20m
Austrian Airlines
Mon 7/1209:55
SAI
-
LHR
2 stops18h 45m
Austrian Airlines
Deal found 15/2£600
Mon 2/1118:45
MAN
-
SAI
2 stops32h 05m
SWISS
Mon 16/1116:45
SAI
-
MAN
2 stops32h 10m
SWISS
Deal found 13/2£601
Sun 15/1117:00
LGW
-
SAI
2 stops45h 00m
China Eastern
Thu 10/1222:00
SAI
-
LGW
2 stops47h 00m
China Eastern
Deal found 15/2£610
Thu 7/518:55
LHR
-
SAI
1 stop17h 15m
Vietnam Airlines
Sun 31/518:05
SAI
-
LHR
1 stop29h 00m
Vietnam Airlines
Deal found 15/2£652
Sun 15/1119:05
LCY
-
SAI
2 stops31h 45m
SWISS
Tue 8/1209:55
SAI
-
LCY
2 stops29h 45m
SWISS
Deal found 15/2£652
Fri 31/710:25
LGW
-
SAI
1 stop21h 45m
Multiple Airlines
Fri 14/814:55
SAI
-
LGW
1 stop22h 30m
Multiple Airlines
Deal found 12/2£655

Find flight deals from United Kingdom to Cambodia

Keep the following information in mind while searching for United Kingdom to Cambodia flight deals. Data was last updated 16 February 2026.

Round-trip from

£551

One-way from

£317

Popular in

July

Cheapest in

November

Average price

£575
SWISS
  • SWISS
  • 8/6-14/6
  • 4 total stops
  • 49h 55m total
  • United Kingdom to Cambodia
Search Deals
11/4
  • 11/4
  • 3 total stops
  • 39h 30m total
  • United Kingdom to Cambodia
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£81 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 16 February 2026.
Use the filters below to find and compare flights from the United Kingdom to Cambodia that are best for you.

Fly from

United Kingdom

Fly to

Cambodia

Route

Depart

Return

Price

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Mon 8/6

09:15-18:45

2 stops27h 30m

Siem Reap–Angkor Intl

Sun 14/6

16:00-08:25

2 stops22h 25m

£551

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Mon 8/6

08:40-18:45

2 stops28h 05m

Siem Reap–Angkor Intl

Sun 14/6

16:00-07:55

2 stops21h 55m

£567

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Thu 7/5

18:55-18:10

1 stop17h 15m

Siem Reap–Angkor Intl

Sun 31/5

18:05-17:05

1 stop29h 00m

£652

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Fri 31/7

10:25-14:10

1 stop21h 45m

Siem Reap–Angkor Intl

Fri 14/8

14:55-07:25

1 stop22h 30m

£655

ManchesterSiem Reap

MAN - SAI

MANSAI

Manchester

Tue 14/4

18:40-09:40

2 stops33h 00m

Siem Reap–Angkor Intl

Tue 12/5

10:30-10:40

2 stops30h 10m

£656

LondonSiem Reap

LCY - SAI

LCYSAI

London City

Mon 8/6

19:15-18:45

2 stops41h 30m

Siem Reap–Angkor Intl

Sun 14/6

16:00-08:40

2 stops22h 40m

£657

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Mon 8/6

18:55-17:10

1 stop16h 15m

Siem Reap–Angkor Intl

Sun 14/6

18:05-17:05

1 stop29h 00m

£661

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Mon 8/6

10:15-09:40

1 stop17h 25m

Siem Reap–Angkor Intl

Sun 14/6

10:30-06:55

1 stop26h 25m

£671

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Wed 18/3

21:00-21:00

3 stops65h 00m

Siem Reap–Angkor Intl

Mon 30/3

21:10-18:40

2 stops51h 30m

£674

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Thu 26/2

10:40-09:50

1 stop16h 10m

Siem Reap–Angkor Intl

Fri 3/4

16:00-05:55

1 stop19h 55m

£679

Flights are sorted by cheapest return flights first.

Deals found on 12/2

Showing 1-10 of 60 results
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Best time to book a flight from United Kingdom to Cambodia

Have a flexible travel schedule? Discover the best time to fly to Cambodia from United Kingdom with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Cambodia

What is the cheapest month to book a flight from United Kingdom to Cambodia?

Currently, September is the cheapest month in which you can book a flight from United Kingdom to Cambodia (average of £357). Flying from United Kingdom to Cambodia in July is currently the most expensive (average of £671). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How often are flights from the United Kingdom to Cambodia delayed?

About 0% of weekly flights between United Kingdom and Cambodia have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for the United Kingdom to Cambodia flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Reviews of airlines servicing Cambodia

Get insights into the airlines that provide service to Cambodia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cambodia. Reviews last updated 16 February 2026.
Check out reviews from past customers who have flown with Singapore Airlines, Thai Airways, andEtihad Airways from the United Kingdom to Cambodia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,456 reviews
Check prices

Comfort

8.0

Crew

8.6

Boarding

8.3

Entertainment

8.0

Food

7.8

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Singapore Airlines
8.2
Very Good
1,456 reviews
Singapore Airlines
8.2
Very Good
1,456 reviews
Check prices

Comfort

8.0

Crew

8.6

Boarding

8.3

Entertainment

8.0

Food

7.8

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Thai Airways
7.8
Good
382 reviews
Singapore Airlines
8.2
Very Good
1,456 reviews
Check prices

Comfort

8.0

Crew

8.6

Boarding

8.3

Entertainment

8.0

Food

7.8

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Etihad Airways
7.3
Good
1,397 reviews
Singapore Airlines
8.2
Very Good
1,456 reviews
Check prices

Comfort

8.0

Crew

8.6

Boarding

8.3

Entertainment

8.0

Food

7.8

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
China Southern
7.3
Good
137 reviews
Singapore Airlines
8.2
Very Good
1,456 reviews
Check prices

Comfort

8.0

Crew

8.6

Boarding

8.3

Entertainment

8.0

Food

7.8

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Air China
7.2
Good
139 reviews
Singapore Airlines
8.2
Very Good
1,456 reviews
Check prices

Comfort

8.0

Crew

8.6

Boarding

8.3

Entertainment

8.0

Food

7.8

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Cambodia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from United Kingdom to Cambodia?

    SWISS, Vietnam Airlines, and Singapore Airlines can get you from United Kingdom to Cambodia in just under 17h 15m. Your travel time can differ by up to 10h 15m. There are 6106 mi between United Kingdom and Cambodia. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from United Kingdom to Cambodia one-way?

    One-way options have recently been found by users for as low as £188 on Shenzhen Airlines. Other airlines that offer cheap prices include China Southern from £256 and Etihad Airways from £304 one-way.

  • Can I find deals for flights from United Kingdom to Cambodia that include hotel bookings?

    Yes. In addition to deals on United Kingdom to Cambodia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Cambodia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Cambodia.

  • Can I find deals for business class flights from United Kingdom to Cambodia?

    Yes. Cheapflights offers flight deals from United Kingdom to Cambodia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from United Kingdom to Cambodia?

    Currently, September is the cheapest month in which you can book a flight from United Kingdom to Cambodia (average of £357). Flying from United Kingdom to Cambodia in July is currently the most expensive (average of £671). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for United Kingdom to Cambodia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from United Kingdom to Cambodia

Discover the top 10 airlines that operate flights from United Kingdom to Cambodia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£263Average£431FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest£357Average£556FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Shenzhen AirlinesCheapest£411Average£471FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Qatar AirwaysCheapest£456Average£775FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
British AirwaysCheapest£491Average£786FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Etihad AirwaysCheapest£501Average£640FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China EasternCheapest£504Average£609FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Austrian AirlinesCheapest£530Average£678FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Singapore AirlinesCheapest£553Average£788FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Malaysia AirlinesCheapest£578Average£712FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to Cambodia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from United Kingdom to Cambodia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Cambodia?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from United Kingdom to Cambodia.

Can Cheapflights find flights from United Kingdom to Cambodia with no change fees?

Yes! Cheapflights helps users easily find flights from United Kingdom to Cambodia with no change fees.

Can Cheapflights notify me if prices for flights from United Kingdom to Cambodia become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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