Cheap flights from the United Kingdom to Cambodia from £277

LHR — KTI
25 Oct — 1 Nov1
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

Wed 11/1120:25 -
1 stop19h 45m
Mon 16/1100:25 -
1 stop22h 30m
Deal found 20/9£413
Wed 21/1012:35 -
1 stop28h 30m
Mon 9/1100:25 -
1 stop36h 55m
Deal found 20/9£415
Fri 30/1009:50 -
1 stop22h 15m
Wed 4/1111:55 -
1 stop25h 35m
Deal found 24/9£419
Wed 2/1222:00 -
1 stop18h 30m
Sat 12/1208:00 -
1 stop17h 35m
Deal found 24/9£438
Sat 5/1209:50 -
1 stop18h 00m
Fri 11/1216:10 -
1 stop21h 20m
Deal found 25/9£439
Tue 27/1022:00 -
1 stop29h 50m
Mon 2/1111:55 -
1 stop37h 40m
Deal found 25/9£439
Thu 19/1122:30 -
1 stop29h 10m
Sun 29/1111:40 -
1 stop38h 30m
Deal found 23/9£441
Wed 21/1022:40 -
1 stop18h 25m
Mon 9/1100:25 -
1 stop22h 30m
Deal found 20/9£442
Sun 1/1121:10 -
1 stop30h 30m
Sat 28/1111:40 -
1 stop38h 30m
Deal found 20/9£443
Fri 4/1209:50 -
1 stop22h 15m
Thu 10/1216:10 -
1 stop21h 20m
Deal found 24/9£448
Thu 22/1022:00 -
1 stop31h 10m
Tue 3/1111:40 -
1 stop38h 30m
Deal found 25/9£448
Fri 4/1222:00 -
1 stop34h 05m
Sun 13/1216:10 -
1 stop33h 25m
Deal found 24/9£449

Find flight deals from United Kingdom to Cambodia

Round-trip from

£415

One-way from

£277

Popular in

July

Cheapest in

November

Average price

£643
Air China
  • Air China
  • 21/10-9/11
  • 2 total stops
  • 65h 25m total
  • United Kingdom to Cambodia
18/11-31/12
  • 18/11-31/12
  • 2 total stops
  • 34h 55m total
  • United Kingdom to Cambodia
Highest demand for flights based on searches. 13% potential increase in price (£81 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Average for round-trip flights in September 2026

Cheapflights Fare Finder

 
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

Cheapest return flight

LondonPhnom Penh

LHR London Heathrow - KTI Phnom Penh Techo Intl

LHRKTI

London Heathrow

Mon 23/11

21:10-10:40

1 stop30h 30m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£287

LondonPhnom Penh

LHR London Heathrow - KTI Phnom Penh Techo Intl

LHRKTI

London Heathrow

Wed 30/9

22:05-11:10

1 stop31h 05m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£289

Newcastle upon TynePhnom Penh

NCL Newcastle upon Tyne - KTI Phnom Penh Techo Intl

NCLKTI

Newcastle upon Tyne

Mon 2/11

07:00-18:20

2 stops28h 20m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£299

ManchesterPhnom Penh

MAN Manchester - KTI Phnom Penh Techo Intl

MANKTI

Manchester

Sun 1/11

12:35-16:45

3 stops45h 10m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£313

ManchesterPhnom Penh

MAN Manchester - KTI Phnom Penh Techo Intl

MANKTI

Manchester

Thu 28/1

13:05-08:25

3 stops36h 20m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£336

LondonPhnom Penh

LGW London Gatwick - KTI Phnom Penh Techo Intl

LGWKTI

London Gatwick

Thu 14/1

10:30-23:10

2 stops29h 40m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£350

ManchesterPhnom Penh

MAN Manchester - KTI Phnom Penh Techo Intl

MANKTI

Manchester

Thu 7/1

13:50-18:20

1 stop21h 30m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£359

LondonPhnom Penh

STN London Stansted - KTI Phnom Penh Techo Intl

STNKTI

London Stansted

Thu 1/10

07:20-09:55

3 stops44h 35m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£362
Fastest return journey

ManchesterPhnom Penh

MAN Manchester - KTI Phnom Penh Techo Intl

MANKTI

Manchester

Fri 20/11

19:55-18:20

1 stop15h 25m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£365

ManchesterPhnom Penh

MAN Manchester - KTI Phnom Penh Techo Intl

MANKTI

Manchester

Mon 16/11

19:55-18:20

1 stop15h 25m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£365

Flights are sorted by cheapest return flights first.

Deals found on 25/9

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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, June is the cheapest month in which you can book a flight from United Kingdom to Cambodia (average of £642). Flying from United Kingdom to Cambodia in July is currently the most expensive (average of £974). 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 far ahead should I book a flight from United Kingdom to Cambodia?

The price you pay for your flight from United Kingdom to Cambodia may vary depending on when you book. For the best chance of a lower fare, look to book 16 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Cambodia

Check out reviews from past customers who have flown with Singapore Airlines,Thai Airways, andCathay Pacific 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.

Boarding

8.3

Crew

8.7

Overall

8.2

Comfort

8.0

Entertainment

8.1

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Boarding

8.3

Crew

8.7

Overall

8.2

Comfort

8.0

Entertainment

8.1

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Boarding

8.3

Crew

8.7

Overall

8.2

Comfort

8.0

Entertainment

8.1

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Boarding

8.3

Crew

8.7

Overall

8.2

Comfort

8.0

Entertainment

8.1

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Boarding

8.3

Crew

8.7

Overall

8.2

Comfort

8.0

Entertainment

8.1

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Boarding

8.3

Crew

8.7

Overall

8.2

Comfort

8.0

Entertainment

8.1

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Related info for your journey

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

    Shenzhen Airlines, Austrian Airlines, and British Airways can get you from United Kingdom to Cambodia in just under 16h 30m. Your travel time can differ by up to 18h 25m. There are 6246 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 £169 on Singapore Airlines. Other airlines that offer cheap prices include Etihad Airways from £245 and China Southern from £257 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, June is the cheapest month in which you can book a flight from United Kingdom to Cambodia (average of £642). Flying from United Kingdom to Cambodia in July is currently the most expensive (average of £974). 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

Alternative routes for United Kingdom to Cambodia

Top 10 airlines flying from United Kingdom to Cambodia

AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£240Average£501FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£271Average£492FlexibilityNo cancel feeOn-time67%
Search Air China flights
Singapore AirlinesCheapest£367Average£895FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Shenzhen AirlinesCheapest£416Average£616FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Etihad AirwaysCheapest£515Average£688FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Austrian AirlinesCheapest£548Average£698FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
China EasternCheapest£586Average£642FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Malaysia AirlinesCheapest£597Average£767FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Qatar AirwaysCheapest£600Average£812FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Vietnam AirlinesCheapest£626Average£828FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights

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