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 13/8. Fares are subject to change and may not be available on all flights or dates of travel.
PNH — LON
4 Aug — 11 Aug1
Return
1 adult
Economy
Cheapflights Tip: The best prices from Phnom Penh Pochentong to London are usually found in November or March, booked 44 days in advance, depart on a Sunday or Friday and return on a Monday
Cheap flight deals from Phnom Penh to London
Discover tips and strategies to find the most affordable flight options for your journey from Phnom Penh (PNH) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 July 2025.
Explore the most affordable flight options available from Phnom Penh to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.
Thu 27/1108:00PNH - LHR
1 stop17h 15mChina Southern
Sun 30/1121:30LHR - PNH
2 stops30h 20mChina Southern
Deal found 28/7£488
Sun 17/800:10PNH - LGW
1 stop36h 30mChina Eastern
Wed 17/918:25LGW - PNH
1 stop22h 50mChina Eastern
Deal found 29/7£501
Thu 11/912:05PNH - LGW
1 stop25h 05mChina Southern
Thu 18/912:00LGW - PNH
1 stop20h 30mChina Southern
Deal found 28/7£549
Mon 18/812:40PNH - LHR
2 stops36h 00mChina Eastern
Wed 17/921:20LHR - PNH
1 stop19h 55mChina Eastern
Deal found 29/7£591
Wed 26/1100:15PNH - LHR
1 stop24h 15mMultiple Airlines
Sun 30/1121:10LHR - PNH
1 stop30h 30mMultiple Airlines
Deal found 28/7£596
Thu 18/1200:25PNH - LHR
1 stop24h 25mAir China
Fri 2/117:40LHR - PNH
1 stop22h 30mAir China
Deal found 27/7£617
Thu 11/915:35PNH - LCY
2 stops23h 15mMultiple Airlines
Thu 18/907:45LCY - PNH
2 stops20h 55mMultiple Airlines
Deal found 28/7£667
Wed 10/900:10PNH - LGW
1 stop20h 50mMultiple Airlines
Thu 18/912:00LGW - PNH
1 stop16h 40mMultiple Airlines
Deal found 29/7£668
Fri 12/908:25PNH - STN
3 stops36h 00mMultiple Airlines
Fri 19/907:15STN - PNH
3 stops25h 05mMultiple Airlines
Deal found 29/7£695
Fri 19/1217:10PNH - LHR
2 stops27h 10mBritish Airways
Fri 2/108:05LHR - PNH
2 stops24h 20mBritish Airways
Deal found 27/7£743
Sat 9/820:50PNH - STN
2 stops22h 05mEmirates
Fri 15/821:10STN - PNH
2 stops37h 25mEmirates
Deal found 28/7£933
Thu 11/918:55PNH - LCY
2 stops19h 55mSWISS
Thu 18/909:25LCY - PNH
2 stops41h 15mSWISS
Deal found 29/7£963
Best flights from Phnom Penh to London
Discover carefully curated flight deals from Phnom Penh to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 July 2025.
Thu 27/1108:00PNH - LHR
1 stop17h 15mChina Southern
Sun 30/1121:30LHR - PNH
2 stops30h 20mChina Southern
Deal found 28/7£488
Sun 17/800:10PNH - LGW
1 stop36h 30mChina Eastern
Wed 17/918:25LGW - PNH
1 stop22h 50mChina Eastern
Deal found 29/7£501
Wed 26/1100:15PNH - LHR
1 stop24h 15mMultiple Airlines
Sun 30/1121:10LHR - PNH
1 stop30h 30mMultiple Airlines
Deal found 28/7£596
Thu 18/1200:25PNH - LHR
1 stop24h 25mAir China
Fri 2/117:40LHR - PNH
1 stop22h 30mAir China
Deal found 27/7£617
Sun 28/917:40PNH - LGW
2 stops19h 00mBritish Airways
Sun 12/1014:55LGW - PNH
2 stops19h 20mBritish Airways
Deal found 28/7£718
Fri 3/1017:40PNH - LHR
2 stops20h 20mQatar Airways
Sun 12/1015:35LHR - PNH
2 stops18h 40mQatar Airways
Deal found 28/7£767
Sat 9/820:50PNH - STN
2 stops22h 05mEmirates
Fri 15/821:10STN - PNH
2 stops37h 25mEmirates
Deal found 28/7£933
Thu 11/918:55PNH - LCY
2 stops19h 55mSWISS
Thu 18/909:25LCY - PNH
2 stops41h 15mSWISS
Deal found 29/7£963
Thu 11/912:05PNH - LGW
1 stop25h 05mChina Southern
Thu 18/912:00LGW - PNH
1 stop20h 30mChina Southern
Deal found 28/7£549
Mon 18/812:40PNH - LHR
2 stops36h 00mChina Eastern
Wed 17/921:20LHR - PNH
1 stop19h 55mChina Eastern
Deal found 29/7£591
Thu 11/915:35PNH - LCY
2 stops23h 15mMultiple Airlines
Thu 18/907:45LCY - PNH
2 stops20h 55mMultiple Airlines
Deal found 28/7£667
Wed 10/900:10PNH - LGW
1 stop20h 50mMultiple Airlines
Thu 18/912:00LGW - PNH
1 stop16h 40mMultiple Airlines
Deal found 29/7£668
Last-minute flights from Phnom Penh to London
Discover last-minute flight deals from Phnom Penh to London. Data last updated 30 July 2025 and is based on user searches.
Tue 29/700:20PNH - LHR
1 stop23h 25mAir China
Wed 30/720:25LHR - PNH
1 stop20h 40mAir China
Deal found 29/7£1,036
Fri 1/812:05PNH - LGW
2 stops36h 25mChina Southern
Fri 15/812:00LGW - PNH
1 stop20h 30mChina Southern
Deal found 27/7£878
Fri 1/820:50PNH - LGW
2 stops40h 30mEmirates
Fri 15/821:45LGW - PNH
2 stops36h 50mEmirates
Deal found 27/7£945
Fri 1/809:25PNH - LCY
2 stops30h 05mKLM
Fri 15/807:45LCY - PNH
2 stops29h 00mKLM
Deal found 27/7£1,185
Sun 3/820:50PNH - STN
2 stops46h 05mEmirates
Sun 17/821:10STN - PNH
2 stops37h 25mEmirates
Deal found 27/7£822
Tue 5/818:20PNH - LHR
1 stop17h 35mMalaysia Airlines
Tue 26/811:00LHR - PNH
1 stop17h 00mMalaysia Airlines
Deal found 28/7£2,230
Fri 8/800:10PNH - LGW
1 stop20h 50mChina Eastern
Fri 15/811:35LGW - PNH
2 stops42h 00mChina Eastern
Deal found 28/7£590
Fri 8/800:10PNH - LHR
1 stop24h 30mChina Eastern
Fri 15/821:20LHR - PNH
1 stop19h 55mChina Eastern
Deal found 28/7£638
Fri 8/800:10PNH - LGW
1 stop20h 50mMultiple Airlines
Fri 15/806:00LGW - PNH
3 stops30h 15mMultiple Airlines
Deal found 28/7£856
Fri 8/800:10PNH - LHR
1 stop24h 30mMultiple Airlines
Fri 15/807:05LHR - PNH
2 stops19h 45mMultiple Airlines
Deal found 28/7£869
Sat 9/811:05PNH - LHR
2 stops29h 10mMultiple Airlines
Fri 15/821:05LHR - PNH
3 stops33h 55mMultiple Airlines
Deal found 28/7£851
Sun 17/800:10PNH - LGW
1 stop36h 30mChina Eastern
Wed 17/918:25LGW - PNH
1 stop22h 50mChina Eastern
Deal found 29/7£501
One-way flights from Phnom Penh to London
Search for one-way flight options from Phnom Penh to London. Find affordable one-way fares based on user searches. Data last updated 30 July 2025.
Wed 13/812:05PNH - LGW
1 stop25h 00mChina Southern
Deal found 28/7£239
Wed 20/812:40PNH - LGW
2 stops32h 20mChina Eastern
Deal found 28/7£244
Sun 17/800:10PNH - LHR
1 stop24h 30mChina Eastern
Deal found 28/7£244
Thu 21/800:20PNH - LHR
1 stop26h 10mAir China
Deal found 28/7£256
Sat 23/800:20PNH - LGW
1 stop24h 50mAir China
Deal found 28/7£258
Tue 23/920:20PNH - LHR
2 stops29h 40mMultiple Airlines
Deal found 28/7£290
Wed 20/815:35PNH - LHR
1 stop33h 25mChina Southern
Deal found 28/7£313
Mon 18/819:10PNH - LGW
2 stops25h 50mMultiple Airlines
Deal found 28/7£321
Tue 7/1020:20PNH - STN
2 stops22h 35mMultiple Airlines
Deal found 27/7£327
Sat 9/809:40PNH - LHR
1 stop15h 35mThai Airways
Deal found 28/7£370
Fri 19/912:15PNH - LHR
1 stop37h 35mShenzhen Airlines
Deal found 29/7£411
Fri 19/920:50PNH - STN
1 stop22h 05mEmirates
Deal found 29/7£427
Cheapflights Fare Finder
Customise your flight search to find flights from Phnom Penh to London 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 30 July 2025.
Use the filters below to find and compare flights from Phnom Penh to London that are best for you.
Fly from
Phnom Penh
Fly to
London
Route
Depart
Return
Price
Phnom PenhLondon
PNH - LHR
PNHLHR
Phnom Penh Pochentong
Thu 27/11
08:00-18:15
1 stop17h 15m
London Heathrow
Sun 30/11
21:30-10:50
2 stops30h 20m
£488
Phnom PenhLondon
PNH - LGW
PNHLGW
Phnom Penh Pochentong
Sun 17/8
00:10-06:40
1 stop36h 30m
London Gatwick
Wed 17/9
18:25-23:15
1 stop22h 50m
£501
Phnom PenhLondon
PNH - LGW
PNHLGW
Phnom Penh Pochentong
Thu 11/9
12:05-07:10
1 stop25h 05m
London Gatwick
Thu 18/9
12:00-14:30
1 stop20h 30m
£549
Phnom PenhLondon
PNH - LHR
PNHLHR
Phnom Penh Pochentong
Mon 18/8
12:40-18:40
2 stops36h 00m
London Heathrow
Wed 17/9
21:20-23:15
1 stop19h 55m
£591
Phnom PenhLondon
PNH - LHR
PNHLHR
Phnom Penh Pochentong
Wed 26/11
00:15-17:30
1 stop24h 15m
London Heathrow
Sun 30/11
21:10-10:40
1 stop30h 30m
£596
Phnom PenhLondon
PNH - LHR
PNHLHR
Phnom Penh Pochentong
Thu 18/12
00:25-17:50
1 stop24h 25m
London Heathrow
Fri 2/1
17:40-23:10
1 stop22h 30m
£617
Phnom PenhLondon
PNH - LCY
PNHLCY
Phnom Penh Pochentong
Thu 11/9
15:35-08:50
2 stops23h 15m
London City
Thu 18/9
07:45-10:40
2 stops20h 55m
£667
Phnom PenhLondon
PNH - LGW
PNHLGW
Phnom Penh Pochentong
Wed 10/9
00:10-15:00
1 stop20h 50m
London Gatwick
Thu 18/9
12:00-10:40
1 stop16h 40m
£668
Phnom PenhLondon
PNH - STN
PNHSTN
Phnom Penh Pochentong
Fri 12/9
08:25-14:25
3 stops36h 00m
London Stansted
Fri 19/9
07:15-14:20
3 stops25h 05m
£695
Phnom PenhLondon
PNH - LGW
PNHLGW
Phnom Penh Pochentong
Sun 28/9
17:40-06:40
2 stops19h 00m
London Gatwick
Sun 12/10
14:55-16:15
2 stops19h 20m
£718
Flights are sorted by cheapest return flights first.
Deals found on 28/7
Showing 1-10 of 38 results
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Best time to book a flight from Phnom Penh to London
Have a flexible travel schedule? Discover the best time to fly to London from Phnom Penh 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 Phnom Penh to London
How far ahead should I book a flight from Phnom Penh to London?
Use this chart to determine the optimal time to book a return flight from Phnom Penh to London. Price data was last updated on 25 July 2025.
Booking 44 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phnom Penh to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Phnom Penh to London?
Currently, January is the cheapest month in which you can book a flight from Phnom Penh to London (average of £112). Flying from Phnom Penh to London in August is currently the most expensive (average of £164). 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.
What’s the top stopover airport for flights from Phnom Penh to London?
Share of one-stop return flights from Phnom Penh to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Guangzhou (CAN) – chosen by Cheapflights users on 44% of one-stop itineraries from Phnom Penh to London on Cheapflights.
What’s the cheapest stopover airport for flights from Phnom Penh to London?
Average return fare for one-stop flights from Phnom Penh to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Guangzhou (CAN) is the most affordable one-stop option, with an average return flight price of £516.
What’s the fastest stopover option from Phnom Penh to London?
Shortest average travel time for one-stop one-way flights from Phnom Penh to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Abu Dhabi (AUH) have the shortest average one-way travel time for one-stop routes: 8h 55m.
Which airport typically offers the quickest stopover for flights from Phnom Penh to London?
Average stopover duration for one-stop one-way flights from Phnom Penh to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Abu Dhabi (AUH) offer the fastest connection on this route, with an average stopover time of 1h 19m.
Reviews of airlines servicing London
Get insights into the airlines that provide service to London. 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 London. Reviews last updated 30 July 2025.
See what other customers who have flown with Asiana Airlines, Emirates, andSingapore Airlines from Phnom Penh to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob
I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob
I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob
I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob
I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob
I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob
Related info for your journey
Find useful and relevant information for your journey from Phnom Penh to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly from for flights from Phnom Penh to London?
Phnom Penh Pochentong (PNH) is the airport you will fly out of if you book a flight from Phnom Penh to London. You should not have trouble finding flights to London from Pochentong; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Phnom Penh airport to London. It is only a 5.0 mi journey to Pochentong (PNH) from Phnom Penh’s city center.
What are the cheapest airlines flying from Phnom Penh to London round-trip?
China Southern, at £488, was found to be the cheapest airline from Phnom Penh to London.Alternate airlines flying return to your destination include China Eastern and Air China. China Southern is currently priced 30% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Phnom Penh to London one-way?
The cheapest airline one-way is China Southern, with whom users have recently found tickets for as low as £239. However, be on the lookout for offers from China Eastern and Air China, as they are both options that can get you from Phnom Penh to London for a low price.
What are the most popular routes from Phnom Penh to London?
When deciding which route to take from Phnom Penh to London consider Phnom Penh Pochentong - London Gatwick, Phnom Penh Pochentong - London Heathrow or Phnom Penh Pochentong - London Stansted as they are the most popular.
Can I find deals for flights from Phnom Penh to London that include hotel bookings?
Yes. In addition to deals on Phnom Penh to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Phnom Penh to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phnom Penh to London.
Can I find deals for business class flights from Phnom Penh to London?
Yes. Cheapflights offers flight deals from Phnom Penh to London 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 Phnom Penh to London?
Currently, January is the cheapest month in which you can book a flight from Phnom Penh to London (average of £112). Flying from Phnom Penh to London in August is currently the most expensive (average of £164). 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.
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 Phnom Penh to London?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from Phnom Penh today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Phnom Penh to London?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Phnom Penh.
Can Cheapflights find flights from Phnom Penh to London with no change fees?
Yes, we can. To see specific flights from Phnom Penh to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Phnom Penh to London become cheaper?
Yes, Cheapflights offers price alerts on Phnom Penh to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
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