Cheap flights from the United Kingdom to Phnom Penh from £287
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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from United Kingdom to Phnom Penh
Keep the following information in mind while searching for United Kingdom to Phnom Penh flight deals. Data was last updated 15 July 2025.
Round-trip from | £527 |
---|---|
One-way from | £287 |
Popular in | July |
Cheapest in | November |
Average price | £850 |
Find flight deals from United Kingdom to Phnom Penh
Cheapest flights from United Kingdom to Phnom PenhExplore the most affordable flight options available from United Kingdom to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 July 2025.
Explore the most affordable flight options available from United Kingdom to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from United Kingdom to Phnom Penh 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 15 July 2025.
Use the filters below to find and compare flights from the United Kingdom to Phnom Penh that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
ManchesterPhnom Penh
MAN - PNH
MANPNH
Manchester
Mon 3/11
06:05-23:30
2 stops34h 25m
Phnom Penh Pochentong
Sun 23/11
08:00-22:10
2 stops21h 10m
LondonPhnom Penh
LHR - PNH
LHRPNH
London Heathrow
Sun 19/10
14:45-06:55
1 stop34h 10m
Phnom Penh Pochentong
Mon 3/11
07:55-06:45
1 stop29h 50m
LondonPhnom Penh
LGW - PNH
LGWPNH
London Gatwick
Thu 28/8
12:00-00:10
1 stop30h 10m
Phnom Penh Pochentong
Thu 4/9
08:00-07:10
1 stop29h 10m
LondonPhnom Penh
LHR - PNH
LHRPNH
London Heathrow
Sat 4/10
22:10-14:30
1 stop34h 20m
Phnom Penh Pochentong
Sun 30/11
15:50-18:15
1 stop33h 25m
LondonPhnom Penh
LHR - PNH
LHRPNH
London Heathrow
Wed 5/11
17:40-23:10
1 stop22h 30m
Phnom Penh Pochentong
Tue 25/11
00:25-17:50
1 stop24h 25m
LondonPhnom Penh
LGW - PNH
LGWPNH
London Gatwick
Sun 12/10
09:05-06:55
2 stops39h 50m
Phnom Penh Pochentong
Sun 26/10
19:55-18:30
1 stop29h 35m
LondonPhnom Penh
LHR - PNH
LHRPNH
London Heathrow
Mon 20/10
22:05-11:10
1 stop31h 05m
Phnom Penh Pochentong
Sat 1/11
11:40-19:10
1 stop38h 30m
LondonPhnom Penh
LGW - PNH
LGWPNH
London Gatwick
Wed 17/9
12:35-23:05
1 stop28h 30m
Phnom Penh Pochentong
Tue 30/9
00:20-06:35
1 stop36h 15m
LondonPhnom Penh
STN - PNH
STNPNH
London Stansted
Thu 30/10
18:05-23:10
3 stops46h 05m
Phnom Penh Pochentong
Thu 20/11
12:10-16:00
3 stops34h 50m
LondonPhnom Penh
LHR - PNH
LHRPNH
London Heathrow
Tue 9/9
21:20-11:35
3 stops32h 15m
Phnom Penh Pochentong
Thu 9/10
18:50-18:40
2 stops29h 50m
Best time to book a flight from United Kingdom to Phnom Penh
Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from United Kingdom with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from the United Kingdom to Phnom Penh
What is the cheapest month to book a flight from United Kingdom to Phnom Penh?
Currently, September is the cheapest month in which you can book a flight from United Kingdom to Phnom Penh (average of £689). Flying from United Kingdom to Phnom Penh in July is currently the most expensive (average of £1,232). 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 is the cheapest time of day to fly from GB to PNH?
Find hourly flight availability from United Kingdom to Phnom Penh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 July 2025.
When flying from United Kingdom to Phnom Penh, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Phnom Penh
Get insights into the airlines that provide service to Phnom Penh. 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 Phnom Penh. Reviews last updated 15 July 2025.
Check out reviews from past customers who have flown with China Airlines, Emirates, andSingapore Airlines from the United Kingdom to Phnom Penh 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
Food
Overall
Comfort
Entertainment
Crew
Reviews
Anonymous,Jul 2025
SFO - TPE
Boarding
Food
Overall
Comfort
Entertainment
Crew
Reviews
Anonymous,Jul 2025
SFO - TPE
Boarding
Food
Overall
Comfort
Entertainment
Crew
Reviews
Anonymous,Jul 2025
SFO - TPE
Boarding
Food
Overall
Comfort
Entertainment
Crew
Reviews
Anonymous,Jul 2025
SFO - TPE
Boarding
Food
Overall
Comfort
Entertainment
Crew
Reviews
Anonymous,Jul 2025
SFO - TPE
Boarding
Food
Overall
Comfort
Entertainment
Crew
Reviews
Anonymous,Jul 2025
SFO - TPE
Related info for your journey
Find useful and relevant information for your journey from United Kingdom to Phnom Penh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for United Kingdom to Phnom Penh
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from United Kingdom to Phnom Penh
Discover the top 10 airlines that operate flights from United Kingdom to Phnom Penh. 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 15 July 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from United Kingdom to Phnom Penh?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from United Kingdom to Phnom Penh. 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 Phnom Penh?
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 Phnom Penh.
Can Cheapflights find flights from United Kingdom to Phnom Penh with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from United Kingdom to Phnom Penh, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from United Kingdom to Phnom Penh become cheaper?
Not ready to book yet? You can track prices for flights from United Kingdom to Phnom Penh on Cheapflights with our Price Alert feature and get notified when better prices are available.