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Cheap flights from the United Kingdom to Phnom Penh from £330

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PNH
27 Jan — 3 Feb1
1 adult

Cheap flight deals from United Kingdom to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from United Kingdom (GB0) to Phnom Penh (PNH). 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 22 January 2025.

Round-trip from

£516

One-way from

£330
Air China
  • Air China
  • 9/3-23/3
  • 3 total stops
  • 56h 15m total
  • United Kingdom to Phnom Penh
Search Deals
1/6
  • 1/6
  • 3 total stops
  • 37h 50m total
  • United Kingdom to Phnom Penh
Search Deals

Find flight deals from United Kingdom to Phnom Penh

Cheapest flights from United Kingdom to Phnom Penh
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 22 January 2025.

Sun 9/320:25LHR - PNH
2 stops31h 50mAir China
Sun 23/300:25PNH - LHR
1 stop24h 25mAir China
Deal found 20/1£516
Thu 20/321:30LHR - PNH
2 stops34h 05mChina Southern
Sun 30/315:35PNH - LHR
2 stops32h 55mChina Southern
Deal found 21/1£521
Mon 5/522:05LHR - PNH
1 stop31h 05mShenzhen Airlines
Tue 27/512:15PNH - LHR
1 stop37h 45mShenzhen Airlines
Deal found 21/1£532
Thu 30/120:25LHR - PNH
2 stops31h 50mMultiple Airlines
Thu 13/211:05PNH - LHR
3 stops33h 50mMultiple Airlines
Deal found 21/1£554
Wed 5/310:30LGW - PNH
2 stops40h 30mChina Eastern
Wed 19/311:05PNH - LGW
3 stops26h 25mChina Eastern
Deal found 21/1£561
Thu 6/316:15EDI - PNH
2 stops24h 15mMultiple Airlines
Fri 21/308:00PNH - EDI
2 stops21h 30mMultiple Airlines
Deal found 21/1£575
Sun 9/309:25LGW - PNH
1 stop21h 40mMultiple Airlines
Mon 24/311:05PNH - LGW
2 stops26h 25mMultiple Airlines
Deal found 20/1£603
Thu 20/322:05LHR - PNH
1 stop33h 00mSingapore Airlines
Mon 31/318:55PNH - LHR
1 stop26h 50mSingapore Airlines
Deal found 21/1£606
Mon 5/510:15LGW - PNH
1 stop25h 25mSingapore Airlines
Tue 27/509:35PNH - LGW
1 stop26h 50mSingapore Airlines
Deal found 21/1£607
Thu 30/117:50LHR - PNH
3 stops33h 10mChina Eastern
Thu 13/211:05PNH - LHR
3 stops33h 50mChina Eastern
Deal found 21/1£616
Wed 5/310:30LTN - PNH
2 stops30h 00mMultiple Airlines
Wed 19/308:00PNH - LTN
2 stops20h 15mMultiple Airlines
Deal found 21/1£651
Sun 11/519:50LHR - PNH
2 stops35h 10mVietnam Airlines
Sun 1/620:55PNH - LHR
1 stop26h 10mVietnam Airlines
Deal found 21/1£688

Find flights from United Kingdom to Phnom Penh within your budget

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 22 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Sun 9/3

20:25-11:15

2 stops31h 50m

Phnom Penh Pochentong

Sun 23/3

00:25-17:50

1 stop24h 25m

£516

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Thu 20/3

21:30-14:35

2 stops34h 05m

Phnom Penh Pochentong

Sun 30/3

15:35-18:30

2 stops32h 55m

£521

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Mon 5/5

22:05-11:10

1 stop31h 05m

Phnom Penh Pochentong

Tue 27/5

12:15-20:00

1 stop37h 45m

£532

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Wed 5/3

10:30-10:00

2 stops40h 30m

Phnom Penh Pochentong

Wed 19/3

11:05-06:30

3 stops26h 25m

£561

EdinburghPhnom Penh

EDI - PNH

EDIPNH

Edinburgh Turnhouse

Thu 6/3

16:15-23:30

2 stops24h 15m

Phnom Penh Pochentong

Fri 21/3

08:00-22:30

2 stops21h 30m

£575

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Thu 20/2

22:00-10:50

1 stop29h 50m

Phnom Penh Pochentong

Wed 26/2

00:25-15:55

1 stop22h 30m

£588

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Sun 9/3

09:25-14:05

1 stop21h 40m

Phnom Penh Pochentong

Mon 24/3

11:05-06:30

2 stops26h 25m

£603

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Thu 20/3

22:05-14:05

1 stop33h 00m

Phnom Penh Pochentong

Mon 31/3

18:55-15:45

1 stop26h 50m

£606

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Mon 5/5

10:15-17:40

1 stop25h 25m

Phnom Penh Pochentong

Tue 27/5

09:35-06:25

1 stop26h 50m

£607

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Thu 20/2

21:00-10:00

3 stops30h 00m

Phnom Penh Pochentong

Wed 26/2

00:15-17:30

1 stop24h 15m

£651

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 58 results
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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.
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.

Travel insights for flights from United Kingdom to Phnom Penh

Get recent, data-driven insights about flights from United Kingdom to Phnom Penh including ideal travel times, pricing trends, and more.

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 22 January 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.

Rainfall in Phnom Penh by month

Plan your trip to Phnom Penh by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phnom Penh ranges from 0.0 - 250.0 inches per month. October is typically the wettest month, when rainfall can reach 250.0 mm. January is typically the driest time to visit Phnom Penh when rainfall is around 0.0 mm.

Temperature in Phnom Penh by month

Plan your trip to Phnom Penh by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phnom Penh, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 25.0 C).

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 22 January 2025.
Get a feel of what it's like to fly with China Southern, Singapore Airlines and SWISS from United Kingdom to Phnom Penh by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.2
Very Good
737 reviews
Check prices

Comfort

8.0

Overall

8.2

Boarding

8.3

Food

7.8

Crew

8.5

Entertainment

8.0

Reviews

1 / 10

For the money it’s good value. Seat space rather small

China Airlines
8.2
Very Good
737 reviews
China Airlines
8.2
Very Good
737 reviews
Check prices

Comfort

8.0

Overall

8.2

Boarding

8.3

Food

7.8

Crew

8.5

Entertainment

8.0

Reviews

1 / 10

For the money it’s good value. Seat space rather small

Emirates
8.1
Very Good
3,360 reviews
China Airlines
8.2
Very Good
737 reviews
Check prices

Comfort

8.0

Overall

8.2

Boarding

8.3

Food

7.8

Crew

8.5

Entertainment

8.0

Reviews

1 / 10

For the money it’s good value. Seat space rather small

Singapore Airlines
8.1
Very Good
1,328 reviews
China Airlines
8.2
Very Good
737 reviews
Check prices

Comfort

8.0

Overall

8.2

Boarding

8.3

Food

7.8

Crew

8.5

Entertainment

8.0

Reviews

1 / 10

For the money it’s good value. Seat space rather small

Thai Airways
7.8
Good
338 reviews
China Airlines
8.2
Very Good
737 reviews
Check prices

Comfort

8.0

Overall

8.2

Boarding

8.3

Food

7.8

Crew

8.5

Entertainment

8.0

Reviews

1 / 10

For the money it’s good value. Seat space rather small

Vietnam Airlines
7.7
Good
211 reviews
China Airlines
8.2
Very Good
737 reviews
Check prices

Comfort

8.0

Overall

8.2

Boarding

8.3

Food

7.8

Crew

8.5

Entertainment

8.0

Reviews

1 / 10

For the money it’s good value. Seat space rather small

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.

  • What airport do you fly into for flights to Phnom Penh from United Kingdom?

    For a flight from United Kingdom to Phnom Penh, you will be flying into Pochentong. Phnom Penh Pochentong (PNH) is just 5.0 mi from the center of the city.

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

    One-way options have recently been found by users for as low as £331 on Singapore Airlines. Other airlines that offer cheap prices include China Southern from £333 and Air China from £333 one-way.

  • What are the most popular routes from United Kingdom to Phnom Penh?

    While some choose either London Stansted - Phnom Penh Pochentong or London Gatwick - Phnom Penh Pochentong, London Heathrow - Phnom Penh Pochentong is the most popular route from United Kingdom to Phnom Penh.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from United Kingdom to Phnom Penh 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 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.

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.

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 22 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Shenzhen AirlinesCheapest£418Average£491FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest£426Average£620FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£434Average£571FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest£583Average£823FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
British AirwaysCheapest£673Average£924FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Singapore AirlinesCheapest£683Average£792FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Malaysia AirlinesCheapest£699Average£952FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Qatar AirwaysCheapest£700Average£895FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Cathay PacificCheapest£718Average£871FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Vietnam AirlinesCheapest£738Average£823FlexibilityNo cancel feeOn-time81%
Search Vietnam 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 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.

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