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£234+ Cheap flights to Phnom Penh

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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
— PNH
19 Apr — 26 Apr1
1 adult

Flights to Phnom Penh in 2025

Find the latest flights to Phnom Penh in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 14 April 2025.

Return from

£493

One-way from

£234

Popular in

August

Cheapest in

November

Average price

£807
China Southern
  • China Southern
  • 24/4-25/6
  • 3 total stops
  • 52h 30m total
  • London to Phnom Penh
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27/4
  • 27/4
  • 3 total stops
  • 52h 15m total
  • London to Phnom Penh
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£59 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
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Average for return flights in April 2025
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Find flight deals to Phnom Penh

Cheapest flights to Phnom Penh
Explore the most affordable flight options available to Phnom Penh. Find the lowest fares based on data from user searches, with prices last updated on 14 April 2025.

Thu 24/422:10LHR - PNH
1 stop20h 00mChina Southern
Wed 25/615:35PNH - LHR
2 stops32h 30mChina Southern
Deal found 13/4£493
Mon 3/1120:25LHR - PNH
1 stop19h 45mAir China
Tue 2/1200:25PNH - LHR
1 stop22h 30mAir China
Deal found 13/4£494
Mon 1/1211:40LGW - PNH
2 stops52h 30mAir China
Fri 12/1200:25PNH - LGW
2 stops37h 30mAir China
Deal found 14/4£512
Thu 29/518:00LGW - PNH
1 stop23h 15mChina Eastern
Wed 4/600:10PNH - LGW
1 stop20h 50mChina Eastern
Deal found 14/4£549
Tue 22/411:35LGW - PNH
2 stops28h 45mMultiple Airlines
Tue 6/510:55PNH - LGW
2 stops34h 05mMultiple Airlines
Deal found 14/4£564
Wed 21/507:25STN - PNH
3 stops28h 50mMultiple Airlines
Wed 11/607:00PNH - STN
3 stops41h 00mMultiple Airlines
Deal found 13/4£567
Sun 4/522:05LHR - PNH
1 stop31h 05mShenzhen Airlines
Sat 17/512:15PNH - LHR
1 stop37h 45mShenzhen Airlines
Deal found 13/4£573
Fri 19/912:25LGW - PNH
1 stop29h 45mChina Southern
Mon 6/1015:35PNH - LGW
2 stops32h 55mChina Southern
Deal found 13/4£578
Mon 5/521:20LHR - PNH
1 stop19h 55mChina Eastern
Sun 25/500:10PNH - LHR
1 stop24h 30mChina Eastern
Deal found 13/4£580
Wed 30/420:25LHR - PNH
2 stops32h 45mMultiple Airlines
Fri 9/512:15PNH - LHR
1 stop37h 35mMultiple Airlines
Deal found 13/4£602
Tue 6/522:05LHR - PNH
1 stop28h 35mSingapore Airlines
Mon 19/518:55PNH - LHR
1 stop26h 50mSingapore Airlines
Deal found 13/4£632
Tue 10/610:15LGW - PNH
1 stop25h 25mSingapore Airlines
Tue 17/609:35PNH - LGW
1 stop26h 50mSingapore Airlines
Deal found 12/4£643

Cheapflights Fare Finder

Locate flights to Phnom Penh that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 14 April 2025.
Use the filters below to find and compare flights to Phnom Penh that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Thu 24/4

22:10-00:10

1 stop20h 00m

Phnom Penh Pochentong

Wed 25/6

15:35-18:05

2 stops32h 30m

£493

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Thu 24/4

12:35-23:05

1 stop28h 30m

Phnom Penh Pochentong

Tue 24/6

00:20-06:35

1 stop36h 15m

£543

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Thu 29/5

18:00-23:15

1 stop23h 15m

Phnom Penh Pochentong

Wed 4/6

00:10-15:00

1 stop20h 50m

£549

LondonPhnom Penh

STN - PNH

STNPNH

London Stansted

Wed 21/5

07:25-18:15

3 stops28h 50m

Phnom Penh Pochentong

Wed 11/6

07:00-18:00

3 stops41h 00m

£567

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Sun 4/5

22:05-11:10

1 stop31h 05m

Phnom Penh Pochentong

Sat 17/5

12:15-20:00

1 stop37h 45m

£573

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Fri 19/9

12:25-00:10

1 stop29h 45m

Phnom Penh Pochentong

Mon 6/10

15:35-18:30

2 stops32h 55m

£578

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Mon 5/5

21:20-23:15

1 stop19h 55m

Phnom Penh Pochentong

Sun 25/5

00:10-18:40

1 stop24h 30m

£580

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Wed 30/4

11:15-11:10

2 stops41h 55m

Phnom Penh Pochentong

Wed 7/5

12:40-15:00

2 stops32h 20m

£583

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Wed 14/5

20:25-23:05

1 stop20h 40m

Phnom Penh Pochentong

Tue 20/5

12:15-20:30

2 stops38h 15m

£586

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Wed 30/4

20:25-11:10

2 stops32h 45m

Phnom Penh Pochentong

Fri 9/5

12:15-19:50

1 stop37h 35m

£602

Flights are sorted by cheapest return flights first.

Deals found on 12/4

Showing 1-10 of 52 results
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Best time to book a flight to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to 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 to Phnom Penh

When is the best time to book a flight to Phnom Penh?

Use this chart to determine the optimal time to book a return flight from London to Phnom Penh. Price data was last updated on 11 April 2025.

The price you pay for your flight to Phnom Penh may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

How long is the flight to Phnom Penh?

On average, a flight from London to Phnom Penh takes 19 hours 25 minutes. Flights to Phnom Penh from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Phnom Penh?

Use this chart to determine the cheapest time to fly return from London to Phnom Penh. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Phnom Penh should consider flying on Monday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Thursday afternoons, when prices are usually at their highest.

What are the most popular airlines that fly to Phnom Penh?

The most popular airlines flying from London to Phnom Penh are China Southern, Air China and Singapore Airlines.

China Southern

China Southern

From £539

Air China

Air China

From £411

Singapore Airlines

Singapore Airlines

From £813

Thai Airways

Thai Airways

From £1,015

What are the cheapest airlines that fly to Phnom Penh?

The cheapest airlines flying from London to Phnom Penh are Air China, Shenzhen Airlines and China Southern.

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 14 April 2025.
To help decide which airline to fly to Phnom Penh, see what other customers have to say about China Airlines, Singapore Airlines and Emirates. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.2
Very Good
729 reviews
Check prices

Crew

8.5

Comfort

8.0

Food

7.8

Overall

8.2

Boarding

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
China Airlines
8.2
Very Good
729 reviews
China Airlines
8.2
Very Good
729 reviews
Check prices

Crew

8.5

Comfort

8.0

Food

7.8

Overall

8.2

Boarding

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Singapore Airlines
8.1
Very Good
1,288 reviews
China Airlines
8.2
Very Good
729 reviews
Check prices

Crew

8.5

Comfort

8.0

Food

7.8

Overall

8.2

Boarding

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Emirates
8.0
Very Good
3,195 reviews
China Airlines
8.2
Very Good
729 reviews
Check prices

Crew

8.5

Comfort

8.0

Food

7.8

Overall

8.2

Boarding

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
KLM
7.8
Good
1,323 reviews
China Airlines
8.2
Very Good
729 reviews
Check prices

Crew

8.5

Comfort

8.0

Food

7.8

Overall

8.2

Boarding

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Thai Airways
7.7
Good
323 reviews
China Airlines
8.2
Very Good
729 reviews
Check prices

Crew

8.5

Comfort

8.0

Food

7.8

Overall

8.2

Boarding

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

FAQs about flying to Phnom Penh

Getting around Phnom Penh

Walking around the centre of Phnom Penh is an enjoyable way to get a feel for the city, but to get around the suburbs, travelling by tuk-tuk or taxi is advisable. You can rent motorbikes at a very cheap rate as well, if you are confident about dodging traffic (and don’t forget to rent a helmet as well). However, a more sedate form of local transport is the fleet of three-wheeled cycle rickshaws.

Getting from the Airport to the City

There will be taxis gathered directly outside the arrivals terminal once you have landed on your flight to Phnom Penh, and they should charge a flat rate to get you into the city. For an even cheaper ride, leave the airport and catch a tuk-tuk or one of the many motorcycles that will ferry those with less luggage into town. There is also a city bus that will take you straight to the Central Market.

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

    Travelers will need to book flights to Pochentong (PNH) if they wish to fly to Phnom Penh. The Phnom Penh airport is 5.0 mi from the city center.

  • Can I find cheaper flights to Phnom Penh if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Phnom Penh on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Phnom Penh?

    Based on reviews from Cheapflights users, Air China is rated the highest out of the airlines that fly to Phnom Penh.

  • What is the cheapest airport to fly to in Phnom Penh?

    Phnom Penh Pochentong is currently the cheapest airport to fly to in Phnom Penh. One-way flights to Phnom Penh Pochentong typically cost £26, while return flights cost around £69.

  • How much is a return flight to Phnom Penh?

    A return flight to Phnom Penh will typically cost around £159, however they can be found for as little as £55.

  • Where does the fastest flight to Phnom Penh depart from?

    For those looking to save time traveling to Phnom Penh, London offers the quickest one-way flight (15 hours 45 minutes).

  • Does Phnom Penh Pochentong have car hire?

    Yes. Those touching down at Phnom Penh Pochentong can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Phnom Penh Pochentong?

    Yes. Phnom Penh Pochentong has hotels nearby for those requiring accommodations. Chinese Guesthouse is the closest property to Phnom Penh Pochentong (0.0 mi away from Phnom Penh Pochentong).

See more FAQs

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Cheapflights does show flights with no change fees to all users. To see these options for flights to Phnom Penh, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights to Phnom Penh become cheaper?

Yes, Cheapflights offers price alerts on Phnom Penh flights so you can book your flight when prices are ideal. Enable price alerts 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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