What are the cheapest airlines flying from Phnom Penh to London round-trip?

According to our current data, China Eastern ($623), China Southern ($675), and Shenzhen Airlines ($704) offers the cheapest pricing from Phnom Penh to London. These flights start at 35% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Phnom Penh to London one-way?

For one-way options, check prices for Shenzhen Airlines. According to our data, you can fly for as low as $333. Users have also found prices from $334 and $341 on China Eastern and China Southern, respectively.

What is the cheapest day to fly from Phnom Penh to London?

Travelers seeking maximum savings on their Phnom Penh to London flight should consider departing on Tuesday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 Heathrow, Phnom Penh Pochentong - London City or Phnom Penh Pochentong - London Gatwick as they are the most popular.

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

The most popular airlines flying from Phnom Penh to London are British Airways, Air China and China Southern. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Phnom Penh to London?

Departing on a Friday is a good option for securing a great price. You can expect to save up to 24% when planning your travel around this day of the week.

How far in advance should I book a flight from Phnom Penh to London?

Users have found that booking a flight from Phnom Penh to London at least 45 days early can save you up to 46% on average compared to booking a flight this week. If booking 45 days before your flight isn’t an option for you, users have found flights from Phnom Penh to London for as little as $770 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,260 for flights departing within the next 3 days.

What is the cheapest month to fly from Phnom Penh to London?

May can be a great time to fly to London from Phnom Penh with a flight ticket averaging about $963. Cheapflights users have found deals in the month of May for as cheap as $638. The most expensive prices can be found in the month of July.

Most accurate provider : When it comes to deals on Phnom Penh-London flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Phnom Penh-London flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Phnom Penh-London flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Phnom Penh-London flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phnom Penh-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Phnom Penh to London?

Phnom Penh Pochentong (PNH), located 5.0 mi from the city center, is the airport you fly out of when you book flights from Phnom Penh to London. 9 airlines have flights from Pochentong to London on a regular basis. Booking flights from Phnom Penh Pochentong to London should not be difficult; the airport handles an average of 0 outbound flights to London per day.

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 vacation 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.

$333+ Flights from Phnom Penh to London

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Find cheap flights from Phnom Penh to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Phnom Penh Pochentong to London are usually found in May or August, booked 44 days in advance, depart on a Saturday or Thursday and return on a Monday

Cheap flight deals from Phnom Penh to London

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$623 (Priceline)
One-way from	$333 (Shenzhen Airlines)
Popular in	July
Cheapest in	May
Average price	$1,281

Provider with most accurate pricing for Phnom Penh Pochentong-London (LON) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Phnom Penh Pochentong-London (LON) flights.

Search Deals

From Phnom Penh Pochentong to London (LON)

Search Deals

One-way flight from Phnom Penh Pochentong to London (LON)

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($51 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Phnom Penh to London

Cheapest flights from Phnom Penh to London
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 April 17, 2025.

Mon 6/912:40 pmPNH - LGW

2 stops32h 20mChina Eastern

Mon 6/2311:35 amLGW - PNH

2 stops24h 15mChina Eastern

Deal found 4/17

$623

Sat 5/103:35 pmPNH - LHR

1 stop33h 25mChina Southern

Fri 5/169:00 pmLHR - PNH

2 stops31h 40mChina Southern

Deal found 4/16

$675

Tue 6/312:15 pmPNH - LHR

1 stop37h 45mShenzhen Airlines

Mon 6/2310:05 pmLHR - PNH

1 stop31h 05mShenzhen Airlines

Deal found 4/17

$704

Sat 6/712:20 amPNH - LGW

1 stop36h 15mAir China

Wed 6/2512:35 pmLGW - PNH

1 stop28h 30mAir China

Deal found 4/17

$724

Thu 6/1212:20 amPNH - LHR

1 stop26h 10mMultiple Airlines

Sun 6/2210:05 pmLHR - PNH

1 stop31h 05mMultiple Airlines

Deal found 4/16

$724

Sat 5/2412:40 pmPNH - LHR

2 stops36h 00mChina Eastern

Sat 5/319:20 pmLHR - PNH

1 stop19h 55mChina Eastern

Deal found 4/16

$731

Wed 6/1112:10 amPNH - STN

3 stops29h 45mMultiple Airlines

Thu 6/266:00 amSTN - PNH

3 stops32h 55mMultiple Airlines

Deal found 4/17

$734

Tue 6/312:20 amPNH - LHR

1 stop23h 25mAir China

Mon 6/238:25 pmLHR - PNH

1 stop20h 40mAir China

Deal found 4/17

$765

Thu 6/193:35 pmPNH - LGW

1 stop21h 35mChina Southern

Thu 7/312:00 pmLGW - PNH

1 stop16h 40mChina Southern

Deal found 4/17

$806

Sun 11/2311:10 amPNH - LGW

2 stops26h 30mMultiple Airlines

Sun 11/308:25 pmLGW - PNH

2 stops30h 25mMultiple Airlines

Deal found 4/17

$812

Tue 6/105:40 pmPNH - LGW

2 stops19h 00mQatar Airways

Mon 6/239:00 amLGW - PNH

2 stops25h 15mQatar Airways

Deal found 4/17

$914

Mon 11/245:10 pmPNH - LHR

2 stops26h 00mQatar Airways

Mon 12/12:55 pmLHR - PNH

2 stops17h 30mQatar Airways

Deal found 4/17

$951

Best flights from Phnom Penh to London
Discover carefully curated flight deals from Phnom Penh to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2025.

Mon 6/912:40 pmPNH - LGW

2 stops32h 20mChina Eastern

Mon 6/2311:35 amLGW - PNH

2 stops24h 15mChina Eastern

Deal found 4/17

$623

Sat 5/103:35 pmPNH - LHR

1 stop33h 25mChina Southern

Fri 5/169:00 pmLHR - PNH

2 stops31h 40mChina Southern

Deal found 4/16

$675

Tue 6/312:15 pmPNH - LHR

1 stop37h 45mShenzhen Airlines

Mon 6/2310:05 pmLHR - PNH

1 stop31h 05mShenzhen Airlines

Deal found 4/17

$704

Sat 6/712:20 amPNH - LGW

1 stop36h 15mAir China

Mon 6/2312:35 pmLGW - PNH

1 stop28h 30mAir China

Deal found 4/17

$724

Thu 6/1212:20 amPNH - LHR

1 stop26h 10mMultiple Airlines

Sun 6/2210:05 pmLHR - PNH

1 stop31h 05mMultiple Airlines

Deal found 4/16

$724

Tue 6/105:40 pmPNH - LGW

2 stops19h 00mQatar Airways

Fri 6/209:00 amLGW - PNH

2 stops25h 15mQatar Airways

Deal found 4/17

$914

Wed 6/118:50 pmPNH - STN

2 stops22h 05mEmirates

Wed 6/259:10 pmSTN - PNH

2 stops37h 25mEmirates

Deal found 4/17

$956

Wed 6/1111:55 pmPNH - LHR

1 stop24h 55mAsiana Airlines

Wed 6/258:40 pmLHR - PNH

1 stop20h 15mAsiana Airlines

Deal found 4/17

$1,028

Mon 5/57:25 pmPNH - LHR

2 stops32h 45mFinnair

Mon 5/197:30 amLHR - PNH

2 stops19h 05mFinnair

Deal found 4/17

$1,043

Mon 6/911:25 amPNH - LHR

1 stop24h 15mCathay Pacific

Mon 6/236:20 pmLHR - PNH

1 stop33h 55mCathay Pacific

Deal found 4/17

$1,047

Mon 6/97:25 pmPNH - LHR

2 stops18h 55mAustrian Airlines

Sun 6/227:30 pmLHR - PNH

2 stops17h 05mAustrian Airlines

Deal found 4/17

$1,129

Mon 5/55:10 pmPNH - LHR

1 stop29h 20mChina Airlines

Mon 5/199:10 pmLHR - PNH

1 stop30h 40mChina Airlines

Deal found 4/17

$1,177

Last-minute flights from Phnom Penh to London
Discover last-minute flight deals from Phnom Penh to London. Data last updated April 17, 2025 and is based on user searches.

Thu 4/2412:15 pmPNH - LHR

1 stop37h 45mShenzhen Airlines

Fri 4/2510:05 pmLHR - PNH

1 stop31h 05mShenzhen Airlines

Deal found 4/16

$1,348

Thu 4/245:40 pmPNH - LHR

3 stops25h 00mQatar Airways

Fri 4/253:05 pmLHR - PNH

2 stops19h 10mQatar Airways

Deal found 4/16

$1,891

Thu 4/246:55 pmPNH - LHR

2 stops19h 20mLufthansa

Fri 4/251:45 pmLHR - PNH

2 stops22h 50mLufthansa

Deal found 4/16

$1,934

Thu 4/245:45 pmPNH - LHR

3 stops26h 00mVietnam Airlines

Fri 4/256:45 pmLHR - PNH

3 stops36h 15mVietnam Airlines

Deal found 4/16

$2,407

Sat 5/38:50 pmPNH - LHR

2 stops21h 35mEmirates

Sun 5/182:20 pmLHR - PNH

2 stops20h 15mEmirates

Deal found 4/16

$1,460

Mon 5/57:25 pmPNH - LHR

2 stops32h 45mFinnair

Mon 5/197:30 amLHR - PNH

2 stops19h 05mFinnair

Deal found 4/17

$1,043

Mon 5/55:10 pmPNH - LHR

1 stop29h 20mChina Airlines

Mon 5/199:10 pmLHR - PNH

1 stop30h 40mChina Airlines

Deal found 4/17

$1,177

Mon 5/58:50 pmPNH - STN

2 stops22h 05mEmirates

Mon 5/192:55 pmSTN - PNH

2 stops19h 40mEmirates

Deal found 4/17

$1,187

Mon 5/55:40 pmPNH - LHR

3 stops22h 10mBritish Airways

Mon 5/194:00 pmLHR - PNH

2 stops18h 15mBritish Airways

Deal found 4/16

$1,562

Sat 5/103:35 pmPNH - LHR

1 stop33h 25mChina Southern

Fri 5/169:00 pmLHR - PNH

2 stops31h 40mChina Southern

Deal found 4/16

$675

Sat 5/1012:15 pmPNH - LHR

1 stop37h 45mShenzhen Airlines

Fri 5/1610:05 pmLHR - PNH

1 stop31h 05mShenzhen Airlines

Deal found 4/16

$705

Sat 5/109:55 pmPNH - LHR

2 stops28h 05mMultiple Airlines

Fri 5/1612:30 pmLHR - PNH

2 stops23h 45mMultiple Airlines

Deal found 4/16

$834

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 April 17, 2025.

Sun 6/112:15 pmPNH - LHR

1 stop37h 35mShenzhen Airlines

Deal found 4/17

$333

Tue 5/612:10 amPNH - LHR

1 stop24h 30mChina Eastern

Deal found 4/17

$334

Tue 6/312:10 amPNH - LGW

1 stop20h 50mChina Eastern

Deal found 4/17

$336

Thu 5/298:00 amPNH - LHR

1 stop17h 00mChina Southern

Deal found 4/17

$341

Sat 5/3112:20 amPNH - LGW

1 stop36h 15mAir China

Deal found 4/17

$342

Thu 5/2912:15 pmPNH - LHR

2 stops38h 15mAir China

Deal found 4/17

$384

Mon 6/26:00 pmPNH - LHR

2 stops32h 55mXiamenAir

Deal found 4/17

$412

Sun 7/1311:10 amPNH - LGW

2 stops26h 10mMultiple Airlines

Deal found 4/17

$416

Sun 6/2911:10 amPNH - LHR

2 stops38h 00mMultiple Airlines

Deal found 4/17

$424

Wed 5/2812:10 amPNH - STN

3 stops29h 45mMultiple Airlines

Deal found 4/17

$430

Sun 7/139:40 amPNH - LHR

1 stop15h 30mThai Airways

Deal found 4/16

$499

Fri 6/68:50 pmPNH - STN

2 stops46h 05mEmirates

Deal found 4/17

$524

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phnom Penh to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Phnom PenhLondon

PNH - LGW

PNHLGW

Phnom Penh Pochentong

Mon 6/9

12:40 pm-3:00 pm

2 stops32h 20m

London Gatwick

Mon 6/23

11:35 am-5:50 pm

2 stops24h 15m

$623

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Sat 5/10

3:35 pm-7:00 pm

1 stop33h 25m

London Heathrow

Fri 5/16

9:00 pm-10:40 am

2 stops31h 40m

$675

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Tue 6/3

12:15 pm-8:00 pm

1 stop37h 45m

London Heathrow

Mon 6/23

10:05 pm-11:10 am

1 stop31h 05m

$704

Phnom PenhLondon

PNH - LGW

PNHLGW

Phnom Penh Pochentong

Sat 6/7

12:20 am-6:35 am

1 stop36h 15m

London Gatwick

Mon 6/23

12:35 pm-11:05 pm

1 stop28h 30m

$724

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Thu 6/12

12:20 am-8:30 pm

1 stop26h 10m

London Heathrow

Sun 6/22

10:05 pm-11:10 am

1 stop31h 05m

$724

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Sat 5/24

12:40 pm-6:40 pm

2 stops36h 00m

London Heathrow

Sat 5/31

9:20 pm-11:15 pm

1 stop19h 55m

$731

Phnom PenhLondon

PNH - STN

PNHSTN

Phnom Penh Pochentong

Wed 6/11

12:10 am-11:55 pm

3 stops29h 45m

London Stansted

Thu 6/26

6:00 am-8:55 pm

3 stops32h 55m

$734

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Tue 6/3

12:20 am-5:45 pm

1 stop23h 25m

London Heathrow

Mon 6/23

8:25 pm-11:05 pm

1 stop20h 40m

$765

Phnom PenhLondon

PNH - LGW

PNHLGW

Phnom Penh Pochentong

Thu 6/19

3:35 pm-7:10 am

1 stop21h 35m

London Gatwick

Thu 7/3

12:00 pm-10:40 am

1 stop16h 40m

$806

Phnom PenhLondon

PNH - LGW

PNHLGW

Phnom Penh Pochentong

Tue 6/3

12:10 am-3:00 pm

1 stop20h 50m

London Gatwick

Sat 6/28

4:55 pm-6:15 pm

2 stops19h 20m

$825

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 50 results

...

Compare providers for flights from Phnom Penh to London

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Phnom Penh to London in April.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars
Gotogate	Price Accuracy3 stars	Trust Score*2 stars
SmartFares	Price Accuracy1 star	Trust Score*1 star
Trip.com	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Phnom Penh-London flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Phnom Penh-London flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Phnom Penh-London flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Phnom Penh-London flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phnom Penh-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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?

To ensure you get the cheapest price possible for a flight from Phnom Penh to London, you should look to book at least 44 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Phnom Penh to London?

Currently, November is the cheapest month in which you can book a flight from Phnom Penh to London (average of $661). Flying from Phnom Penh to London in June is currently the most expensive (average of $1,110). 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 PNH to LON?

It’s optimal to fly from Phnom Penh to London in the afternoon. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight at noon.

Rainfall in London by month

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing London

Peruse reviews from past customers who have flown with China Airlines, Asiana Airlines and Singapore Airlines from Phnom Penh to London 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.

China Airlines

8.2

Very good

729 reviews

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

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

Asiana Airlines

8.2

Very good

438 reviews

China Airlines

8.2

Very good

729 reviews

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

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

3,200 reviews

China Airlines

8.2

Very good

729 reviews

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

1,329 reviews

China Airlines

8.2

Very good

729 reviews

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

Related info for your journey

What airport do you fly from for flights from Phnom Penh to London?
Phnom Penh Pochentong (PNH), located 5.0 mi from the city center, is the airport you fly out of when you book flights from Phnom Penh to London. 9 airlines have flights from Pochentong to London on a regular basis. Booking flights from Phnom Penh Pochentong to London should not be difficult; the airport handles an average of 0 outbound flights to London per day.
What are the cheapest airlines flying from Phnom Penh to London round-trip?
According to our current data, China Eastern ($623), China Southern ($675), and Shenzhen Airlines ($704) offers the cheapest pricing from Phnom Penh to London. These flights start at 35% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Phnom Penh to London one-way?
For one-way options, check prices for Shenzhen Airlines. According to our data, you can fly for as low as $333. Users have also found prices from $334 and $341 on China Eastern and China Southern, respectively.
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 Heathrow, Phnom Penh Pochentong - London City or Phnom Penh Pochentong - London Gatwick 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 vacation 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, November is the cheapest month in which you can book a flight from Phnom Penh to London (average of $661). Flying from Phnom Penh to London in June is currently the most expensive (average of $1,110). 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

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Top 9 airlines flying from Phnom Penh to London

Airline	Cheapest	Average	Flexibility	On-time
China Eastern	Cheapest$633	Average$862	FlexibilityNo cancel fee	On-time62%
China Southern	Cheapest$663	Average$758	FlexibilityNo cancel fee	On-time69%
Air China	Cheapest$706	Average$858	FlexibilityNo cancel fee	On-time67%
Singapore Airlines	Cheapest$921	Average$1,180	FlexibilityNo cancel fee	On-time81%
Emirates	Cheapest$929	Average$1,030	FlexibilityNo cancel fee	On-time75%
British Airways	Cheapest$958	Average$1,591	FlexibilityNo cancel fee	On-time70%
Qatar Airways	Cheapest$993	Average$1,562	FlexibilityNo cancel fee	On-time68%
Malaysia Airlines	Cheapest$999	Average$1,397	FlexibilityNo cancel fee	On-time67%
Thai Airways	Cheapest$1,095	Average$1,269	FlexibilityNo cancel fee	On-time77%

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$333+ Cheap flights from Phnom Penh (PNH) to London (LON)

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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Phnom Penh Pochentong to London are usually found in May or August, booked 44 days in advance, depart on a Saturday or Thursday and return on a Monday

Cheap flight deals from Phnom Penh to London

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Find flight deals from Phnom Penh to London

Cheapest flights from Phnom Penh to LondonExplore 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 April 17, 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 April 17, 2025.

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Use the filters below to find and compare flights from Phnom Penh to London that are best for you.

Compare providers for flights from Phnom Penh to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Phnom Penh to London in April.

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.

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 round-trip flight from Phnom Penh to London. Price data was last updated on April 11, 2025.

What is the cheapest month to book a flight from Phnom Penh to London?

What is the cheapest time of day to fly from PNH to LON?

Find hourly flight availability from Phnom Penh to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

Rainfall in London by month

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

Temperature in London by month

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

Reviews of airlines servicing London

Peruse reviews from past customers who have flown with China Airlines, Asiana Airlines and Singapore Airlines from Phnom Penh to London 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.

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?

What are the cheapest airlines flying from Phnom Penh to London round-trip?

What are the cheapest airlines to fly from Phnom Penh to London one-way?

What are the most popular routes from Phnom Penh to London?

Can I find deals for flights from Phnom Penh to London that include hotel bookings?

How can I find direct flights from Phnom Penh to London?

Can I find deals for business class flights from Phnom Penh to London?

What is the cheapest month to book a flight from Phnom Penh to London?

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Alternative routes for Phnom Penh to London

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Top 9 airlines flying from Phnom Penh to London

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Cheapest flights from Phnom Penh to London
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 April 17, 2025.