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

China Southern, at £679, was found to be the cheapest airline from Phnom Penh to London.Alternate airlines flying return to your destination include China Eastern and Shenzhen Airlines. China Southern is currently priced 1% 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 Eastern, with whom users have recently found tickets for as low as £243. However, be on the lookout for offers from China Southern and Air China, as they are both options that can get you from Phnom Penh to London for a low price.

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

Travellers seeking maximum savings on their Phnom Penh to London flight should consider departing on Friday mornings 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 Gatwick or Phnom Penh Pochentong - London City as they are the most popular.

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

Users have found that leaving on a Saturday can be a cost-effective option. It’s possible to save up to 47% on your flight compared to booking on days when demand is much higher.

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

To save on the cost of your flight from Phnom Penh to London, book at least 45 days before your planned departure. Booking around this time can save you about 45% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £581 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £927.

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

Flights from Phnom Penh to London lean towards being more expensive in July. Prices are generally better when you fly from Phnom Penh to London in November, with the cheapest ticket starting at £458.

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

It’s optimal to fly from Phnom Penh to London at midday. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the afternoon.

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 1 airline has 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.

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.

£243+ Flights from Phnom Penh to London

Cheapflights Tip: The best prices from Phnom Penh Pochentong to London are usually found in November or August, booked 45 days in advance, depart on a Sunday or Friday and return on a Monday

Cheap flight deals from Phnom Penh to London

Round-trip from	£679
One-way from	£243
Popular in	July
Cheapest in	November
Average price	£749

China Southern
1/7-11/7
3 total stops
37h 00m total
Phnom Penh to London

Search Deals

China Eastern
18/6
1 total stop
20h 50m total
Phnom Penh to London

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£50 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 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 13 June 2025.

Tue 1/708:00PNH - LHR

1 stop17h 00mChina Southern

Fri 11/708:40LHR - PNH

2 stops20h 00mChina Southern

Deal found 12/6£679

Sat 6/900:10PNH - LGW

1 stop21h 50mChina Eastern

Wed 10/911:35LGW - PNH

2 stops24h 15mChina Eastern

Deal found 11/6£684

Sun 17/800:10PNH - LHR

1 stop24h 30mChina Eastern

Tue 16/921:20LHR - PNH

2 stops32h 15mChina Eastern

Deal found 13/6£687

Wed 9/715:35PNH - LGW

1 stop21h 30mChina Southern

Thu 21/812:00LGW - PNH

1 stop16h 40mChina Southern

Deal found 12/6£690

Sun 7/921:15PNH - LHR

2 stops27h 55mMultiple Airlines

Wed 10/922:10LHR - PNH

1 stop20h 00mMultiple Airlines

Deal found 11/6£698

Fri 15/812:15PNH - LHR

1 stop37h 35mShenzhen Airlines

Fri 19/922:05LHR - PNH

1 stop31h 05mShenzhen Airlines

Deal found 11/6£701

Sun 17/820:50PNH - STN

2 stops27h 55mEmirates

Sun 14/914:55STN - PNH

2 stops19h 40mEmirates

Deal found 13/6£708

Fri 27/608:00PNH - LGW

3 stops28h 40mMultiple Airlines

Thu 3/711:35LGW - PNH

3 stops23h 45mMultiple Airlines

Deal found 11/6£717

Wed 9/720:50PNH - LHR

2 stops29h 25mEmirates

Thu 21/816:50LHR - PNH

2 stops41h 45mEmirates

Deal found 12/6£720

Sat 16/820:50PNH - LGW

2 stops28h 55mEmirates

Thu 18/910:05LGW - PNH

2 stops24h 30mEmirates

Deal found 13/6£741

Fri 27/620:20PNH - STN

2 stops22h 35mMultiple Airlines

Mon 30/607:30STN - PNH

3 stops28h 45mMultiple Airlines

Deal found 12/6£749

Sun 29/623:55PNH - LHR

1 stop24h 55mAsiana Airlines

Sun 13/720:40LHR - PNH

1 stop20h 15mAsiana Airlines

Deal found 11/6£758

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 13 June 2025.

Tue 1/708:00PNH - LHR

1 stop17h 00mChina Southern

Fri 11/708:40LHR - PNH

2 stops20h 00mChina Southern

Deal found 12/6£679

Sat 6/900:10PNH - LGW

1 stop21h 50mChina Eastern

Wed 10/911:35LGW - PNH

2 stops24h 15mChina Eastern

Deal found 11/6£684

Sun 7/921:15PNH - LHR

2 stops27h 55mMultiple Airlines

Wed 10/922:10LHR - PNH

1 stop20h 00mMultiple Airlines

Deal found 11/6£698

Fri 15/812:15PNH - LHR

1 stop37h 35mShenzhen Airlines

Sun 14/922:05LHR - PNH

1 stop31h 05mShenzhen Airlines

Deal found 11/6£701

Sun 17/820:50PNH - STN

2 stops27h 55mEmirates

Fri 19/914:55STN - PNH

2 stops19h 40mEmirates

Deal found 13/6£708

Sun 29/623:55PNH - LHR

1 stop24h 55mAsiana Airlines

Sun 13/720:40LHR - PNH

1 stop20h 15mAsiana Airlines

Deal found 11/6£758

Mon 18/819:25PNH - LHR

2 stops32h 45mFinnair

Tue 16/913:00LHR - PNH

2 stops37h 35mFinnair

Deal found 12/6£768

Tue 9/914:05PNH - LGW

1 stop22h 20mSingapore Airlines

Sun 9/1109:20LGW - PNH

1 stop26h 15mSingapore Airlines

Deal found 11/6£849

Wed 20/818:30PNH - LHR

1 stop26h 45mCathay Pacific

Sat 13/917:00LHR - PNH

1 stop18h 20mCathay Pacific

Deal found 13/6£857

Sun 17/818:20PNH - LHR

1 stop28h 15mMalaysia Airlines

Thu 18/911:00LHR - PNH

1 stop24h 25mMalaysia Airlines

Deal found 13/6£871

Sat 28/600:20PNH - LHR

1 stop23h 25mAir China

Sun 13/720:25LHR - PNH

2 stops32h 45mAir China

Deal found 11/6£874

Wed 16/717:40PNH - LHR

2 stops26h 30mQatar Airways

Fri 25/711:00LHR - PNH

2 stops23h 15mQatar Airways

Deal found 12/6£895

Last-minute flights from Phnom Penh to London
Discover last-minute flight deals from Phnom Penh to London. Data last updated 13 June 2025 and is based on user searches.

Thu 19/600:10PNH - LGW

1 stop21h 00mChina Eastern

Sun 22/619:00LGW - PNH

1 stop22h 15mChina Eastern

Deal found 12/6£16,990

Fri 20/620:50PNH - LGW

2 stops21h 45mEmirates

Sun 22/614:30LGW - PNH

2 stops20h 05mEmirates

Deal found 12/6£6,931

Fri 20/620:50PNH - STN

2 stops22h 05mEmirates

Sun 22/621:10STN - PNH

2 stops37h 25mEmirates

Deal found 12/6£6,939

Fri 20/619:25PNH - LHR

1 stop17h 50mMultiple Airlines

Sun 22/612:30LHR - PNH

1 stop14h 05mMultiple Airlines

Deal found 12/6£6,957

Fri 20/620:50PNH - LHR

2 stops23h 35mEmirates

Sun 22/609:05LHR - PNH

2 stops25h 30mEmirates

Deal found 12/6£6,977

Fri 20/613:55PNH - LGW

2 stops28h 40mMultiple Airlines

Sun 22/619:00LGW - PNH

1 stop22h 15mMultiple Airlines

Deal found 12/6£10,602

Fri 27/608:00PNH - LGW

3 stops28h 40mMultiple Airlines

Thu 3/711:35LGW - PNH

3 stops23h 45mMultiple Airlines

Deal found 11/6£717

Fri 27/620:20PNH - STN

2 stops22h 35mMultiple Airlines

Mon 30/607:30STN - PNH

3 stops28h 45mMultiple Airlines

Deal found 12/6£749

Sat 28/600:20PNH - LHR

1 stop26h 10mMultiple Airlines

Sun 13/722:05LHR - PNH

1 stop31h 05mMultiple Airlines

Deal found 12/6£713

Sun 29/623:55PNH - LHR

1 stop24h 55mAsiana Airlines

Sun 13/720:40LHR - PNH

1 stop20h 15mAsiana Airlines

Deal found 11/6£758

Tue 1/708:00PNH - LHR

1 stop17h 00mChina Southern

Fri 11/708:40LHR - PNH

2 stops20h 00mChina Southern

Deal found 12/6£679

Wed 9/715:35PNH - LGW

1 stop21h 30mChina Southern

Thu 21/812:00LGW - PNH

1 stop16h 40mChina Southern

Deal found 12/6£690

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 13 June 2025.

Wed 18/600:10PNH - LGW

1 stop20h 50mChina Eastern

Deal found 13/6£243

Wed 25/612:05PNH - LHR

1 stop36h 55mChina Southern

Deal found 11/6£245

Sat 28/600:20PNH - LHR

1 stop26h 10mAir China

Deal found 12/6£257

Thu 26/612:40PNH - LGW

3 stops49h 35mMultiple Airlines

Deal found 12/6£261

Sun 29/613:50PNH - LHR

2 stops60h 10mMultiple Airlines

Deal found 11/6£262

Thu 26/615:35PNH - LGW

1 stop21h 35mChina Southern

Deal found 12/6£263

Sun 22/612:15PNH - LGW

2 stops48h 40mAir China

Deal found 13/6£283

Thu 26/618:50PNH - STN

3 stops35h 55mMultiple Airlines

Deal found 12/6£290

Thu 26/600:10PNH - LHR

1 stop24h 30mChina Eastern

Deal found 11/6£294

Wed 16/718:55PNH - LHR

1 stop26h 50mSingapore Airlines

Deal found 11/6£333

Fri 11/709:40PNH - LHR

1 stop15h 35mThai Airways

Deal found 11/6£356

Thu 17/720:50PNH - STN

2 stops27h 55mEmirates

Deal found 11/6£377

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 - LHR

PNHLHR

Phnom Penh Pochentong

Tue 1/7

08:00-19:00

1 stop17h 00m

London Heathrow

Fri 11/7

08:40-10:40

2 stops20h 00m

£679

Phnom PenhLondon

PNH - LGW

PNHLGW

Phnom Penh Pochentong

Sat 6/9

00:10-16:00

1 stop21h 50m

London Gatwick

Wed 10/9

11:35-17:50

2 stops24h 15m

£684

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Sun 17/8

00:10-18:40

1 stop24h 30m

London Heathrow

Tue 16/9

21:20-11:35

2 stops32h 15m

£687

Phnom PenhLondon

PNH - LGW

PNHLGW

Phnom Penh Pochentong

Wed 9/7

15:35-07:05

1 stop21h 30m

London Gatwick

Thu 21/8

12:00-10:40

1 stop16h 40m

£690

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Sun 7/9

21:15-19:10

2 stops27h 55m

London Heathrow

Wed 10/9

22:10-00:10

1 stop20h 00m

£698

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Fri 15/8

12:15-19:50

1 stop37h 35m

London Heathrow

Wed 17/9

22:05-11:10

1 stop31h 05m

£701

Phnom PenhLondon

PNH - STN

PNHSTN

Phnom Penh Pochentong

Sun 17/8

20:50-18:45

2 stops27h 55m

London Stansted

Thu 18/9

14:55-16:35

2 stops19h 40m

£708

Phnom PenhLondon

PNH - LGW

PNHLGW

Phnom Penh Pochentong

Fri 27/6

08:00-06:40

3 stops28h 40m

London Gatwick

Thu 3/7

11:35-17:20

3 stops23h 45m

£717

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Wed 9/7

20:50-20:15

2 stops29h 25m

London Heathrow

Thu 21/8

16:50-16:35

2 stops41h 45m

£720

Phnom PenhLondon

PNH - LGW

PNHLGW

Phnom Penh Pochentong

Sat 16/8

20:50-19:45

2 stops28h 55m

London Gatwick

Thu 18/9

10:05-16:35

2 stops24h 30m

£741

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Showing 1-10 of 50 results

...

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?

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.

Rainfall in London by month

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

See what other customers who have flown with China Airlines, Asiana Airlines and Emirates from Phnom Penh to London have to say. 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

8.3

Very Good

738 reviews

Check prices

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

8.3

Very Good

738 reviews

China Airlines

8.3

Very Good

738 reviews

Check prices

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

440 reviews

China Airlines

8.3

Very Good

738 reviews

Check prices

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

8.1

Very Good

3,265 reviews

China Airlines

8.3

Very Good

738 reviews

Check prices

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

1,304 reviews

China Airlines

8.3

Very Good

738 reviews

Check prices

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

1,358 reviews

China Airlines

8.3

Very Good

738 reviews

Check prices

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) 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 1 airline has 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 £679, was found to be the cheapest airline from Phnom Penh to London.Alternate airlines flying return to your destination include China Eastern and Shenzhen Airlines. China Southern is currently priced 1% 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 Eastern, with whom users have recently found tickets for as low as £243. However, be on the lookout for offers from China Southern 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 Heathrow, Phnom Penh Pochentong - London Gatwick or Phnom Penh Pochentong - London City 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.

See more FAQs

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Luton

Slough

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Ilford

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Folkestone

Maidstone

Dartford

Guildford

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Phnom Penh to London

Airline	Cheapest	Average	Flexibility	On-time
China Southern	Cheapest£477	Average£562	FlexibilityNo cancel fee	On-time69%	Search China Southern flights

Fly with Cheapflights

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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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Phnom Penh to London from £243

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 18/6. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Phnom Penh Pochentong to London are usually found in November or August, booked 45 days in advance, depart on a Sunday or Friday and return on a Monday

Cheap flight deals from Phnom Penh to London

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 13 June 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 13 June 2025.

Cheapflights Fare Finder

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

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 return flight from Phnom Penh to London. Price data was last updated on 9 June 2025.

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

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

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 13 June 2025.

See what other customers who have flown with China Airlines, Asiana Airlines and Emirates from Phnom Penh to London have to say. 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.

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?

Travelling to a place near Phnom Penh?

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.

Alternative routes for Phnom Penh to London

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Phnom Penh to London

Fly with Cheapflights

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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 13 June 2025.