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Cheap flights from Phnom Penh to London Heathrow Airport from £309

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 19/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PNH — LHR
4 May — 11 May1
1 adult
Sat 4/5
Sat 11/5

The best prices from Phnom Penh Pochentong to London Heathrow are usually found in May or April, booked 55 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Phnom Penh to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Phnom Penh (PNH) to Heathrow (LHR). 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 29 April 2024.

Popular in

January

Cheapest in

May

Average price

£965

Round-trip from

£71
High demand for flights, 21% potential price rise
Search Deals
Best time to find cheap flights, 15% potential price drop
Search Deals
Average for round-trip flights in April 2024
Search Deals
From Phnom Penh Pochentong to London Heathrow
Search Deals

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

Travelers have found that booking a Monday departure is the best way to save up to 65% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Users have found that booking a flight from Phnom Penh to London Heathrow Airport at least 54 days early can save you up to 65% on average compared to booking a flight this week. If booking 54 days before your flight isn’t an option for you, users have found flights from Phnom Penh to London Heathrow Airport for as little as £876 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 £1,036 for flights departing within the next 3 days.

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

Our data shows that October tends to be the cheapest month to fly to London Heathrow Airport from Phnom Penh. Users have commonly found prices around £1,034 for the month, but tickets can be as low as £559. Due to multiple factors, prepare for potentially higher prices in April.

When is the cheapest time to fly from Phnom Penh to London Heathrow Airport (PNH - LHR)?

One of the essential ways to save on airfare from Phnom Penh to London Heathrow Airport is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the afternoon could potentially save you up to 28% on airfare.

Cheap China Southern flights from Phnom Penh to Heathrow

Explore cheap flight options specifically provided by China Southern for the route between Phnom Penh and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 916,678 searches. Data last updated 29 April 2024.
Consider these cheap China Southern flights we've found departing from Phnom Penh to London. Make sure to check back often as deals are often changing.
Tue 11/616:35PNH - LHR
2 stops55h 55mChina Southern
Tue 18/622:10LHR - PNH
1 stop20h 00mChina Southern
Deal found 27/4£583
Wed 5/615:35PNH - LHR
2 stops32h 55mChina Southern
Tue 18/622:10LHR - PNH
1 stop34h 20mChina Southern
Deal found 28/4£587
Wed 5/612:05PNH - LHR
1 stop37h 05mChina Southern
Tue 18/622:10LHR - PNH
1 stop30h 30mChina Southern
Deal found 28/4£603
Sun 20/1012:05PNH - LHR
1 stop37h 05mChina Southern
Thu 31/1021:10LHR - PNH
1 stop19h 20mChina Southern
Deal found 27/4£623
Sun 20/1015:35PNH - LHR
2 stops32h 55mChina Southern
Thu 31/1021:10LHR - PNH
1 stop19h 20mChina Southern
Deal found 27/4£639
Mon 10/615:35PNH - LHR
2 stops32h 30mChina Southern
Sat 10/822:10LHR - PNH
1 stop30h 30mChina Southern
Deal found 26/4£752
Thu 10/1008:00PNH - LHR
1 stop17h 10mChina Southern
Thu 24/1020:50LHR - PNH
2 stops31h 50mChina Southern
Deal found 28/4£807
Tue 11/608:00PNH - LHR
1 stop17h 10mChina Southern
Tue 18/622:10LHR - PNH
1 stop20h 00mChina Southern
Deal found 27/4£870
Mon 10/608:00PNH - LHR
1 stop17h 10mChina Southern
Sat 10/822:10LHR - PNH
1 stop30h 30mChina Southern
Deal found 26/4£906

Cheap Air China flights from Phnom Penh to Heathrow

Explore cheap flight options specifically provided by Air China for the route between Phnom Penh and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 916,678 searches. Data last updated 29 April 2024.
Some of the lowest-priced Air China flights we've found at this time heading from Phnom Penh to London. Deals frequently update to provide users with more options.
Tue 4/600:15PNH - LHR
1 stop25h 45mAir China
Sat 8/620:25LHR - PNH
1 stop20h 35mAir China
Deal found 27/4£617
Sat 19/1000:15PNH - LHR
1 stop23h 30mAir China
Thu 31/1020:25LHR - PNH
1 stop20h 00mAir China
Deal found 27/4£624
Tue 8/1000:15PNH - LHR
1 stop23h 30mAir China
Tue 15/1022:00LHR - PNH
2 stops31h 10mAir China
Deal found 28/4£751
Tue 14/512:15PNH - LHR
2 stops35h 30mAir China
Fri 17/522:40LHR - PNH
1 stop18h 20mAir China
Deal found 26/4£977

Cheap Phnom Penh to Heathrow flights in April & May 2024

Find cheap flight options from Phnom Penh to Heathrow specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 916,678 searches. Prices were last updated on 29 April 2024.
Scroll through some of the best deals on flights from Phnom Penh to London in 2024. Check back soon for alternative fares.
Sat 18/516:35PNH - LHR
2 stops29h 40mChina Southern
Sat 15/622:10LHR - PNH
1 stop34h 20mChina Southern
Deal found 29/4£517
Fri 17/500:15PNH - LHR
1 stop23h 30mMultiple Airlines
Sat 15/622:05LHR - PNH
1 stop31h 05mMultiple Airlines
Deal found 29/4£642
Sat 18/511:10PNH - LHR
2 stops25h 55mMultiple Airlines
Sat 15/609:05LHR - PNH
2 stops26h 20mMultiple Airlines
Deal found 29/4£660
Mon 13/500:10PNH - LHR
1 stop24h 30mChina Eastern
Fri 17/521:20LHR - PNH
1 stop19h 55mChina Eastern
Deal found 28/4£686
Fri 17/508:00PNH - LHR
2 stops40h 30mChina Southern
Fri 24/522:10LHR - PNH
1 stop20h 00mChina Southern
Deal found 29/4£698
Sat 18/521:15PNH - LHR
1 stop27h 55mMultiple Airlines
Sat 15/622:05LHR - PNH
1 stop31h 05mMultiple Airlines
Deal found 29/4£755
Tue 14/512:15PNH - LHR
1 stop37h 45mShenzhen Airlines
Fri 17/522:05LHR - PNH
1 stop31h 05mShenzhen Airlines
Deal found 28/4£761
Fri 17/519:25PNH - LHR
2 stops43h 45mFinnair
Fri 24/510:20LHR - PNH
2 stops41h 10mFinnair
Deal found 29/4£796
Fri 17/514:10PNH - LHR
1 stop30h 25mMultiple Airlines
Fri 24/522:10LHR - PNH
1 stop20h 00mMultiple Airlines
Deal found 29/4£798

Phnom Penh to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Phnom Penh and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 916,678 searches. Data last updated 29 April 2024.
Scroll through some of the best deals on flights from Phnom Penh to London in 2024. Check back soon for alternative fares.
Sat 18/516:35PNH - LHR
2 stops29h 40mChina Southern
Sat 15/622:10LHR - PNH
1 stop34h 20mChina Southern
Deal found 29/4£517
Mon 10/615:35PNH - LHR
2 stops32h 30mChina Southern
Sun 23/622:10LHR - PNH
1 stop20h 00mChina Southern
Deal found 28/4£575
Wed 5/615:35PNH - LHR
2 stops32h 55mChina Southern
Tue 18/622:10LHR - PNH
1 stop34h 20mChina Southern
Deal found 28/4£587
Mon 10/608:00PNH - LHR
1 stop17h 10mChina Southern
Sun 23/622:10LHR - PNH
1 stop30h 30mChina Southern
Deal found 28/4£591
Mon 10/614:00PNH - LHR
2 stops34h 40mChina Eastern
Sun 23/621:20LHR - PNH
3 stops34h 45mChina Eastern
Deal found 28/4£591
Wed 5/612:05PNH - LHR
1 stop37h 05mChina Southern
Tue 18/622:10LHR - PNH
1 stop30h 30mChina Southern
Deal found 28/4£603
Fri 18/1015:35PNH - LHR
1 stop33h 35mChina Southern
Fri 15/1121:30LHR - PNH
2 stops34h 05mChina Southern
Deal found 29/4£631
Fri 17/500:15PNH - LHR
1 stop23h 30mMultiple Airlines
Sat 15/622:05LHR - PNH
1 stop31h 05mMultiple Airlines
Deal found 29/4£642
Sat 18/511:10PNH - LHR
2 stops25h 55mMultiple Airlines
Sat 15/609:05LHR - PNH
2 stops26h 20mMultiple Airlines
Deal found 29/4£660

Phnom Penh to Heathrow flights leaving soon

Find last-minute flight options from Phnom Penh to Heathrow for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 916,678 searches. Data last updated 29 April 2024.
Book one of these great deals on flights from Phnom Penh to London. Tip: verify your flight details before completing your reservation.
Fri 3/517:30PNH - LHR
2 stops18h 55mQatar Airways
Sat 25/515:30LHR - PNH
2 stops18h 45mQatar Airways
Deal found 27/4£2,604
Fri 3/517:30PNH - LHR
2 stops18h 55mBritish Airways
Thu 30/515:35LHR - PNH
2 stops18h 25mBritish Airways
Deal found 27/4£2,710
Fri 3/520:50PNH - LHR
2 stops21h 35mEmirates
Fri 31/514:20LHR - PNH
2 stops20h 15mEmirates
Deal found 27/4£2,738
Fri 3/517:30PNH - LHR
2 stops18h 55mBritish Airways
Sun 26/515:30LHR - PNH
2 stops18h 30mBritish Airways
Deal found 27/4£2,750
Fri 3/519:25PNH - LHR
2 stops49h 45mMultiple Airlines
Wed 29/507:30LHR - PNH
2 stops20h 00mMultiple Airlines
Deal found 27/4£2,961
Fri 3/518:20PNH - LHR
1 stop28h 15mMalaysia Airlines
Wed 29/511:00LHR - PNH
1 stop17h 00mMalaysia Airlines
Deal found 27/4£3,562
Fri 3/513:40PNH - LHR
2 stops30h 55mMultiple Airlines
Mon 27/522:10LHR - PNH
1 stop20h 00mMultiple Airlines
Deal found 27/4£3,654
Fri 3/513:40PNH - LHR
2 stops30h 55mMultiple Airlines
Fri 31/522:10LHR - PNH
1 stop20h 00mMultiple Airlines
Deal found 27/4£3,656
Fri 3/513:40PNH - LHR
2 stops30h 55mMultiple Airlines
Tue 28/522:10LHR - PNH
1 stop20h 00mMultiple Airlines
Deal found 27/4£3,690

One-way flights to Heathrow from Phnom Penh

Search for one-way flight options from Phnom Penh to Heathrow. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 916,678 searches. Data last updated 29 April 2024.
Take a look at some of the one-way flights we've detected from Phnom Penh to London. Users in need of a round-trip flight from Phnom Penh to London instead should update the search form at the top of page.
Wed 19/615:35PNH - LHR
1 stop33h 35mChina Southern
Deal found 27/4£309
Tue 14/519:10PNH - LHR
2 stops30h 50mMultiple Airlines
Deal found 28/4£314
Tue 18/600:15PNH - LHR
1 stop23h 30mAir China
Deal found 28/4£316
Tue 18/600:15PNH - LHR
1 stop23h 30mAir China
Deal found 27/4£317
Mon 27/512:05PNH - LHR
3 stops36h 00mChina Southern
Deal found 27/4£321
Tue 14/512:05PNH - LHR
3 stops35h 40mMultiple Airlines
Deal found 28/4£322
Mon 27/513:55PNH - LHR
2 stops33h 50mMultiple Airlines
Deal found 27/4£337
Tue 14/520:30PNH - LHR
1 stop26h 05mMultiple Airlines
Deal found 28/4£341
Wed 26/614:00PNH - LHR
2 stops34h 40mChina Eastern
Deal found 28/4£351

Find flights from Phnom Penh to Heathrow within your budget

Customise your flight search to find flights from Phnom Penh to Heathrow 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 916,678 searches. Data last updated 29 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£583 - £891

Route

Depart

Return

Price

Phnom Penh PochentongLondon Heathrow

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Tue 11/6

2 stops55h 55m

London Heathrow

Tue 18/6

1 stop20h 00m

£583

Phnom Penh PochentongLondon Heathrow

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Tue 4/6

1 stop25h 45m

London Heathrow

Sat 8/6

1 stop20h 35m

£617

Phnom Penh PochentongLondon Heathrow

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Tue 4/6

1 stop24h 30m

London Heathrow

Tue 18/6

1 stop19h 55m

£676

Phnom Penh PochentongLondon Heathrow

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Thu 10/10

2 stops24h 50m

London Heathrow

Thu 24/10

2 stops25h 15m

£720

Phnom Penh PochentongLondon Heathrow

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Tue 14/5

1 stop37h 45m

London Heathrow

Fri 17/5

1 stop31h 05m

£759

Phnom Penh PochentongLondon Heathrow

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Wed 9/10

1 stop18h 45m

London Heathrow

Tue 15/10

1 stop19h 10m

£760

Phnom Penh PochentongLondon Heathrow

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Tue 14/5

2 stops27h 50m

London Heathrow

Fri 17/5

2 stops25h 30m

£841

Phnom Penh PochentongLondon Heathrow

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Thu 20/6

1 stop17h 35m

London Heathrow

Thu 4/7

1 stop17h 00m

£872

Phnom Penh PochentongLondon Heathrow

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Mon 10/6

1 stop27h 55m

London Heathrow

Sat 10/8

1 stop29h 25m

£891

Flights are sorted by cheapest first

Deals found on 27/4

When is the best time to book a flight from Phnom Penh to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Phnom Penh to Heathrow. Price data was last updated on 28 January 2024.
The price you pay for your flight from Phnom Penh to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 54 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly from Phnom Penh to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from Phnom Penh to Heathrow. Price data was last updated on 21 April 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Phnom Penh to London Heathrow Airport flight should consider departing on Thursday 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.
Search Deals

Average price of flights to Heathrow by month

Plan your trip from Phnom Penh to Heathrow by taking into account the cheapest months to travel. The average price of a one-way flight from Phnom Penh to Heathrow is currently £325 while a return flight costs £747. Price data was last updated on 21 April 2024.

Currently, January is the cheapest month in which you can book a flight from Phnom Penh to London Heathrow Airport (average of £111). Flying from Phnom Penh to London Heathrow Airport in June is currently the most expensive (average of £171). 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.

January

£89

February

£100

March

£95

April

£100

May

£110

June

£137

July

£137

August

£116

September

£110

October

£127

November

£92

December

£97

Temperature and rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature and rainfall totals by month.

LON

Temperature

4 - 17 °C

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 29 April 2024.
Read through reviews of airlines operating flights from Phnom Penh to London, such as China Southern, Air China and China Eastern. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.3
Very Good
1,478 reviews
Check prices

Food

7.8

Entertainment

8.2

Boarding

8.4

Comfort

8.1

Crew

8.7

Overall

8.3

Reviews

1 / 10

Everything went smoothly, the staff was friendly, the special meal was correct. It was with Singapore Airlines for the first two legs (Penang to Singapore then Singapore to LAX). The final leg of LAX to BWI was with United.

Singapore Airlines
8.3
Very Good
1,478 reviews
Singapore Airlines
8.3
Very Good
1,478 reviews
Check prices

Food

7.8

Entertainment

8.2

Boarding

8.4

Comfort

8.1

Crew

8.7

Overall

8.3

Reviews

1 / 10

Everything went smoothly, the staff was friendly, the special meal was correct. It was with Singapore Airlines for the first two legs (Penang to Singapore then Singapore to LAX). The final leg of LAX to BWI was with United.

Emirates
8.1
Very Good
4,064 reviews
Singapore Airlines
8.3
Very Good
1,478 reviews
Check prices

Food

7.8

Entertainment

8.2

Boarding

8.4

Comfort

8.1

Crew

8.7

Overall

8.3

Reviews

1 / 10

Everything went smoothly, the staff was friendly, the special meal was correct. It was with Singapore Airlines for the first two legs (Penang to Singapore then Singapore to LAX). The final leg of LAX to BWI was with United.

Thai Airways
8.1
Very Good
542 reviews
Singapore Airlines
8.3
Very Good
1,478 reviews
Check prices

Food

7.8

Entertainment

8.2

Boarding

8.4

Comfort

8.1

Crew

8.7

Overall

8.3

Reviews

1 / 10

Everything went smoothly, the staff was friendly, the special meal was correct. It was with Singapore Airlines for the first two legs (Penang to Singapore then Singapore to LAX). The final leg of LAX to BWI was with United.

Cathay Pacific
7.9
Good
1,127 reviews
Singapore Airlines
8.3
Very Good
1,478 reviews
Check prices

Food

7.8

Entertainment

8.2

Boarding

8.4

Comfort

8.1

Crew

8.7

Overall

8.3

Reviews

1 / 10

Everything went smoothly, the staff was friendly, the special meal was correct. It was with Singapore Airlines for the first two legs (Penang to Singapore then Singapore to LAX). The final leg of LAX to BWI was with United.

SWISS
7.8
Good
2,053 reviews
Singapore Airlines
8.3
Very Good
1,478 reviews
Check prices

Food

7.8

Entertainment

8.2

Boarding

8.4

Comfort

8.1

Crew

8.7

Overall

8.3

Reviews

1 / 10

Everything went smoothly, the staff was friendly, the special meal was correct. It was with Singapore Airlines for the first two legs (Penang to Singapore then Singapore to LAX). The final leg of LAX to BWI was with United.

Related info for your journey

Find useful and relevant information for your journey from Phnom Penh to Heathrow. 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 Heathrow?

    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 Heathrow. 5 airlines have flights from Pochentong to London Heathrow on a regular basis. Booking flights from Phnom Penh Pochentong to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

  • Can I find flights from Phnom Penh to London Heathrow Airport for under £600 on Cheapflights?

    Yes, there are multiple flights from Phnom Penh to London Heathrow Airport for under £600. The cheapest flight booked recently is on China Southern for just £583, but on average you can expect to pay £687.

  • Are there last-minute flights available from Phnom Penh to London Heathrow Airport for under £2,700?

    There are currently 14+ open flights from Phnom Penh to London Heathrow Airport within the next 7 days for less than £2,700.

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

    Flying on China Southern is currently your cheapest option to London Heathrow Airport, with prices starting at £583. Additional return tickets that might be worth considering are offered by Air China and China Eastern, with the lowest prices starting at £617 and £676, respectively. These flights start at 45% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Phnom Penh to London Heathrow Airport one-way

    For one-way options, check prices for China Southern According to our data, you can fly for as little as £309. Users have also found prices from £316 and £351 on Air China and China Eastern, respectively.

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

    Before booking your flight from Phnom Penh to London Heathrow Airport check out the most popular airlines for this route: Air China, China Southern or China Eastern.

  • What does PNH to LHR mean?

    PNH stands for Phnom Penh Pochentong Airport, while LHR stands for London Heathrow Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Phnom Penh to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring on your Phnom Penh to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Phnom Penh to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Phnom Penh to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Phnom Penh to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Phnom Penh to Heathrow that allow pets onboard?

    Many airlines flying from Phnom Penh to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Phnom Penh to Heathrow?

    Yes, you can often find last-minute deals on Phnom Penh to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Phnom Penh to London Heathrow Airport flight deals updated?

    The Phnom Penh to London Heathrow Airport flight deals you see on this page were last updated on 29/4.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Phnom Penh to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.

Phnom Penh to Gatwick flights

Top 5 airlines flying from Phnom Penh to Heathrow

Discover the top 5 airlines that operate flights from Phnom Penh to Heathrow. 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 916,678 searches. Data last updated 29 April 2024.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£464Average£526FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£609Average£721FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest£617Average£671FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Singapore AirlinesCheapest£885Average£1,204FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Thai AirwaysCheapest£908Average£1,109FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
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Search flights from Phnom Penh to Heathrow by cabin class

Find flights from Phnom Penh to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Business Class
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