Which airport typically offers the quickest stopover for flights from Phnom Penh to London Heathrow Airport?

Flights via Abu Dhabi (AUH) offer the fastest connection on this route, with an average stopover time of 1h 19m.

What’s the top stopover airport for flights from Phnom Penh to London Heathrow Airport?

Shanghai (PVG) – chosen by Cheapflights users on 25% of one-stop itineraries from Phnom Penh to London Heathrow Airport on Cheapflights.

What’s the fastest stopover option from Phnom Penh to London Heathrow Airport?

Flights via Bangkok (BKK) have the shortest average one-way travel time for one-stop routes: 15h 57m.

What’s the cheapest stopover airport for flights from Phnom Penh to London Heathrow Airport?

Shanghai (PVG) is the most affordable one-stop option, with an average return flight price of £484.

How long is the flight from Phnom Penh to London Heathrow Airport?

Airlines like Etihad Airways fly from Phnom Penh to London Heathrow Airport in about 25h 40m. The time it takes to get you to your destination can typically vary by up to . There are 6232 mi between Phnom Penh and London Heathrow Airport.

What is the cheapest airline to fly 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 £475. This flight start at 36% lower than the current average price 3 months from now.

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

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.

In terms of precipitation, rainfall in London Heathrow Airport 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 Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, 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).

What is the cheapest time of day to fly from PNH to 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 morning could potentially save you up to 49% on airfare.

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. 1 airline 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 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.

£761+ Flights from Phnom Penh to London Heathrow Airport

Cheapflights Tip: The best prices from Phnom Penh Pochentong to London Heathrow are usually found in August or March, booked 42 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Phnom Penh to Heathrow

Round-trip from	£633
Popular in	February
Cheapest in	August
Average price	£856

Etihad Airways
12/12-2/1
2 total stops
38h 45m total
Phnom Penh to London

Search Deals

Highest demand for flights based on searches. 0% potential increase in price (£3 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Phnom Penh to Heathrow

Cheapest flights from Phnom Penh to Heathrow
Explore the most affordable flight options available from Phnom Penh to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Fri 19/1207:55PNH - LHR

1 stop37h 35mEtihad Airways

Fri 2/113:55LHR - PNH

1 stop21h 30mEtihad Airways

Deal found 16/9£776

Fri 19/1207:55PNH - LHR

2 stops33h 15mMultiple Airlines

Fri 2/120:55LHR - PNH

1 stop14h 30mMultiple Airlines

Deal found 16/9£996

Thu 30/1007:55PNH - LHR

3 stops31h 10mMultiple Airlines

Thu 6/1106:35LHR - PNH

2 stops16h 55mMultiple Airlines

Deal found 15/9£1,009

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

Thu 12/319:50PNH - LHR

1 stop25h 40mEtihad Airways

Mon 16/320:55LHR - PNH

1 stop14h 30mEtihad Airways

Deal found 14/9£761

Fri 19/1207:55PNH - LHR

2 stops33h 15mMultiple Airlines

Fri 2/120:55LHR - PNH

1 stop14h 30mMultiple Airlines

Deal found 16/9£996

Fri 19/1207:55PNH - LHR

1 stop37h 35mEtihad Airways

Fri 2/113:55LHR - PNH

1 stop21h 30mEtihad Airways

Deal found 16/9£776

Thu 30/1007:55PNH - LHR

3 stops31h 10mMultiple Airlines

Thu 6/1106:35LHR - PNH

2 stops16h 55mMultiple Airlines

Deal found 15/9£1,009

One-way flights from Phnom Penh to Heathrow
Search for one-way flight options from Phnom Penh to Heathrow. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Mon 22/913:55PNH - LHR

1 stop35h 25mMultiple Airlines

Deal found 15/9£858

Thu 15/119:50PNH - LHR

1 stop29h 20mEtihad Airways

Deal found 15/9£1,282

Thu 15/119:50PNH - LHR

2 stops20h 55mMultiple Airlines

Deal found 15/9£1,355

Sat 3/119:50PNH - LHR

2 stops26h 05mMultiple Airlines

Deal found 15/9£4,305

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Thu 12/3

19:50-14:30

1 stop25h 40m

London Heathrow

Mon 16/3

20:55-18:25

1 stop14h 30m

£761

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Fri 19/12

07:55-14:30

1 stop37h 35m

London Heathrow

Fri 2/1

13:55-18:25

1 stop21h 30m

£776

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Fri 19/12

07:55-10:10

2 stops33h 15m

London Heathrow

Fri 2/1

20:55-18:25

1 stop14h 30m

£996

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Thu 30/10

07:55-08:05

3 stops31h 10m

London Heathrow

Thu 6/11

06:35-06:30

2 stops16h 55m

£1,009

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Mon 22/9

13:55-19:20

1 stop35h 25m

£858

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Thu 15/1

19:50-18:10

1 stop29h 20m

£1,282

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Thu 15/1

19:50-09:45

2 stops20h 55m

£1,355

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Sat 3/1

19:50-14:55

2 stops26h 05m

£4,305

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Best time to book a flight from Phnom Penh to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

Prices

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

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 42 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Phnom Penh to London Heathrow Airport (average of £112). Flying from Phnom Penh to London Heathrow Airport 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.

Reviews of airlines servicing Heathrow

Check out reviews from past customers who have flown with China Southern from Phnom Penh to London Heathrow Airport 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 Southern

7.5

Good

110 reviews

Check prices

Reviews

1 / 5

6.0

Good

Ebbi,Aug 2025

LAX - CAN

Boarding was nice the employees and the crew. They were very nice but the food maybe I don’t like it but it’s not international food. It’s more towards Chinese Tayst, which I do understand but that’s only complain. I have.

China Southern

7.5

Good

110 reviews

China Southern

7.5

Good

110 reviews

Check prices

Reviews

1 / 5

6.0

Good

Ebbi,Aug 2025

LAX - CAN

Related info for your journey

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. 1 airline 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.
How long is the flight from Phnom Penh to London Heathrow Airport?
Airlines like Etihad Airways fly from Phnom Penh to London Heathrow Airport in about 25h 40m. The time it takes to get you to your destination can typically vary by up to . There are 6232 mi between Phnom Penh and London Heathrow Airport.
What is the cheapest airline to fly 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 £475. This flight start at 36% lower than the current average price 3 months from now.
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.
What is the cheapest month to book a flight from Phnom Penh to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Phnom Penh to London Heathrow Airport (average of £112). Flying from Phnom Penh to London Heathrow Airport 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.

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Top airline flying from Phnom Penh to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
China Southern	Cheapest£475	Average£560	FlexibilityNo cancel fee	On-time69%	Search China Southern flights

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How does Cheapflights help users find flights from Phnom Penh to Heathrow?

Deals for Phnom Penh to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Phnom Penh to Heathrow?

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 Heathrow from Phnom Penh.

Can Cheapflights find flights from Phnom Penh to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Phnom Penh? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Phnom Penh to Heathrow 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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Cheap flights from Phnom Penh to London Heathrow Airport from £761

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. 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 Heathrow are usually found in August or March, booked 42 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Phnom Penh to Heathrow

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Phnom Penh to Heathrow

Cheapest flights from Phnom Penh to HeathrowExplore the most affordable flight options available from Phnom Penh to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Explore the most affordable flight options available from Phnom Penh to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Phnom Penh to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Phnom Penh with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Phnom Penh to London Heathrow Airport

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

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

What’s the top stopover airport for flights from Phnom Penh to London Heathrow Airport?

What’s the fastest stopover option from Phnom Penh to London Heathrow Airport?

What’s the fastest stopover option from Phnom Penh to London Heathrow Airport?

Which airport typically offers the quickest stopover for flights from Phnom Penh to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Check out reviews from past customers who have flown with China Southern from Phnom Penh to London Heathrow Airport 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 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?

How long is the flight from Phnom Penh to London Heathrow Airport?

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

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

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

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

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

Travelling to a place near London Heathrow Airport?

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.

Top airline flying from Phnom Penh to Heathrow

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How does Cheapflights help users find flights from Phnom Penh to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Phnom Penh to Heathrow?

Can Cheapflights find flights from Phnom Penh to Heathrow with no change fees?

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

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Cheapest flights from Phnom Penh to Heathrow
Explore the most affordable flight options available from Phnom Penh to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.