Question 1

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

Accepted Answer

In the last 3 days, the lowest price for a flight from Phnom Penh to London Heathrow Airport was £344 for a one-way ticket and £725 for a return. <a href='/flight-routes/Phnom-Penh-Pochentong-PNH/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 2

What’s the cheapest day of the week to fly from Phnom Penh to London?

Accepted Answer

When flying from Phnom Penh to London, you should consider leaving on a Thursday and avoid Saturdays if you are looking for the best rates. For your return to Phnom Penh, you’ll find the best rates on Mondays and the most expensive ones on Fridays. Visit our flight page for the latest deals!>/a>

Question 3

What’s the cheapest day of the week to fly from Phnom Penh to London?

Accepted Answer

When flying from Phnom Penh to London, you should consider leaving on a Thursday and avoid Saturdays if you are looking for the best rates. For your return to Phnom Penh, you’ll find the best rates on Mondays and the most expensive ones on Fridays. Visit our flight page for the latest deals!>/a>

Question 4

Which airports will I be using when flying from Phnom Penh to London?

Accepted Answer

Phnom Penh and London are both served by 1 main airport. You will leave Phnom Penh from Phnom Penh Pochentong and will be arriving at London Heathrow. <a href='/flight-routes/Phnom-Penh-Pochentong-PNH/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 5

Which aircraft models fly most regularly from Phnom Penh to London?

Accepted Answer

We unfortunately don’t have that data for this specific route.

Question 6

Which airline alliances offer flights from Phnom Penh to London?

Accepted Answer

SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Phnom Penh and London, with Star Alliance being the most commonly used for this route.

Question 7

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

Accepted Answer

The cheapest month for flights from Phnom Penh to London Heathrow Airport is March, where tickets cost £624 (return) on average. On the other hand, the most expensive months are July and February, where the average cost of round-trip tickets is £1,130 and £948 respectively.

Question 8

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

Accepted Answer

The cheapest month for flights from Phnom Penh to London Heathrow Airport is March, where tickets cost £624 (return) on average. On the other hand, the most expensive months are July and February, where the average cost of round-trip tickets is £1,130 and £948 respectively.

Question 9

How does KAYAK find such low prices on flights from Phnom Penh to London?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Phnom Penh to London. <a href='/flight-routes/Phnom-Penh-Pochentong-PNH/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 10

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Phnom Penh to London?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Phnom Penh is likely to change within 7 days, so travellers know whether to wait or book now. <a href='/flight-routes/Phnom-Penh-Pochentong-PNH/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 11

What is the Hacker Fare option on flights from Phnom Penh to London?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London with an airline and back to Phnom Penh with another airline. <a href='/flight-routes/Phnom-Penh-Pochentong-PNH/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 12

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Phnom Penh to London?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Phnom Penh up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Phnom-Penh-Pochentong-PNH/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 13

What is the cheapest stopover airport when flying from Phnom Penh to London?

Accepted Answer

Flights via Guangzhou (CAN) offer the most affordable fares, with an average price of £499 for a return.

Question 14

What is the most popular stopover airport when flying from Phnom Penh to London?

Accepted Answer

Guangzhou (CAN) is the top choice – 38% of KAYAK users who clicked on one-stop flights from Phnom Penh to London picked an itinerary connecting there.

Question 15

Which stopover airport has the quickest connection when flying from Phnom Penh to London?

Accepted Answer

If you prefer a quick connection, Bangkok (BKK) often has the shortest stopovers from Phnom Penh to London, with an average time of 1h 46m.

Question 16

Which stopover airport offers the shortest total travel time from Phnom Penh to London?

Accepted Answer

Consider flying via Bangkok (BKK) for the shortest journey. The average one-way travel time for flights connecting there is 16h 08m.

Question 17

Which airlines provide the cheapest flights from Phnom Penh to London?

Accepted Answer

In the past 3 days, the cheapest return tickets from Phnom Penh to London were found on China Eastern (£548) and China Southern (£558).

Question 18

Which airlines provide the cheapest flights from Phnom Penh to London?

Accepted Answer

In the past 3 days, the cheapest return tickets from Phnom Penh to London were found on China Eastern (£548) and China Southern (£558).

Question 19

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

Accepted Answer

To get a below average price on the flight from Phnom Penh to London Heathrow Airport, you should book around 4 weeks before departure, which saves you about 25% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Question 20

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

Accepted Answer

To get a below average price on the flight from Phnom Penh to London Heathrow Airport, you should book around 4 weeks before departure, which saves you about 25% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Low season	April
High season	July
Cheapest flight	£260

PNH - LHR

£260 Find Cheap Flights from Phnom Penh to London

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

Cheap Flights from Phnom Penh to London (PNH-LHR)

Recent return flight deals from Phnom Penh to Heathrow

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KAYAK's insights & trends for Phnom Penh to Heathrow flights

Get data-powered insights and trends into flights from Phnom Penh to Heathrow to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Phnom Penh to London?

When flying from Phnom Penh to London, you should consider leaving on a Thursday and avoid Saturdays if you are looking for the best rates. For your return to Phnom Penh, you’ll find the best rates on Mondays and the most expensive ones on Fridays.

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

The cheapest month for flights from Phnom Penh to London Heathrow Airport is March, where tickets cost £624 (return) on average. On the other hand, the most expensive months are July and February, where the average cost of round-trip tickets is £1,130 and £948 respectively.

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

To get a below average price on the flight from Phnom Penh to London Heathrow Airport, you should book around 4 weeks before departure, which saves you about 25% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Which airlines provide the cheapest flights from Phnom Penh to London?

In the past 3 days, the cheapest return tickets from Phnom Penh to London were found on China Eastern (£548) and China Southern (£558).

What is the most popular stopover airport when flying from Phnom Penh to London?

Guangzhou (CAN) is the top choice – 38% of KAYAK users who clicked on one-stop flights from Phnom Penh to London picked an itinerary connecting there.

What is the cheapest stopover airport when flying from Phnom Penh to London?

Flights via Guangzhou (CAN) offer the most affordable fares, with an average price of £499 for a return.

Which stopover airport offers the shortest total travel time from Phnom Penh to London?

Consider flying via Bangkok (BKK) for the shortest journey. The average one-way travel time for flights connecting there is 16h 08m.

Which stopover airport has the quickest connection when flying from Phnom Penh to London?

If you prefer a quick connection, Bangkok (BKK) often has the shortest stopovers from Phnom Penh to London, with an average time of 1h 46m.

Good to know - Cheap tickets from Phnom Penh to London

When to book flights from Phnom Penh to Heathrow

FAQs for booking Phnom Penh to London flights

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

In the last 3 days, the lowest price for a flight from Phnom Penh to London Heathrow Airport was £344 for a one-way ticket and £725 for a return.

Which airports will I be using when flying from Phnom Penh to London?

Phnom Penh and London are both served by 1 main airport. You will leave Phnom Penh from Phnom Penh Pochentong and will be arriving at London Heathrow.

Which aircraft models fly most regularly from Phnom Penh to London?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from Phnom Penh to London?

SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Phnom Penh and London, with Star Alliance being the most commonly used for this route.

How does KAYAK find such low prices on flights from Phnom Penh to London?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Phnom Penh to London.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Phnom Penh to London?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Phnom Penh is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights from Phnom Penh to London?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London with an airline and back to Phnom Penh with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Phnom Penh to London?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Phnom Penh up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Phnom Penh to Heathrow

Information on your arrival and departure airports

Cabin class types available on flights to Heathrow

Complete your trip to London with a hotel stay or car hire

Find direct flights to and from Phnom Penh and Heathrow

Flights to other popular destinations

Flights from domestic origins to Heathrow

Choose which airport to fly into in London

Find deals for your return flight