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.

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).

What are the most popular routes from Cambodia to London?

While some choose either Phnom Penh Pochentong - London Heathrow or Phnom Penh Pochentong - London Gatwick, Phnom Penh Pochentong - London City is the most popular route from Cambodia to London.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cambodia to London as you normally would.

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

Yes. In addition to deals on Cambodia to London flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Cambodia to London?

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

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

Yes. Cheapflights offers flight deals from Cambodia 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.

£267+ Cheap Flights from Cambodia to London

Cheap flight deals from Cambodia to London

Round-trip from	£2,201
One-way from	£267
Popular in	July
Cheapest in	November
Average price	£586

14/10-21/10
3 total stops
59h 20m total
Cambodia to London

Search Deals

23/10
3 total stops
35h 05m total
Cambodia to London

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£91 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Find flight deals from Cambodia to London

Enter your travel dates to find the best prices.

Cheapest flights from Cambodia to London
Explore the most affordable flight options available from Cambodia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 October 2025.

Tue 14/1023:55PNH - LHR

1 stop24h 55mMultiple Airlines

Tue 21/1006:30LHR - PNH

2 stops34h 25mMultiple Airlines

Deal found 30/9£2,201

One-way flights from Cambodia to London
Search for one-way flight options from Cambodia to London. Find affordable one-way fares based on user searches. Data last updated 2 October 2025.

Thu 23/1013:55PNH - LGW

3 stops35h 05mMultiple Airlines

Deal found 30/9£267

Thu 9/1013:55PNH - LHR

3 stops32h 20mMultiple Airlines

Deal found 1/10£326

Thu 23/1013:55PNH - LHR

2 stops34h 45mMultiple Airlines

Deal found 30/9£328

Thu 23/1013:55PNH - STN

3 stops31h 50mMultiple Airlines

Deal found 30/9£353

Fly from

Fly to

Route

Depart

Return

Price

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Tue 14/10

23:55-18:50

1 stop24h 55m

London Heathrow

Tue 21/10

06:30-22:55

2 stops34h 25m

£2,201

Phnom PenhLondon

PNH - LGW

PNHLGW

Phnom Penh Pochentong

Thu 23/10

13:55-19:00

3 stops35h 05m

£267

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Thu 9/10

13:55-16:15

3 stops32h 20m

£326

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Thu 23/10

13:55-18:40

2 stops34h 45m

£328

Phnom PenhLondon

PNH - STN

PNHSTN

Phnom Penh Pochentong

Thu 23/10

13:55-15:45

3 stops31h 50m

£353

Flights are sorted by cheapest return flights first.

Deals found on 30/9

Best time to book a flight from Cambodia to London

Have a flexible travel schedule? Discover the best time to fly to London from Cambodia 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 Cambodia to London

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

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

Reviews of airlines servicing London

See what other customers who have flown with China Southern and China Eastern from Cambodia to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

China Southern

7.5

Good

113 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

113 reviews

China Southern

7.5

Good

113 reviews

Check prices

Reviews

1 / 5

6.0

Good

Ebbi,Aug 2025

LAX - CAN

China Eastern

7.2

Good

168 reviews

China Southern

7.5

Good

113 reviews

Check prices

Reviews

1 / 5

6.0

Good

Ebbi,Aug 2025

LAX - CAN

Related info for your journey

What are the most popular routes from Cambodia to London?
While some choose either Phnom Penh Pochentong - London Heathrow or Phnom Penh Pochentong - London Gatwick, Phnom Penh Pochentong - London City is the most popular route from Cambodia to London.
Can I find deals for flights from Cambodia to London that include hotel bookings?
Yes. In addition to deals on Cambodia to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Cambodia to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cambodia to London.
Can I find deals for business class flights from Cambodia to London?
Yes. Cheapflights offers flight deals from Cambodia 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 Cambodia to London?
Currently, January is the cheapest month in which you can book a flight from Cambodia to London (average of £112). Flying from Cambodia 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

Milton Keynes

Croydon

Slough

Gatwick

Hounslow

Luton

Deal

Wembley

Ilford

Crawley

Hayes

Watford

Winchester

Chichester

Ipswich

Dartford

Brentford

Bishop's Stortford

Guildford

Romford

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Cambodia to London

Airline	Cheapest	Average	Flexibility	On-time
China Southern	Cheapest£481	Average£567	FlexibilityNo cancel fee	On-time69%	Search China Southern flights

Fly with Cheapflights

How does Cheapflights help users find flights from Cambodia to London?

Cheapflights helps you search for flights from Cambodia to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Cambodia to London?

Millions of users choose and trust Cheapflights to book the best flight deals from Cambodia to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Cambodia to London with no change fees?

Need flexible booking options for your flight to London from Cambodia? 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 Cambodia to London become cheaper?

Yes, Cheapflights offers price alerts on Cambodia 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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Cheap flights from Cambodia to London from £267

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 23/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Cambodia to London

Keep the following information in mind while searching for Cambodia to London flight deals. Data was last updated 2 October 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Cambodia to London

Cheapest flights from Cambodia to LondonExplore the most affordable flight options available from Cambodia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 October 2025.

Explore the most affordable flight options available from Cambodia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 October 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Cambodia to London

Have a flexible travel schedule? Discover the best time to fly to London from Cambodia with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Cambodia to London

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

Reviews of airlines servicing London

See what other customers who have flown with China Southern and China Eastern from Cambodia to London have to say. You can also see how each airline compares 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 Cambodia to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the most popular routes from Cambodia to London?

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

How can I find direct flights from Cambodia to London?

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

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

Travelling to a place near London?

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 Cambodia to London

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

Top airline flying from Cambodia to London

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Cambodia to London?

Why should you use Cheapflights to find cheap flight tickets from Cambodia to London?

Can Cheapflights find flights from Cambodia to London with no change fees?

Can Cheapflights notify me if prices for flights from Cambodia to London become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Cambodia to London
Explore the most affordable flight options available from Cambodia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 October 2025.