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 KH to LHR?

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

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

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

How can I find direct flights from Cambodia to Heathrow?

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

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

Yes. Cheapflights offers flight deals from Cambodia 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.

Find Flights from Cambodia to London Heathrow Airport

Cheap flight deals from Cambodia to Heathrow

Popular in	July
Cheapest in	November
Average price	£589

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

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

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Average for round-trip flights in October 2025

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Cheapflights Insights

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

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

Currently, November is the cheapest month in which you can book a flight from Cambodia to London Heathrow Airport (average of £488). Flying from Cambodia to London Heathrow Airport in April is currently the most expensive (average of £731). 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.

Related info for your journey

Can I find deals for flights from Cambodia to Heathrow that include hotel bookings?
Yes. In addition to deals on Cambodia to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Cambodia to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cambodia to Heathrow.
Can I find deals for business class flights from Cambodia to Heathrow?
Yes. Cheapflights offers flight deals from Cambodia 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 Cambodia to London Heathrow Airport?
Currently, November is the cheapest month in which you can book a flight from Cambodia to London Heathrow Airport (average of £488). Flying from Cambodia to London Heathrow Airport in April is currently the most expensive (average of £731). 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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How does Cheapflights help users find flights from Cambodia to Heathrow?

Cheapflights makes it easy to find Cambodia to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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

Need flexible booking options for your flight to Heathrow 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 Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Cambodia today and book when prices fit your budget.

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Cheap flights from Cambodia to London Heathrow Airport

Cheap flight deals from Cambodia to Heathrow

Keep the following information in mind while searching for Cambodia to Heathrow flight deals. Data was last updated 20 October 2025.

Popular in

Cheapest in

Average price

Cheapflights Insights

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

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

Related info for your journey

Find useful and relevant information for your journey from Cambodia to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How can I find direct flights from Cambodia to Heathrow?

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

What is the cheapest month to book a flight from Cambodia 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 Cambodia to Heathrow

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

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 Heathrow?

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

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

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

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