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Cheap flights from London Heathrow Airport to Siem Reap

LHR — SAI
11 Eyl — 18 Eyl1
1 adult

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Cheapflights users frequently choose these airlines when searching for flights from Heathrow to Siem Reap, based on our search results.
Cheapflights users frequently choose these airlines when searching for flights from Heathrow to Siem Reap, based on our search results.
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Travel insights for flights from Heathrow to Siem Reap

Get recent, data-driven insights about flights from Heathrow to Siem Reap including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from London Heathrow Airport to Region of Siem Reap?

Currently, June is the cheapest month in which you can book a flight from London Heathrow Airport to Region of Siem Reap (average of £558). Flying from London Heathrow Airport to Region of Siem Reap in July is currently the most expensive (average of £1,435). 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.

What are the most popular airlines that fly from London Heathrow Airport to Region of Siem Reap?

Our users search for these airlines the most often when looking for flights from Heathrow to Siem Reap. Data last updated on 6 Eylül 2024.

The most popular airlines flying from London Heathrow Airport to Region of Siem Reap are Singapore Airlines, Thai Airways and Vietnam Airlines. Something to consider prior to booking your flight.

Singapore Airlines

Singapore Airlines

From £853

Thai Airways

Thai Airways

From £1,081

Vietnam Airlines

Vietnam Airlines

From £1,078

Rainfall in Siem Reap by month

Plan your trip to Siem Reap by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Siem Reap ranges from 0.0 - 260.0 inches per month. September is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit Region of Siem Reap when rainfall is around 0.0 mm.

Temperature in Siem Reap by month

Plan your trip to Siem Reap by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Siem Reap, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 24.0 C).

Related info for your journey

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

  • What does LHR to SAI mean?

    Great question - LHR to SAI just means London Heathrow Airport to Siem Reap–Angkor Intl Airport. Now you’ll know what these unique codes when you look for flights!

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

    The amount of baggage you can bring on your Heathrow to Siem Reap 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 Heathrow to Siem Reap with specific airlines?

    Yes, Cheapflights allows you to browse and filter Heathrow to Siem Reap 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 Heathrow to Siem Reap that include hotel bookings?

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

  • How can I find direct flights from Heathrow to Siem Reap?

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

  • Can I find deals for business class flights from Heathrow to Siem Reap?

    Yes. Cheapflights offers flight deals from Heathrow to Siem Reap 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 Heathrow to Siem Reap that allow pets onboard?

    Many airlines flying from Heathrow to Siem Reap 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 Heathrow to Siem Reap?

    Yes, you can often find last-minute deals on Heathrow to Siem Reap 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.

  • What is the cheapest month to book a flight from London Heathrow Airport to Region of Siem Reap?

    Currently, June is the cheapest month in which you can book a flight from London Heathrow Airport to Region of Siem Reap (average of £558). Flying from London Heathrow Airport to Region of Siem Reap in July is currently the most expensive (average of £1,435). 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 2 airlines flying from Heathrow to Siem Reap

Discover the top 2 airlines that operate flights from Heathrow to Siem Reap. 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 1,000,759 searches. Data last updated 6 Eylül 2024.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest£648Average£756FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Thai AirwaysCheapest£821Average£890FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
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Search flights from Heathrow to Siem Reap by cabin class

Find flights from Heathrow to Siem Reap, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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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 Heathrow to Siem Reap?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Siem Reap. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to Siem Reap from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Siem Reap from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Heathrow to Siem Reap 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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