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Cheap flights to Siem Reap, Cambodia

— SAI
26 Feb — 5 Mar1
1 adult

Flights to Siem Reap, Cambodia in 2025

Find the latest flights to Siem Reap in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 21 February 2025.

Popular in

December

Cheapest in

June

Average price

£749
Highest demand for flights based on searches. 12% potential increase in price (£99 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£40 potential savings vs. average return price).
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Average for return flights in February 2025
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Best time to book a flight to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap 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.

Travel insights for flights to Siem Reap

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

When is the best time to book a flight to Siem Reap?

Use this chart to determine the optimal time to book a return flight from London to Siem Reap. Price data was last updated on 14 February 2025.

The price you pay for your flight to Siem Reap may vary depending on when you book. For the best chance of a lower fare, look to book 45 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What are the most popular airlines that fly to Siem Reap?

The most popular airlines flying from London to Siem Reap are Singapore Airlines, Thai Airways and Vietnam Airlines.

Singapore Airlines

Singapore Airlines

From £851

Thai Airways

Thai Airways

From £1,094

Vietnam Airlines

Vietnam Airlines

From £819

What are the cheapest airlines that fly to Siem Reap?

The cheapest airlines flying from London to Siem Reap are Vietnam Airlines, Singapore Airlines and Thai Airways.

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 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 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 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).

  • What airport do you fly into for flights to Siem Reap?

    Travelers will need to book flights to Siem Reap–Angkor Intl (SAI) if they wish to fly to Siem Reap. The Siem Reap airport is 24.7 mi from the city center.

  • Can I find cheaper flights to Siem Reap if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Siem Reap on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Siem Reap?

    Based on reviews from Cheapflights users, Vietnam Airlines is rated the highest out of the airlines that fly to Siem Reap.

  • What is the cheapest airport to fly to in Siem Reap?

    Siem Reap–Angkor Intl is currently the cheapest airport to fly to in Siem Reap. One-way flights to Siem Reap–Angkor Intl typically cost £34, while return flights cost around £105.

  • How much is a return flight to Siem Reap?

    A return flight to Siem Reap will typically cost around £160, however they can be found for as little as £132.

  • Does Siem Reap–Angkor Intl have car hire?

    Yes. Those touching down at Siem Reap–Angkor Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Siem Reap–Angkor Intl?

    Yes. Siem Reap–Angkor Intl has hotels nearby for those requiring accommodations. Chansor Community Homestay 18 is the closest property to Siem Reap–Angkor Intl (4.0 mi away from Siem Reap–Angkor Intl).

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How does Cheapflights help users find flights to Siem Reap?

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

Cheapflights does show flights with no change fees to all users. To see these options for flights to Siem Reap, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Siem Reap flights today and get alerted when prices change. To subscribe and begin receiving alerts, click the bell icon next to the flight deals above and provide your email address.

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