Ancient stone ruins with a large, intact temple structure and a smaller, deteriorated tower.

Cheap Flights to Siem Reap | Popular Routes to Siem Reap from HK$375

View HK$375 flight on Thu, 20 Aug 2026Opens in a new window

Popular airlines to Siem Reap

  • Singapore Airlines

  • Vietnam Airlines

  • Bangkok Airways

  • Lufthansa

  • Emirates

  • Thai Airways International

  • Qatar Airways

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Cheap round-trip flights to Siem Reap

Prices were available within the past 7 days and start at HK$375 for one-way flights and HK$860 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cambodia Airways
Cambodia Airways
Cambodia Airways
Cambodia Airways
Air Cambodia
Bangkok Airways
Emirates
Cambodia Airways
Vietnam Airlines
Singapore Airlines

Trending flights to Siem Reap

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Vietnam Airlines

Frequently asked questions

How do I find cheap flights to Siem Reap that have flexible change policies?
We know that plans can change in the blink of an eye, so choosing a flexible ticket with Expedia is always a clever idea. Simply mark the "No change fee" box directly under the "Flexible change policies" filter. Your low-priced, flexible flight to Siem Reap is only a few clicks away.
How can I find cheap tickets to Siem Reap?
Book in advance, consider nearby airports, use points or miles — you're not short of ways! One more is to make use of Expedia's "flexible dates" feature. Search for a Siem Reap flight, then compare the prices for nearby dates. In the last seven days, the best price for a flight to Siem Reap was HK$860.
How much is a flight to Siem Reap?
One-way flights leaving Sihanoukville (KOS) sold for as low as HK$375 in the last seven days. During this period, the price of a return journey to Siem Reap ranged between HK$860 and HK$2,837. If you spot a bargain ticket, grab it quickly — these prices don't hang around.
When is the cheapest time to fly to Siem Reap?
Jetting off on a Tuesday, followed by a Monday, is generally the best way to score the cheapest flight. Steer clear of the weekend if you can, because Saturday is typically the most expensive day of the week. Spend the money you saved having a blast in Siem Reap instead!
How much is a plane ticket to Siem Reap?
Flights to Siem Reap varied from HK$860 to HK$2,837 in the last seven days. Generally, the earlier you make a reservation, the better the price.
What is the best time to go to Siem Reap?
July, September and October are the most popular months to explore Banteay Srei, one of Siem Reap's most fabulous cities. Summertime here starts June 20. Temperatures range from 24ºC to 32ºC at this time of year, so plan your travels around then if you're into warmer weather.
What months are the cheapest to book a flight to Siem Reap?
A cheap month to score an awesome deal to Siem Reap is February, whereas prices are higher in December. Steer clear of this month if you're watching your pennies.

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About Siem Reap

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About Siem Reap
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