Cheap Flights to Siem Reap | Popular Routes to Siem Reap from HK$689

View HK$689 flight on Sat, 24 Jan 2026Opens in a new window

Popular airlines to Siem Reap

  • Singapore Airlines

    Singapore Airlines

  • Vietnam Airlines

    Vietnam Airlines

  • Thai Airways International

    Thai Airways International

  • Bangkok Airways

    Bangkok Airways

  • Vietjet Air

    Vietjet Air

  • Emirates

    Emirates

  • Qatar Airways

    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$689 for one-way flights and HK$1,213 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Cambodia
Mon, 23 Mar - Fri, 27 Mar
KTI
Phnom Penh
SAI
Siem Reap
HK$1,213 Return, found 3 days ago
HK$1,213
Return
found 3 days ago
Select Air Cambodia flight, departing Mon, 23 Mar from Phnom Penh to Siem Reap, returning Fri, 27 Mar, priced at HK$1,213 found 3 days ago
Air Cambodia
Thu, 5 Feb - Sun, 8 Feb
KTI
Phnom Penh
SAI
Siem Reap
HK$1,277 Return, found 6 days ago
HK$1,277
Return
found 6 days ago
Select Air Cambodia flight, departing Thu, 5 Feb from Phnom Penh to Siem Reap, returning Sun, 8 Feb, priced at HK$1,277 found 6 days ago
Vietjet Air
Thu, 22 Jan - Sun, 25 Jan
DAD
Da Nang
SAI
Siem Reap
HK$1,608 Return, found 1 day ago
HK$1,608
Return
found 1 day ago
Select Vietjet Air flight, departing Thu, 22 Jan from Da Nang to Siem Reap, returning Sun, 25 Jan, priced at HK$1,608 found 1 day ago
Vietnam Airlines
Mon, 13 Apr - Wed, 15 Apr
SGN
Ho Chi Minh City
SAI
Siem Reap
HK$1,796 Return, found 1 day ago
HK$1,796
Return
found 1 day ago
Select Vietnam Airlines flight, departing Mon, 13 Apr from Ho Chi Minh City to Siem Reap, returning Wed, 15 Apr, priced at HK$1,796 found 1 day ago
Singapore Airlines
Tue, 10 Mar - Sun, 15 Mar
SIN
Singapore
SAI
Siem Reap
HK$2,100 Return, found 2 hours ago
HK$2,100
Return
found 2 hours ago
Select Singapore Airlines flight, departing Tue, 10 Mar from Singapore to Siem Reap, returning Sun, 15 Mar, priced at HK$2,100 found 2 hours ago
Vietnam Airlines
Sun, 4 Oct - Sat, 10 Oct
ICN
Seoul
SAI
Siem Reap
HK$2,171 Return, found 1 day ago
HK$2,171
Return
found 1 day ago
Select Vietnam Airlines flight, departing Sun, 4 Oct from Seoul to Siem Reap, returning Sat, 10 Oct, priced at HK$2,171 found 1 day ago
Malaysia Airlines
Mon, 23 Feb - Thu, 26 Feb
SIN
Singapore
SAI
Siem Reap
HK$2,188 Return, found 16 hours ago
HK$2,188
Return
found 16 hours ago
Select Malaysia Airlines flight, departing Mon, 23 Feb from Singapore to Siem Reap, returning Thu, 26 Feb, priced at HK$2,188 found 16 hours ago
Hahn Air Systems
Thu, 22 Jan - Sun, 25 Jan
DAD
Da Nang
SAI
Siem Reap
HK$2,244 Return, found 1 day ago
HK$2,244
Return
found 1 day ago
Select Hahn Air Systems flight, departing Thu, 22 Jan from Da Nang to Siem Reap, returning Sun, 25 Jan, priced at HK$2,244 found 1 day ago
Malaysia Airlines
Fri, 6 Mar - Sat, 21 Mar
MNL
Manila
SAI
Siem Reap
HK$2,270 Return, found 6 hours ago
HK$2,270
Return
found 6 hours ago
Select Malaysia Airlines flight, departing Fri, 6 Mar from Manila to Siem Reap, returning Sat, 21 Mar, priced at HK$2,270 found 6 hours ago
Thai AirAsia
Tue, 24 Feb - Fri, 27 Feb
SIN
Singapore
SAI
Siem Reap
HK$2,367 Return, found 16 hours ago
HK$2,367
Return
found 16 hours ago
Select Thai AirAsia flight, departing Tue, 24 Feb from Singapore to Siem Reap, returning Fri, 27 Feb, priced at HK$2,367 found 16 hours ago

About Siem Reap

Expedia offers flights to Siem Reap to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Siem Reap or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

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$1,213.
How much is a flight to Siem Reap?
One-way flights leaving Phnom Penh (KTI) sold for as low as HK$689 in the last seven days. During this period, the price of a return journey to Siem Reap ranged between HK$1,213 and HK$2,372. 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$1,213 to HK$2,372 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.

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
Sat, 17 Jan - Sat, 24 Jan
HKG
Hong Kong SAR
SAI
Siem Reap
HK$2,372 Return, found 3 days ago
HK$2,372
Return
found 3 days ago
Select Vietnam Airlines flight, departing Sat, 17 Jan from Hong Kong SAR to Siem Reap, returning Sat, 24 Jan, priced at HK$2,372 found 3 days ago
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