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 Mon, 3 Aug 2026Opens in a new window

Popular airlines to Siem Reap

  • Singapore Airlines

  • Vietnam Airlines

  • Emirates

  • Bangkok Airways

  • Vietjet Air

  • Lufthansa

  • 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$750 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cambodia Airways
Fri, 17 Jul - Tue, 21 Jul
KTI
Phnom Penh
SAI
Siem Reap
HK$750 Return, found 13 hours ago
HK$750
Return
found 13 hours ago
Select Cambodia Airways flight, departing Fri, 17 Jul from Phnom Penh to Siem Reap, returning Tue, 21 Jul, priced at HK$750 found 13 hours ago
Vietnam Airlines
Wed, 30 Sept - Mon, 5 Oct
HAN
Hanoi
SAI
Siem Reap
HK$1,666 Return, found 1 day ago
HK$1,666
Return
found 1 day ago
Select Vietnam Airlines flight, departing Wed, 30 Sept from Hanoi to Siem Reap, returning Mon, 5 Oct, priced at HK$1,666 found 1 day ago
Vietjet Air
Mon, 7 Sept - Sat, 12 Sept
HAN
Hanoi
SAI
Siem Reap
HK$1,700 Return, found 3 days ago
HK$1,700
Return
found 3 days ago
Select Vietjet Air flight, departing Mon, 7 Sept from Hanoi to Siem Reap, returning Sat, 12 Sept, priced at HK$1,700 found 3 days ago
Air Cambodia
Sun, 20 Dec - Sun, 27 Dec
KTI
Phnom Penh
SAI
Siem Reap
HK$1,722 Return, just found
HK$1,722
Return
just found
Select Air Cambodia flight, departing Sun, 20 Dec from Phnom Penh to Siem Reap, returning Sun, 27 Dec, priced at HK$1,722 just found
Bangkok Airways
Fri, 18 Sept - Sun, 20 Sept
BKK
Bangkok
SAI
Siem Reap
HK$1,821 Return, found 2 days ago
HK$1,821
Return
found 2 days ago
Select Bangkok Airways flight, departing Fri, 18 Sept from Bangkok to Siem Reap, returning Sun, 20 Sept, priced at HK$1,821 found 2 days ago
Hahn Air Systems
Mon, 7 Sept - Sat, 12 Sept
HAN
Hanoi
SAI
Siem Reap
HK$1,986 Return, found 3 days ago
HK$1,986
Return
found 3 days ago
Select Hahn Air Systems flight, departing Mon, 7 Sept from Hanoi to Siem Reap, returning Sat, 12 Sept, priced at HK$1,986 found 3 days ago
FlexFlight
Mon, 7 Sept - Sat, 12 Sept
HAN
Hanoi
SAI
Siem Reap
HK$2,064 Return, found 3 days ago
HK$2,064
Return
found 3 days ago
Select FlexFlight flight, departing Mon, 7 Sept from Hanoi to Siem Reap, returning Sat, 12 Sept, priced at HK$2,064 found 3 days ago
Emirates
Thu, 15 Oct - Sat, 24 Oct
BKK
Bangkok
SAI
Siem Reap
HK$2,121 Return, found 2 days ago
HK$2,121
Return
found 2 days ago
Select Emirates flight, departing Thu, 15 Oct from Bangkok to Siem Reap, returning Sat, 24 Oct, priced at HK$2,121 found 2 days ago
Singapore Airlines
Mon, 7 Sept - Sat, 12 Sept
SIN
Singapore
SAI
Siem Reap
HK$2,133 Return, found 3 days ago
HK$2,133
Return
found 3 days ago
Select Singapore Airlines flight, departing Mon, 7 Sept from Singapore to Siem Reap, returning Sat, 12 Sept, priced at HK$2,133 found 3 days ago
Vietnam Airlines
Mon, 7 Sept - Sat, 12 Sept
KUL
Kuala Lumpur
SAI
Siem Reap
HK$2,367 Return, found 3 days ago
HK$2,367
Return
found 3 days ago
Select Vietnam Airlines flight, departing Mon, 7 Sept from Kuala Lumpur to Siem Reap, returning Sat, 12 Sept, priced at HK$2,367 found 3 days ago

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
Mon, 20 Jul - Fri, 24 Jul
HKG
Hong Kong SAR
SAI
Siem Reap
HK$2,581 Return, found 9 hours ago
HK$2,581
Return
found 9 hours ago
Select Vietnam Airlines flight, departing Mon, 20 Jul from Hong Kong SAR to Siem Reap, returning Fri, 24 Jul, priced at HK$2,581 found 9 hours ago

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$750.
How much is a flight to Siem Reap?
One-way flights leaving Phnom Penh (KTI) 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$750 and HK$2,581. 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$750 to HK$2,581 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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