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

View HK$375 flight on Sun, 28 Jun 2026Opens in a new window

Popular airlines to Siem Reap

  • Singapore Airlines

  • Vietnam Airlines

  • Bangkok Airways

  • Emirates

  • Lufthansa

  • Vietjet Air

  • 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
Wed, 12 Aug - Mon, 17 Aug
KTI
Phnom Penh
SAI
Siem Reap
HK$750 Return, just found
HK$750
Return
just found
Select Cambodia Airways flight, departing Wed, 12 Aug from Phnom Penh to Siem Reap, returning Mon, 17 Aug, priced at HK$750 just found
Cambodia Airways
Wed, 5 Aug - Sun, 9 Aug
KOS
Sihanoukville
SAI
Siem Reap
HK$970 Return, found 20 hours ago
HK$970
Return
found 20 hours ago
Select Cambodia Airways flight, departing Wed, 5 Aug from Sihanoukville to Siem Reap, returning Sun, 9 Aug, priced at HK$970 found 20 hours ago
Vietnam Airlines
Fri, 3 Jul - Mon, 6 Jul
HAN
Hanoi
SAI
Siem Reap
HK$1,666 Return, found 9 hours ago
HK$1,666
Return
found 9 hours ago
Select Vietnam Airlines flight, departing Fri, 3 Jul from Hanoi to Siem Reap, returning Mon, 6 Jul, priced at HK$1,666 found 9 hours ago
Vietjet Air
Sat, 4 Jul - Wed, 8 Jul
HAN
Hanoi
SAI
Siem Reap
HK$1,699 Return, found 6 days ago
HK$1,699
Return
found 6 days ago
Select Vietjet Air flight, departing Sat, 4 Jul from Hanoi to Siem Reap, returning Wed, 8 Jul, priced at HK$1,699 found 6 days ago
Hahn Air Systems
Sat, 4 Jul - Wed, 8 Jul
HAN
Hanoi
SAI
Siem Reap
HK$1,985 Return, found 6 days ago
HK$1,985
Return
found 6 days ago
Select Hahn Air Systems flight, departing Sat, 4 Jul from Hanoi to Siem Reap, returning Wed, 8 Jul, priced at HK$1,985 found 6 days ago
Air Cambodia
Thu, 9 Jul - Mon, 13 Jul
KTI
Phnom Penh
SAI
Siem Reap
HK$2,074 Return, found 14 hours ago
HK$2,074
Return
found 14 hours ago
Select Air Cambodia flight, departing Thu, 9 Jul from Phnom Penh to Siem Reap, returning Mon, 13 Jul, priced at HK$2,074 found 14 hours ago
FlexFlight
Sun, 27 Sept - Fri, 2 Oct
HAN
Hanoi
SAI
Siem Reap
HK$2,243 Return, found 6 days ago
HK$2,243
Return
found 6 days ago
Select FlexFlight flight, departing Sun, 27 Sept from Hanoi to Siem Reap, returning Fri, 2 Oct, priced at HK$2,243 found 6 days ago
Vietnam Airlines
Sat, 10 Oct - Mon, 12 Oct
HKG
Hong Kong SAR
SAI
Siem Reap
HK$2,678 Return, found 6 days ago
HK$2,678
Return
found 6 days ago
Select Vietnam Airlines flight, departing Sat, 10 Oct from Hong Kong SAR to Siem Reap, returning Mon, 12 Oct, priced at HK$2,678 found 6 days ago
Singapore Airlines
Sun, 2 Aug - Sat, 8 Aug
TFU
Chengdu
SAI
Siem Reap
HK$3,035 Return, found 2 days ago
HK$3,035
Return
found 2 days ago
Select Singapore Airlines flight, departing Sun, 2 Aug from Chengdu to Siem Reap, returning Sat, 8 Aug, priced at HK$3,035 found 2 days ago
Vietnam Airlines
Sat, 17 Oct - Tue, 20 Oct
MNL
Manila
SAI
Siem Reap
HK$3,077 Return, found 4 days ago
HK$3,077
Return
found 4 days ago
Select Vietnam Airlines flight, departing Sat, 17 Oct from Manila to Siem Reap, returning Tue, 20 Oct, priced at HK$3,077 found 4 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
Sat, 10 Oct - Mon, 12 Oct
HKG
Hong Kong SAR
SAI
Siem Reap
HK$2,678 Return, found 6 days ago
HK$2,678
Return
found 6 days ago
Select Vietnam Airlines flight, departing Sat, 10 Oct from Hong Kong SAR to Siem Reap, returning Mon, 12 Oct, priced at HK$2,678 found 6 days 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$3,077. 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$3,077 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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