Cheap Flights to Koh Tonsai from HK$799

View HK$799 flight on Sun, 31 May 2026Opens in a new window

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Cheap round-trip flights to Koh Tonsai

Prices were available within the past 7 days and start at HK$799 for one-way flights and HK$1,656 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cambodia Airways
Tue, 26 May - Fri, 29 May
HKG
Hong Kong SAR
KTI
Phnom Penh
HK$1,656 Return, found 6 hours ago
HK$1,656
Return
found 6 hours ago
Select Cambodia Airways flight, departing Tue, 26 May from Hong Kong SAR to Phnom Penh, returning Fri, 29 May, priced at HK$1,656 found 6 hours ago
Spring Airlines
Wed, 13 May - Sun, 17 May
CAN
Guangzhou
KTI
Phnom Penh
HK$1,775 Return, found 4 days ago
HK$1,775
Return
found 4 days ago
Select Spring Airlines flight, departing Wed, 13 May from Guangzhou to Phnom Penh, returning Sun, 17 May, priced at HK$1,775 found 4 days ago
Cathay Pacific
Wed, 13 May - Sun, 17 May
CAN
Guangzhou
KTI
Phnom Penh
HK$2,497 Return, found 4 days ago
HK$2,497
Return
found 4 days ago
Select Cathay Pacific flight, departing Wed, 13 May from Guangzhou to Phnom Penh, returning Sun, 17 May, priced at HK$2,497 found 4 days ago
China Southern Airlines
Wed, 13 May - Sun, 17 May
CAN
Guangzhou
KTI
Phnom Penh
HK$2,521 Return, found 4 days ago
HK$2,521
Return
found 4 days ago
Select China Southern Airlines flight, departing Wed, 13 May from Guangzhou to Phnom Penh, returning Sun, 17 May, priced at HK$2,521 found 4 days ago
Vietnam Airlines
Sat, 18 Jul - Wed, 22 Jul
HKG
Hong Kong SAR
KTI
Phnom Penh
HK$2,778 Return, just found
HK$2,778
Return
just found
Select Vietnam Airlines flight, departing Sat, 18 Jul from Hong Kong SAR to Phnom Penh, returning Wed, 22 Jul, priced at HK$2,778 just found

Frequently asked questions

How do I find cheap flights to Koh Tonsai that have flexible change policies?
We know that plans can change in a flash, so locking in a flexible ticket with Expedia makes sense. Simply check the "No change fee" box below the "Flexible change policies" filter. Your low-cost, flexible flight to Koh Tonsai is only a few clicks away.
How can I find cheap tickets to Koh Tonsai?
You'll always get an unbeatable deal with Expedia, but our "flexible dates" feature makes it even easier. Enter your preferred flight date, then click on the flexible dates link above to see the cheapest prices for nearby days. HK$1,656 was the lowest price for a flight to Koh Tonsai in the last seven days.
How much is a flight to Koh Tonsai?
If you were journeying one way from Guangzhou (CAN), you could've snapped up a bargain seat for HK$799 in the last seven days. Return flights to Koh Tonsai ranged from HK$1,656 to HK$2,778 over the same period.
When is the cheapest time to fly to Koh Tonsai?
Try to jet off early on in the week to bag a bargain fare to Koh Tonsai. Tuesday is commonly the most cost-effective day to take off, with Monday a close second. Saturday often has the highest fares. This is because a lot of travellers like to start their trip on a weekend.
How much is a plane ticket to Koh Tonsai?
In the last seven days, seats to Koh Tonsai varied between HK$1,656 and HK$2,778. Prices depend on multiple things, particularly the departure time, cabin class, airline and how early the fare is booked.
What months are the cheapest to book a flight to Koh Tonsai?
February is the most affordable month to purchase a seat for your Koh Tonsai getaway. Airfares are priciest over the festive month of December, so avoid this time if possible.

Travel information

Destination airport
Sihanoukville
Destination airport IATA code
KOS
Destination city name
Sihanoukville
Return price
HK$968

Trending flights to Koh Tonsai

Prices were available within the past 7 days and start at HK$799 for one-way flights and HK$1,656 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cambodia Airways
Tue, 26 May - Fri, 29 May
HKG
Hong Kong SAR
KTI
Phnom Penh
HK$1,656 Return, found 6 hours ago
HK$1,656
Return
found 6 hours ago
Select Cambodia Airways flight, departing Tue, 26 May from Hong Kong SAR to Phnom Penh, returning Fri, 29 May, priced at HK$1,656 found 6 hours ago
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