Cheap Flights to Koh Tonsai from HK$688

View HK$688 flight on Mon, 5 Jan 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$688 for one-way flights and HK$1,442 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Cambodia
Mon, 26 Jan - Wed, 28 Jan
SAI
Siem Reap
KOS
Sihanoukville
HK$1,442 Return, found 2 days ago
HK$1,442
Return
found 2 days ago
Select Air Cambodia flight, departing Mon, 26 Jan from Siem Reap to Sihanoukville, returning Wed, 28 Jan, priced at HK$1,442 found 2 days ago
Cambodia Airways
Thu, 8 Jan - Mon, 12 Jan
HKG
Hong Kong SAR
KTI
Phnom Penh
HK$1,676 Return, found 3 days ago
HK$1,676
Return
found 3 days ago
Select Cambodia Airways flight, departing Thu, 8 Jan from Hong Kong SAR to Phnom Penh, returning Mon, 12 Jan, priced at HK$1,676 found 3 days ago
China Eastern Airlines
Tue, 6 Jan - Wed, 21 Jan
HKG
Hong Kong SAR
KTI
Phnom Penh
HK$2,242 Return, found 1 day ago
HK$2,242
Return
found 1 day ago
Select China Eastern Airlines flight, departing Tue, 6 Jan from Hong Kong SAR to Phnom Penh, returning Wed, 21 Jan, priced at HK$2,242 found 1 day ago
Vietnam Airlines
Fri, 16 Jan - Tue, 20 Jan
HKG
Hong Kong SAR
KTI
Phnom Penh
HK$2,278 Return, just found
HK$2,278
Return
just found
Select Vietnam Airlines flight, departing Fri, 16 Jan from Hong Kong SAR to Phnom Penh, returning Tue, 20 Jan, priced at HK$2,278 just found
Cathay Pacific
Tue, 14 Apr - Fri, 17 Apr
HKG
Hong Kong SAR
KTI
Phnom Penh
HK$2,312 Return, found 1 hour ago
HK$2,312
Return
found 1 hour ago
Select Cathay Pacific flight, departing Tue, 14 Apr from Hong Kong SAR to Phnom Penh, returning Fri, 17 Apr, priced at HK$2,312 found 1 hour ago

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$1,442 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 Siem Reap (SAI), you could've snapped up a bargain seat for HK$688 in the last seven days. Return flights to Koh Tonsai ranged from HK$1,442 to HK$2,312 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$1,442 and HK$2,312. 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.
Flights to Koh Tonsai information
Destination airport
Techo Intl. Airport
Destination airport IATA code
KTI
Destination city name
Techo Intl. Airport
Return price
HK$1,595

Trending flights to Koh Tonsai

Prices were available within the past 7 days and start at HK$688 for one-way flights and HK$1,442 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cambodia Airways
Thu, 8 Jan - Mon, 12 Jan
HKG
Hong Kong SAR
KTI
Phnom Penh
HK$1,676 Return, found 3 days ago
HK$1,676
Return
found 3 days ago
Select Cambodia Airways flight, departing Thu, 8 Jan from Hong Kong SAR to Phnom Penh, returning Mon, 12 Jan, priced at HK$1,676 found 3 days ago
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