
Cheap Flights to Koh Tonsai from HK$788
View HK$788 flight on Tue, 18 Aug 2026Opens in a new windowPopular airlines
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Cheap round-trip flights to Koh Tonsai
Prices were available within the past 7 days and start at HK$788 for one-way flights and HK$1,315 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, 22 Aug - Tue, 25 Aug
SZX
Shenzhen
KTI
Phnom Penh
HK$1,315
Return
found 3 days ago

Tue, 1 Sept - Fri, 4 Sept
KUL
Kuala Lumpur
KTI
Phnom Penh
HK$1,546
Return
found 1 day ago

Mon, 7 Sept - Sat, 12 Sept
ICN
Seoul
KTI
Phnom Penh
HK$2,074
Return
found 5 days ago

Wed, 12 Aug - Wed, 19 Aug
KUL
Kuala Lumpur
KTI
Phnom Penh
HK$2,266
Return
found 2 days ago

Tue, 1 Sept - Fri, 4 Sept
KUL
Kuala Lumpur
KTI
Phnom Penh
HK$2,279
Return
found 1 day 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$1,315 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 Kuala Lumpur (KUL), you could've snapped up a bargain seat for HK$788 in the last seven days. Return flights to Koh Tonsai ranged from HK$1,315 to HK$2,279 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$1,315 and HK$2,279. 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$860 |
Trending flights to Koh Tonsai
Prices were available within the past 7 days and start at HK$788 for one-way flights and HK$1,315 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, 17 Sept - Wed, 23 Sept
HKG
Hong Kong SAR
KTI
Phnom Penh
HK$1,735
Return
found 2 hours ago
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