Lodging Image

Cheap Flights to Koh Tonsai from HK$659

View HK$659 flight on Sat, 4 Jul 2026Opens in a new window

Popular airlines

  • Cathay Pacific

  • Singapore Airlines

  • Malaysia Airlines

  • Qatar Airways

  • Emirates

  • Korean Air

  • China Southern Airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Koh Tonsai

Prices were available within the past 7 days and start at HK$659 for one-way flights and HK$1,614 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Emirates
Thu, 23 Jul - Sun, 26 Jul
SIN
Singapore
KTI
Phnom Penh
HK$1,614 Return, found 1 day ago
HK$1,614
Return
found 1 day ago
Select Emirates flight, departing Thu, 23 Jul from Singapore to Phnom Penh, returning Sun, 26 Jul, priced at HK$1,614 found 1 day ago
Spring Airlines
Sat, 4 Jul - Thu, 9 Jul
SZX
Shenzhen
KTI
Phnom Penh
HK$1,640 Return, found 2 days ago
HK$1,640
Return
found 2 days ago
Select Spring Airlines flight, departing Sat, 4 Jul from Shenzhen to Phnom Penh, returning Thu, 9 Jul, priced at HK$1,640 found 2 days ago
Cambodia Airways
Tue, 28 Jul - Fri, 31 Jul
HKG
Hong Kong SAR
KTI
Phnom Penh
HK$1,785 Return, found 2 hours ago
HK$1,785
Return
found 2 hours ago
Select Cambodia Airways flight, departing Tue, 28 Jul from Hong Kong SAR to Phnom Penh, returning Fri, 31 Jul, priced at HK$1,785 found 2 hours ago
Vietnam Airlines
Tue, 7 Jul - Thu, 9 Jul
DAD
Da Nang
KTI
Phnom Penh
HK$2,129 Return, found 4 days ago
HK$2,129
Return
found 4 days ago
Select Vietnam Airlines flight, departing Tue, 7 Jul from Da Nang to Phnom Penh, returning Thu, 9 Jul, priced at HK$2,129 found 4 days ago
Xiamen Airlines
Tue, 4 Aug - Mon, 10 Aug
TAO
Qingdao
KTI
Phnom Penh
HK$2,453 Return, found 1 day ago
HK$2,453
Return
found 1 day ago
Select Xiamen Airlines flight, departing Tue, 4 Aug from Qingdao to Phnom Penh, returning Mon, 10 Aug, priced at HK$2,453 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$1,614 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 Shenzhen (SZX), you could've snapped up a bargain seat for HK$659 in the last seven days. Return flights to Koh Tonsai ranged from HK$1,614 to HK$2,453 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$1,614 and HK$2,453. 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$750

Trending flights to Koh Tonsai

Prices were available within the past 7 days and start at HK$659 for one-way flights and HK$1,614 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cambodia Airways
Tue, 28 Jul - Fri, 31 Jul
HKG
Hong Kong SAR
KTI
Phnom Penh
HK$1,785 Return, found 2 hours ago
HK$1,785
Return
found 2 hours ago
Select Cambodia Airways flight, departing Tue, 28 Jul from Hong Kong SAR to Phnom Penh, returning Fri, 31 Jul, priced at HK$1,785 found 2 hours ago
*Available to Expedia members.