
Cheap Flights to Koh Tonsai from HK$710
View HK$710 flight on Sat, 15 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$710 for one-way flights and HK$1,409 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, 26 Aug - Fri, 28 Aug
BKK
Bangkok
KTI
Phnom Penh
HK$1,409
Return
found 6 days ago
Mon, 31 Aug - Tue, 15 Sept
BKK
Bangkok
KTI
Phnom Penh
HK$1,652
Return
found 8 hours ago

Sat, 19 Sept - Sun, 20 Sept
SGN
Ho Chi Minh City
KTI
Phnom Penh
HK$1,817
Return
found 1 day ago

Sat, 12 Sept - Tue, 15 Sept
BKK
Bangkok
KTI
Phnom Penh
HK$1,834
Return
found 4 days ago

Tue, 22 Sept - Thu, 24 Sept
SGN
Ho Chi Minh City
KTI
Phnom Penh
HK$2,021
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$1,409 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 Bangkok (BKK), you could've snapped up a bargain seat for HK$710 in the last seven days. Return flights to Koh Tonsai ranged from HK$1,409 to HK$2,021 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$1,409 and HK$2,021. 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 | Techo Intl. Airport |
|---|---|
Destination airport IATA code | KTI |
Destination city name | Techo Intl. Airport |
Return price | HK$7,415 |
Trending flights to Koh Tonsai
Prices were available within the past 7 days and start at HK$710 for one-way flights and HK$1,409 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, 3 Sept - Mon, 7 Sept
HKG
Hong Kong SAR
KTI
Phnom Penh
HK$1,735
Return
just found
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