
Cheap Flights to Ko Mai Si from HK$1,761
View HK$1,761 flight on Thu, 10 Sept 2026Opens in a new windowPopular airlines
Bangkok Airways
Thai Airways International
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Swiss International Air Lines
KLM
Finnair
Lufthansa
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Cheap round-trip flights to Ko Mai Si
Prices were available within the past 7 days and start at HK$1,761 for one-way flights and HK$2,912 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, 10 Sept - Wed, 16 Sept
HKG
Hong Kong SAR
TDX
Trat
HK$2,912
Return
found 18 hours ago

Thu, 10 Sept - Wed, 16 Sept
HKG
Hong Kong SAR
TDX
Trat
HK$2,943
Return
found 18 hours ago

Thu, 10 Sept - Wed, 16 Sept
HKG
Hong Kong SAR
TDX
Trat
HK$3,131
Return
found 18 hours ago

Tue, 5 Jan - Fri, 22 Jan
HKG
Hong Kong SAR
TDX
Trat
HK$3,221
Return
found 4 days ago

Sat, 17 Oct - Wed, 21 Oct
HKG
Hong Kong SAR
TDX
Trat
HK$4,152
Return
found 2 days ago
Frequently asked questions
How do I find cheap flights to Ko Mai Si that have flexible change policies?
When it comes to traveling these days, flexibility is key. That's why we have a "No change fee" search function to help you track down flexible, affordable tickets to Ko Mai Si. It's to the left of your screen just below the "Flexible change policies" heading.
How can I find cheap tickets to Ko Mai Si?
You'll always get an unbeatable deal with Expedia, but our "flexible dates" feature makes it that much easier. Enter your preferred flight date, then click on the flexible dates link above to compare the cheapest prices for nearby days. HK$2,912 was the lowest price for a flight to Ko Mai Si in the last seven days.
How much is a flight to Ko Mai Si?
There were loads of affordable fares for the taking in the last seven days, with the cost of a round-trip flight to Ko Mai Si varying between HK$2,912 and HK$4,152. Many lucky holiday makers nabbed one-way flights from Hong Kong SAR (HKG) for just HK$1,761.
When is the cheapest time to fly to Ko Mai Si?
If you'd rather spend your vacation dollars enjoying the delights of Ko Mai Si rather than on your trip there, leave early in the week. The cheapest day to fly is usually Tuesday, followed by Monday. With many people traveling over the weekend, Saturday typically has the costliest fares.
How much is a plane ticket to Ko Mai Si?
In the last seven days, tickets to Ko Mai Si ranged between HK$2,912 and HK$4,152. Prices depend on a number of things, particularly the time of departure, seating class, airline and how early you make your booking.
What months are the cheapest to book a flight to Ko Mai Si?
February is the most affordable month to reserve a seat for your Ko Mai Si break. Tickets cost the most over the month of December, so avoid this time if you can.
Travel information
Destination airport | Trat |
|---|---|
Destination airport IATA code | TDX |
Destination city name | Trat |
Roundtrip price | HK$2,912 |
Trending flights to Ko Mai Si
Prices were available within the past 7 days and start at HK$1,761 for one-way flights and HK$2,912 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, 10 Sept - Wed, 16 Sept
HKG
Hong Kong SAR
TDX
Trat
HK$2,912
Return
found 18 hours ago
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