Cheap Flights to Ko Mai Si from HK$779

View HK$779 flight on Sun, 15 Feb 2026Opens in a new window

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Cheap round-trip flights to Ko Mai Si

Prices were available within the past 7 days and start at HK$779 for one-way flights and HK$838 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Thu, 22 Jan - Wed, 28 Jan
BKK
Bangkok
TDX
Trat
HK$838 Return, found 4 days ago
HK$838
Return
found 4 days ago
Select Bangkok Airways flight, departing Thu, 22 Jan from Bangkok to Trat, returning Wed, 28 Jan, priced at HK$838 found 4 days ago
Bangkok Airways
Tue, 2 Jun - Sun, 14 Jun
BKK
Bangkok
TDX
Trat
HK$1,159 Return, found 3 days ago
HK$1,159
Return
found 3 days ago
Select Bangkok Airways flight, departing Tue, 2 Jun from Bangkok to Trat, returning Sun, 14 Jun, priced at HK$1,159 found 3 days ago
Bangkok Airways
Tue, 2 Jun - Fri, 12 Jun
BKK
Bangkok
TDX
Trat
HK$1,170 Return, found 20 hours ago
HK$1,170
Return
found 20 hours ago
Select Bangkok Airways flight, departing Tue, 2 Jun from Bangkok to Trat, returning Fri, 12 Jun, priced at HK$1,170 found 20 hours ago
Thai Airways International
Sun, 22 Feb - Sun, 1 Mar
HKG
Hong Kong SAR
TDX
Trat
HK$3,550 Return, found 6 days ago
HK$3,550
Return
found 6 days ago
Select Thai Airways International flight, departing Sun, 22 Feb from Hong Kong SAR to Trat, returning Sun, 1 Mar, priced at HK$3,550 found 6 days ago
EVA Airways
Wed, 19 Nov - Thu, 27 Nov
HKG
Hong Kong SAR
TDX
Trat
HK$3,753 Return, found 16 hours ago
HK$3,753
Return
found 16 hours ago
Select EVA Airways flight, departing Wed, 19 Nov from Hong Kong SAR to Trat, returning Thu, 27 Nov, priced at HK$3,753 found 16 hours 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$838 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$838 and HK$3,753. Many lucky holiday makers nabbed one-way flights from Bangkok (BKK) for just HK$779.
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$838 and HK$3,753. 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.
Flights to Ko Mai Si information
Destination airport
Trat
Destination airport IATA code
TDX
Destination city name
Trat
Return price
HK$837

Trending flights to Ko Mai Si

Prices were available within the past 7 days and start at HK$779 for one-way flights and HK$838 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai Airways International
Sun, 22 Feb - Sun, 1 Mar
HKG
Hong Kong SAR
TDX
Trat
HK$3,550 Return, found 6 days ago
HK$3,550
Return
found 6 days ago
Select Thai Airways International flight, departing Sun, 22 Feb from Hong Kong SAR to Trat, returning Sun, 1 Mar, priced at HK$3,550 found 6 days ago
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