Cheap Flights to Ko Si Chang Island from HK$643

View HK$643 flight on Fri, 27 Feb 2026Opens in a new window

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Cheap round-trip flights to Ko Si Chang Island

Prices were available within the past 7 days and start at HK$643 for one-way flights and HK$1,105 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia
Thu, 17 Sept - Thu, 24 Sept
HKG
Hong Kong SAR
DMK
Bangkok
HK$1,105 Return, found 3 hours ago
HK$1,105
Return
found 3 hours ago
Select Thai AirAsia flight, departing Thu, 17 Sept from Hong Kong SAR to Bangkok, returning Thu, 24 Sept, priced at HK$1,105 found 3 hours ago
HK Express
Sat, 9 May - Thu, 14 May
HKG
Hong Kong SAR
BKK
Bangkok
HK$1,184 Return, just found
HK$1,184
Return
just found
Select HK Express flight, departing Sat, 9 May from Hong Kong SAR to Bangkok, returning Thu, 14 May, priced at HK$1,184 just found
Thai Lion Mantari
Fri, 27 Feb - Thu, 5 Mar
HKG
Hong Kong SAR
DMK
Bangkok
HK$1,439 Return, found 1 hour ago
HK$1,439
Return
found 1 hour ago
Select Thai Lion Mantari flight, departing Fri, 27 Feb from Hong Kong SAR to Bangkok, returning Thu, 5 Mar, priced at HK$1,439 found 1 hour ago
Hong Kong Airlines
Mon, 6 Jul - Sun, 12 Jul
HKG
Hong Kong SAR
BKK
Bangkok
HK$1,489 Return, found 1 hour ago
HK$1,489
Return
found 1 hour ago
Select Hong Kong Airlines flight, departing Mon, 6 Jul from Hong Kong SAR to Bangkok, returning Sun, 12 Jul, priced at HK$1,489 found 1 hour ago
United
Wed, 18 Mar - Sat, 21 Mar
HKG
Hong Kong SAR
BKK
Bangkok
HK$1,489 Return, just found
HK$1,489
Return
just found
Select United flight, departing Wed, 18 Mar from Hong Kong SAR to Bangkok, returning Sat, 21 Mar, priced at HK$1,489 just found

Frequently asked questions

How do I find cheap flights to Ko Si Chang Island that have flexible change policies?
At Expedia, we've been channeling our inner yoga master to help you locate the most flexible airfares around town. Just check the "No change fee" box directly below the filter subheading "Flexible change policies" to find your perfect flight to Ko Si Chang Island.
How can I find cheap tickets to Ko Si Chang Island?
In the last seven days, HK$1,105 was the best price for a flight to Ko Si Chang Island. If you'd love to save even more, book in advance and be flexible with your travel dates. Search for your flight to Ko Si Chang Island, then see prices for nearby days by clicking on the "flexible dates" link above.
How much is a flight to Ko Si Chang Island?
The price of a round-trip ticket to Ko Si Chang Island in the last seven days varied between HK$1,105 and HK$1,489. If you were travelling one way from Hong Kong SAR (HKG), you could have picked up a cheap fare from only HK$643.
When is the cheapest time to fly to Ko Si Chang Island?
If you'd rather spend your hard-earned vacation money enjoying Ko Si Chang Island rather than on getting there, jet off early in the week. The cheapest day to travel is normally Tuesday, with Monday close behind. With many folks keeping their travel to weekends, Saturday tends to have the most expensive fares.
How much is a plane ticket to Ko Si Chang Island?
In the last seven days, flights to Ko Si Chang Island ranged from HK$1,105 to HK$1,489.
What months are the cheapest to book a flight to Ko Si Chang Island?
To grab a fabulous deal to Ko Si Chang Island, try to book during the month of February when ticket prices are at their cheapest. When's the most expensive? In the USA, it's December.
Flights to Ko Si Chang Island information
Destination airport
Don Mueang Intl.
Destination airport IATA code
DMK
Destination city name
Bangkok
Return price
HK$1,034

Trending flights to Ko Si Chang Island

Prices were available within the past 7 days and start at HK$643 for one-way flights and HK$1,105 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia
Thu, 17 Sept - Thu, 24 Sept
HKG
Hong Kong SAR
DMK
Bangkok
HK$1,105 Return, found 3 hours ago
HK$1,105
Return
found 3 hours ago
Select Thai AirAsia flight, departing Thu, 17 Sept from Hong Kong SAR to Bangkok, returning Thu, 24 Sept, priced at HK$1,105 found 3 hours ago

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