Cheap Flights to Koh Madsum from HK$572

View HK$572 flight on Tue, 12 May 2026Opens in a new window

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Cheap round-trip flights to Koh Madsum

Prices were available within the past 7 days and start at HK$572 for one-way flights and HK$1,805 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Wed, 15 Apr - Thu, 16 Apr
HKT
Phuket
USM
Koh Samui
HK$1,805 Return, found 4 days ago
HK$1,805
Return
found 4 days ago
Select Bangkok Airways flight, departing Wed, 15 Apr from Phuket to Koh Samui, returning Thu, 16 Apr, priced at HK$1,805 found 4 days ago
Scoot
Thu, 21 May - Tue, 26 May
SIN
Singapore
USM
Koh Samui
HK$2,184 Return, found 5 hours ago
HK$2,184
Return
found 5 hours ago
Select Scoot flight, departing Thu, 21 May from Singapore to Koh Samui, returning Tue, 26 May, priced at HK$2,184 found 5 hours ago
Singapore Airlines
Thu, 27 Aug - Thu, 3 Sept
HKG
Hong Kong SAR
USM
Koh Samui
HK$3,535 Return, found 16 hours ago
HK$3,535
Return
found 16 hours ago
Select Singapore Airlines flight, departing Thu, 27 Aug from Hong Kong SAR to Koh Samui, returning Thu, 3 Sept, priced at HK$3,535 found 16 hours ago
Emirates
Wed, 24 Jun - Fri, 26 Jun
HKG
Hong Kong SAR
USM
Koh Samui
HK$4,374 Return, found 4 days ago
HK$4,374
Return
found 4 days ago
Select Emirates flight, departing Wed, 24 Jun from Hong Kong SAR to Koh Samui, returning Fri, 26 Jun, priced at HK$4,374 found 4 days ago
EVA Airways
Tue, 5 May - Fri, 8 May
HKG
Hong Kong SAR
USM
Koh Samui
HK$4,638 Return, found 4 days ago
HK$4,638
Return
found 4 days ago
Select EVA Airways flight, departing Tue, 5 May from Hong Kong SAR to Koh Samui, returning Fri, 8 May, priced at HK$4,638 found 4 days ago

Frequently asked questions

How do I find cheap flights to Koh Madsum that have flexible change policies?
Search for low-cost flights to Koh Madsum, then mark the "No change fee" box directly below the "Flexible change policies" heading. It's that simple. We know that travel plans change and flexibility matters, so book with confidence with Expedia.
How can I find cheap tickets to Koh Madsum?
An effective strategy for finding cheap fares is to be flexible with your travel dates. Start by searching for your flight to Koh Madsum, then click on the "flexible dates" box to see prices for nearby days. Another handy tip? Book well ahead of time. To give you an idea of fares, HK$1,805 was the best price for a flight to Koh Madsum in the last seven days.
How much is a flight to Koh Madsum?
The cost of a round-trip flight to Koh Madsum in the last seven days fluctuated between HK$1,805 and HK$4,638. If you were journeying one way out of Phuket (HKT), you could have nabbed a cheap seat from just HK$572.
When is the cheapest time to fly to Koh Madsum?
Take off for Koh Madsum early in the week and you'll usually be rewarded with lower-priced fares. Tuesday is known for being the cheapest day to hop on a plane, followed by Monday. If you're eager to avoid the priciest flights, stay away from Saturdays.
How much is a plane ticket to Koh Madsum?
In the last seven days, plane fares cost between HK$1,805 and HK$4,638. Have a look at our fantastic deals to Koh Madsum, pick your favorite and then start packing!
What months are the cheapest to book a flight to Koh Madsum?
The ideal month to purchase cheap fares to Koh Madsum is February. It's worth remembering that in the United States, an expensive time to secure a seat is the month of December.

Travel information

Destination airport
Samui Intl. Airport
Destination airport IATA code
USM
Destination city name
Samui Intl. Airport
Return price
HK$1,805

Trending flights to Koh Madsum

Prices were available within the past 7 days and start at HK$572 for one-way flights and HK$1,805 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Thu, 17 Sept - Thu, 24 Sept
HKG
Hong Kong SAR
USM
Koh Samui
HK$3,519 Return, found 19 hours ago
HK$3,519
Return
found 19 hours ago
Select Scoot flight, departing Thu, 17 Sept from Hong Kong SAR to Koh Samui, returning Thu, 24 Sept, priced at HK$3,519 found 19 hours ago
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