Cheap Flights to Koh Madsum from HK$893

View HK$893 flight on Wed, 18 Mar 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$893 for one-way flights and HK$1,818 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Thu, 7 May - Wed, 13 May
HKT
Phuket
USM
Koh Samui
HK$1,818 Return, found 1 day ago
HK$1,818
Return
found 1 day ago
Select Bangkok Airways flight, departing Thu, 7 May from Phuket to Koh Samui, returning Wed, 13 May, priced at HK$1,818 found 1 day ago
Scoot
Tue, 12 May - Sun, 17 May
KUL
Kuala Lumpur
USM
Koh Samui
HK$2,404 Return, found 6 days ago
HK$2,404
Return
found 6 days ago
Select Scoot flight, departing Tue, 12 May from Kuala Lumpur to Koh Samui, returning Sun, 17 May, priced at HK$2,404 found 6 days ago
Singapore Airlines
Fri, 16 Jan - Thu, 22 Jan
HKG
Hong Kong SAR
USM
Koh Samui
HK$3,604 Return, found 4 hours ago
HK$3,604
Return
found 4 hours ago
Select Singapore Airlines flight, departing Fri, 16 Jan from Hong Kong SAR to Koh Samui, returning Thu, 22 Jan, priced at HK$3,604 found 4 hours ago
Thai Airways International
Tue, 26 May - Sat, 30 May
KUL
Kuala Lumpur
USM
Koh Samui
HK$3,823 Return, found 3 days ago
HK$3,823
Return
found 3 days ago
Select Thai Airways International flight, departing Tue, 26 May from Kuala Lumpur to Koh Samui, returning Sat, 30 May, priced at HK$3,823 found 3 days ago
EVA Airways
Mon, 22 Jun - Thu, 25 Jun
HKG
Hong Kong SAR
USM
Koh Samui
HK$4,136 Return, found 6 days ago
HK$4,136
Return
found 6 days ago
Select EVA Airways flight, departing Mon, 22 Jun from Hong Kong SAR to Koh Samui, returning Thu, 25 Jun, priced at HK$4,136 found 6 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$1,818 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$1,818 and HK$4,136. If you were journeying one way out of Phuket (HKT), you could have nabbed a cheap seat from just HK$893.
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$1,818 and HK$4,136. 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.
Flights to Koh Madsum information
Destination airport
Samui Intl. Airport
Destination airport IATA code
USM
Destination city name
Samui Intl. Airport
Return price
HK$1,818

Trending flights to Koh Madsum

Prices were available within the past 7 days and start at HK$893 for one-way flights and HK$1,818 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Wed, 14 Jan - Wed, 21 Jan
HKG
Hong Kong SAR
USM
Koh Samui
HK$3,374 Return, found 1 day ago
HK$3,374
Return
found 1 day ago
Select Scoot flight, departing Wed, 14 Jan from Hong Kong SAR to Koh Samui, returning Wed, 21 Jan, priced at HK$3,374 found 1 day ago
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