Cheap Flights to Koh Madsum from HK$869

View HK$869 flight on Fri, 19 Jun 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$869 for one-way flights and HK$1,814 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Sun, 24 May - Sun, 31 May
KBV
Krabi
USM
Koh Samui
HK$1,814 Return, found 3 hours ago
HK$1,814
Return
found 3 hours ago
Select Bangkok Airways flight, departing Sun, 24 May from Krabi to Koh Samui, returning Sun, 31 May, priced at HK$1,814 found 3 hours ago
Scoot
Sat, 10 Jan - Wed, 21 Jan
SGN
Ho Chi Minh City
USM
Koh Samui
HK$2,959 Return, found 5 days ago
HK$2,959
Return
found 5 days ago
Select Scoot flight, departing Sat, 10 Jan from Ho Chi Minh City to Koh Samui, returning Wed, 21 Jan, priced at HK$2,959 found 5 days ago
Singapore Airlines
Fri, 16 Jan - Thu, 22 Jan
HKG
Hong Kong SAR
USM
Koh Samui
HK$3,604 Return, found 9 hours ago
HK$3,604
Return
found 9 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 9 hours ago
Vietnam Airlines
Thu, 23 Apr - Tue, 28 Apr
DAD
Da Nang
USM
Koh Samui
HK$3,618 Return, found 2 days ago
HK$3,618
Return
found 2 days ago
Select Vietnam Airlines flight, departing Thu, 23 Apr from Da Nang to Koh Samui, returning Tue, 28 Apr, priced at HK$3,618 found 2 days ago
Thai Airways International
Fri, 13 Mar - Thu, 19 Mar
HKG
Hong Kong SAR
USM
Koh Samui
HK$4,012 Return, found 6 days ago
HK$4,012
Return
found 6 days ago
Select Thai Airways International flight, departing Fri, 13 Mar from Hong Kong SAR to Koh Samui, returning Thu, 19 Mar, priced at HK$4,012 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$1,814 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$1,814 and HK$4,012. If you were journeying one way out of Krabi (KBV), you could have nabbed a cheap seat from just HK$869.
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$1,814 and HK$4,012. 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$1,814

Trending flights to Koh Madsum

Prices were available within the past 7 days and start at HK$869 for one-way flights and HK$1,814 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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