Cheap Flights to Koh Madsum

View ₩170,300 flight on Tue, Oct 14, 2025Opens in a new window

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How much is the cheapest flight to Koh Madsum?

Prices were available within the past 7 days and start at ₩170,300 for one-way flights and ₩406,300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Thu, Sep 25 - Mon, Sep 29
DMK
Bangkok
USM
Koh Samui
₩406,300 Roundtrip, found 6 days ago
₩406,300
Roundtrip
found 6 days ago
Select Bangkok Airways flight, departing Thu, Sep 25 from Bangkok to Koh Samui, returning Mon, Sep 29, priced at ₩406,300 found 6 days ago
Scoot
Wed, Sep 24 - Tue, Sep 30
ICN
Seoul
USM
Koh Samui
₩474,134 Roundtrip, found 1 day ago
₩474,134
Roundtrip
found 1 day ago
Select Scoot flight, departing Wed, Sep 24 from Seoul to Koh Samui, returning Tue, Sep 30, priced at ₩474,134 found 1 day ago
Singapore Airlines
Tue, Apr 21 - Fri, May 1
ICN
Seoul
USM
Koh Samui
₩511,300 Roundtrip, found 5 days ago
₩511,300
Roundtrip
found 5 days ago
Select Singapore Airlines flight, departing Tue, Apr 21 from Seoul to Koh Samui, returning Fri, May 1, priced at ₩511,300 found 5 days ago
EVA Airways
Sat, Sep 20 - Sun, Sep 28
ICN
Seoul
USM
Koh Samui
₩795,300 Roundtrip, found 6 days ago
₩795,300
Roundtrip
found 6 days ago
Select EVA Airways flight, departing Sat, Sep 20 from Seoul to Koh Samui, returning Sun, Sep 28, priced at ₩795,300 found 6 days ago
Thai Airways International
Tue, Jan 13 - Thu, Jan 22
ICN
Seoul
USM
Koh Samui
₩867,300 Roundtrip, found 3 days ago
₩867,300
Roundtrip
found 3 days ago
Select Thai Airways International flight, departing Tue, Jan 13 from Seoul to Koh Samui, returning Thu, Jan 22, priced at ₩867,300 found 3 days ago

Searching for cheap flights to Koh Madsum? No travel company presents more choices than Expedia if you're looking to compare flights to Koh Madsum. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Koh Samui. Expedia provides the cheapest flights to many destinations in Koh Samui and you may find even greater savings if you combine your flight with a hotel stay in Koh Madsum.

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, ₩406,300 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 ₩406,300 and ₩867,300. If you were journeying one way out of Bangkok (BKK), you could have nabbed a cheap seat from just ₩170,300.
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 ₩406,300 and ₩867,300. 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
Roundtrip price
₩406,300
*Available to Expedia members.