Cheap Flights to Koh Madsum

View ₩214,000 flight on Wed, Jan 7, 2026Opens in a new window

Popular airlines

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

How much is the cheapest flight to Koh Madsum?

Prices were available within the past 7 days and start at ₩214,000 for one-way flights and ₩427,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Wed, Mar 18 - Tue, Mar 24
BKK
Bangkok
USM
Koh Samui
₩427,700 Roundtrip, found 2 days ago
₩427,700
Roundtrip
found 2 days ago
Select Bangkok Airways flight, departing Wed, Mar 18 from Bangkok to Koh Samui, returning Tue, Mar 24, priced at ₩427,700 found 2 days ago
Scoot
Thu, Jan 15 - Sun, Jan 18
SIN
Singapore
USM
Koh Samui
₩475,223 Roundtrip, found 1 day ago
₩475,223
Roundtrip
found 1 day ago
Select Scoot flight, departing Thu, Jan 15 from Singapore to Koh Samui, returning Sun, Jan 18, priced at ₩475,223 found 1 day ago
Singapore Airlines
Mon, May 11 - Tue, May 19
ICN
Seoul
USM
Koh Samui
₩598,100 Roundtrip, found 2 days ago
₩598,100
Roundtrip
found 2 days ago
Select Singapore Airlines flight, departing Mon, May 11 from Seoul to Koh Samui, returning Tue, May 19, priced at ₩598,100 found 2 days ago
Vietnam Airlines
Sun, May 31 - Wed, Jun 10
PUS
Busan
USM
Koh Samui
₩814,200 Roundtrip, found 2 days ago
₩814,200
Roundtrip
found 2 days ago
Select Vietnam Airlines flight, departing Sun, May 31 from Busan to Koh Samui, returning Wed, Jun 10, priced at ₩814,200 found 2 days ago
Thai Airways International
Mon, May 11 - Tue, May 19
ICN
Seoul
USM
Koh Samui
₩899,100 Roundtrip, found 2 days ago
₩899,100
Roundtrip
found 2 days ago
Select Thai Airways International flight, departing Mon, May 11 from Seoul to Koh Samui, returning Tue, May 19, priced at ₩899,100 found 2 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, ₩427,700 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 ₩427,700 and ₩899,100. If you were journeying one way out of Bangkok (BKK), you could have nabbed a cheap seat from just ₩214,000.
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 ₩427,700 and ₩899,100. 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
₩427,700

Trending flights to Koh Madsum

Prices were available within the past 7 days and start at ₩214,000 for one-way flights and ₩427,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Sun, Oct 18 - Sat, Oct 24
ICN
Seoul
USM
Koh Samui
₩496,917 Roundtrip, found 2 days ago
₩496,917
Roundtrip
found 2 days ago
Select Scoot flight, departing Sun, Oct 18 from Seoul to Koh Samui, returning Sat, Oct 24, priced at ₩496,917 found 2 days ago

Explore a world of travel with Expedia

*Available to Expedia members.