Cheap Flights from Seoul (ICN) to Samui Intl. Airport (USM)

View AU$348 flight on Mon, 2 Jun. 2025Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Samui Intl. Airport (USM)

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Cheap Flights from Seoul (ICN) to Samui Intl. Airport (USM)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Tue., 13 May - Sun., 25 May
ICN
Seoul
USM
Koh Samui
AU$643 Return, found 3 days ago
AU$643
Return
found 3 days ago
Select Singapore Airlines flight, departing Tue., 13 May from Seoul to Koh Samui, returning Sun., 25 May, priced at AU$643 found 3 days ago
Singapore Airlines
Tue., 13 May - Sun., 25 May
ICN
Seoul
USM
Koh Samui
AU$688 Return, found 3 days ago
AU$688
Return
found 3 days ago
Select Singapore Airlines flight, departing Tue., 13 May from Seoul to Koh Samui, returning Sun., 25 May, priced at AU$688 found 3 days ago
Jeju Air
Tue., 13 May - Sun., 25 May
ICN
Seoul
USM
Koh Samui
AU$712 Return, found 3 days ago
AU$712
Return
found 3 days ago
Select Jeju Air flight, departing Tue., 13 May from Seoul to Koh Samui, returning Sun., 25 May, priced at AU$712 found 3 days ago
Jeju Air
Tue., 13 May - Sun., 25 May
ICN
Seoul
USM
Koh Samui
AU$718 Return, found 3 days ago
AU$718
Return
found 3 days ago
Select Jeju Air flight, departing Tue., 13 May from Seoul to Koh Samui, returning Sun., 25 May, priced at AU$718 found 3 days ago
Jeju Air
Fri., 13 Jun. - Fri., 20 Jun.
ICN
Seoul
USM
Koh Samui
AU$722 Return, found 5 days ago
AU$722
Return
found 5 days ago
Select Jeju Air flight, departing Fri., 13 Jun. from Seoul to Koh Samui, returning Fri., 20 Jun., priced at AU$722 found 5 days ago
Jeju Air
Fri., 13 Jun. - Fri., 20 Jun.
ICN
Seoul
USM
Koh Samui
AU$728 Return, found 5 days ago
AU$728
Return
found 5 days ago
Select Jeju Air flight, departing Fri., 13 Jun. from Seoul to Koh Samui, returning Fri., 20 Jun., priced at AU$728 found 5 days ago
Jeju Air
Fri., 13 Jun. - Fri., 20 Jun.
ICN
Seoul
USM
Koh Samui
AU$731 Return, found 5 days ago
AU$731
Return
found 5 days ago
Select Jeju Air flight, departing Fri., 13 Jun. from Seoul to Koh Samui, returning Fri., 20 Jun., priced at AU$731 found 5 days ago
Singapore Airlines
Tue., 13 May - Sun., 25 May
ICN
Seoul
USM
Koh Samui
AU$736 Return, found 3 days ago
AU$736
Return
found 3 days ago
Select Singapore Airlines flight, departing Tue., 13 May from Seoul to Koh Samui, returning Sun., 25 May, priced at AU$736 found 3 days ago
Jeju Air
Fri., 13 Jun. - Fri., 20 Jun.
ICN
Seoul
USM
Koh Samui
AU$737 Return, found 5 days ago
AU$737
Return
found 5 days ago
Select Jeju Air flight, departing Fri., 13 Jun. from Seoul to Koh Samui, returning Fri., 20 Jun., priced at AU$737 found 5 days ago
Jeju Air
Tue., 16 Sep. - Tue., 23 Sep.
ICN
Seoul
USM
Koh Samui
AU$741 Return, found 2 days ago
AU$741
Return
found 2 days ago
Select Jeju Air flight, departing Tue., 16 Sep. from Seoul to Koh Samui, returning Tue., 23 Sep., priced at AU$741 found 2 days ago

Frequently asked questions

How much is a flight from Incheon Airport to Ko Samui Airport (USM)?
Start packing your suitcase, because round-trip flights from Incheon Airport to Ko Samui Airport (USM) start from AU$643. That’s based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book today to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from ICN to Ko Samui Airport (USM)?
We get that your situation can change unexpectedly, so we’ve made it as easy as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from ICN to Samui Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Incheon Airport to Samui Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Seoul--Incheon Intl. Airport to Ko Samui Airport (USM)?
You’ll have 4 100 kilometres to cover on the long-haul South Korea to Koh Samui route. Dress in layers of comfortable clothes and consider taking a pair of noise-cancelling earphones.
Which airlines fly direct from Incheon Airport to Ko Samui Airport (USM)?
You won’t find any airlines flying directly between Incheon Intl. Airport (ICN) and Ko Samui Airport (USM), so be ready to make at least one stop on your journey. A layover, whether short or long, can be a good way to break up a trip!
Are ICN to Ko Samui Airport flight tickets cheaper when they're purchased at the last minute?
Flight tickets from ICN to USM are available up to 12 months before departure on Expedia. And although you may occasionally nab great last-minute deal, it’s never a sure thing. Also, booking your flights ahead of time means you’ll have more options — and you can avoid getting caught in the dreaded middle seat! We frequently update our fares to bring you the best bargains, so check back often for all the latest specials.
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