$232 Cheap Flights from Samui Intl. Airport (USM) to Seoul (ICN)

View $232 flight on Fri, Feb 6, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $232 for one-way flights and $459 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Sun, Oct 26 - Sat, Nov 8
USM
Koh Samui
ICN
Seoul
$459 Roundtrip, found 2 days ago
$459
Roundtrip
found 2 days ago
Select Scoot flight, departing Sun, Oct 26 from Koh Samui to Seoul, returning Sat, Nov 8, priced at $459 found 2 days ago
Scoot
Sun, Oct 26 - Sat, Nov 8
USM
Koh Samui
ICN
Seoul
$465 Roundtrip, found 2 days ago
$465
Roundtrip
found 2 days ago
Select Scoot flight, departing Sun, Oct 26 from Koh Samui to Seoul, returning Sat, Nov 8, priced at $465 found 2 days ago
Scoot
Sun, Oct 26 - Sat, Nov 8
USM
Koh Samui
ICN
Seoul
$477 Roundtrip, found 2 days ago
$477
Roundtrip
found 2 days ago
Select Scoot flight, departing Sun, Oct 26 from Koh Samui to Seoul, returning Sat, Nov 8, priced at $477 found 2 days ago
Scoot
Sun, Oct 26 - Sat, Nov 8
USM
Koh Samui
ICN
Seoul
$484 Roundtrip, found 2 days ago
$484
Roundtrip
found 2 days ago
Select Scoot flight, departing Sun, Oct 26 from Koh Samui to Seoul, returning Sat, Nov 8, priced at $484 found 2 days ago
Scoot
Sun, Oct 26 - Sat, Nov 8
USM
Koh Samui
ICN
Seoul
$507 Roundtrip, found 2 days ago
$507
Roundtrip
found 2 days ago
Select Scoot flight, departing Sun, Oct 26 from Koh Samui to Seoul, returning Sat, Nov 8, priced at $507 found 2 days ago
Scoot
Sun, Oct 26 - Sat, Nov 8
USM
Koh Samui
ICN
Seoul
$514 Roundtrip, found 2 days ago
$514
Roundtrip
found 2 days ago
Select Scoot flight, departing Sun, Oct 26 from Koh Samui to Seoul, returning Sat, Nov 8, priced at $514 found 2 days ago
Bangkok Airways
Sun, Oct 26 - Sat, Nov 8
USM
Koh Samui
ICN
Seoul
$643 Roundtrip, found 2 days ago
$643
Roundtrip
found 2 days ago
Select Bangkok Airways flight, departing Sun, Oct 26 from Koh Samui to Seoul, returning Sat, Nov 8, priced at $643 found 2 days ago
Thai Airways International
Mon, Nov 10 - Tue, Nov 11
USM
Koh Samui
ICN
Seoul
$864 Roundtrip, found 8 hours ago
$864
Roundtrip
found 8 hours ago
Select Thai Airways International flight, departing Mon, Nov 10 from Koh Samui to Seoul, returning Tue, Nov 11, priced at $864 found 8 hours ago
Malaysia Airlines
Thu, Oct 16 - Thu, Oct 23
USM
Koh Samui
ICN
Seoul
$1,045 Roundtrip, found 2 days ago
$1,045
Roundtrip
found 2 days ago
Select Malaysia Airlines flight, departing Thu, Oct 16 from Koh Samui to Seoul, returning Thu, Oct 23, priced at $1,045 found 2 days ago
Singapore Airlines
Sun, Oct 26 - Thu, Oct 30
USM
Koh Samui
ICN
Seoul
$1,079 Roundtrip, found 2 days ago
$1,079
Roundtrip
found 2 days ago
Select Singapore Airlines flight, departing Sun, Oct 26 from Koh Samui to Seoul, returning Thu, Oct 30, priced at $1,079 found 2 days ago

Frequently asked questions

How much does a flight from Ko Samui Airport (USM) to Incheon Intl. Airport (ICN) cost?
Snag a cheap one-way flight from $232 or cheap return flight from $459 from Ko Samui Airport (USM) to Incheon Intl. Airport (ICN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Ko Samui Airport (USM) to Incheon Intl. Airport (ICN)?
Traveling in October can help you save, as it's the cheapest month for flights between USM and ICN. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Ko Samui Airport (USM) to Incheon Intl. Airport (ICN)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest USM to ICN flight.
How many flights per day from Ko Samui Airport (USM) to Incheon Intl. Airport (ICN)?
There are no daily nonstop flights from Ko Samui Airport (USM) to Incheon Intl. Airport (ICN). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from USM to ICN?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on various factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ko Samui Airport (USM) to Incheon Intl. Airport (ICN)?
To reach Incheon Intl. Airport (ICN) on schedule, opt for a flight that leaves from Ko Samui Airport (USM) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Ko Samui Airport (USM) to Incheon Intl. Airport (ICN) last-minute?
Booking your flight from USM to ICN right before your trip is usually more expensive. However, if there's some wiggle room with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book an USM to ICN flight and hotel package?
Opting for an USM to ICN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our wide range of hotels and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ko Samui Airport (USM) to Incheon Intl. Airport (ICN)?
You can usually cancel or reschedule your USM to ICN flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Samui Intl. Airport
Destination airport
Incheon Intl.
Airlines serving
Scoot, Thai Airways International
Roundtrip price
$458
Distance
2532 mi

Book with confidence

Samui Intl. Airport to Seoul Flights

The cheapest times to fly from Samui Intl. Airport to Seoul

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Samui Intl. Airport to Seoul are during the month of October. You can find some of the cheapest flights from Samui Intl. Airport to Seoul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Samui Intl. Airport to Seoul

Sunday is one of the best days to book for cheap flights from Samui Intl. Airport to Seoul: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Samui Intl. Airport to Seoul

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Samui Intl. Airport to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $232 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Samui Intl. Airport to Seoul flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Samui Intl. Airport to Seoul airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Samui Intl. Airport to Seoul Flights
*Available to One Key members.