To Seoul

Cheap Flights from Ko Samui to Seoul

Browse current best options from Ko Samui. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Ko Samui

RatePunk searches hundreds of travel sites at once for deals on flights to Seoul

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Ko Samui to Seoul

Explore current cheapest deals departing from Ko Samui to Seoul

Round trip

Sort by: Cheapest

September 19 - October 19

Cheapest

USM - Seoul

$335

$416

Round trip

September 19 - October 12

USM - Seoul

$336

$417

Round trip

September 23 - October 19

USM - Seoul

$336

$421

Round trip

September 16 - October 12

Earliest

USM - Seoul

$335

$422

Round trip

September 23 - October 12

USM - Seoul

$336

$423

Round trip

September 20 - October 12

USM - Seoul

$336

$424

Round trip

September 19 - October 18

USM - Seoul

$335

$428

Round trip

November 1 - November 3

USM - Seoul

$323

$453

Round trip

September 17 - October 12

Best

USM - Seoul

$335

$463

Round trip

September 17 - October 11

Best

USM - Seoul

$335

$467

Round trip

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Route Intelligence — 486,190 Searches this Week

Insights for flights from Ko Samui to Seoul

A typical journey from Ko Samui to Seoul takes about 15h 40m, including connections. This is a long-haul route, covering a distance of 4078 km. Most itineraries connect at least once, with the median number of stopovers for connecting flights being 2.

If you are looking for cheap flights from Ko Samui to Seoul, the best time to fly is often in January, with a median fare of $292. Other cost-effective months include November, where the median fare is $301, and August, with a median fare of $340.

Fares for flights from Ko Samui to Seoul typically range from $396–$598, with a median of $487. Right now, current fares are above the typical level. There are currently no recent fares classified as a good price. New deals appear almost daily, suggesting that setting a price alert could be beneficial for this route.

How much is a round trip from Ko Samui to Seoul

Regular price: $289 - $620

Prices for flights from Ko Samui to Seoul are currently within the regular range.

The regular price range for this route is between 289 USD and 620 USD. The current lowest deal is 416 USD with Bangkok Airways, for travel from Sep 19 to Oct 19.

now $416

Low $289

High $620

The cheapest time to fly from Ko Samui to Seoul

The cheapest month to fly from USM to SEL is January, with a median price of $292. The most expensive month is July, with a median price of $679. Prices are generally lower from January to November.

January

Cheapest

Flights from $292

July

Most Expensive

Flights from $679

Jan

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Direct flights from Ko Samui to Seoul

Bangkok Airways

Scoot

Thai Airways International

Arcus-Air Logistic

Last-minute flights going from Ko Samui to Seoul

Sun, Jun 21

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$386

$736

One-way

Thu, Jun 25

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$400

$637

One-way

Wed, Jul 1

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Bangkok Airways

$376

$640

One-way

Thu, Jul 2

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Bangkok Airways

$363

$706

One-way

Fri, Jul 3

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Bangkok Airways

$362

$668

One-way

Thu, Jul 16

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Bangkok Airways

$334

$751

One-way

Biggest price drops on these dates for flights from Ko Samui to Seoul

Sep 19 - Oct 19

$335 → $416

24%

23 nights

Sep 19 - Oct 12

$336 → $417

24%

26 nights

Sep 23 - Oct 19

$336 → $421

25%

26 nights

Sep 16 - Oct 12

$335 → $422

26%

Popular Airports to fly from Ko Samui to Seoul

Ko Samui - Seoul route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Ko Samui to Seoul are above the typical level, with a median of $487.

📅 Best time to fly

January is historically cheapest at $292

Historically, January is the cheapest month to fly from Ko Samui to Seoul, with a median price of $292.

⏱️ Flight duration

Median flight time is 15h 40m

The median flight duration from Ko Samui to Seoul is 15 hours and 40 minutes, typically with 2 stopovers.

✈️ Airlines & availability

Connecting flights are dominant

There are no direct flights available; connecting flights are dominant for this route.

🏆 Airline highlight

Bangkok Airways offers deals

Bangkok Airways has offered 19 deals for flights from Ko Samui to Seoul.

🎯 Booking tip

Deals appear frequently

Historically, deals for flights from Ko Samui to Seoul appear frequently, about 0.57 deals per day.

Ko Samui main airports to depart from

Samui (USM)

Cheapest

Samui Airport (USM) is a good choice for flights from Ko Samui to Seoul.

📍 ~10 km from Ko Samui (reachable by car)

💸 Flights from ~$416

Seoul main airports to arrive at

Incheon International (ICN)

Cheapest

Incheon International Airport is a good choice for flights from Ko Samui to Seoul.

📍 ~50 km from city center (reachable by car)

💸 Flights from ~$416

Gimpo International (GMP)

Gimpo International Airport is a convenient option for your arrival in Seoul from Ko Samui.

📍 ~20 km from city center (reachable by car)

💸 Flights from ~$560

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International is a practical alternative for Seoul due to its proximity and international status.

📍 ~115 km from destination city (reachable by express bus and rail services)

💸 Flights from ~$527

Gimhae International (PUS)

Cheapest

Gimhae International is an excellent secondary choice thanks to high-speed rail (KTX) connectivity.

📍 ~320 km from destination city (reachable by KTX high-speed rail)

💸 Flights from ~$493

Daegu International (TAE)

Daegu International is an excellent secondary choice thanks to high-speed rail (KTX) connectivity.

📍 ~235 km from destination city (reachable by high-speed rail)

💸 Flights from ~$573

Wonju (WJU)

Wonju is the geographically closest candidate airport to Seoul, useful for specific domestic connections.

📍 ~95 km from destination city

💸 Flights from ~$658

Gwangju (KWJ)

Gwangju is a major regional airport with KTX connectivity to Seoul, offering domestic travel alternatives.

📍 ~270 km from destination city

💸 Flights from ~$599

Business & First Class Flight Deals to Seoul

74% AI deal score

$1,596

From USM

Elite

Jul 06

Seoul, South Korea

74% AI deal score

$1,723

$1,677

Save $46

From USM

Seoul, South Korea

74% AI deal score

$1,714

From USM

Elite

Jul 31

Seoul, South Korea

74% AI deal score

$1,730

$1,714

Save $16

From USM

Elite

Jul 20

Seoul, South Korea

74% AI deal score

Seoul, South Korea

66% AI deal score

$3,080

Frequently Asked Questions About Flights to Seoul

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking platforms can also help you identify better deals. Sometimes, flying on weekdays or during off-peak seasons may result in lower fares.

Booking flights in advance often provides more options and potentially better prices. However, last-minute deals can sometimes appear, though they are less common. Monitoring price trends for your desired travel period may help you decide on an optimal booking time.

Comparing nearby airports at both your origin and destination can sometimes reveal more economical flight options. While it may add to your ground travel time, the savings on airfare can be significant. Always factor in the cost and convenience of transportation to and from alternative airports.

Related routes

Consider alternative routes from Ko Samui

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