Are direct flights from Ko Samui to Seoul always the best option?

Direct flights offer convenience and save time, but they are not always the cheapest option. Flights with one or more layovers can often be more affordable. Consider your budget and time constraints when deciding between direct and connecting flights.

Can flexible travel dates help on Ko Samui to Seoul flights?

Yes, being flexible with your travel dates can significantly impact flight prices. Flying on weekdays or during off-peak seasons usually results in lower fares compared to weekends or popular travel periods. Adjusting your departure or return by a few days may reveal cheaper tickets.

What extra costs should I check before booking Ko Samui to Seoul flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Factor these into your total travel budget to avoid surprises.

Flights From Ko Samui

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 4 days ago

476 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Oct 12, 2026.)

Today’s best flight deals from Ko Samui to Seoul

Explore current cheapest deals departing from Ko Samui to Seoul

2026-11-15 – 2026-11-30
USM - Seoul
69% AI deal score
$266
$436
Round trip
2026-11-15 – 2026-12-02
USM - Seoul
68% AI deal score
$262
$437
Round trip
2026-10-27 – 2026-11-04
USM - Seoul
69% AI deal score
$312
$440
Round trip
2026-11-01 – 2026-11-30
USM - Seoul
69% AI deal score
$260
$440
Round trip
2026-10-25 – 2026-11-04
USM - Seoul
69% AI deal score
$303
$440
Round trip
2026-11-01 – 2026-11-04
USM - Seoul
69% AI deal score
$310
$446
Round trip
2026-11-23 – 2026-11-30
USM - Seoul
69% AI deal score
$294
$452
Round trip
2026-10-27 – 2026-11-23
USM - Seoul
68% AI deal score
$284
$467
Round trip
2026-11-01 – 2026-11-23
USM - Seoul
68% AI deal score
$261
$467
Round trip
2026-10-25 – 2026-11-23
USM - Seoul
68% AI deal score
$285
$467
Round trip

Ko Samui to Seoul: Overview

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 significant travel time, reflecting the distance and the need for connecting flights on this route. Given that most itineraries involve at least one stopover, planning for a longer travel day is advisable.

For travelers seeking cheap flights from Ko Samui to Seoul, fares typically range from $767–$1332, with a median of $993. Right now, fares are below the typical level, which could present an opportunity for savings. However, the share of recent fares classified as a good price is 0%, indicating that finding exceptional deals might be challenging.

The cheapest time to fly from Ko Samui to Seoul is typically during September, with a median fare of $489. Other affordable months include November, where the median fare is $620, and October, with a median of $729. These months offer significantly lower prices compared to the overall median, making them ideal for budget-conscious travelers.

Regarding connections, most itineraries connect at least once, as 0% of recent fares were non-stop. When flights do connect, the typical number of stopovers is 3. This means you should expect multiple stops on your journey from Ko Samui to Seoul, which contributes to the overall travel duration.

The distance between Ko Samui and Seoul is 4078 kilometers, classifying this as a long-haul route. This considerable distance necessitates longer flight times and often involves connecting flights to reach the destination.

How much is a round trip from Ko Samui to Seoul

Regular price: $264 - $664

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

The regular price range for this route is between 264 USD and 664 USD. The current lowest deal is 439 USD with Scoot, for travel from Oct 25-Nov 4.

now $439

Low $264

High $664

The cheapest time to fly from Ko Samui to Seoul

The cheapest month to fly from USM to SEL is September, with a median price of $489. The most expensive month is August, with a median price of $1331. Prices are generally lower from September to November.

September

Cheapest

Flights from $489

August

Most Expensive

Flights from $1,331

Aug

Sep

Oct

Nov

Direct flights from Ko Samui to Seoul

Bangkok Airways

MyTravel Airways

Scoot

Thai Airways International

Last-minute flights going from Ko Samui to Seoul

Tue, Oct 13

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Bangkok Airways, Asiana Airlines

$360

$539

One-way

Sat, Oct 17

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$383

$458

One-way

Sun, Oct 18

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$299

$556

One-way

Sun, Oct 18

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$299

$560

One-way

Sun, Oct 25

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$304

$436

One-way

Sun, Oct 25

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$313

$436

One-way

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

2 nights

Oct 17 - Oct 19

$386 → $461

19%

8 nights

Oct 27 - Nov 4

$313 → $441

41%

10 nights

Oct 25 - Nov 4

$303 → $441

45%

3 nights

Nov 1 - Nov 4

$309 → $450

46%

Popular Airports to fly from Ko Samui to Seoul

Ko Samui - Seoul route insights

💸 Price insights

Recent fares below the typical level

Recent fares from Ko Samui to Seoul are below the typical level, with a median of $993.

📅 Best time to fly

September offers the lowest median prices

Historically, September is the cheapest month to fly, with a median price of $489.

⏱️ Flight duration

Connecting flights average 15h 40m

Flights from Ko Samui to Seoul typically involve connections, with a median duration of 15h 40m.

✈️ Airlines & availability

Connecting flights are dominant

Direct flights are not available for this route; connecting flights are the only option.

🏆 Airline highlight

Scoot offers a notable deal at $439

Scoot has a recent deal for $439, departing October 25 and returning November 4.

🎯 Booking tip

Deals are rare for this route

Deals for flights from Ko Samui to Seoul are historically rare, so book when you see a good price.

Ko Samui main airports to depart from

Samui (USM)

Cheapest

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

📍 ~7 km from Ko Samui (reachable by car)

💸 Flights from ~$431

Seoul main airports to arrive at

Incheon International (ICN)

Cheapest

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

📍 ~48 km from Seoul city center (reachable by car)

💸 Flights from ~$450

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International is a useful alternative, serving as a low-cost carrier hub for regional international routes.

📍 ~105 km from Seoul (reachable by bus and rail)

💸 Flights from ~$530

Business & First Class Flight Deals to Seoul

Discover luxury on the budget with premium cabin class on flights from Ko Samui to Seoul.

Elite

Best Elite deals to Seoul

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From USM

Elite

Nov 13

Seoul, South Korea

84% AI deal score

$1,526

$1,182

Save $344

Bangkok Airways, +1

Business Class

From USM

Elite

Nov 17

Seoul, South Korea

80% AI deal score

$1,492

$1,180

Save $312

Bangkok Airways, +1

Business Class

From USM

Elite

Nov 25

Seoul, South Korea

79% AI deal score

$1,575

$1,272

Save $303

Bangkok Airways, +1

Business Class

From USM

Elite

Nov 11

Seoul, South Korea

78% AI deal score

$1,474

$1,271

Save $203

Bangkok Airways, +1

Business Class

From USM

Elite

Nov 12

Seoul, South Korea

78% AI deal score

$1,557

$1,280

Save $277

Bangkok Airways, +1

Business Class

From USM

Elite

Nov 04

Seoul, South Korea

78% AI deal score

$1,554

$1,311

Save $243

Bangkok Airways, +1

Business Class

From USM

Elite

Nov 09

Seoul, South Korea

78% AI deal score

$1,557

$1,342

Save $215

Bangkok Airways, +1

Business Class

From USM

Elite

Nov 17

Seoul, South Korea

78% AI deal score

$1,551

$1,342

Save $209

Bangkok Airways, +1

Business Class

From USM

Elite

Nov 11

Seoul, South Korea

77% AI deal score

$1,462

$1,271

Save $191

Bangkok Airways, +1

Business Class

From USM

Elite

Nov 11

Seoul, South Korea

77% AI deal score

$1,457

$1,271

Save $186

Bangkok Airways, +1

Business Class

From USM

Elite

Nov 17

Seoul, South Korea

77% AI deal score

$1,474

$1,280

Save $194

Bangkok Airways, +1

Business Class

From USM

Elite

Nov 12

Seoul, South Korea

77% AI deal score

$1,461

$1,280

Save $181

Bangkok Airways, +1

Business Class

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 sites can often reveal better deals. Looking into flights with layovers may also present lower-cost options.

Booking flights in advance, often several months out, can sometimes lead to better prices. However, prices can fluctuate, so monitoring fares over time may help you identify a good booking window. Weekday bookings might also offer different pricing compared to weekends.

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

Related routes

More routes from Ko Samui

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Flights to Seoul from other cities

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Ko Samui to Seoul: Overview

Insights for flights from Ko Samui to Seoul

How much is a round trip from Ko Samui to Seoul

Regular price: $264 - $664

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

The regular price range for this route is between 264 USD and 664 USD. The current lowest deal is 439 USD with Scoot, for travel from Oct 25-Nov 4.

now $439

Low $264

High $664

The cheapest time to fly from Ko Samui to Seoul

September

Cheapest

Flights from $489

August

Most Expensive

Flights from $1,331

Aug

Sep

Oct

Nov

Direct flights from Ko Samui to Seoul

Bangkok Airways

MyTravel Airways

Scoot

Thai Airways International

Last-minute flights going from Ko Samui to Seoul

Tue, Oct 13

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Bangkok Airways, Asiana Airlines

$360

$539

One-way

Sat, Oct 17

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$383

$458

One-way

Sun, Oct 18

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$299

$556

One-way

Sun, Oct 18

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$299

$560

One-way

Sun, Oct 25

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$304

$436

One-way

Sun, Oct 25

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$313

$436

One-way

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

2 nights

Oct 17 - Oct 19

$386 → $461

19%

8 nights

Oct 27 - Nov 4

$313 → $441

41%

10 nights

Oct 25 - Nov 4

$303 → $441

45%

3 nights

Nov 1 - Nov 4

$309 → $450

46%

Popular Airports to fly from Ko Samui to Seoul

Ko Samui - Seoul route insights

💸 Price insights

Recent fares below the typical level

Recent fares from Ko Samui to Seoul are below the typical level, with a median of $993.

📅 Best time to fly

September offers the lowest median prices

Historically, September is the cheapest month to fly, with a median price of $489.

⏱️ Flight duration

Connecting flights average 15h 40m

Flights from Ko Samui to Seoul typically involve connections, with a median duration of 15h 40m.

✈️ Airlines & availability

Connecting flights are dominant

Direct flights are not available for this route; connecting flights are the only option.

🏆 Airline highlight

Scoot offers a notable deal at $439

Scoot has a recent deal for $439, departing October 25 and returning November 4.

🎯 Booking tip

Deals are rare for this route

Deals for flights from Ko Samui to Seoul are historically rare, so book when you see a good price.

Ko Samui main airports to depart from

Samui (USM)

Cheapest

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

📍 ~7 km from Ko Samui (reachable by car)

💸 Flights from ~$431

Seoul main airports to arrive at

Incheon International (ICN)

Cheapest

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

📍 ~48 km from Seoul city center (reachable by car)

💸 Flights from ~$450

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International is a useful alternative, serving as a low-cost carrier hub for regional international routes.

Seoul, South Korea

77% AI deal score

$1,461

$1,280

Save $181

Bangkok Airways, +1

Business Class

Frequently Asked Questions About Flights to Seoul

Cheap Flights from Ko Samui to Seoul

Today’s best flight deals from Ko Samui to Seoul

Ko Samui to Seoul: Overview

Insights for flights from Ko Samui to Seoul

How much is a round trip from Ko Samui to Seoul

The cheapest time to fly from Ko Samui to Seoul

Direct flights from Ko Samui to Seoul

Last-minute flights going from Ko Samui to Seoul

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

Popular Airports to fly from Ko Samui to Seoul

Ko Samui - Seoul route insights

Recent fares below the typical level

September offers the lowest median prices

Connecting flights average 15h 40m

Connecting flights are dominant

Scoot offers a notable deal at $439

Deals are rare for this route

Ko Samui main airports to depart from

Seoul main airports to arrive at

Airports nearby Seoul used as alternative

Business & First Class Flight Deals to Seoul

Best Elite deals to Seoul

Nov 13

Nov 17

Nov 25

Nov 11

Nov 12

Nov 04

Nov 09

Nov 17

Nov 11

Nov 11

Nov 17

Nov 12

Frequently Asked Questions About Flights to Seoul

How can I find cheap flights from Ko Samui to Seoul?

When should I book flights from Ko Samui to Seoul?

Should I compare nearby airports for flights from Ko Samui to Seoul?

Are direct flights from Ko Samui to Seoul always the best option?

Can flexible travel dates help on Ko Samui to Seoul flights?

What extra costs should I check before booking Ko Samui to Seoul flights?

Related routes

More routes from Ko Samui

Flights to Seoul from other cities

Ko Samui to Seoul: Overview

Insights for flights from Ko Samui to Seoul

How much is a round trip from Ko Samui to Seoul

The cheapest time to fly from Ko Samui to Seoul

Direct flights from Ko Samui to Seoul

Last-minute flights going from Ko Samui to Seoul

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

Popular Airports to fly from Ko Samui to Seoul

Ko Samui - Seoul route insights

Recent fares below the typical level

September offers the lowest median prices

Connecting flights average 15h 40m

Connecting flights are dominant

Scoot offers a notable deal at $439

Deals are rare for this route

Ko Samui main airports to depart from

Seoul main airports to arrive at

Airports nearby Seoul used as alternative

Business & First Class Flight Deals to Seoul

Best Elite deals to Seoul

Nov 13

Nov 17

Nov 25

Nov 11

Nov 12

Nov 04

Nov 09

Nov 17

Nov 11

Nov 11

Nov 17

Nov 12

Frequently Asked Questions About Flights to Seoul

How can I find cheap flights from Ko Samui to Seoul?

When should I book flights from Ko Samui to Seoul?

Should I compare nearby airports for flights from Ko Samui to Seoul?