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

Direct flights offer convenience by reducing travel time and avoiding layovers, but they are not always the cheapest option. Flights with one or more connections can sometimes be more affordable. Evaluate your priorities between cost savings and travel efficiency.

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

Yes, having flexible travel dates can significantly impact the price of your flight. Shifting your departure or return by a few days, or even choosing to fly on weekdays instead of weekends, may lead to considerable savings. Flight prices often vary based on demand for specific dates.

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 meal expenses. Some airlines may also charge for printing boarding passes at the airport. Understanding these additional fees can help you calculate the true total cost of your journey.

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 today

456 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Aug 31, 2026.)

Today’s best flight deals from Ko Samui to Seoul

Explore current cheapest deals departing from Ko Samui to Seoul

2026-09-13 – 2026-09-20
USM - Seoul
71% AI deal score
$402
$411
Round trip
2026-09-20 – 2026-09-26
USM - Seoul
70% AI deal score
$371
$450
Round trip
2026-09-13 – 2026-09-19
USM - Seoul
70% AI deal score
$402
$451
Round trip
2026-09-19 – 2026-09-22
USM - Seoul
71% AI deal score
$397
$466
Round trip
2026-10-15 – 2026-10-17
USM - Seoul
69% AI deal score
$338
$466
Round trip
2026-10-14 – 2026-10-28
USM - Seoul
72% AI deal score
$294
$480
Round trip
2026-10-01 – 2026-10-27
USM - Seoul
71% AI deal score
$284
$492
Round trip
2026-10-14 – 2026-10-21
USM - Seoul
70% AI deal score
$323
$493
Round trip
2026-10-23 – 2026-10-27
USM - Seoul
71% AI deal score
$337
$510
Round trip
2027-01-15 – 2027-01-19
USM - Seoul
68% AI deal score
$348
$515
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 long-haul route covering a distance of 4078 kilometers. Most itineraries for this route connect at least once, with the median number of stopovers for connecting flights being 2.

When considering cheap flights from Ko Samui to Seoul, fares typically range from $397–$605, with a median of $488. Right now, current fares are above the typical level. New deals appear almost daily, offering frequent opportunities to find flights on this route.

The cheapest time to fly from Ko Samui to Seoul 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.

How much is a round trip from Ko Samui to Seoul

Regular price: $316 - $680

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

The regular price range for flights from Ko Samui to Seoul is between $316 and $680. The current lowest deal is $418 with Bangkok Airways, for travel from Sep 24 to Sep 30.

now $418

Low $316

High $680

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

Scoot

Bangkok Airways

MyTravel Airways

Thai Airways International

Last-minute flights going from Ko Samui to Seoul

Tue, Sep 8

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Bangkok Airways

$410

$458

One-way

Wed, Sep 9

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Bangkok Airways

$375

$552

One-way

Thu, Sep 10

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Bangkok Airways

$374

$569

One-way

Sun, Sep 13

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$371

$421

One-way

Sun, Sep 13

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$331

$435

One-way

Sun, Sep 13

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$324

$435

One-way

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

4 nights

Sep 21 - Sep 25

$389 → $421

2 nights

Sep 23 - Sep 25

$389 → $430

11%

7 nights

Sep 22 - Sep 29

$371 → $418

13%

4 nights

Sep 8 - Sep 12

$410 → $458

12%

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 for this route.

📅 Best time to fly

Fly in January for the best prices

Historically, January ($292), November ($301), and August ($340) offer the lowest median prices.

⏱️ Flight duration

Expect a 15h 40m flight duration

Flights from Ko Samui to Seoul typically take 15 hours and 40 minutes, with 2 stopovers.

✈️ Airlines & availability

Connecting flights are dominant

No direct flights are available. Connecting flights are frequent, with deals appearing often.

🏆 Airline highlight

Bangkok Airways offers a recent deal

Bangkok Airways recently offered a flight for $418 from Ko Samui to Seoul via kiwi.

🎯 Booking tip

Consider deals from various providers

Deals for flights on this route are frequent, so compare options across providers.

Ko Samui main airports to depart from

Samui (USM)

Cheapest

Samui Airport (USM) is a convenient departure point for flights from Ko Samui to Seoul.

📍 ~7 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 arrival choice for flights from Ko Samui to Seoul.

📍 ~40 km from Seoul (reachable by car)

💸 Flights from ~$416

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International is a useful alternative, offering international flights and good connections to Seoul.

📍 ~125 km from Seoul (reachable by express bus and rail services)

💸 Flights from ~$527

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

Dec 18

Seoul, South Korea

87% AI deal score

$2,259

$1,512

Save $747

Bangkok Airways, +1

Business Class

From USM

Elite

Oct 21

Seoul, South Korea

80% AI deal score

$1,695

$1,334

Save $361

Bangkok Airways, +1

Business Class

From USM

Elite

Sep 17

Seoul, South Korea

79% AI deal score

$1,607

$1,272

Save $335

Bangkok Airways, +1

Business Class

From USM

Elite

Sep 21

Seoul, South Korea

79% AI deal score

$1,616

$1,275

Save $341

Bangkok Airways, +1

Business Class

From USM

Elite

Oct 21

Seoul, South Korea

79% AI deal score

$1,636

$1,334

Save $302

Bangkok Airways, +1

Business Class

From USM

Elite

Oct 14

Seoul, South Korea

79% AI deal score

$1,659

$1,334

Save $325

Bangkok Airways, +1

Business Class

From USM

Elite

Oct 14

Seoul, South Korea

79% AI deal score

$1,623

$1,336

Save $287

Bangkok Airways, +1

Business Class

From USM

Elite

Oct 14

Seoul, South Korea

78% AI deal score

$1,606

$1,334

Save $272

Bangkok Airways, +1

Business Class

From USM

Elite

Oct 14

Seoul, South Korea

78% AI deal score

$1,581

$1,334

Save $247

Bangkok Airways, +1

Business Class

From USM

Elite

Oct 14

Seoul, South Korea

78% AI deal score

$1,580

$1,334

Save $246

Bangkok Airways, +1

Business Class

From USM

Elite

Oct 14

Seoul, South Korea

78% AI deal score

$1,600

$1,334

Save $266

Bangkok Airways, +1

Business Class

From USM

Elite

Oct 21

Seoul, South Korea

78% AI deal score

$1,595

$1,334

Save $261

Bangkok Airways, +1

Business Class

Frequently Asked Questions About Flights to Seoul

To find more affordable flights, consider using flight comparison websites to check various airlines and booking platforms. Being flexible with your travel dates and looking into different times of the year can often reveal better deals. Setting up price alerts may also help you catch drops in fares.

Booking flights in advance, often several months before your intended departure, can sometimes result in lower prices. However, prices can fluctuate, so it's wise to monitor fares over time. Avoiding peak travel seasons may also help you secure better rates.

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 savings on airfare can occasionally be significant. Always factor in the total cost and convenience when considering this approach.

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: $316 - $680

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

The regular price range for flights from Ko Samui to Seoul is between $316 and $680. The current lowest deal is $418 with Bangkok Airways, for travel from Sep 24 to Sep 30.

now $418

Low $316

High $680

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

Scoot

Bangkok Airways

MyTravel Airways

Thai Airways International

Last-minute flights going from Ko Samui to Seoul

Tue, Sep 8

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Bangkok Airways

$410

$458

One-way

Wed, Sep 9

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Bangkok Airways

$375

$552

One-way

Thu, Sep 10

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Bangkok Airways

$374

$569

One-way

Sun, Sep 13

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$371

$421

One-way

Sun, Sep 13

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$331

$435

One-way

Sun, Sep 13

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$324

$435

One-way

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

4 nights

Sep 21 - Sep 25

$389 → $421

2 nights

Sep 23 - Sep 25

$389 → $430

11%

7 nights

Sep 22 - Sep 29

$371 → $418

13%

4 nights

Sep 8 - Sep 12

$410 → $458

12%

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 for this route.

📅 Best time to fly

Fly in January for the best prices

Historically, January ($292), November ($301), and August ($340) offer the lowest median prices.

⏱️ Flight duration

Expect a 15h 40m flight duration

Flights from Ko Samui to Seoul typically take 15 hours and 40 minutes, with 2 stopovers.

✈️ Airlines & availability

Connecting flights are dominant

No direct flights are available. Connecting flights are frequent, with deals appearing often.

🏆 Airline highlight

Bangkok Airways offers a recent deal

Bangkok Airways recently offered a flight for $418 from Ko Samui to Seoul via kiwi.

🎯 Booking tip

Consider deals from various providers

Deals for flights on this route are frequent, so compare options across providers.

Ko Samui main airports to depart from

Samui (USM)

Cheapest

Samui Airport (USM) is a convenient departure point for flights from Ko Samui to Seoul.

📍 ~7 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 arrival choice for flights from Ko Samui to Seoul.

📍 ~40 km from Seoul (reachable by car)

💸 Flights from ~$416

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International is a useful alternative, offering international flights and good connections to Seoul.

Seoul, South Korea

78% AI deal score

$1,595

$1,334

Save $261

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 are above the typical level

Fly in January for the best prices

Expect a 15h 40m flight duration

Connecting flights are dominant

Bangkok Airways offers a recent deal

Consider deals from various providers

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

Dec 18

Oct 21

Sep 17

Sep 21

Oct 21

Oct 14

Oct 14

Oct 14

Oct 14

Oct 14

Oct 14

Oct 21

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 are above the typical level

Fly in January for the best prices

Expect a 15h 40m flight duration

Connecting flights are dominant

Bangkok Airways offers a recent deal

Consider deals from various providers

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

Dec 18

Oct 21

Sep 17

Sep 21

Oct 21

Oct 14

Oct 14

Oct 14

Oct 14

Oct 14

Oct 14

Oct 21

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?