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

Direct flights offer convenience and save travel time, but they are not always the most economical choice. Flights with layovers can sometimes be significantly cheaper, depending on the route and airline. 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, having flexible travel dates can often lead to finding more affordable flight prices. Prices can vary considerably between different days of the week or even specific weeks. Adjusting your departure or return by a few days may result in notable savings.

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. Be aware of these additional expenses 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 5 days ago

402 airlines compared

80%+ AI score for best value

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

July 26 - August 23

Cheapest

Earliest

USM - Seoul

$320

$410

Round trip

August 11 - August 23

Cheapest

USM - Seoul

$338

$410

Round trip

July 28 - August 23

Cheapest

USM - Seoul

$307

$410

Round trip

September 23 - October 4

USM - Seoul

$340

$412

Round trip

September 23 - October 19

USM - Seoul

$330

$414

Round trip

September 23 - September 28

USM - Seoul

$377

$415

Round trip

September 24 - September 28

Best

USM - Seoul

$380

$415

Round trip

September 23 - October 11

USM - Seoul

$332

$416

Round trip

September 23 - October 18

USM - Seoul

$330

$417

Round trip

September 23 - October 5

USM - Seoul

$339

$417

Round trip

Unlock all 500+ flight deals to Seoul and get alerts when great deals appear

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 involve at least one stopover, with a median of 2 connections when not flying direct. New deals for this route appear almost daily, offering frequent opportunities for travelers.

For travelers seeking 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. Unfortunately, 0% of recent fares were classified as a good price, indicating that finding exceptional deals can be challenging.

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. Planning your trip during these months could result in more favorable prices.

How much is a round trip from Ko Samui to Seoul

Regular price: $321 - $636

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 from 321 USD to 636 USD. The current lowest deal is 416 USD with Bangkok Airways, for travel from Sep 24 to Sep 28.

now $416

Low $321

High $636

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

Air Premia

Last-minute flights going from Ko Samui to Seoul

Mon, Jul 13

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$376

$661

One-way

Mon, Jul 13

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$378

$832

One-way

Wed, Jul 15

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$389

$600

One-way

Thu, Jul 16

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$389

$679

One-way

Fri, Jul 17

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$420

$598

One-way

Wed, Jul 22

⌛ Last-Minute

USM - Seoul

Ko Samui (USM) - Seoul (ICN)

Scoot

$363

$630

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 for this route.

📅 Best time to fly

January offers the lowest median price at $292

Historically, January has been the cheapest month to fly, with a median price of $292.

⏱️ Flight duration

Flights typically take 15h 40m

The median flight duration from Ko Samui to Seoul is 15 hours and 40 minutes.

✈️ Airlines & availability

Connecting flights are dominant

This route is primarily served by connecting flights, with a median of 2 stopovers.

🏆 Airline highlight

Scoot offers 44 direct deals

Scoot provides 44 direct deals for flights from Ko Samui to Seoul.

🎯 Booking tip

Deals appear frequently

Deals for flights on this route appear frequently, typically within a 30-day window.

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 sites can also help uncover better deals. Look out for layovers, as these flights can sometimes be less expensive than direct options.

Booking flights in advance often provides more competitive prices, though last-minute deals can sometimes appear. It's generally advisable to monitor price trends for your desired travel period. Prices may fluctuate, so checking regularly can be beneficial.

Comparing nearby airports can sometimes reveal additional flight options or different pricing. While it may add to your ground travel, the potential savings on airfare could be significant. Always factor in the total cost and time for transportation to and from alternative airports.

Related routes

Consider alternative routes from Ko Samui

Flights from Ko Samui to Bangkok Flights from Ko Samui to Chiang Mai Flights from Ko Samui to Hong Kong Flights from Ko Samui to Manila Flights from Ko Samui to New Delhi Flights from Ko Samui to Phuket City Flights from Ko Samui to Singapore Flights from Ko Samui to Taipei