PUS - USM

฿16,736 Find Cheap Flights from Busan to Ko Samui – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
฿16,736
Typical prices: ฿13,968-฿17,462
Multiple Airlines
Tue 23/10Tue 30/10
PUS - USM • 2 stops
When to travel
May
Cheapest • 15% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Bangkok Suvarnabhumi (BKK)
Cheapest • Avg ฿15,886 (return)
Singapore Changi (SIN)
Shortest trip • 12h 36m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Busan to Ko Samui (PUS-USM)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Busan to Ko Samui

Fri 23 Oct - Fri 30 Oct
Multiple Airlines Logo
08:10 - 07:10PUS  Busan Gimhae-USM Ko Samui
25h 00m2 stops Ho Chi Minh City Bangkok Suvarnabhumi
Multiple Airlines Logo
08:50 - 06:05USM  Ko Samui-PUS Busan Gimhae
19h 15m1 stop Chiang Mai
฿16,736Multiple Airlines
Sun 25 Oct - Sun 1 Nov
Multiple Airlines Logo
19:35 - 10:25PUS  Busan Gimhae-USM Ko Samui
40h 50m2 stops Phu Quoc Duong Dang Bangkok Don Mueang Intl
Multiple Airlines Logo
21:10 - 08:00USM  Ko Samui-PUS Busan Gimhae
8h 50m1 stop Bangkok Suvarnabhumi
฿16,867Multiple Airlines
Sun 25 Oct - Sun 1 Nov
Multiple Airlines Logo
12:35 - 10:40PUS  Busan Gimhae-USM Ko Samui
24h 05m2 stops Shanghai Pu Dong Phuket City
Multiple Airlines Logo
18:15 - 16:50USM  Ko Samui-PUS Busan Gimhae
20h 35m2 stops Phuket City Shanghai Pu Dong
฿18,380Multiple Airlines
Sun 25 Oct - Sun 1 Nov
Multiple Airlines Logo
12:35 - 10:40PUS  Busan Gimhae-USM Ko Samui
24h 05m2 stops Shanghai Pu Dong Phuket City
Multiple Airlines Logo
08:15 - 17:50USM  Ko Samui-PUS Busan Gimhae
31h 35m3 stops Phuket City Kunming Changshui Nanjing Lukou Intl
฿18,643Multiple Airlines
Fri 23 Oct - Fri 30 Oct
Multiple Airlines Logo
20:00 - 07:10PUS  Busan Gimhae-USM Ko Samui
13h 10m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
08:50 - 06:05USM  Ko Samui-PUS Busan Gimhae
19h 15m1 stop Chiang Mai
฿19,005Multiple Airlines
Fri 23 Oct - Fri 30 Oct
Multiple Airlines Logo
10:00 - 07:10PUS  Busan Gimhae-USM Ko Samui
23h 10m2 stops Ho Chi Minh City Bangkok Suvarnabhumi
Multiple Airlines Logo
18:40 - 07:50USM  Ko Samui-PUS Busan Gimhae
35h 10m2 stops Bangkok Suvarnabhumi Ho Chi Minh City
฿19,531Multiple Airlines
Sun 25 Oct - Sun 1 Nov
Multiple Airlines Logo
19:30 - 07:45PUS  Busan Gimhae-USM Ko Samui
14h 15m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
20:30 - 08:00USM  Ko Samui-PUS Busan Gimhae
9h 30m1 stop Bangkok Suvarnabhumi
฿20,649Multiple Airlines
Fri 25 Sep - Sun 27 Sep
Multiple Airlines Logo
20:00 - 17:05PUS  Busan Gimhae-USM Ko Samui
23h 05m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
08:40 - 08:10USM  Ko Samui-PUS Busan Gimhae
21h 30m1 stop Singapore Changi
฿20,780Multiple Airlines
Fri 25 Sep - Sun 27 Sep
Multiple Airlines Logo
18:00 - 10:30PUS  Busan Gimhae-USM Ko Samui
18h 30m2 stops Bangkok Suvarnabhumi Phuket City
Multiple Airlines Logo
19:00 - 12:00USM  Ko Samui-PUS Busan Gimhae
15h 00m2 stops Phuket City Incheon Intl
฿23,082Multiple Airlines
Mon 19 Oct - Fri 23 Oct
Vietnam Airlines Logo
10:00 - 13:45PUS  Busan Gimhae-USM Ko Samui
29h 45m2 stops Ho Chi Minh City Bangkok Suvarnabhumi
Vietnam Airlines Logo
15:20 - 07:05USM  Ko Samui-PUS Busan Gimhae
13h 45m2 stops Bangkok Suvarnabhumi Hanoi Noibai
฿31,335Vietnam Airlines
Booking Insights

Price, demand, and travel trends for Busan to Ko Samui flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Busan to Ko Samui with more confidence.

What is the cheapest airline to fly from Busan to Ko Samui?

Vietnam Airlines (฿31,335) offered the cheapest return ticket from Busan to Ko Samui in the last 5 days.

Find deals

Key details for Busan to Ko Samui flights

Low season

July
Best time to beat the crowds but there is an average 5% increase in price.
Most popular time to fly (19% more expensive on average)

When to book flights from Busan to Ko Samui

Are your dates flexible? Find out the best times to travel from Busan to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Busan to Ko Samui flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from Busan to Ko Samui?

    Flights from Busan to Ko Samui usually depart from Busan Gimhae (PUS) and arrive at Ko Samui (USM).

  • Which airports do connecting flights from Busan to Ko Samui pass through?

    Connecting flights from Busan to Ko Samui most commonly pass through:

    • Singapore Changi (SIN) – 77% of one-stop connections
    • Bangkok Suvarnabhumi (BKK) – 23% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Busan to Ko Samui?

    Yes. Being flexible with your travel dates can save you up to 53% on the Busan to Ko Samui route. Monday is the cheapest departure day at ฿13,843 return on average, while Thursday is the most expensive at ฿29,263, a difference of ฿15,421. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Ko Samui?

    Some of the most popular sights in Ko Samui are Chaweng Beach, Lamai Beach, and Hin Ta and Hin Yai Rocks. These are among the most viewed places in Ko Samui on KAYAK.

  • How long is a flight from Busan to Ko Samui?

    There are currently no direct flights available from Busan to Ko Samui. Flights with 1 stopover take between 12h 36m and 13h 45m in total, depending on the connection.

  • Do I need a passport to fly from Busan to Ko Samui?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Busan to Ko Samui changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿16,736 to ฿62,768. That means the highest observed fare was about 4x higher than the lowest one.

  • How much time can I save by choosing a different stopover airport from Busan to Ko Samui?

    Flying via Singapore Changi (SIN) gives the shortest average 1-stop total travel time of 12h 36m, compared to 13h 45m via Bangkok Suvarnabhumi (BKK).

  • What is the time difference between Busan and Ko Samui?

    Ko Samui is 2 hours behind Busan (Indochina Time vs Korean Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at Ko Samui Airport (USM)?

    Ko Samui Airport (USM) hosts 5 major car hire companies, with daily rates starting from around ฿446 for economy cars. Top options include:
    • Drive Car Rental
    • Alamo
    • Sixt
    • Enterprise Rent-A-Car
    • Hertz

  • How much should I expect to pay for a Busan to Ko Samui flight?

    Return flights from Busan to Ko Samui range from ฿13,968 to ฿17,462, with an average of ฿16,275 over the past 12 months. Anything below ฿13,968 counts as a good deal.

Your guide to booking Busan to Ko Samui flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure instead of Thursday. On this route, Monday flights average ฿13,843 – about ฿15,421 less than Thursday (53% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Busan to Ko Samui trip for May. Fares historically average ฿13,843 return in that month – typically ฿15,421 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ko Samui Airport.
    - Ozo Chaweng Samui - Sha Extra Plus
    - Cosi Samui Chaweng Beach
    - Melia Koh Samui

More options for your flight from Busan to Ko Samui

Complete your trip to Ko Samui with a hotel stay or car hire

Car rentals in Ko Samui
Hotels in Ko Samui