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Flights from Koh Samui to Khon Kaen

Find the cheapest flight options from Koh Samui to Khon Kaen over the next three months. Book one-way tickets from ₹ 12,672 and round-trip tickets from ₹ 32,799.

      • USM 07:15
        11h 35m
        1 stop
        KKC 18:50
        Koh Samui - Khon Kaen | Sun, Dec 14 | Bangkok Airways
        KKC 09:15
        10h 35m
        1 stop
        USM 19:50
        Khon Kaen - Koh Samui | Fri, Dec 19 | Thai AirAsia
        ₹ 32,799 ₹ 54,350
        40% OFF
        40% OFF
        ₹ 54,350 ₹ 32,799
      • USM 06:45
        13h 35m
        1 stop
        KKC 20:20
        Koh Samui - Khon Kaen | Tue, Jan 27 | Bangkok Airways
        KKC 13:00
        6h 50m
        1 stop
        USM 19:50
        Khon Kaen - Koh Samui | Sat, Jan 31 | Thai AirAsia
        ₹ 33,983 ₹ 54,350
        37% OFF
        37% OFF
        ₹ 54,350 ₹ 33,983
      • USM 06:45
        5h 5m
        1 stop
        KKC 11:50
        Koh Samui - Khon Kaen | Wed, Dec 17 | Bangkok Airways
        KKC 13:00
        4h 40m
        1 stop
        USM 17:40
        Khon Kaen - Koh Samui | Sat, Dec 20 | Thai AirAsia
        ₹ 34,148 ₹ 54,350
        37% OFF
        37% OFF
        ₹ 54,350 ₹ 34,148
      • USM 06:45
        11h 45m
        1 stop
        KKC 18:30
        Koh Samui - Khon Kaen | Thu, Dec 18 | Bangkok Airways
        KKC 08:40
        12h 40m
        1 stop
        USM 21:20
        Khon Kaen - Koh Samui | Sat, Dec 20 | Thai Vietjet Air
        ₹ 34,288
        37% OFF
        ₹ 54,350 ₹ 34,288
      • USM 06:45
        13h 35m
        1 stop
        KKC 20:20
        Koh Samui - Khon Kaen | Sun, Feb 8 | Bangkok Airways
        KKC 09:15
        8h 35m
        1 stop
        USM 17:50
        Khon Kaen - Koh Samui | Sun, Feb 15 | Thai AirAsia
        ₹ 34,326
        37% OFF
        ₹ 54,350 ₹ 34,326
      • USM 07:55
        10h 35m
        1 stop
        KKC 18:30
        Koh Samui - Khon Kaen | Wed, Jan 7 | Bangkok Airways
        KKC 08:40
        11h 45m
        1 stop
        USM 20:25
        Khon Kaen - Koh Samui | Fri, Jan 9 | Thai Vietjet Air
        ₹ 35,586
        35% OFF
        ₹ 54,350 ₹ 35,586
      • USM 06:45
        5h 15m
        1 stop
        KKC 12:00
        Koh Samui - Khon Kaen | Fri, Dec 12 | Bangkok Airways
        KKC 12:40
        8h 40m
        1 stop
        USM 21:20
        Khon Kaen - Koh Samui | Mon, Dec 15 | Thai Lion Air
        ₹ 35,611
        34% OFF
        ₹ 54,350 ₹ 35,611
      • USM 06:45
        13h 15m
        1 stop
        KKC 20:00
        Koh Samui - Khon Kaen | Sat, Dec 27 | Bangkok Airways
        KKC 09:15
        9h 25m
        1 stop
        USM 18:40
        Khon Kaen - Koh Samui | Sat, Jan 3 | Thai AirAsia
        ₹ 38,028
        30% OFF
        ₹ 54,350 ₹ 38,028
      • USM 06:45
        5h 15m
        1 stop
        KKC 12:00
        Koh Samui - Khon Kaen | Tue, Dec 30 | Bangkok Airways
        KKC 08:10
        13h 10m
        1 stop
        USM 21:20
        Khon Kaen - Koh Samui | Fri, Jan 2 | Thai Lion Air
        ₹ 44,199
        19% OFF
        ₹ 54,350 ₹ 44,199
      • USM 19:30
        12h 40m
        1 stop
        KKC 08:10
        Koh Samui - Khon Kaen | Tue, Jan 27 | Apg Airlines
        KKC 08:40
        8h
        1 stop
        USM 16:40
        Khon Kaen - Koh Samui | Sat, Jan 31 | Thai Vietjet Air
        ₹ 48,372
        11% OFF
        ₹ 54,350 ₹ 48,372
      • USM 13:00
        17h 25m
        1 stop
        KKC Invalid Date
        Koh Samui - Khon Kaen | Fri, Dec 12 | Normal Airline
        KKC 15:00
        6h
        Direct
        USM 16:00
        Khon Kaen - Koh Samui | Sun, Dec 14 | Normal Airline
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Displayed flight fares from Koh Samui to Khon Kaen are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for Koh Samui to Khon Kaen

The distance between Koh Samui and Khon Kaen is 823.28km. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is December.

Cheapest one-way flight price₹ 12,672
Cheapest return ticket price₹ 32,799
Off-season travel monthDecember
Peak season for travelJuly
Flight distance823.28km

Find the best time to fly from Koh Samui to Khon Kaen

The cheapest time for Koh Samui to Khon Kaen flights: Dec 21 to Dec 28 — one way flight prices from ₹ 12,672.

Cheapest flights
From price
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  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Koh Samui to Khon Kaen, calculated over the upcoming 10 weeks.

Flight FAQs

  • Which airlines offer the cheapest flights from Koh Samui (USM) to Khon Kaen (KKC)?

    Based on Trip.com data, Bangkok Airways offers one-way fares as low as ₹ 12,672 on Cheapest nonstop routes (e.g. USM to KKC on Tue, Dec 23), while Bangkok Airways offers Cheapest nonstop round-trips from ₹ 32,799 departing on Sun, Dec 14 and returning on Fri, Dec 19.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Koh Samui to Khon Kaen is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Koh Samui to Khon Kaen, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Dec 23, with one-way flights priced at just ₹ 12,672.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Bangkok Airways.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Khon Kaen travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Koh Samui to Khon Kaen is December, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Koh Samui to Khon Kaen on December 31, 2025 with Bangkok Airways, with prices starting at ₹ 30,661.
  • The time difference between Khon Kaen and Koh Samui is 0h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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