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Flights from Koh Samui to Khon Kaen

Find Cheapest Airlines Flying from Koh Samui to Khon Kaen

Choose from 1 airlines flying from Koh Samui to Khon Kaen, including Bangkok Airways, and . Bangkok Airways currently offers the cheapest ticket on this route.

Find the cheapest flight options from Koh Samui to Khon Kaen over the next three months. Book one-way tickets from €122 and round-trip tickets from €314.

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 Information for Koh Samui to Khon Kaen Flights

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€122
Cheapest return ticket price€314
Off-season travel monthDecember
Peak season for travelJuly
Flight distance823.28km
Popular airlineBangkok Airways

When is the cheapest 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 €121.

Cheapest flights
From price
Search
  • 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 €122 on Cheapest nonstop routes (e.g. USM to KKC on Tue, Dec 23), while Bangkok Airways offers Cheapest nonstop round-trips from €314 departing on Sun, Dec 14 and returning on Fri, Dec 19.
  • At the moment, you can catch a direct flight from Koh Samui to Khon Kaen with the following airlines, including: Bangkok Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • 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 €122.
    · 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 23, 2025 with Bangkok Airways, with prices starting at €121.
  • You can land at any one of the following hubs in Khon Kaen, with Samui Airport to Khon Kaen Airport (USM-KKC) is by far the most common option on this route: Khon Kaen Airport (KKC).
  • 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.