Cheap Flights from Seoul to Kumamoto City from $55

Frequently Asked Questions

• What are the cheapest flights from Seoul to Kumamoto City (SEL-KMJ)?

  Based on Trip.com data, Jin Air offers one-way fares as low as $55 on Cheapest nonstop routes (e.g. GMP to KMJ on Tue, Mar 17), while T'Way Air offers Cheapest nonstop round-trips from $166 departing on Sun, May 3 and returning on Fri, May 8.

• Which airlines offer direct flights from Seoul to Kumamoto City?

  At the moment, you can catch a nonstop flight from Seoul to Kumamoto City with the following airlines, including: T'Way Air Korean Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Seoul (SEL) to Kumamoto City (KMJ) and what is the distance?

  It takes around 1 hour 30 minutes to fly from Seoul (SEL) to Kumamoto City (KMJ).

• When is the best time to book flights from Seoul to Kumamoto City?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seoul to Kumamoto City 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.

• How many flights are there per week from Seoul to Kumamoto City?

  Based on Trip.com data in the past 4 weeks, there is 14 flight per week flying from Seoul to Kumamoto City. You can check the weekly schedule for popular airlines on this route below: T'Way Air: S/M/T/W/T/F/S -- TW287 (07:54) Korean Air: S/M/T/W/T/F/S -- KE2155 (16:38)

• How can I find the best deals on flights from Seoul to Kumamoto City?

  To find best deals on flights from Seoul to Kumamoto City, 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, Mar 17, with one-way flights priced at just $55.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is T'Way Air.
  · 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 Kumamoto City travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Seoul (SEL) to Kumamoto City (KMJ) the cheapest?

  The cheapest months to fly from Seoul to Kumamoto City is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Seoul to Kumamoto City on?

  After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Seoul to Kumamoto City on March 17, 2026 with T'Way Air, with prices starting at $155.

• Which airports can I fly to for Kumamoto City from Seoul?

  You can land at any one of the following hubs in Kumamoto City, with Incheon International Airport to Kumamoto Airport (ICN-KMJ) is by far the most common option on this route: Kumamoto Airport (KMJ).

• Is there any time difference between Seoul and Kumamoto City?

  The time difference between Kumamoto City and Seoul is 0h.

• How do I change or cancel my ticket from Seoul to Kumamoto City?

  Tickets can only be changed or canceled 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.