Cheap flight from Jeju to Seoul from $10

Frequently Asked Questions

• Which airlines offer direct flights from Jeju to Seoul?

  At the moment, you can catch a nonstop flight from Jeju to Seoul with the following airlines, including: Eastar Jet Jeju Air T'Way Air Jin 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 Jeju (CJU) to Seoul (SEL) and what is the distance?

  It takes around 1 hour 15 minutes to fly from Jeju (CJU) to Seoul (SEL).

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

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

  Based on Trip.com data in the past 4 weeks, there is 265 flight per week flying from Jeju to Seoul. You can check the weekly schedule for popular airlines on this route below: Eastar Jet: S/M/T/W/T/F/S -- ZE222 (20:43) T'Way Air: S/M/T/W/T/F/S -- TW704 (09:16) Korean Air: S/M/T/W/T/F/S -- KE5160 (21:04)

• When are flight tickets from Jeju (CJU) to Seoul (SEL) the cheapest?

  The cheapest months to fly from Jeju to Seoul is September, when demand for travel is lower.

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

  After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Jeju to Seoul on November 28, 2025 with T'Way Air, with prices starting at $7.

• Which airports can I fly to for Seoul from Jeju?

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

• Is there any time difference between Jeju and Seoul?

  The time difference between Seoul and Jeju is 0h.

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

  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.