HIN to CJU, Sacheon Airport to Jeju International Airport Cheap Flights

Based on HopeGoo data, Korean Air offers one-way fares as low as US$31 on Cheapest nonstop routes (e.g. HIN to CJU on Wed, Mar 18), while Korean Air offers Cheapest nonstop round-trips from US$61 departing on Mon, Mar 16 and returning on Wed, Mar 18.

At the moment, you can catch a nonstop flight from Jinju to Jeju with the following airlines, including: Korean Air Selected airlines are based on historical data collected from flight bookings users made on HopeGoo within the last 90 days.

It takes about 1 hour to fly from Jinju to Jeju.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Jinju to Jeju 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.

Based on HopeGoo data in the past 4 weeks, there is 5 flight per week flying from Jinju to Jeju. You can check the weekly schedule for popular airlines on this route below: Korean Air: S/-/T/-/T/F/S -- KE1585 (14:30)

To find best deals on flights from Jinju to Jeju, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Mar 18, with one-way flights priced at just US$31. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Korean Air. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Jeju travel is around July. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Jinju to Jeju is October, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Jinju to Jeju on February 9, 2026 with Korean Air, with prices starting at US$72.

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

The time difference between Jeju and Jinju is 0h.

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 HopeGoo, 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.