OSA to CJU, to Jeju International Airport Cheap Flights

Based on HopeGoo data, Aero K Airlines offers one-way fares as low as US$101 on Cheapest nonstop routes (e.g. KIX to CJU on Sat, Mar 21), while T'Way Air offers Cheapest nonstop round-trips from US$194 departing on Fri, Apr 3 and returning on Fri, Apr 10.

At the moment, you can catch a nonstop flight from Osaka to Jeju with the following airlines, including: T'Way Air Jeju Air Air Busan Peach Selected airlines are based on historical data collected from flight bookings users made on HopeGoo within the last 90 days.

It takes about 2 hours to fly from Osaka to Jeju.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Osaka 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 7 flight per week flying from Osaka to Jeju. You can check the weekly schedule for popular airlines on this route below: T'Way Air: S/M/T/W/T/F/S -- TW332 (12:25)

To find best deals on flights from Osaka 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 Sat, Mar 21, with one-way flights priced at just US$101. · 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 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 January. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Osaka 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 Osaka to Jeju on February 11, 2026 with Peach, with prices starting at US$101.

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

The time difference between Jeju and Osaka 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.