RSU to OSA, Yeosu Airport to Cheap Flights

Based on HopeGoo data, Jin Air offers one-way fares as low as US$83 on Cheapest nonstop routes (e.g. RSU to KIX on Tue, Mar 3), while Asiana Airlines offers Cheapest nonstop round-trips from US$224 departing on Wed, Mar 4 and returning on Wed, Mar 11.

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

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Yeosu to Osaka 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 Yeosu to Osaka, 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 Tue, Mar 3, with one-way flights priced at just US$83. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Jin 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 Osaka travel is around January. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Yeosu to Osaka is October, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Yeosu to Osaka on February 11, 2026 with Jin Air, with prices starting at US$112.

You can land at any one of the following hubs in Osaka, with Yeosu Airport to Kansai International Airport (RSU-KIX) is by far the most common option on this route: Osaka Itami Airport (ITM) Kansai International Airport (KIX) Kobe Airport (UKB).

The time difference between Osaka and Yeosu 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.