$85 Cheap Flights from Jeju (CJU) to Yeosu (RSU)

View $85 flight on Thu, Nov 6, 2025Opens in a new window

Popular airlines from Jeju Intl. Airport (CJU) to Yeosu (RSU)

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Cheap Flights from Jeju to Yeosu (CJU-RSU)

Prices were available within the past 7 days and start at $85 for one-way flights and $171 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Thu, Oct 23 - Sun, Oct 26
CJU
Jeju City
RSU
Yeosu
$171 Roundtrip, found 3 hours ago
$171
Roundtrip
found 3 hours ago
Select Korean Air flight, departing Thu, Oct 23 from Jeju City to Yeosu, returning Sun, Oct 26, priced at $171 found 3 hours ago
Korean Air
Thu, Oct 23 - Sun, Oct 26
CJU
Jeju City
RSU
Yeosu
$175 Roundtrip, found 3 hours ago
$175
Roundtrip
found 3 hours ago
Select Korean Air flight, departing Thu, Oct 23 from Jeju City to Yeosu, returning Sun, Oct 26, priced at $175 found 3 hours ago
Asiana Airlines
Thu, Oct 23 - Sun, Oct 26
CJU
Jeju City
RSU
Yeosu
$180 Roundtrip, found 3 hours ago
$180
Roundtrip
found 3 hours ago
Select Asiana Airlines flight, departing Thu, Oct 23 from Jeju City to Yeosu, returning Sun, Oct 26, priced at $180 found 3 hours ago
0
Flights from Jeju (CJU) to Yeosu (RSU)
Origin airport
Jeju Intl.
Destination airport
Yeosu
Roundtrip price
$171
Distance
112 mi

Jeju to Yeosu Flights

The cheapest times to fly from Jeju to Yeosu

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Jeju to Yeosu are during the month of October. You can find some of the cheapest flights from Jeju to Yeosu with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Jeju to Yeosu

Sunday is one of the best days to book for cheap flights from Jeju to Yeosu: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Jeju to Yeosu

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Jeju to Yeosu in 2025. You can also book with separate airlines for your outbound and return journeys, from $85 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Jeju to Yeosu flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Jeju to Yeosu airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Jeju Intl. Airport (CJU) to Yeosu Airport (RSU) cost?
Cheap return fares from Jeju Intl. Airport (CJU) to Yeosu Airport (RSU) start from $170. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Korean Air flight leaving CJU on August 11 2025 and touching down at RSU. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from CJU to RSU?
The cheapest flights from CJU to RSU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Jeju Intl. Airport (CJU) to Yeosu Airport (RSU)?
Select from 3 airlines that fly directly from Jeju Intl. Airport (CJU) to Yeosu Airport (RSU). Including:

  • Asiana Airlines
  • Korean Air
  • Jin Air

What is the cheapest airline that flies from CJU to RSU?
Book a flight from CJU to RSU with Korean Air. This carrier currently offers the cheapest one-way ticket on this route, starting at $85. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CJU on September 12 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Jeju Intl. Airport (CJU) to Yeosu Airport (RSU)?
Daily, an average of 4 nonstop flights operate from Jeju Intl. Airport (CJU) to Yeosu Airport (RSU). Choose the departure that works for you.
What are the most popular departure times for flights from Jeju Intl. Airport (CJU) to Yeosu Airport (RSU)?
The 3 PM departures from CJU to RSU are the most sought after. They can also be more expensive. If you want to save on your fare, book during off-peak hours.
What day of the week has the most flights from CJU to RSU?
Friday has the most flights from Jeju Intl. Airport (CJU) to Yeosu Airport (RSU). Consider traveling on this day and you'll have a greater chance of finding a departure that works with your plans.
What is the earliest flight from Jeju Intl. Airport (CJU) to Yeosu Airport (RSU)?
Take the earliest flight at around 10:30AM UTC+9, leaving from Jeju Intl. Airport (CJU). You'll be traveling for approximately 50m, coming in to land at Yeosu Airport (RSU) at approximately 11:20AM UTC+9.
How long does it take to fly from Jeju Intl. Airport (CJU) to Yeosu Airport (RSU)?
The average flight time from CJU to RSU is 52 minutes, covering a distance of 110 mi.
What airline has the least delays from CJU to RSU?
With 93% of flights generally arriving on schedule, Korean Air has the best on-time performance for direct flights from Jeju Intl. Airport (CJU) to Yeosu Airport (RSU). To keep track of your flight status and get notifications if anything changes, simply head to the Expedia App.
What is the best time to fly from Jeju Intl. Airport (CJU) to Yeosu Airport (RSU)?
To avoid possible delays on the Jeju Intl. Airport (CJU) to Yeosu Airport (RSU) route, aim to fly before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Yeosu from Jeju Intl. Airport (CJU)?
You can touch down at one of these Yeosu airports after your direct flight from Jeju Intl. Airport (CJU):

  • Gwangju Intl. Airport (KWJ)
  • Yeosu Airport (RSU)
  • Sacheon Airport (HIN)

Is it cheaper to buy a plane ticket from Jeju Intl. Airport (CJU) to Yeosu Airport (RSU) last-minute?
Waiting until just before your departure to book a ticket from CJU to RSU generally means paying more. While you may come across some last-minute offers, there's no guarantee. Be flexible with your itinerary to boost your chances of snagging a bargain.
Is it cheaper to book a CJU to RSU flight and hotel package?
Opting for a CJU to RSU flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our extensive range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Jeju Intl. Airport (CJU) to Yeosu Airport (RSU)?
If you reserved your CJU to RSU flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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*Available to One Key members.