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

View $85 flight on Wed, Oct 1, 2025Opens in a new window

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

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Cheap Flights from Yeosu to Jeju (RSU-CJU)

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
Fri, Sep 12 - Fri, Sep 19
RSU
Yeosu
CJU
Jeju City
$171 Roundtrip, found 19 hours ago
$171
Roundtrip
found 19 hours ago
Select Korean Air flight, departing Fri, Sep 12 from Yeosu to Jeju City, returning Fri, Sep 19, priced at $171 found 19 hours ago
Korean Air
Fri, Oct 10 - Mon, Oct 13
RSU
Yeosu
CJU
Jeju City
$172 Roundtrip, found 1 day ago
$172
Roundtrip
found 1 day ago
Select Korean Air flight, departing Fri, Oct 10 from Yeosu to Jeju City, returning Mon, Oct 13, priced at $172 found 1 day ago
Asiana Airlines
Fri, Sep 12 - Fri, Sep 19
RSU
Yeosu
CJU
Jeju City
$175 Roundtrip, found 19 hours ago
$175
Roundtrip
found 19 hours ago
Select Asiana Airlines flight, departing Fri, Sep 12 from Yeosu to Jeju City, returning Fri, Sep 19, priced at $175 found 19 hours ago
Korean Air
Mon, Aug 25 - Wed, Aug 27
RSU
Yeosu
CJU
Jeju City
$176 Roundtrip, found 5 days ago
$176
Roundtrip
found 5 days ago
Select Korean Air flight, departing Mon, Aug 25 from Yeosu to Jeju City, returning Wed, Aug 27, priced at $176 found 5 days ago
Asiana Airlines
Fri, Oct 10 - Mon, Oct 13
RSU
Yeosu
CJU
Jeju City
$177 Roundtrip, found 1 day ago
$177
Roundtrip
found 1 day ago
Select Asiana Airlines flight, departing Fri, Oct 10 from Yeosu to Jeju City, returning Mon, Oct 13, priced at $177 found 1 day ago
Asiana Airlines
Wed, Aug 6 - Sat, Aug 9
RSU
Yeosu
CJU
Jeju City
$179 Roundtrip, found 2 hours ago
$179
Roundtrip
found 2 hours ago
Select Asiana Airlines flight, departing Wed, Aug 6 from Yeosu to Jeju City, returning Sat, Aug 9, priced at $179 found 2 hours ago
Asiana Airlines
Fri, Sep 12 - Fri, Sep 19
RSU
Yeosu
CJU
Jeju City
$180 Roundtrip, found 19 hours ago
$180
Roundtrip
found 19 hours ago
Select Asiana Airlines flight, departing Fri, Sep 12 from Yeosu to Jeju City, returning Fri, Sep 19, priced at $180 found 19 hours ago
Asiana Airlines
Fri, Oct 10 - Mon, Oct 13
RSU
Yeosu
CJU
Jeju City
$181 Roundtrip, found 1 day ago
$181
Roundtrip
found 1 day ago
Select Asiana Airlines flight, departing Fri, Oct 10 from Yeosu to Jeju City, returning Mon, Oct 13, priced at $181 found 1 day ago
0
Flights from Yeosu (RSU) to Jeju (CJU)
Origin airport
Yeosu
Destination airport
Jeju Intl.
Airlines serving
Asiana Airlines, Korean Air
Roundtrip price
$171
Distance
112 mi

Yeosu to Jeju Flights

The cheapest times to fly from Yeosu to Jeju

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 Yeosu to Jeju are during the month of September. You can find some of the cheapest flights from Yeosu to Jeju with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Yeosu to Jeju

Sunday is one of the best days to book for cheap flights from Yeosu to Jeju: 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 Yeosu to Jeju

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 Yeosu to Jeju 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 Yeosu to Jeju 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 Yeosu to Jeju 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 Yeosu Airport (RSU) to Jeju Intl. Airport (CJU) cost?
Score cheap return tickets from Yeosu Airport (RSU) to Jeju Intl. Airport (CJU) starting at $179. Grab a seat and take off on your trip. 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 Asiana Airlines flight leaving RSU on August 4 2025 and touching down at CJU. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from RSU to CJU?
The cheapest flights from RSU to CJU 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 Yeosu Airport (RSU) to Jeju Intl. Airport (CJU)?
Take the express route to Jeju Intl. Airport (CJU). 3 airlines operate nonstop flights from Yeosu Airport (RSU), including:

  • Asiana Airlines
  • Korean Air
  • Jin Air

What is the cheapest airline that flies from RSU to CJU?
Travel from RSU to CJU with Korean Air. This airline currently has 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 RSU on September 12 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Yeosu Airport (RSU) to Jeju Intl. Airport (CJU)?
When taking off from Yeosu Airport (RSU), you can choose from an average of 4 daily nonstop flights to Jeju Intl. Airport (CJU).
What are the most popular departure times for flights from Yeosu Airport (RSU) to Jeju Intl. Airport (CJU)?
Flights between RSU and CJU are their busiest at 8 AM. If you'd like a more relaxed atmosphere and possibly cheaper prices, choose a departure that's outside typical rush times.
What day of the week has the most flights from RSU to CJU?
Saturday offers the most flights from Yeosu Airport (RSU) to Jeju Intl. Airport (CJU). Consider traveling on this day and you'll have the best chance of finding a departure that fits your schedule.
What is the earliest flight from Yeosu Airport (RSU) to Jeju Intl. Airport (CJU)?
The earliest flight leaving from Yeosu Airport (RSU) is at around 8:35AM UTC+9. Catch this flight and you'll arrive at Jeju Intl. Airport (CJU) at approximately 9:30AM UTC+9. The total flight duration is 55m.
How long does it take to fly from Yeosu Airport (RSU) to Jeju Intl. Airport (CJU)?
It takes around 53 minutes to fly the 110 mi from RSU to CJU.
What airline has the least delays from RSU to CJU?
Consider traveling with Jin Air if you'd like to fly straight from Yeosu Airport (RSU) to Jeju Intl. Airport (CJU) without any interruptions. This carrier has the best track record for punctuality, with an on-time performance of 89%. Want to be updated if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Yeosu Airport (RSU) to Jeju Intl. Airport (CJU)?
To land at Jeju Intl. Airport (CJU) without delays, opt for a flight that leaves Yeosu Airport (RSU) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Jeju City from Yeosu Airport (RSU)?
If you're taking a direct flight from Yeosu Airport (RSU) to Jeju City, Jeju Intl. Airport (CJU) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Yeosu Airport (RSU) to Jeju Intl. Airport (CJU) last-minute?
Last-minute fares from RSU to CJU are generally more expensive. To secure the lowest prices, start searching for flights well ahead of time. That said, if your travel plans are flexible, you may land a cheap fare right before your trip.
Is it cheaper to book a RSU to CJU flight and hotel package?
Compared with arranging hotels and flights separately, booking a RSU to CJU flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the stress out of planning your trip. Simply secure your flights and choose from our extensive range of hotels, then personalize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Yeosu Airport (RSU) to Jeju Intl. Airport (CJU)?
Typically, you can modify or cancel your RSU to CJU flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more information, head to our Customer Service portal.

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