$108 Cheap Flights from Seoul (GMP) to Yeosu (RSU)

View $108 flight on Sun, Sep 21, 2025Opens in a new window

Popular airlines from Gimpo Intl. Airport (GMP) to Yeosu (RSU)

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Cheap Flights from Seoul to Yeosu (GMP-RSU)

Prices were available within the past 7 days and start at $108 for one-way flights and $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
Mon, Aug 25 - Tue, Aug 26
GMP
Seoul
RSU
Yeosu
$217 Roundtrip, found 7 hours ago
$217
Roundtrip
found 7 hours ago
Select Asiana Airlines flight, departing Mon, Aug 25 from Seoul to Yeosu, returning Tue, Aug 26, priced at $217 found 7 hours ago
Asiana Airlines
Sun, Sep 14 - Tue, Sep 16
GMP
Seoul
RSU
Yeosu
$218 Roundtrip, found 4 days ago
$218
Roundtrip
found 4 days ago
Select Asiana Airlines flight, departing Sun, Sep 14 from Seoul to Yeosu, returning Tue, Sep 16, priced at $218 found 4 days ago
Asiana Airlines
Sat, Aug 23 - Sun, Aug 24
GMP
Seoul
RSU
Yeosu
$219 Roundtrip, found 1 day ago
$219
Roundtrip
found 1 day ago
Select Asiana Airlines flight, departing Sat, Aug 23 from Seoul to Yeosu, returning Sun, Aug 24, priced at $219 found 1 day ago
0
Flights from Seoul (GMP) to Yeosu (RSU)
Origin airport
Gimpo Intl.
Destination airport
Yeosu
Airlines serving
Asiana Airlines
Roundtrip price
$217
Distance
193 mi

Seoul to Yeosu Flights

The cheapest times to fly from Seoul 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 Seoul to Yeosu are during the month of August. You can find some of the cheapest flights from Seoul to Yeosu with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seoul to Yeosu

Sunday is one of the best days to book for cheap flights from Seoul 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 Seoul 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 Seoul to Yeosu in 2025. You can also book with separate airlines for your outbound and return journeys, from $108 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 Seoul 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 Seoul 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 Gimpo Intl. Airport (GMP) to Yeosu Airport (RSU) cost?
Grab cheap return flights starting from $216 from Gimpo Intl. Airport (GMP) to Yeosu Airport (RSU). 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 GMP on August 3 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 GMP to RSU?
The cheapest flights from GMP 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 Gimpo Intl. Airport (GMP) to Yeosu Airport (RSU)?
When flying out of Gimpo Intl. Airport (GMP), you can catch a direct flight to Yeosu Airport (RSU) with Asiana Airlines.
What is the cheapest airline that flies from GMP to RSU?
Jet off from GMP to RSU with Asiana Airlines. This carrier currently has the lowest one-way fare for this route, starting at $108. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from GMP on August 15 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Gimpo Intl. Airport (GMP) to Yeosu Airport (RSU)?
Each day on average, 3 nonstop flights take off from Gimpo Intl. Airport (GMP) to Yeosu Airport (RSU). Select the departure time that fits your schedule best.
What are the most popular departure times for flights from Gimpo Intl. Airport (GMP) to Yeosu Airport (RSU)?
The 7 AM departures from GMP to RSU are the most sought after. Greater demand means you'll likely pay more for these departures. If you want to save on your trip, choose a less crowded time to fly.
What day of the week has the most flights from GMP to RSU?
Jet off on a Friday if you're searching for the best choice of flights from Gimpo Intl. Airport (GMP) to Yeosu Airport (RSU).
What is the earliest flight from Gimpo Intl. Airport (GMP) to Yeosu Airport (RSU)?
Gimpo Intl. Airport (GMP)'s earliest flight to Yeosu Airport (RSU) is at approximately 7:00AM UTC+9. With a flight time of 1h, you'll touch down at around 8:00AM UTC+9.
How long does it take to fly from Gimpo Intl. Airport (GMP) to Yeosu Airport (RSU)?
It takes roughly 1 hour to cover the 190 mi from GMP to RSU.
What airline has the least delays from GMP to RSU?
With 93% of flights usually landing on time, Asiana Airlines has the best on-time performance for direct flights from Gimpo Intl. Airport (GMP) to Yeosu Airport (RSU). To keep track of your flight status and get notifications if anything changes, use the Expedia App.
What is the best time to fly from Gimpo Intl. Airport (GMP) to Yeosu Airport (RSU)?
Book a flight from Gimpo Intl. Airport (GMP) to Yeosu Airport (RSU) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time are on average 22% more likely to be canceled.**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 Gimpo Intl. Airport (GMP)?
Hop on a direct flight from Gimpo Intl. Airport (GMP) to Yeosu and come in for landing at one of these hubs:

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

Is it cheaper to buy a plane ticket from Gimpo Intl. Airport (GMP) to Yeosu Airport (RSU) last-minute?
Last-minute fares from GMP to RSU are generally more expensive. To secure the cheapest rates, start looking for flights early. That being said, if your travel plans are flexible, it's possible to find a cheap ticket right before you leave.
Is it cheaper to book a GMP to RSU flight and hotel package?
Booking a GMP to RSU flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our impressive range of accommodations and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Gimpo Intl. Airport (GMP) to Yeosu Airport (RSU)?
If you reserved your GMP to RSU flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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