$102 Cheap Flights from Yeosu (RSU) to Seoul (GMP)

View $102 flight on Mon, Dec 22, 2025Opens in a new window

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

Cheap Flights from Yeosu to Seoul (RSU-GMP)

Prices were available within the past 7 days and start at $102 for one-way flights and $204 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
Wed, Apr 1 - Sun, Apr 5
RSU
Yeosu
GMP
Seoul
$204 Roundtrip, found 5 days ago
$204
Roundtrip
found 5 days ago
Select Asiana Airlines flight, departing Wed, Apr 1 from Yeosu to Seoul, returning Sun, Apr 5, priced at $204 found 5 days ago
Asiana Airlines
Thu, Jan 15 - Thu, Jan 22
RSU
Yeosu
GMP
Seoul
$205 Roundtrip, found 1 day ago
$205
Roundtrip
found 1 day ago
Select Asiana Airlines flight, departing Thu, Jan 15 from Yeosu to Seoul, returning Thu, Jan 22, priced at $205 found 1 day ago
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Flights from Yeosu (RSU) to Seoul (GMP)
Origin airport
Yeosu
Destination airport
Gimpo Intl.
Airlines serving
Asiana Airlines
Roundtrip price
$203
Distance
193 mi

Yeosu to Seoul Flights

The cheapest times to fly from Yeosu to Seoul

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

 

The best time to book a flight from Yeosu to Seoul

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

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 Seoul in 2026. You can also book with separate airlines for your outbound and return journeys, from $102 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 Seoul 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 Seoul 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 Gimpo Intl. Airport (GMP) cost?
Get a cheap one-way flight from $102 or cheap return flight from $204 from Yeosu Airport (RSU) to Gimpo Intl. Airport (GMP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Yeosu Airport (RSU) to Gimpo Intl. Airport (GMP)?
April is the least expensive month to fly from RSU to GMP. Timing your trip outside of the busy season is often the key to finding better fares.
Which airlines fly direct from Yeosu Airport (RSU) to Gimpo Intl. Airport (GMP)?
Fly directly from Yeosu Airport (RSU) to Gimpo Intl. Airport (GMP) on an Asiana Airlines flight.
What is the cheapest airline that flies from Yeosu Airport (RSU) to Gimpo Intl. Airport (GMP)?
Cheap flight tickets between Yeosu Airport (RSU) and Gimpo Intl. Airport (GMP) can usually be found with low-cost carriers like Asiana Airlines and Jin Air. Bear in mind that prices can vary depending on travel dates, demand and how early you book. With Expedia's filter tool, you can easily filter your results to find a RSU to GMP flight that works with your budget.
How many flights per day from Yeosu Airport (RSU) to Gimpo Intl. Airport (GMP)?
With an average of 3 direct flights departing from Yeosu Airport (RSU) to Gimpo Intl. Airport (GMP) every day, you'll be jetting off in no time.
What are the most popular departure times for flights from Yeosu Airport (RSU) to Gimpo Intl. Airport (GMP)?
Flights between RSU and GMP are their busiest at 9 AM. For a more relaxed experience and potentially cheaper fares, look for a time outside the usual busy windows.
What day of the week has the most flights from RSU to GMP?
If you fly on a Friday, you'll get the largest range of choices for flights from Yeosu Airport (RSU) to Gimpo Intl. Airport (GMP).
What is the earliest flight from Yeosu Airport (RSU) to Gimpo Intl. Airport (GMP)?
Take the earliest flight at around 9:05AM UTC+9, leaving from Yeosu Airport (RSU). You'll be in the air for roughly 1h, landing at Gimpo Intl. Airport (GMP) at approximately 10:05AM UTC+9.
How long does it take to fly from Yeosu Airport (RSU) to Gimpo Intl. Airport (GMP)?
Flights from RSU to GMP have an average travel time of 1 hour. The distance between the two airports is 190 mi.
What airline has the least delays from RSU to GMP?
Consider booking with Asiana Airlines if you'd like to go straight from Yeosu Airport (RSU) to Gimpo Intl. Airport (GMP) without any delays. This airline has the best track record for punctuality, with an on-time score of 90%. Want real-time updates? You can check your flight status using the Expedia App.
What is the best time to fly from Yeosu Airport (RSU) to Gimpo Intl. Airport (GMP)?
To avoid potential delays on the Yeosu Airport (RSU) to Gimpo Intl. Airport (GMP) route, travel before 3 PM. Departures after this time 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 Seoul from Yeosu Airport (RSU)?
If you've booked a direct flight from Yeosu Airport (RSU) to Seoul, Gimpo Intl. Airport (GMP) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Yeosu Airport (RSU) to Gimpo Intl. Airport (GMP) last-minute?
Booking your flight from RSU to GMP right before your trip is generally more expensive. However, if there's some wiggle room with your travel dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a RSU to GMP flight and hotel package?
You'll generally save money by booking a RSU to GMP flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After choosing your ideal flights and accommodations, consider adding extras including tours, activities and car rentals.
Can I cancel or change the date of my flight from Yeosu Airport (RSU) to Gimpo Intl. Airport (GMP)?
If you reserved your RSU to GMP flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type 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, visit our Customer Service portal for further details.

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*Available to One Key members.