$108 Cheap Flights to Kasang

View $108 flight on Mon, Aug 11, 2025Opens in a new window

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How much is the cheapest flight to Kasang?

Prices were available within the past 7 days and start at $108 for one-way flights and $216 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
Wed, Aug 20 - Wed, Aug 27
GMP
Seoul
RSU
Yeosu
$216 Roundtrip, found 1 day ago
$216
Roundtrip
found 1 day ago
Select Asiana Airlines flight, departing Wed, Aug 20 from Seoul to Yeosu, returning Wed, Aug 27, priced at $216 found 1 day ago
Asiana Airlines
Fri, Aug 15 - Sun, Aug 17
GMP
Seoul
RSU
Yeosu
$217 Roundtrip, found 12 hours ago
$217
Roundtrip
found 12 hours ago
Select Asiana Airlines flight, departing Fri, Aug 15 from Seoul to Yeosu, returning Sun, Aug 17, priced at $217 found 12 hours ago
Japan Airlines
Sat, Aug 23 - Mon, Sep 1
KIX
Osaka
RSU
Yeosu
$1,663 Roundtrip, found 3 days ago
$1,663
Roundtrip
found 3 days ago
Select Japan Airlines flight, departing Sat, Aug 23 from Osaka to Yeosu, returning Mon, Sep 1, priced at $1,663 found 3 days ago
Japan Airlines
Sat, Sep 20 - Sat, Sep 27
KIX
Osaka
RSU
Yeosu
$1,692 Roundtrip, found 1 day ago
$1,692
Roundtrip
found 1 day ago
Select Japan Airlines flight, departing Sat, Sep 20 from Osaka to Yeosu, returning Sat, Sep 27, priced at $1,692 found 1 day ago
Japan Airlines
Sat, Sep 20 - Sat, Sep 27
KIX
Osaka
RSU
Yeosu
$1,856 Roundtrip, found 1 day ago
$1,856
Roundtrip
found 1 day ago
Select Japan Airlines flight, departing Sat, Sep 20 from Osaka to Yeosu, returning Sat, Sep 27, priced at $1,856 found 1 day ago

Tips to find the cheapest flights to Kasang

The cheapest day to fly

Get started finding a cheap flight to Kasang on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

August is the cheapest month to fly to Kasang. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Kasang. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Kasang, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Kasang

The lowest price for round-trip flights to Kasang in 2025 starts from from $216, while one-way tickets start from from $108. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Kasang. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Kasang

Asiana Airlines, Japan Airlines are just some of the airlines that can typically offer cheap tickets to Kasang. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Kasang and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Kasang, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Kasang. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Kasang plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Kasang

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Kasang.

Stopover savings

The cheapest tickets to Kasang are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Kasang. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Kasang for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Kasang. Simply download the free Expedia app to your smart device and activate Kasang flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Kasang. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

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

Where can I learn more about changing or canceling my flight to Kasang?
Most flights are free to cancel within 24 hours of making the reservation. However, some flights are non-refundable, and you may receive a flight credit from the airline to use for a future booking. For more information, please visit our Customer Service Portal.
How do I find cheap flights to Kasang that have flexible change policies?
Search for affordable fares to Kasang, then click on "No change fee" directly underneath the "Flexible change policies" heading. From then on it's smooth sailing. We understand that plans change and flexibility is important, so book with confidence with Expedia.
What is the name of Kasang's airport?
Kasang has just one airport, Gwangju Intl. Airport (KWJ).
What airport is best to fly into Kasang?
There are two main airports that connect travelers with Kasang. Gwangju Intl. Airport (KWJ) is about 45 mi from downtown, while Yeosu Airport (RSU) is approximately 30 mi away. After you take a look at prices and book a place to stay, you'll better know which one to head to.
How many airlines fly to Kasang?
There are 6 air carriers connecting Kasang with 3 airports from all over the globe.
How many nonstop flights are there to Kasang?
With roughly 147 direct flights operating every week, you'll be hitting the runway in Kasang before you can say, "Are we there yet?"
Where are the most popular flights to Kasang departing from?
Seoul and Jeju City airports are very common departure points for travelers heading to Kasang.
How long is the flight to Kasang Airport?
Where you depart from determines how much of the in-flight entertainment you'll get to see. From Jeju City to Kasang, the average flight time is 53 minutes. From Seoul it's more or less 56 minutes, and from Gangneung it's 1 hour and 15 minutes.
How to book the cheapest flight to Kasang?
Don't leave booking your flight to Kasang until the last minute. That's one move well-versed jet-setters use to get the best deals. Booking ahead means more choices and less expensive flights. Also, look around online and compare your options. If your destination has a few airports, you may be able to score a great price by flying into one a little farther out. And finally, don't forget that the early bird catches the worm. Know what a typical airfare costs and be ready to book your ticket as soon as you spot an unbeatable bargain. The sweetest deals don't last long.
How to survive the flight to Kasang?
Depending on where you're coming from, your trip to Kasang could be a breeze or it could drag on forever. We've rounded up some useful travel tips that will help you start your next great escape on the right foot.What to pack in your hand luggage:

  • Traveling on a plane can be a comfortable experience if you've got all the right things. Firstly, you'll want a few toiletry items, such as a toothbrush and lip balm, a clean pair of socks and something to read. Secondly, make room in your bag for your laptop, a charger, your medications and perhaps a neck pillow too. Lastly, and most importantly, be sure to take your passport, travel docs and your bank cards.

Do not pack the following items in your hand luggage:

  • Double-check that you don't have a sharp object lurking in one of the zippers of your hand luggage. Other prohibited items include flammable or explosive substances, such as fuel and matches, and liquids and gels in containers with a capacity of more than 3.4 ounces (100 milliliters).

What to wear on a flight:

  • The long, narrow aisles of a plane are not the place for a fashion parade. Layer yourself up with comfortable clothes and remember to take a cardigan as it can get chilly inside the cabin during long-haul flights. Closed-toed, flat shoes are also a wise idea.
  • Caused by lengthy periods of inactivity, DVT (deep vein thrombosis) is a blood clot condition that can affect some passengers during long flights. But the great news is there are ways to reduce the risk of developing it. Keep your fluids up, walk around the cabin as much as you can and wear compression socks to help improve your circulation.

How to get through airport security fast when flying to Kasang?
It's all about being organized. We've rounded up some top tips for a stress-free trip through security. Watch out Kasang, here you come:

  • Your ID and travel documents will need to be inspected by airport security personnel. Keep them someplace accessible to avoid fumbling around for them.
  • Next up, both you and your carry-on luggage will be X-rayed. To speed things up, remove anything that is likely to trigger the alarm. Items like your coat, belt and earphones need to go through the machine.
  • All electronic gadgets, including your tablet and phone, must also be separately scanned.
  • Don't forget to remove gels and liquids from your hand luggage. They usually need to be sent through the X-ray scanner separately. Each item should be no larger than 3.4 ounces (100 milliliters) and everything must fit inside a quart-size (one liter), clear zip-lock bag.
  • There's a chance you'll be asked to remove your shoes for scanning, so wearing lightweight sneakers is always a clever idea.
  • Sharp items such as knives and scissors are not allowed on board. They'll be seized at security, so put them in your checked suitcase.

Flights to Kasang information
Destination airport
Yeosu
Destination airport IATA code
RSU
Destination city name
Yeosu
Roundtrip price
$216

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*Available to One Key members.