Title: $103 Cheap Flights to Sumundong - Expedia.com ![Default HTG hotel image](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $103 Cheap Flights to Sumundong [View $103 flight on Thu, Feb 19, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:GMP,to:RSU,departure:2/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:102.70&airProductToken=AQonCiUIz7QBEgQ4NzM1GIZ7INGkASjbx4UDMJfIhQM4U0AAWAFyAlkxEgoIARABGAEqAk9aGAEiBAgBEAEoAigEKAYwAQ) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travelers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Add a place to stay Direct flights only [Sumundong Travel Guide](https://expedia.com/Sumundong.dx3000734089)[Hotels in Sumundong](https://expedia.com/Sumundong-Hotels.d3000734089.Travel-Guide-Hotels)[Car Rentals in Sumundong](https://expedia.com/Car-Rentals-In-Sumundong.d3000734089.Car-Rental-Guide)[Sumundong Vacation Packages](https://expedia.com/Sumundong.d3000734089.Destination-Travel-Guides) ## Popular airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_OZ.svg) Asiana Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Sumundong, Goheung, South Jeolla, South Korea,departure:2/24/2026TANYT&leg2=from:Sumundong, Goheung, South Jeolla, South Korea,to:CMH,departure:3/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"OZ"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KE.svg) Korean Air [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Sumundong, Goheung, South Jeolla, South Korea,departure:2/24/2026TANYT&leg2=from:Sumundong, Goheung, South Jeolla, South Korea,to:CMH,departure:3/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KE"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## How much is the cheapest flight to Sumundong? Prices were available within the past 7 days and start at $103 for one-way flights and $205 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif) Mon, Mar 9 - Fri, Mar 13 GMP Seoul RSU Yeosu $205 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:GMP,to:RSU,departure:3/9/2026TANYT&leg2=from:RSU,to:GMP,departure:3/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:204.40&airProductToken=AQonCiUIz7QBEgQ4NzM1GIZ7INGkASibkocDMNeShwM4U0AAWAFyAlkxCicKJQjPtAESBDg3MzIY0aQBIIZ7KM-7hwMwi7yHAzhTQABYAXICWTESCggBEAEYASoCT1oYASIECAEQASgCKAQoBjAB) ![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif) Mon, Mar 23 - Mon, Mar 30 GMP Seoul RSU Yeosu $207 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:GMP,to:RSU,departure:3/23/2026TANYT&leg2=from:RSU,to:GMP,departure:3/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:206.40&airProductToken=AQonCiUIz7QBEgQ4NzM1GIZ7INGkASjbr4gDMJewiAM4U0AAWAFyAlkxCicKJQjPtAESBDg3MzYY0aQBIIZ7KJD_iAMwzP-IAzhTQABYAXICWTESCggBEAEYASoCT1oYASIECAEQASgCKAQoBjAB) ![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif) Sat, Feb 21 - Wed, Feb 25 GMP Seoul RSU Yeosu $207 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:GMP,to:RSU,departure:2/21/2026TANYT&leg2=from:RSU,to:GMP,departure:2/25/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:206.60&airProductToken=AQonCiUIz7QBEgQ4NzMxGIZ7INGkASjw2YUDMKzahQM4U0AAWAFyAlkxCicKJQjPtAESBDg3MzIY0aQBIIZ7KM-HhgMwi4iGAzhTQABYAXICWTESCggBEAEYASoCT1oYASIECAEQASgCKAQoBjAB) ![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif) Tue, Feb 24 - Sat, Feb 28 GMP Seoul RSU Yeosu $208 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:GMP,to:RSU,departure:2/24/2026TANYT&leg2=from:RSU,to:GMP,departure:2/28/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:207.60&airProductToken=AQonCiUIz7QBEgQ4NzMxGIZ7INGkASjQ-4UDMIz8hQM4U0AAWAFyAlkxCicKJQjPtAESBDg3MzYY0aQBIIZ7KNqthgMwlq6GAzhTQABYAXICWTESDAgBEAEYASoCT1oyABgBIgQIARABKAIoBCgGMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Mon, May 18 - Sun, May 24 CLT Charlotte RSU Yeosu $1,922 Roundtrip found 16 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CLT,to:RSU,departure:5/18/2026TANYT&leg2=from:RSU,to:CLT,departure:5/24/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1921.13&airProductToken=AQpnCiEIwYIBEgQxNzI3GOKaASCpUSisrY0DMKiujQM4UUAAWAEKHwjPtAESAzIyMxipUSDIaCjqr40DMJG3jQM4VEABWAEKIQjPtAESBDg3MzUYhnsg0aQBKIy8jQMwyLyNAzhZQAFYAQpmCiEIz7QBEgQ4NzM2GNGkASCGeyjw6Y0DMKzqjQM4WUAAWAEKHwjPtAESAzIyMhjIaCCpUSi98I0DMKj3jQM4VEABWAEKIAjBggESAzQ5MxipUSDimgEooPiNAzCk-Y0DOFFAAVgBEgoIARABGAEqAk9aGAEiBAgBEAEoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Thu, May 21 - Thu, May 28 CLT Charlotte RSU Yeosu $2,022 Roundtrip found 16 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CLT,to:RSU,departure:5/21/2026TANYT&leg2=from:RSU,to:CLT,departure:5/28/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2021.13&airProductToken=AQpnCiEIxJgBEgQ1MDc3GOKaASCpUSjDzo0DMMrPjQM4WEAAWAEKHwjPtAESAzIyMxipUSDIaCjK0Y0DMPHYjQM4VEABWAEKIQjPtAESBDg3MzUYhnsg0aQBKOzdjQMwqN6NAzhZQAFYAQpmCiEIz7QBEgQ4NzM2GNGkASCGeyjwlo4DMKyXjgM4WUAAWAEKHwjPtAESAzIyMhjIaCCpUSi9nY4DMKikjgM4VEABWAEKIAjBggESAzQ5MxipUSDimgEooKWOAzCkpo4DOFFAAVgBEgoIARABGAEqAk9aGAEiBAgBEAEoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Apr 22 - Sat, Apr 25 EWR New York RSU Yeosu $2,747 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:EWR,to:RSU,departure:4/22/2026TANYT&leg2=from:RSU,to:EWR,departure:4/25/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2746.53&airProductToken=AQqfAQozCNWCARIDMTMxGMSNASCnGyiNhIsDMPOKiwM4VEAAWAFqB0VDT05PTVlyCFRMWDAwU09UCjIIzpABEgM4NjcYpxsghnso-Y2LAzCAj4sDOExAAVgBagdFQ09OT01ZcghUTFgwMFNPVAo0CM-0ARIEODczMxiGeyDRpAEokpOLAzDOk4sDOFNAAVgBagdFQ09OT01ZcghUTFgwMFNPVAqfAQo0CM-0ARIEODczNhjRpAEghnso0KOLAzCMpIsDOFNAAFgBagdFQ09OT01ZcghRTFcwMFNPUQoyCM6QARIDODYyGIZ7IKcbKPCpiwMw8qqLAzhRQAFYAWoHRUNPTk9NWXIIUUxXMDBTT1EKMwjVggESAzEzMBinGyDEjQEoza6LAzDetIsDOFFAAVgBagdFQ09OT01ZcghRTFcwMFNPURIMCAEQARgBKgJVQTIAGAEiBAgBEAEoAigDKAQwAQ) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Tue, Feb 24 - Sat, Feb 28 YYZ Toronto RSU Yeosu $3,386 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:YYZ,to:RSU,departure:2/24/2026TANYT&leg2=from:RSU,to:YYZ,departure:2/28/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:3385.20&airProductToken=AQqOAQoxCMGGARIBMRiYzgEgpxsouoSGAzCMi4YDOExAAFgBagdDT01GT1JUcghMTFhSODJDTwoyCM6QARIDODY3GKcbIIZ7KNSMhgMw6o2GAzhZQAFYAWoJRUNPRlVMRkxYcgZZMlJUQTEKJQjPtAESBDg3MzEYhnsg0aQBKJCShgMwzJKGAzhTQAFYAXICWTEKjwEKJQjPtAESBDg3MzYY0aQBIIZ7KNqthgMwlq6GAzhTQABYAXICWTEKMwjPtAESBDEwODUYhnsgpxsorLSGAzCptYYDOFFAAVgBagdDT01GT1JUcghITFdOMDJDTwoxCMGGARIBMhinGyCYzgEojrmGAzDovoYDOEhAAVgBagdDT01GT1JUcghITFdOMDJDTxIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMAE) ## Tips to find the cheapest flights to Sumundong **The cheapest day to fly** Get started finding a cheap flight to Sumundong 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** March is the cheapest month to fly to Sumundong. 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 Sumundong. 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 Sumundong, 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 Sumundong** The lowest price for round-trip flights to Sumundong in 2026 starts from from $205, while one-way tickets start from from $103\. 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 Sumundong. If you have a preferred departure time or airline, you can use the handy filters to customize your search. **The cheapest airlines flying to Sumundong** Asiana Airlines, American Airlines, Delta, United, Air Canada are just some of the airlines that can typically offer cheap tickets to Sumundong. 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 Sumundong and countless more destinations worldwide. **The most affordable airports to fly into** To view the cheapest airports to fly into for Sumundong, 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 Sumundong. 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](https://www.expedia.com/package-deals), you could save hundreds of dollars by booking your Sumundong 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 Sumundong** 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 Sumundong. **Stopover savings** The cheapest tickets to Sumundong are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Sumundong. 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 Sumundong 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 Sumundong. Simply download the free Expedia app to your smart device and activate Sumundong 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 Sumundong. 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 Sumundong? ### How do I find cheap flights to Sumundong that have flexible change policies? ### What is the name of Sumundong's airport? ### How far is RSU from central Sumundong? ### What airport is best to fly into Sumundong? ### How many airlines fly to Sumundong? ### How many nonstop flights are there to Sumundong? ### Where are the most popular flights to Sumundong departing from? ### How long is the flight to Sumundong Airport? ### How to book the cheapest flight to Sumundong? ### How to survive the flight to Sumundong? > - First things first, pack in your passport, travel documents, bank cards and medications. Next, you'll need some extra in-flight entertainment to while away the time. A juicy novel and a laptop filled with your favorite shows are good options. If you hope to take a short nap, a comfy neck pillow and some earplugs will also be useful. Finally, leave space for a few toiletry items so you'll touchdown looking fresh and raring to go. > > > Do not pack the following items in your hand luggage: > > > - Double-check that you don't have sharp objects (like a knife or scissors) hiding in one of the compartments of your hand luggage. Other restricted items include flammable or explosive goods, such as fuel and matches, and gels and liquids in containers larger than 3.4 ounces (100 milliliters). > > > What to wear on a flight: > > > - Your goal here is to make yourself as comfortable as you can. Layer up with loose, natural fibers and bring a pullover just in case you get cold. Go for a pair of flat, well-fitting shoes as your feet may swell a little during the journey. Leave the stilettos and hiking boots in your checked luggage. > - Unfortunately, one risk of flying long-haul is developing deep vein thrombosis (DVT), a blood clotting condition caused by prolonged inactivity. To prevent this from happening, take every opportunity to stretch your legs and walk around the cabin. Compression socks and tights are also a great idea to help lower your risk. ### How to get through airport security fast when flying to Sumundong? > - Your boarding pass and travel ID will need to be inspected by security personnel. Keep them at hand so you don't have to dig around for them. > - Time to strip down. Well sort of. Your belt, coat, keys and other items in your pocket, like your headphones, will need to go through the X-ray machine. Make the whole process easier by removing them before your turn arrives. > - All electronic gadgets, including your tablet and phone, must also be scanned separately. > - Traveling with your favorite perfume or cologne? As long as the volume is no greater than 3.4 ounces (100 milliliters) and it's stored in a clear zip-lock bag, it's fine to bring with you in your carry-on bag. > - Slip-on shoes are a good footwear choice as you're less likely to be required to remove them when passing through security. Big boots and other heavy shoes are often subjected to additional screening. > - Sharp items such as knives and scissors are not allowed in the cabin. They'll be seized at security, so put them in your checked suitcase. \*Flight schedules are subject to change. __Flights to Sumundong information__ | Destination airport | Yeosu | | ----------------------------- | ----- | | Destination airport IATA code | RSU | | Destination city name | Yeosu | | Roundtrip price | $204 | ## Trending flights to Sumundong Prices were available within the past 7 days and start at $103 for one-way flights and $205 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Qatar Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/QR.gif) Wed, May 13 - Thu, May 28 MIA Miami XYT Yeosu $1,195 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:MIA,to:XYT,departure:5/13/2026TANYT&leg2=from:XYT,to:MIA,departure:5/28/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1194.13&airProductToken=AQqhAQozCNGkARIDNzc4GIwCIMM7KOz0jAMwr_uMAzhPQABYAWoIRUNMQVNTSUNyCE9MVVNQMFJFCjMI0aQBEgM4NjIYwzsgyGgo7fyMAzD6gI0DOE9AAVgBaghFQ0xBU1NJQ3IIT0xVU1AwUkUKNQi5hAESBDExMDEYyGggl54BKJyDjQMwroWNAzhZQAFYAWoIRUNMQVNTSUNyCE9MVVNQMFJFCqEBCjUIuYQBEgQxMTA2GJeeASDIaCjhlo4DMImZjgM4WUAAWAFqCEVDTEFTU0lDcghPTFVTUDBSRQozCNGkARIDODYzGMhoIMM7KN6hjgMwtqaOAzhPQAFYAWoIRUNMQVNTSUNyCE9MVVNQMFJFCjMI0aQBEgM3ODEYwzsgjAIo06iOAzDmr44DOE9AAVgBaghFQ0xBU1NJQ3IIT0xVU1AwUkUSCggBEAEYASoCUVIYASIECAEQASgCKAQoBjAB) ![Qatar Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/QR.gif) Wed, May 13 - Thu, May 28 MIA Miami XYT Yeosu $1,197 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:MIA,to:XYT,departure:5/13/2026TANYT&leg2=from:XYT,to:MIA,departure:5/28/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1196.73&airProductToken=AQqhAQozCNGkARIDNzc4GIwCIMM7KOz0jAMwr_uMAzhPQABYAWoIRUNMQVNTSUNyCE9MVVNQMFJFCjMI0aQBEgM4NjIYwzsgyGgo7fyMAzD6gI0DOE9AAVgBaghFQ0xBU1NJQ3IIT0xVU1AwUkUKNQi5hAESBDExMDAYyGggl54BKIKKjQMwj4yNAzhZQAFYAWoIRUNMQVNTSUNyCE9MVVNQMFJFCqEBCjUIuYQBEgQxMjE2GJeeASDIaCjulI4DMIyXjgM4WUAAWAFqCEVDTEFTU0lDcghPTFVTUDBSRQozCNGkARIDODU5GMhoIMM7KNOZjgMwq56OAzhPQAFYAWoIRUNMQVNTSUNyCE9MVVNQMFJFCjMI0aQBEgM3ODEYwzsgjAIo06iOAzDmr44DOE9AAVgBaghFQ0xBU1NJQ3IIT0xVU1AwUkUSCggBEAEYASoCUVIYASIECAEQASgCKAQoBjAB) \*Available to One Key members.