--- title: "Osaka to Ulsan cheap flights from $226 (KIX to USN) - Expedia" description: "Cheap Flights from Osaka (KIX) to Ulsan (USN) start at $226 for one-way and for round trip. Earn your airline miles on top of our rewards!" canonical: "https://www.expedia.com/lp/flights/kix/usn/osaka-to-ulsan" language: en-US market: US currency: USD prices_as_of: 2026-11-12T20:26:57Z --- # $226 Cheap Flights from Osaka (KIX) to Ulsan (USN) ![A cityscape with a river, high-rise buildings, and a sunset sky.](https://images.trvl-media.com/place/3658/c1f9ee5a-e337-4dd4-80e1-8e16c238c00a.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View $226 flight on Wed, Dec 23, 2026](https://www.expedia.com/Flights-Search?leg1=from:KIX,to:USN,departure:12/23/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:225.70&airProductToken=AQpdCjQIy4oBEgQyMTE4GIq6ASCGeyiyw6ADMK%5FEoAM4VEAAWAFqB0VZU0FWRVJyCFRLRVQwVEFBCiUIy4oBEgQxODQ3GIZ7INRsKKTGoAMw4MagAzhNQAFYAXIDWUtFEgoIARABGAEqAktFGAEiBAgBEAEoAigEKAYwAQ) ## Popular airlines from Kansai Intl. Airport (KIX) to Ulsan (USN) [Korean Air](https://www.expedia.com/Flights-Search?leg1=from:KIX,to:USN,departure:11/26/2026TANYT&leg2=from:USN,to:KIX,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KE"}}]) ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 30% on select hotels after you book a flight\* ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Osaka to Ulsan (KIX-USN) Prices were available within the past 7 days and start at $226 for one-way flights, for the period specified. Prices and availability are subject to change. One way [Select Korean Air flight, departing Wed, Dec 23 from Osaka to Ulsan, priced at $226 Found 1 day ago](https://www.expedia.com/Flights-Search?leg1=from:KIX,to:USN,departure:12/23/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:225.70&airProductToken=AQpdCjQIy4oBEgQyMTE4GIq6ASCGeyiyw6ADMK%5FEoAM4VEAAWAFqB0VZU0FWRVJyCFRLRVQwVEFBCiUIy4oBEgQxODQ3GIZ7INRsKKTGoAMw4MagAzhNQAFYAXIDWUtFEgoIARABGAEqAktFGAEiBAgBEAEoAigEKAYwAQ) KIX · USN · One way [Select Korean Air flight, departing Wed, Dec 23 from Osaka to Ulsan, priced at $296 Found 1 day ago](https://www.expedia.com/Flights-Search?leg1=from:KIX,to:USN,departure:12/23/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:295.70&airProductToken=AQpdCjQIy4oBEgQyMTIwGIq6ASCGeyjvxqADMOfHoAM4VUAAWAFqB0VZU0FWRVJyCFVLWFYwUkFKCiUIy4oBEgQxODQ3GIZ7INRsKMTRoAMwgNKgAzhZQAFYAXIDWUtFEgoIARABGAEqAktFGAEiBAgBEAEoAigEKAYwAQ) KIX · USN · One way [Select Korean Air flight, departing Mon, Aug 2 from Osaka to Ulsan, priced at $305 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:KIX,to:USN,departure:8/2/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:304.57&airProductToken=AQpdCjQIy4oBEgQyMTE2GIq6ASCGeyiihLQDMJqFtAM4VUAAWAFqB0VZU0FWRVJyCFVMWFYwUkFKCiUIy4oBEgQxODQ5GIZ7INRsKPOHtAMwr4i0AzhZQAFYAXIDWUtFEgwIARABGAEqAktFMgAYASIECAEQASgCKAQoBjAB) KIX · USN · One way [Select Korean Air flight, departing Sun, Apr 11 from Osaka to Ulsan, priced at $396 Found 6 days ago](https://www.expedia.com/Flights-Search?leg1=from:KIX,to:USN,departure:4/11/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:395.11&airProductToken=AQpgCjcIy4oBEgQyMTE4GIq6ASCGeyjNjaoDMMCOqgM4RUAAWAFqCkVZU1RBTkRBUkRyCEVMVzAwUkpLCiUIy4oBEgQxODQ5GIZ7INRsKNOQqgMwj5GqAzhZQAFYAXIDWUtFEgoIARABGAEqAktFGAEiBAgBEAEoAigEKAYwAQ) KIX · USN · One way [Select Korean Air flight, departing Sun, Apr 11 from Osaka to Ulsan, priced at $454 Found 6 days ago](https://www.expedia.com/Flights-Search?leg1=from:KIX,to:USN,departure:4/11/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:453.82&airProductToken=AQpgCjcIy4oBEgQyMTIwGIq6ASCGeyj7kKoDMOmRqgM4U0AAWAFqCkVZU1RBTkRBUkRyCFNMVzAwUkpLCiUIy4oBEgQxODQzGIZ7INRsKLyWqgMw-JaqAzhZQAFYAXIDWUtFEgoIARABGAEqAktFGAEiBAgBEAEoAigEKAYwAQ) KIX · USN · One way [Select Korean Air flight, departing Sun, Nov 15 from Osaka to Ulsan, priced at $917 Found 6 days ago](https://www.expedia.com/Flights-Search?leg1=from:KIX,to:USN,departure:11/15/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:916.60&airProductToken=AQqcAQouCMuKARIEMjExOBiKugEghnso8pedAzDvmJ0DOFlAAFgBagZFWUZMRVhyA1lPVwouCM-0ARIEODk2NRiGeyCiogEoj6SdAzDapJ0DOFlAAVgBagZFWUZMRVhyA1lPVwo6CM-0ARIEODMwMBiiogEg1Gwo%5FqydAzC%5FrZ0DOFlAAVgBagZFWUZMRVhyA1lPV3oKCMKwARIEODE1OBIKCAEQARgBKgJPWhgBIgQIARABKAIoBCgGMAE) KIX · USN · One way [Select Korean Air flight, departing Tue, Nov 17 from Osaka to Ulsan, priced at $918 Found 5 days ago](https://www.expedia.com/Flights-Search?leg1=from:KIX,to:USN,departure:11/17/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:917.60&airProductToken=AQqcAQouCMuKARIEMjEyMBiKugEghnso77GdAzDnsp0DOFlAAFgBagZFWUZMRVhyA1lPVwouCM-0ARIEODk5MxiGeyCiogEo2LydAzCjvZ0DOFlAAVgBagZFWUZMRVhyA1lPVwo6CM-0ARIEODM2MBiiogEg1Gwo08adAzCUx50DOFlAAVgBagZFWUZMRVhyA1lPV3oKCMKwARIEODE2MBIKCAEQARgBKgJPWhgBIgQIARABKAIoBCgGMAE) KIX · USN · One way [Select Japan Airlines flight, departing Sun, Nov 15 from Osaka to Ulsan, priced at $1,316 Found 6 days ago](https://www.expedia.com/Flights-Search?leg1=from:KIX,to:USN,departure:11/15/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1315.60&airProductToken=AQq3AQo%5FCMqYARIENTI0NxiKugEghnso8pedAzDvmJ0DOFlAAFgBagZFQ09GTFhyCFlOTjBPQUJBegoIy4oBEgQyMTE4CjMIz7QBEgQ4OTQ3GIZ7IKKiASjlop0DMLCjnQM4U0ABWAFqBkVDT0ZMWHIIWU5OME9BQkEKPwjPtAESBDgzMDAYoqIBINRsKP6snQMwv62dAzhZQAFYAWoGRUNPRkxYcghZTk4wT0FCQXoKCMKwARIEODE1OBIKCAEQARgBKgJPWhgBIgQIARABKAIoBCgGMAE) KIX · USN · One way [Select Japan Airlines flight, departing Tue, Nov 17 from Osaka to Ulsan, priced at $1,318 Found 5 days ago](https://www.expedia.com/Flights-Search?leg1=from:KIX,to:USN,departure:11/17/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1317.60&airProductToken=AQq3AQo%5FCMqYARIENTE1MRiKugEghnso77GdAzDnsp0DOFlAAFgBagZFQ09GTFhyCFlOTjBPQUJBegoIy4oBEgQyMTIwCjMIz7QBEgQ4OTA1GIZ7IKKiASjbtp0DMKa3nQM4U0ABWAFqBkVDT0ZMWHIIWU5OME9BQkEKPwjPtAESBDgzMDAYoqIBINRsKJ64nQMw37idAzhZQAFYAWoGRUNPRkxYcghZTk4wT0FCQXoKCMKwARIEODE1OBIKCAEQARgBKgJPWhgBIgQIARABKAIoBCgGMAE) KIX · USN · One way ## Book with confidence ### Osaka to Ulsan Flights #### The cheapest times to fly from Osaka to Ulsan 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 Osaka to Ulsan are during the month of . You can find some of the cheapest flights from Osaka to Ulsan with Expedia's search tool and vast selection of airlines. #### The best time to book a flight from Osaka to Ulsan Sunday is one of the best days to book for cheap flights from Osaka to Ulsan: 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 Osaka to Ulsan 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 Osaka to Ulsan in 2026\. You can also book with separate airlines for your outbound and return journeys, from $226 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 Osaka to Ulsan 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](https://www.expedia.com/package-deals). Bundling together your Osaka to Ulsan 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 Osaka (KIX-Kansai Intl.) to Ulsan (USN) cost? You can find cheap one-way flights from $226 and cheap return flights KIX to USN with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when KIX to USN ticket fares go up or down. ### What is the cheapest month to fly from Osaka (KIX-Kansai Intl.) to Ulsan (USN)? The cheapest month to fly from KIX to USN is when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route. ### Which airlines fly direct from Osaka (KIX-Kansai Intl.) to Ulsan (USN)? Enter KIX to USN and your travel dates, then apply the 'Nonstop' filter to see only direct flights. ### What is the cheapest airline that flies from Osaka (KIX-Kansai Intl.) to Ulsan (USN)? Korean Air, Japan Airlines and All Nippon Airways are just some of the carriers that fly from Osaka (KIX) to Ulsan (USN). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget. *\*Prices based on flights available on Expedia in the last year.* ### How do I find cheap flights from Osaka (KIX-Kansai Intl.) to Ulsan (USN)? To find a cheap flight from Osaka (KIX-Kansai Intl.) to Ulsan (USN), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up [Price Tracking](https://www.expedia.com/why/price-tracking) and receive alerts when fares go up or down. ### What is the best time to fly from Osaka (KIX-Kansai Intl.) to Ulsan (USN)? The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience. ### What is the earliest flight from Osaka (KIX-Kansai Intl.) to Ulsan (USN)? Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from KIX to USN. To compare more early flights, use the "Early Morning" and "Morning" filters in your search. ### How long does it take to fly from Osaka (KIX-Kansai Intl.) to Ulsan (USN)? A flight from KIX to USN with a layover takes around 23 hours 50 minutes, with the route covering approximately 343 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic. ### Can you fly business or first class from Osaka (KIX-Kansai Intl.) to Ulsan (USN)? Select the "Business class" and "First class" filters when looking for KIX to USN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip. ### How do I earn miles on a Osaka (KIX-Kansai Intl.) to Ulsan (USN) flight with Expedia? It's easy to earn miles on a Osaka (KIX-Kansai Intl.) to Ulsan (USN) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of [One Key™](https://www.expedia.com/welcome-one-key), you can also earn OneKeyCash™\* on top of your airline miles when you book with Expedia. \*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands. ### Is it cheaper to buy a plane ticket from Osaka (KIX-Kansai Intl.) to Ulsan (USN) at the last minute? Typically, booking a last minute flight from Osaka (KIX-Kansai Intl.) to Ulsan (USN) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare. ### Is it cheaper to book a Osaka (KIX-Kansai Intl.) to Ulsan (USN) flight and hotel package? Securing a Osaka (KIX-Kansai Intl.) to Ulsan (USN) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars. ### Can I cancel or change the date of my flight from Osaka (KIX-Kansai Intl.) to Ulsan (USN)? If you booked your Osaka (KIX-Kansai Intl.) to Ulsan (USN) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in [your itinerary](https://www.expedia.com/trips) or confirmation email. Or, head to our [Customer Service portal](https://www.expedia.com/helpcenter/) if you'd like more information. ## Travel information | Origin airport | Kansai Intl. Airport | | ------------------- | -------------------- | | Destination airport | Ulsan | | Distance | 342 miles away | | Airlines serving | Korean Air | | Popular airline | Korean Air | | Roundtrip price | $226 | ## Explore a world of travel with Expedia - [Lodging](?equalTargetTab=tab-0) - [Flights](?equalTargetTab=tab-1) - [Packages](?equalTargetTab=tab-2) - [Cars](?equalTargetTab=tab-3) - [Vacation Rentals](?equalTargetTab=tab-4) - [Things to Do](?equalTargetTab=tab-5) - [Hotels with a Pool in Ulsan](https://www.expedia.com/Ulsan-Hotels-Hotel-With-Pool.0-0-d3658-tHotelwithPool.Travel-Guide-Filter-Hotels) - [Motels in Ulsan](https://www.expedia.com/Ulsan-Motels.d3658-aaMotels.Travel-Guide-Accommodation) - [Luxury Hotels in Ulsan](https://www.expedia.com/Ulsan-Hotels-Luxury-Hotel.0-0-d3658-tLuxuryHotel.Travel-Guide-Filter-Hotels) - [Ulsan Hotels](https://www.expedia.com/Ulsan-Hotels.d3658.Travel-Guide-Hotels) - [Aparthotels in Ulsan](https://www.expedia.com/Ulsan-Apart-Hotels.d3658-aaApartHotels.Travel-Guide-Accommodation) - 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