Title: Cheap Flights to Osin - Expedia.co.uk ![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) # £73 Cheap Flights to Osin [View £73 flight on Tue, 17 Feb 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:GMP,to:USN,departure:17/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:72.10&airProductToken=AQolCiMIy4oBEgQxODQ3GIZ7INRsKISyhQMwwLKFAzhZQABYAXIBWRIKCAEQARgBKgJLRRgBIgQIARABKAIoBCgGMAE) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers 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 [Hotels in Osin](https://expedia.co.uk/Osin-Hotels.d3000731356.Travel-Guide-Hotels)[Osin Car Hire](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-Osin.d3000731356.Car-Hire-Guide)[Osin Holidays](https://expedia.co.uk/Osin.d3000731356.Holidays-City-Breaks) ## Popular airlines - ![Korean Air](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KE.svg) Korean Air [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Osin, Busan, South Korea,departure:26/01/2026TANYT&leg2=from:Osin, Busan, South Korea,to:CMH,departure:02/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KE"}}]) - ![Jeju Air with Bag](https://a.travel-assets.com/air/airlines/u1_sq.svg) Jeju Air with Bag [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Osin, Busan, South Korea,departure:26/01/2026TANYT&leg2=from:Osin, Busan, South Korea,to:CMH,departure:02/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"U1"}}]) - ![JIN AIR](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LJ.svg) JIN AIR [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Osin, Busan, South Korea,departure:26/01/2026TANYT&leg2=from:Osin, Busan, South Korea,to:CMH,departure:02/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LJ"}}]) - ![China Eastern Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_MU.svg) China Eastern Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Osin, Busan, South Korea,departure:26/01/2026TANYT&leg2=from:Osin, Busan, South Korea,to:CMH,departure:02/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"MU"}}]) - ![China Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_CI.svg) China Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Osin, Busan, South Korea,departure:26/01/2026TANYT&leg2=from:Osin, Busan, South Korea,to:CMH,departure:02/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"CI"}}]) - ![Asiana Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_OZ.svg) Asiana Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Osin, Busan, South Korea,departure:26/01/2026TANYT&leg2=from:Osin, Busan, South Korea,to:CMH,departure:02/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"OZ"}}]) - ![Vietjet Air](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_VJ.svg) Vietjet Air [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Osin, Busan, South Korea,departure:26/01/2026TANYT&leg2=from:Osin, Busan, South Korea,to:CMH,departure:02/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"VJ"}}]) - ![notification illustration](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\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap round-trip flights to Osin Prices were available within the past 7 days and start at £73 for one-way flights and £145 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Korean Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/ke.gif) Thu, 9 Jul - Sun, 12 Jul GMP Seoul USN Ulsan £145 Return found 19 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:GMP,to:USN,departure:09/07/2026TANYT&leg2=from:USN,to:GMP,departure:12/07/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:144.20&airProductToken=AQolCiMIy4oBEgQxODQzGIZ7INRsKJzqkQMw2OqRAzhZQABYAXIBWQolCiMIy4oBEgQxODQ4GNRsIIZ7KIOSkgMwv5KSAzhZQABYAXIBWRIKCAEQARgBKgJLRRgBIgQIARABKAIoBCgGMAE) ![Hahn Air Systems](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/h1.gif) Sat, 28 Feb - Fri, 6 Mar TPE Taipei PUS Busan £192 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:TPE,to:PUS,departure:28/02/2026TANYT&leg2=from:PUS,to:TPE,departure:06/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:191.10&airProductToken=AQo1CjMIyGISBDk5NzUY8yMgj5UBKOqmhgMw9qeGAzhMQABYAXIFTE9XN0N6Cgi3hgESBDk5NzUKNQozCMhiEgQ5OTc0GI-VASDzIyjs8oYDMJb0hgM4TkAAWAFyBU5PVzdDegoIt4YBEgQ5OTc0EgoIARABGAEqAkhSGAEiBAgBEAEoAigDKAQwAQ) ![HK Express](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UO.gif) Sat, 16 May - Wed, 27 May HKG Hong Kong SAR PUS Busan £227 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:HKG,to:PUS,departure:16/05/2026TANYT&leg2=from:PUS,to:HKG,departure:27/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:226.90&airProductToken=AQoiCiAI1Z4BEgM2NzQYxzIgj5UBKIaMjQMw042NAzhVQABYAQoiCiAI1Z4BEgM2MDUYj5UBIMcyKNWGjgMwrIiOAzhVQABYARIKCAEQARgBKgJXMhgBIgQIARABKAQwAQ) ![China Eastern Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/MU.gif) Mon, 19 Jan - Fri, 23 Jan TPE Taipei PUS Busan £232 Return found 21 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:TPE,to:PUS,departure:19/01/2026TANYT&leg2=from:PUS,to:TPE,departure:23/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:231.70&airProductToken=AQptCi4IzaoBEgQ1MDA2GPMjIK81KKDsggMwie2CAzhUQABYAWoCRVNyCFRTRTAzT1MzCjsIzaoBEgQ4NjA1GK81II-VASij9YIDMJb2ggM4QkABWAFqAkVTcghUU0UwM09TM3oKCMaaARIEODYwNQptCjsIzaoBEgQ4NjA2GI-VASCvNSiymIMDML6ZgwM4QkAAWAFqAkVTcghUU0UwM09TM3oKCMaaARIEODYwNgouCM2qARIENTAwNxivNSDzIyi1oYMDMKiigwM4VEABWAFqAkVTcghUU0UwM09TMxIKCAEQARgBKgJNVRgBIgQIARABKAIoAygEMAE) ![China Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/CI.gif) Thu, 11 Jun - Tue, 16 Jun TPE Taipei PUS Busan £241 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:TPE,to:PUS,departure:11/06/2026TANYT&leg2=from:PUS,to:TPE,departure:16/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:240.10&airProductToken=AQovCi0Iw5IBEgMxODYY8yMgj5UBKNGzjwMw2LSPAzhOQABYAWoGWUJBU0lDcgNOTEwKLwotCMOSARIDMTg5GI-VASDzIyjj6Y8DMPTqjwM4TkAAWAFqBllCQVNJQ3IDTkxMEgoIARABGAEqAkNJGAEiBAgBEAEoAigEKAYwAQ) ## Expedia flights to Osin Searching for cheap flights to Osin? No travel company presents more choices than Expedia if you're looking to compare flights to Osin. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Busan. Expedia provides the cheapest flights to many destinations in Busan and you may find even greater savings if you combine your flight with a hotel stay in Osin. Expedia is the largest online travel agency which means that Expedia have access to cheap flights. So make sure you check Expedia regularly for these bargain flights because the cheapest airline tickets sell out fast. Expedia is not only free for everyone to use but it quick and easy to use. Find the lowest flight prices guaranteed and book directly through Expedia. Browse through hundreds of cheap flight offers to find the one that suits your budget by simply inputting your travel dates. Expedia will then find the cheapest flights to Osin for that period and let you choose your preferred time and airline. If you need additional assistance, Expedia Customer Service representatives are available from 8am - 10pm Monday to Friday, and 9am - 10pm at weekends. Our capable staff will be able to help you with any questions regarding your Osin flight, or other booking questions that may arise. When you book flights with Expedia you can rest assured that you have booked the best flight at the lowest price. __Flights to Osin information__ | Destination airport | Ulsan | | ----------------------------- | ----- | | Destination airport IATA code | USN | | Destination city name | Ulsan | | Return price | £144 | ## Trending flights to Osin Prices were available within the past 7 days and start at £73 for one-way flights and £145 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![China Southern Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/CZ.gif) Tue, 17 Mar - Mon, 13 Apr LGW London PUS Busan £433 Return found 13 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:PUS,departure:17/03/2026TANYT&leg2=from:PUS,to:LGW,departure:13/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:432.28&airProductToken=AQqFAQoqCMO0ARIDNjU0GMuxASDCcSiE8ocDMIT3hwM4VEAAWAFyCFQyQVpBU1hLCioIw7QBEgQ2MDA5GMJxIMhoKNb4hwMw3fmHAzhBQAFYAXIIVDJBWkFTWEsKKwjLigESBDE0MDEYyGggj5UBKIj-hwMwzv6HAzhUQAFYAXIIVDJBWkFTWEsSCggBEAEYASoCQ1oYASIECAEQASgCKAMoBDAB) \*Available to Expedia members.