Title: Cheap Flights from Seoul to Ulsan (ICN to USN) - Expedia.co.uk ![A colourful sunset over the city of Ulsan](https://images.trvl-media.com/place/3658/c1f9ee5a-e337-4dd4-80e1-8e16c238c00a.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/3658/c1f9ee5a-e337-4dd4-80e1-8e16c238c00a.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Seoul (ICN) to Ulsan (USN) - [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 Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Incheon Intl. Airport (ICN) to Ulsan (USN) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:ICN,to:USN,departure:03/12/2025TANYT&leg2=from:USN,to:ICN,departure:10/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![easyJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_U2.svg) easyJet [](https://www.expedia.co.uk/Flights-Search?leg1=from:ICN,to:USN,departure:03/12/2025TANYT&leg2=from:USN,to:ICN,departure:10/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"U2"}}]) - ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.co.uk/Flights-Search?leg1=from:ICN,to:USN,departure:03/12/2025TANYT&leg2=from:USN,to:ICN,departure:10/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![Ryanair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_FR.svg) Ryanair [](https://www.expedia.co.uk/Flights-Search?leg1=from:ICN,to:USN,departure:03/12/2025TANYT&leg2=from:USN,to:ICN,departure:10/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FR"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:ICN,to:USN,departure:03/12/2025TANYT&leg2=from:USN,to:ICN,departure:10/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Jet2](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LS.svg) Jet2 [](https://www.expedia.co.uk/Flights-Search?leg1=from:ICN,to:USN,departure:03/12/2025TANYT&leg2=from:USN,to:ICN,departure:10/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LS"}}]) - ![Swiss International Air Lines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.co.uk/Flights-Search?leg1=from:ICN,to:USN,departure:03/12/2025TANYT&leg2=from:USN,to:ICN,departure:10/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ![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) ## Travel information | Origin airport | Incheon Intl. | | --- | --- | | Destination airport | Ulsan | | Distance | 331 km | ## Book with confidence ### Compare flights from Seoul to Ulsan easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seoul to Ulsan. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Ulsan in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Incheon Intl. to Ulsan.   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Incheon Intl. (ICN) to Ulsan (USN) The easiest way to view the best deals on flights from Seoul to Ulsan today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Incheon Intl. to Ulsan start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Seoul and Ulsan - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Seoul to Ulsan flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Incheon Intl. to Ulsan for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Explore a world of travel with Expedia - Accommodation - Flights - Packages - Cars - Other - [5 Star Hotels in Soha](https://www.expedia.co.uk/5Star-Soha-Hotels.s50-0-d3000734518.Travel-Guide-Filter-Hotels) - [Buk-Gu Hotels](https://www.expedia.co.uk/Buk-Gu-Ulsan-Hotels.0-n553248635277406918-0.Travel-Guide-Filter-Hotels) - [Resorts in Chirang](https://www.expedia.co.uk/Chirang-Hotel-Resorts.d3000734495-aaHotelResorts.Travel-Guide-Accommodation) - [Choil Hotels](https://www.expedia.co.uk/Choil-Hotels.d3000734496.Travel-Guide-Hotels) - [Chugye Hotels](https://www.expedia.co.uk/Chugye-Hotels.d3000734497.Travel-Guide-Hotels) - [Ulju Hotels](https://www.expedia.co.uk/Destinations-In-Ulju.d3000688315.Hotel-Destinations) - [Eonyang-Eup Hotels](https://www.expedia.co.uk/Eonyang-Eup-Hotels.d3000747627.Travel-Guide-Hotels) - [Gosa Hotels](https://www.expedia.co.uk/Gosa-Ulsan-Hotels.0-n3000734502-0.Travel-Guide-Filter-Hotels) - [Gyodong-Ri Hotels](https://www.expedia.co.uk/Gyodong-Ri-Hotels.d3000747626.Travel-Guide-Hotels) - [Inbo-Ri Hotels](https://www.expedia.co.uk/Inbo-Ri-Hotels.d3000747630.Travel-Guide-Hotels) - [Jinha Hotels](https://www.expedia.co.uk/Jinha-Hotels.d3000734494.Travel-Guide-Hotels) - [Jung-Gu Hotels](https://www.expedia.co.uk/Jung-Gu-Ulsan-Hotels.0-n553248635277407048-0.Travel-Guide-Filter-Hotels) - [Miho-Ri Hotels](https://www.expedia.co.uk/Miho-Ri-Hotels.d3000747632.Travel-Guide-Hotels) - [Nam-Gu Hotels](https://www.expedia.co.uk/Nam-Gu-Ulsan-Hotels.0-n553248635277407747-0.Travel-Guide-Filter-Hotels) - [Condo Rentals in Nasa](https://www.expedia.co.uk/Nasa-Condos.d3000685417-aaCondos.Travel-Guide-Accommodation) - [Nasa Hotels](https://www.expedia.co.uk/Nasa-Hotels.d3000685417.Travel-Guide-Hotels) - [Onsan-Eup Hotels](https://www.expedia.co.uk/Onsan-Eup-Hotels.d3000747635.Travel-Guide-Hotels) - [Onyang Hotels](https://www.expedia.co.uk/Onyang-Hotels.d3000747636.Travel-Guide-Hotels) - [Panho Hotels](https://www.expedia.co.uk/Panho-Hotels.d3000734510.Travel-Guide-Hotels) - [Samsan-Dong Hotels](https://www.expedia.co.uk/Samsan-Dong-Ulsan-Hotels.0-n553248635976007673-0.Travel-Guide-Filter-Hotels) - [Sangjak Hotels](https://www.expedia.co.uk/Sangjak-Hotels.d3000734516.Travel-Guide-Hotels) - [Soha Hotels](https://www.expedia.co.uk/Soha-Hotels.d3000734518.Travel-Guide-Hotels) - [Taeyang Hotels](https://www.expedia.co.uk/Taeyang-Hotels.d3000734523.Travel-Guide-Hotels) - [Tangsa Hotels](https://www.expedia.co.uk/Tangsa-Hotels.d3000734525.Travel-Guide-Hotels) - [Tojang-Gol Hotels](https://www.expedia.co.uk/Tojang-Gol-Hotels.d3000734526.Travel-Guide-Hotels) - [Apartments in Ulsan](https://www.expedia.co.uk/Ulsan-Apartments.d3658-aaApartments.Travel-Guide-Accommodation) - [Condo Rentals in Ulsan](https://www.expedia.co.uk/Ulsan-Condos.d3658-aaCondos.Travel-Guide-Accommodation) - [Spa Hotels in Ulsan](https://www.expedia.co.uk/Ulsan-Hotels-Spa-Hotels.0-0-d3658-tSpaHotels.Travel-Guide-Filter-Hotels) - [Ulsan Hotels](https://www.expedia.co.uk/Ulsan-Hotels.d3658.Travel-Guide-Hotels) - [Yangji Hotels](https://www.expedia.co.uk/Yangji-Hotels.d3000734527.Travel-Guide-Hotels) - [Flights to Nasa](https://www.expedia.co.uk/Cheap-Flights-To-Nasa.d3000685417.Travel-Guide-Flights) - [Flights to Soha](https://www.expedia.co.uk/Cheap-Flights-To-Soha.d3000734518.Travel-Guide-Flights) - [Flights to Ulsan](https://www.expedia.co.uk/Cheap-Flights-To-Ulsan.d3658.Travel-Guide-Flights) - [Flights from Ulsan](https://www.expedia.co.uk/lp/flights/3658/flights-from-ulsan) - [Visit Daesong](https://www.expedia.co.uk/Daesong.dx3000734521) - [Dongchun Gymnasium](https://www.expedia.co.uk/Dongchun-Gymnasium-Jung-Gu.d553248621552334760.Attraction) - [Gangdong Beach](https://www.expedia.co.uk/Gangdong-Beach-Buk-gu.d553248635977253822.Attraction) - [Ilsan Beach](https://www.expedia.co.uk/Ilsan-Beach-Dong-gu.d553248635975635424.Attraction) - [Nasa Holidays](https://www.expedia.co.uk/Nasa.d3000685417.Holidays-City-Breaks) - [Visit Nasa](https://www.expedia.co.uk/Nasa.dx3000685417) - [Visit Panho](https://www.expedia.co.uk/Panho.dx3000734510) - [Taehwagang Simnidae Soop](https://www.expedia.co.uk/Taehwagang-Simnidae-Soop-Jung-Gu.d553248635998073769.Attraction) - [Visit Ulju](https://www.expedia.co.uk/Ulju.dx3000688315) - [Visit Gosa](https://www.expedia.co.uk/Ulsan-Gosa.dx3000734502) - [Visit Jung-Gu](https://www.expedia.co.uk/Ulsan-Jung-Gu.dx553248635277407048) - [Ulsan Holidays](https://www.expedia.co.uk/Ulsan.d3658.Holidays-City-Breaks) - [Visit Ulsan](https://www.expedia.co.uk/Ulsan.dx3658) - [Car hire Ulsan](https://www.expedia.co.uk/Compare-Cheap-Car-Hire-In-Ulsan.d3658.Car-Hire-Guide) - [Things to do in Ulsan](https://www.expedia.co.uk/Things-To-Do-In-Ulsan.d3658.Travel-Guide-Activities) \*Available to Expedia members.