Cheap Flights from Seoul (ICN) to Ulsan (USN)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save on select hotels after you book a flight*
  • payments icon
    Find the right fit
    We search billions of combinations of flights to help you find your next adventure