Cheap flights from Chicago to Ulsan

Flights overview

Useful information for finding cheap flights from Chicago to Ulsan and booking your next trip
Cheapest one-way flight $1,697
Delta, Korean Air 2 stops 33 hr Wed, May 20
The cheapest one-way flight from Chicago to Ulsan is currently $1,697
Fastest flight 22 hr 10 min The fastest flight with stops from Chicago to Ulsan takes 22 hr 10 min
Nonstop flights None There are no direct flights on this route.

Popular airlines from Chicago to Ulsan

  • Korean Air
    21 weekly connecting flights
    ORD - USN Every day

Popular airports near Chicago

  • Chicago O'Hare International Airport (ORD)
    Chicago United States 26 min 16 mi
  • Chicago Midway International Airport (MDW)
    Chicago United States 25 min 9 mi
  • Milwaukee Mitchell International Airport (MKE)
    Milwaukee United States 1 hr 23 min 75 mi
  • Indianapolis International Airport (IND)
    Indianapolis United States 2 hr 58 min 165 mi

Popular airports near Ulsan

  • Gimhae International Airport (PUS)
    Busan South Korea 33 mi
  • Ulsan Airport (USN)
    Ulsan South Korea 4 mi
  • Daegu International Airport (TAE) (TAE)
    Daegu South Korea 45 mi
  • Cheongju International Airport (CJJ)
    Cheongju-si South Korea 130 mi

Frequently asked questions about flying from Chicago to Ulsan

The cheapest one-way flight was with Delta, Korean Air from $1,697.

Some of the cheapest round-trip deals we found with different airlines:
    The cheapest one-way flight starts at $1,697 and departs on Wed, May 20.
    22 hr 10 min is the shortest flight time from Chicago to Ulsan.
    It's easy to use Google Flights to find the cheapest days to fly from Chicago to Ulsan.
    Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
    Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

    You can also turn on price tracking to get alerts if the price changes for a route or flight.
    What counts as the best airline for your flights from Chicago to Ulsan really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Chicago to Ulsan.

    In terms of flights, Korean Air is the most popular. Korean Air offers 21 connecting flights per week. Korean Air flies from Chicago O'Hare International Airport (ORD) to Ulsan Airport (USN) .

    The number of connecting flights refers to distinct flights with at least one stop between Chicago and Ulsan.
    The cheapest one-way flight was with Delta, Korean Air from $1,697.

    Some of the cheapest round-trip deals we found with different airlines:
      No airline flies direct from Chicago to Ulsan.
      • There are 21 Korean Air connecting flights from Chicago to Ulsan per week. Flights are available every day.
      Use the Stops filter while searching for flights, to see only nonstop options in your results.
      No airline flies direct from Chicago to Ulsan.
      • There are 21 Korean Air connecting flights from Chicago to Ulsan per week. Flights are available every day.
      Use the Stops filter while searching for flights, to see only nonstop options in your results.
      There are no direct flights from Chicago to Ulsan.
      It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Chicago to Ulsan, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
      To book business class trips from Chicago to Ulsan, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

      You can also adjust the trip type to view one-way fares.
      To find last-minute flight deals from Chicago to Ulsan, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

      You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

      Search more flights

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