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Cheap Flights from Chicago (ORD) to Busan (PUS)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Chicago O'Hare International to Gimhae International flight deals

      Find the cheapest month or even day of the year to fly to Gimhae International

      Book the best Gimhae International fare with no extra fees

      Flight deals from Chicago O'Hare International to Gimhae International

      Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International Airport to Gimhae International Airport? If you want to travel next month, return fares start from $1,551. Find the lowest prices on one-way and return tickets right here.
      Busan.$1,551 per passenger.Departing Sat, 24 Oct, returning Sat, 31 Oct.Return flight with Frontier Airlines and Eastar Jet.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Sat, 24 Oct, arriving in Gimhae International.Inbound indirect flight with Eastar Jet, departs from Gimhae International on Sat, 31 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,551, select.
      Busan.$1,692 per passenger.Departing Sun, 27 Sep, returning Wed, 30 Sep.Return flight with EVA Air.Outbound indirect flight with EVA Air, departs from Chicago O'Hare International on Sun, 27 Sep, arriving in Gimhae International.Inbound indirect flight with EVA Air, departs from Gimhae International on Wed, 30 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,692, select.
      Busan.$1,695 per passenger.Departing Tue, 13 Apr, returning Fri, 23 Apr.Return flight with EVA Air.Outbound indirect flight with EVA Air, departs from Chicago O'Hare International on Tue, 13 Apr, arriving in Gimhae International.Inbound indirect flight with EVA Air, departs from Gimhae International on Fri, 23 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,695, select.
      Busan.$1,717 per passenger.Departing Mon, 11 Jan, returning Sun, 14 Feb.Return flight with Alaska Airlines and Air Busan.Outbound indirect flight with Alaska Airlines, departs from Chicago O'Hare International on Mon, 11 Jan, arriving in Gimhae International.Inbound indirect flight with Air Busan, departs from Gimhae International on Sun, 14 Feb, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,717, select.
      Busan.$1,740 per passenger.Departing Sat, 7 Nov, returning Sat, 14 Nov.Return flight with Air Canada and Eastar Jet.Outbound indirect flight with Air Canada, departs from Chicago O'Hare International on Sat, 7 Nov, arriving in Gimhae International.Inbound indirect flight with Eastar Jet, departs from Gimhae International on Sat, 14 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,740, select.
      Busan.$1,752 per passenger.Departing Tue, 18 May, returning Tue, 1 Jun.Return flight with Alaska Airlines and China Airlines.Outbound indirect flight with Alaska Airlines, departs from Chicago O'Hare International on Tue, 18 May, arriving in Gimhae International.Inbound indirect flight with China Airlines, departs from Gimhae International on Tue, 1 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,752, select.
      Busan.$2,113 per passenger.Departing Fri, 12 Mar, returning Sun, 21 Mar.Return flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Chicago O'Hare International on Fri, 12 Mar, arriving in Gimhae International.Inbound indirect flight with Philippine Airlines, departs from Gimhae International on Sun, 21 Mar, arriving in Chicago O'Hare International.Price includes taxes and charges.From $2,113, select.
      Busan.$2,188 per passenger.Departing Tue, 24 Nov, returning Mon, 4 Jan.Return flight with Frontier Airlines and China Eastern.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Tue, 24 Nov, arriving in Gimhae International.Inbound indirect flight with China Eastern, departs from Gimhae International on Mon, 4 Jan, arriving in Chicago O'Hare International.Price includes taxes and charges.From $2,188, select.
      Busan.$2,483 per passenger.Departing Sat, 16 Jan, returning Mon, 18 Jan.Return flight with Cathay Pacific and EVA Air.Outbound indirect flight with Cathay Pacific, departs from Chicago O'Hare International on Sat, 16 Jan, arriving in Gimhae International.Inbound indirect flight with EVA Air, departs from Gimhae International on Mon, 18 Jan, arriving in Chicago O'Hare International.Price includes taxes and charges.From $2,483, select.
      Busan.$2,616 per passenger.Departing Fri, 4 Dec, returning Fri, 11 Dec.Return flight with Alaska Airlines and EVA Air.Outbound indirect flight with Alaska Airlines, departs from Chicago O'Hare International on Fri, 4 Dec, arriving in Gimhae International.Inbound indirect flight with EVA Air, departs from Gimhae International on Fri, 11 Dec, arriving in Chicago O'Hare International.Price includes taxes and charges.From $2,616, select.
      Busan.$2,724 per passenger.Departing Sat, 19 Dec, returning Sun, 10 Jan.Return flight with Frontier Airlines and Trinity Airways.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Sat, 19 Dec, arriving in Gimhae International.Inbound indirect flight with Trinity Airways, departs from Gimhae International on Sun, 10 Jan, arriving in Chicago O'Hare International.Price includes taxes and charges.From $2,724, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Chicago O'Hare International to Gimhae International found in the last 4 days, and are subject to change and availability.

      Find the cheapest month to fly from Chicago O'Hare International to Gimhae International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Gimhae International flights are currently cheapest in October.
      Sep
      from $1,692
      Oct
      from $1,551
      Nov
      from $1,739
      Dec
      from $2,616
      Jan
      from $2,482
      Feb
      Find prices
      Mar
      from $2,112
      Apr
      from $1,695
      May
      Find prices
      Jun
      Find prices
      Jul
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      Aug
      Find prices

      Chicago O'Hare International to Gimhae International: Alternative routes

      Compare routes from Chicago O'Hare International to Busan below. You may find an airport to fly into that's cheaper, faster, or easier than Gimhae International.

      Gimhae International

      12km from central Busan
      ClosestCheapest
      from $1,551
      Search flights

      Ulsan

      62km from central Busan
      from $4,157
      Search flights

      Chicago to Busan: Flight information

      The things to know before you go.
      Cheapest flight found$1,551
      Cheapest month to flyOctober

      Finding cheap flights from Chicago O'Hare International to Gimhae International: Frequently asked questions

      The best price we found for a return flight from Chicago O'Hare International to Gimhae International is $1,551. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Chicago O'Hare International to Gimhae International. But we found flights with one or more stops from $1,551.
      As of September 2026, there are no flights flying from Chicago O'Hare International to Gimhae International.
      The cheapest month to fly from Chicago O'Hare International to Gimhae International is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Gimhae International Airport on Saturday, 24 October 2026.
      No airlines currently offer direct flights between Chicago O'Hare International Airport and Gimhae International Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Gimhae International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Busan is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Frontier Airlines offers the cheapest flight tickets to Gimhae International.

      Travelling from Chicago O'Hare International Airport (ORD) to Gimhae International Airport (PUS): what you need to know

      • Busan's timezone is UTC+9, making Busan 15 hours ahead of Chicago.

      • Give yourself plenty of time to make your ORD to PUS flight. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

      • Be prepared for bigger queues in popular months such as July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure will help ensure a smooth travel experience.

      • We make it a breeze to book a flight with a stopover. To see your options for tickets from Chicago O'Hare International Airport to Gimhae International Airport, deselect 'Direct flights only.' Then, choose a flight offering a stop long enough to tour the city of your choice. Top stopovers between ORD and PUS include:

        • Incheon International Airport

        • Hong Kong Intl Airport

        • Taipei Taiwan Taoyuan Airport

      Handy information about Chicago O'Hare International Airport (ORD)

      • ORD is located at 10000 West O'Hare.

      • 70% of flights that take off from Chicago O'Hare International Airport touch down at their destination on schedule.

      • Chicago O'Hare International Airport is around 27 kilometres from central Chicago. If you're catching a taxi, ride-sharing or driving from the centre, it'll take 30 minutes or so to arrive, depending on the traffic.

      • Planning to catch public transport? You can expect a journey time of around 45 minutes.

      • Booked an early flight from Chicago O'Hare International Airport to Gimhae International Airport? Avoid the stress of rushing to the airport (and catch some extra z's) by choosing one of these stays close to ORD:

      Arriving at Gimhae International Airport (PUS)

      • If you're landing on a late Chicago O'Hare International Airport to Gimhae International Airport flight, nothing beats the convenience of being near the terminal. Grab your bags from the carousel and then be showered and resting shortly after at one of these accommodation options near PUS:

      • Grab a Gimhae International Airport rental car and explore Busan and beyond with your own wheels. With Rental Car Headquarters, Hi Rent A Car and HI RENT A CAR are top outlets to choose from here.

      • Lock in the best possible rate by reserving your ride from Gimhae International Airport about one week before your travel date.

      Getting from Gimhae International Airport (PUS) to central Busan

      • Gimhae International Airport is roughly 19 kilometres from the centre of Busan. The drive time takes around 30 minutes.

      • Travelling by public transport will take you around 45 minutes.

      When to fly to Gimhae International Airport (PUS)

      • It's time to plan your dates for your flight from Chicago O'Hare International Airport to Gimhae International Airport. August is the busiest month to head to Busan. If you prefer a more low-key vibe, go in March.

      • Lock in your flight from Chicago O'Hare International Airport to Gimhae International Airport for August if you'd like to go to Busan during its warmest month. You can expect temperatures of between 22ºC (72ºF) and 29ºC (84ºF).

      • January sees average temperatures of between -3ºC (27ºF) and 8ºC (46ºF). Look for cheap tickets from ORD to PUS sometime then if you want to travel in cooler conditions.

      Explore more of South Korea

      • You've seen Busan, now it's time to discover other corners of South Korea. Journey around 322 kilometres north-west to Seoul to check off its popular sights. From Gyeongbokgung Palace to Bukchon Hanok Village and N Seoul Tower, you've got a jam-packed schedule ahead.

      • Incheon is another standout destination in South Korea and is around 354 kilometres north-west of Busan. No journey is complete without experiencing INSPIRE Arena, Wangsan Beach and Seokmodo Natural Forest.

      Plan smart, explore more

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      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.