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Flights from Busan to Chicago

Find flight deals from Busan to Chicago for the next 3 months. Book one way flights from $858 or round trip flights from $1,237.

      • PUS 7:10 PM
        39h 50m
        1 stop
        ORD 9:00 PM
        Busan - Chicago | Wed, May 20 | EVA Air
        ORD 12:30 AM
        27h 30m
        1 stop
        PUS 6:00 PM
        Chicago - Busan | Tue, May 26 | EVA Air
        $1,237 $2,474
        50% off
        50% off
        $2,474 $1,237
      • PUS 7:10 PM
        39h 50m
        1 stop
        ORD 9:00 PM
        Busan - Chicago | Fri, May 15 | EVA Air
        ORD 12:30 AM
        27h 30m
        1 stop
        PUS 6:00 PM
        Chicago - Busan | Mon, May 18 | EVA Air
        $1,348 $2,474
        46% off
        46% off
        $2,474 $1,348
      • PUS 2:20 PM
        37h 35m
        1 stop
        ORD 1:55 PM
        Busan - Chicago | Sat, May 30 | Cathay Pacific
        ORD 4:15 PM
        31h 20m
        1 stop
        PUS 1:35 PM
        Chicago - Busan | Tue, Jun 2 | Cathay Pacific
        $1,404 $2,474
        43% off
        43% off
        $2,474 $1,404
      • PUS 7:10 PM
        39h 50m
        1 stop
        ORD 9:00 PM
        Busan - Chicago | Thu, Jun 4 | EVA Air
        ORD 12:30 AM
        27h 30m
        1 stop
        PUS 6:00 PM
        Chicago - Busan | Wed, Jun 10 | EVA Air
        $1,468
        41% off
        $2,474 $1,468
      • PUS 7:45 AM
        20h 10m
        1 stop
        ORD 1:55 PM
        Busan - Chicago | Wed, May 20 | Cathay Pacific
        ORD 4:15 PM
        31h 20m
        1 stop
        PUS 1:35 PM
        Chicago - Busan | Tue, May 26 | Cathay Pacific
        $1,573
        36% off
        $2,474 $1,573
      • PUS 2:20 PM
        37h 35m
        1 stop
        ORD 1:55 PM
        Busan - Chicago | Fri, May 15 | Cathay Pacific
        ORD 4:15 PM
        24h 45m
        1 stop
        PUS 7:00 AM
        Chicago - Busan | Mon, May 18 | Cathay Pacific
        $1,578
        36% off
        $2,474 $1,578
      • PUS 7:45 AM
        20h 10m
        1 stop
        ORD 1:55 PM
        Busan - Chicago | Fri, May 22 | Cathay Pacific
        ORD 4:15 PM
        31h 20m
        1 stop
        PUS 1:35 PM
        Chicago - Busan | Sun, May 24 | Cathay Pacific
        $1,635
        34% off
        $2,474 $1,635
      • PUS 2:20 PM
        37h 35m
        1 stop
        ORD 1:55 PM
        Busan - Chicago | Thu, Jun 4 | Cathay Pacific
        ORD 4:15 PM
        24h 45m
        1 stop
        PUS 7:00 AM
        Chicago - Busan | Wed, Jun 10 | Cathay Pacific
        $1,656
        33% off
        $2,474 $1,656
      • PUS 7:45 AM
        20h 10m
        1 stop
        ORD 1:55 PM
        Busan - Chicago | Tue, Jun 2 | Cathay Pacific
        ORD 4:15 PM
        24h 45m
        1 stop
        PUS 7:00 AM
        Chicago - Busan | Thu, Jun 4 | Cathay Pacific
        $1,735
        30% off
        $2,474 $1,735
      • PUS 7:45 AM
        20h 10m
        1 stop
        ORD 1:55 PM
        Busan - Chicago | Mon, Jun 1 | Cathay Pacific
        ORD 4:15 PM
        31h 20m
        1 stop
        PUS 1:35 PM
        Chicago - Busan | Fri, Jun 5 | Cathay Pacific
        $1,781
        28% off
        $2,474 $1,781
      • PUS 1:00 PM
        17h 25m
        1 stop
        CHI 2:00 PM
        Busan - Chicago | Sat, May 16 | Normal Airline
        CHI 3:00 PM
        6h
        Nonstop
        PUS 4:00 PM
        Chicago - Busan | Mon, May 18 | Normal Airline
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      • PUS 7:10 PM
        39h 50m
        1 stop
        ORD 9:00 PM
        Busan - Chicago | Thu, Jun 4 | EVA Air
        $858 $1,678
        49% off
        49% off
        $1,678 $858
      • PUS 7:10 PM
        39h 50m
        1 stop
        ORD 9:00 PM
        Busan - Chicago | Sat, Jun 13 | EVA Air
        $956 $1,678
        43% off
        43% off
        $1,678 $956
      • PUS 7:10 PM
        39h 50m
        1 stop
        ORD 9:00 PM
        Busan - Chicago | Thu, Jun 11 | EVA Air
        $982 $1,678
        41% off
        41% off
        $1,678 $982
      • PUS 7:10 PM
        39h 50m
        1 stop
        ORD 9:00 PM
        Busan - Chicago | Thu, Jun 25 | EVA Air
        $1,076
        36% off
        $1,678 $1,076
      • PUS 7:45 AM
        20h 10m
        1 stop
        ORD 1:55 PM
        Busan - Chicago | Wed, Jun 10 | HK Express
        $1,111
        34% off
        $1,678 $1,111
      • PUS 7:10 PM
        39h 50m
        1 stop
        ORD 9:00 PM
        Busan - Chicago | Fri, May 15 | EVA Air
        $1,116
        33% off
        $1,678 $1,116
      • PUS 7:45 AM
        20h 35m
        1 stop
        ORD 2:20 PM
        Busan - Chicago | Mon, Jun 29 | HK Express
        $1,126
        33% off
        $1,678 $1,126
      • PUS 7:10 PM
        39h 50m
        1 stop
        ORD 9:00 PM
        Busan - Chicago | Wed, Jun 24 | EVA Air
        $1,142
        32% off
        $1,678 $1,142
      • PUS 7:10 PM
        39h 50m
        1 stop
        ORD 9:00 PM
        Busan - Chicago | Wed, Jun 10 | EVA Air
        $1,148
        32% off
        $1,678 $1,148
      • PUS 7:45 AM
        20h 10m
        1 stop
        ORD 1:55 PM
        Busan - Chicago | Tue, May 19 | Cathay Pacific
        $1,208
        28% off
        $1,678 $1,208
      • PUS 1:00 PM
        17h 25m
        1 stop
        CHI 2:00 PM
        Busan - Chicago | Sat, May 16 | Normal Airline
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        Find more flights

Displayed flight fares from Busan to Chicago are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Frequently Asked Questions

  • What are the cheapest flights from Busan to Chicago (PUS-CHI)?

    Based on Trip.com data, EVA Air offers one-way fares as low as $858 on Cheapest nonstop routes (e.g. PUS to ORD on Thu, Jun 4), while EVA Air offers Cheapest nonstop round-trips from $1,237 departing on Wed, May 20 and returning on Tue, May 26.
  • At the moment, several airlines serve connecting flights from Busan to Chicago, including: Cathay Pacific Korean Air Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Busan to Chicago is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Busan to Chicago, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Jun 4, with one-way flights priced at just $858.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is EVA Air.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Chicago travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Busan to Chicago is October, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Busan to Chicago on May 15, 2026 with EVA Air, with prices starting at $1,116.
  • You can land at any one of the following hubs in Chicago, with Gimhae International Airport to Chicago O'Hare International Airport (PUS-ORD) is by far the most common option on this route: Chicago O'Hare International Airport (ORD) Chicago Midway International Airport (MDW) Chicago Rockford International Airport (RFD).
  • The time difference between Chicago and Busan is 15h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.