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$585+ Cheap flights from Chicago (CHI) to Busan (PUS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PUS
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Chicago to Busan

Cheapest flights from Chicago to Busan
Explore the most affordable flight options available from Chicago to Busan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This oojo deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2711:30 pmORD - PUS
1 stop27h 10mEVA Air
Tue 1/136:55 pmPUS - ORD
1 stop39h 40mEVA Air
Deal found 12/11$1,661
This Delta deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:00 amORD - PUS
2 stops22h 35mDelta
Tue 1/137:00 amPUS - ORD
2 stops29h 05mDelta
Deal found 12/10$2,254
This Korean Air deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2711:15 amORD - PUS
1 stop29h 55mKorean Air
Tue 1/137:00 amPUS - ORD
1 stop16h 40mKorean Air
Deal found 12/10$2,723

Find flight deals from Chicago to Busan

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Busan (PUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,077
(Kiwi.com)

One-way from

$585
(Kiwi.com)
Provider with most accurate pricing for Chicago (CHI)-Busan Gimhae flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Busan Gimhae flights.
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From Chicago (CHI) to Busan Gimhae
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One-way flight from Chicago (CHI) to Busan Gimhae
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Busan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Chicago to Busan that are best for you.

Fly from

Chicago

Fly to

Busan

Route

Depart

Return

Price

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Wed 1/28

2:35 pm-1:05 pm

1 stop31h 30m

Busan Gimhae

Sun 2/1

4:25 pm-12:55 pm

1 stop35h 30m

$1,102

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sun 1/25

2:35 pm-7:35 pm

2 stops38h 00m

Busan Gimhae

Sun 2/1

4:25 pm-12:55 pm

1 stop35h 30m

$1,184

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 1/24

11:30 pm-5:40 pm

1 stop27h 10m

Busan Gimhae

Sat 1/31

6:55 pm-5:15 am

2 stops49h 20m

$1,249

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 1/24

2:35 pm-1:50 pm

2 stops32h 15m

Busan Gimhae

Sat 1/31

1:25 pm-12:55 pm

2 stops38h 30m

$1,330

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 12/27

11:30 pm-5:40 pm

1 stop27h 10m

Busan Gimhae

Tue 1/13

6:55 pm-7:35 pm

1 stop39h 40m

$1,661

ChicagoBusan

MDW - PUS

MDWPUS

Chicago Midway

Sat 1/24

3:00 pm-10:50 am

2 stops28h 50m

Busan Gimhae

Sat 1/31

7:50 pm-5:00 am

2 stops24h 10m

$2,520

ChicagoBusan

MDW - PUS

MDWPUS

Chicago Midway

Sun 1/25

6:35 pm-7:35 pm

2 stops34h 00m

Busan Gimhae

Sun 2/1

10:25 am-10:22 pm

2 stops26h 57m

$5,941

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Thu 1/15

6:06 pm-1:20 pm

3 stops52h 14m

$585

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Thu 1/15

2:35 pm-1:20 pm

1 stop31h 45m

$756

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Wed 6/3

10:00 am-6:05 pm

3 stops42h 05m

$939

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 14 results
1
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  • Most accurate provider: When it comes to deals on Chicago-Busan flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Busan flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Busan flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Busan flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Busan flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Busan

Have a flexible travel schedule? Discover the best time to fly to Busan from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Busan
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Busan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Busan from Chicago?

    If you book a flight to Busan from Chicago, you will be flying to Gimhae, which is the city’s only airport. Busan Gimhae (PUS) is located 7.2 mi from the center of Busan. There are 0 flights from Chicago to Gimhae per day from 1 airline.

  • How long is the flight from Chicago to Busan?

    Cathay Pacific, EVA Air, and Delta can get you from Chicago to Busan in just under 27h 10m. Your travel time can differ by up to 6h 50m. There are 6614 mi between Chicago and Busan. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Chicago to Busan that include hotel bookings?

    Yes. In addition to deals on Chicago to Busan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Busan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Busan.

  • Can I find deals for business class flights from Chicago to Busan?

    Yes. Cheapflights offers flight deals from Chicago to Busan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top airline flying from Chicago to Busan

Discover the top airline that operate flights from Chicago to Busan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$1,708Average$1,782FlexibilityNo cancel feeOn-time81%

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