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Busan

$645+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PUS
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
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 January 27, 2026.

This oojo deal was found by Cheapflights users on 1/26. 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.
Thu 2/1911:30 pm
ORD
-
PUS
1 stop27h 10m
EVA Air
Mon 3/23:45 pm
PUS
-
ORD
1 stop18h 50m
EVA Air
Deal found 1/26$953
This Cathay Pacific deal was found by Cheapflights users on 1/26. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:35 pm
ORD
-
PUS
1 stop31h 45m
Cathay Pacific
Fri 11/62:05 pm
PUS
-
ORD
1 stop37h 50m
Cathay Pacific
Deal found 1/26$991
This Trip.com deal was found by Cheapflights users on 1/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/192:35 pm
ORD
-
PUS
2 stops38h 20m
Multiple Airlines
Mon 3/28:00 am
PUS
-
ORD
2 stops43h 55m
Multiple Airlines
Deal found 1/26$1,073
This FlightHub deal was found by Cheapflights users on 1/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2511:30 pm
ORD
-
PUS
1 stop24h 05m
EVA Air
Mon 3/93:45 pm
PUS
-
ORD
1 stop18h 50m
EVA Air
Deal found 1/25$1,083
This oojo deal was found by Cheapflights users on 1/26. 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.
Fri 2/2011:30 pm
ORD
-
PUS
1 stop27h 10m
EVA Air
Mon 3/23:45 pm
PUS
-
ORD
1 stop18h 50m
EVA Air
Deal found 1/26$1,119
This Gurufare deal was found by Cheapflights users on 1/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:35 pm
ORD
-
PUS
1 stop31h 45m
Cathay Pacific
Mon 3/92:05 pm
PUS
-
ORD
1 stop37h 50m
Cathay Pacific
Deal found 1/27$1,134
This Trip.com deal was found by Cheapflights users on 1/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/202:35 pm
ORD
-
PUS
2 stops38h 10m
Multiple Airlines
Mon 3/27:20 am
PUS
-
ORD
2 stops44h 35m
Multiple Airlines
Deal found 1/26$1,141
This EVA Air deal was found by Cheapflights users on 1/26. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:30 pm
ORD
-
PUS
1 stop27h 10m
EVA Air
Fri 11/66:55 pm
PUS
-
ORD
2 stops38h 59m
EVA Air
Deal found 1/26$1,231
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2111:30 pm
ORD
-
PUS
1 stop24h 05m
Multiple Airlines
Sun 3/17:40 am
PUS
-
ORD
2 stops43h 21m
Multiple Airlines
Deal found 1/27$1,237
This Trip.com deal was found by Cheapflights users on 1/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1112:30 am
ORD
-
PUS
1 stop27h 10m
EVA Air
Thu 3/196:55 pm
PUS
-
ORD
1 stop39h 40m
EVA Air
Deal found 1/26$1,243
This China Airlines deal was found by Cheapflights users on 1/26. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/125:40 pm
MDW
-
PUS
2 stops27h 10m
Multiple Airlines
Thu 3/197:50 pm
PUS
-
MDW
2 stops23h 40m
Multiple Airlines
Deal found 1/26$1,651
This Korean Air deal was found by Cheapflights users on 1/25. 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.
Mon 10/269:30 am
MDW
-
PUS
2 stops35h 20m
Korean Air
Fri 10/3010:25 am
PUS
-
MDW
2 stops40h 08m
Korean Air
Deal found 1/25$2,338

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$953
(oojo)

One-way from

$645
(Kiwi.com)
Provider with most accurate pricing for Chicago (CHI)-Busan Gimhae flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Busan Gimhae flights.
Search Deals
From Chicago (CHI) to Busan Gimhae
Search Deals
One-way flight from Chicago (CHI) to Busan Gimhae
Search Deals

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 January 27, 2026.
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

Thu 2/19

2:35 pm-7:55 pm

2 stops38h 20m

Busan Gimhae

Mon 3/2

8:00 am-12:55 pm

2 stops43h 55m

$1,073

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Wed 2/25

11:30 pm-2:35 pm

1 stop24h 05m

Busan Gimhae

Mon 3/9

3:45 pm-8:35 pm

1 stop18h 50m

$1,083

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Fri 2/20

11:30 pm-5:40 pm

1 stop27h 10m

Busan Gimhae

Mon 3/2

3:45 pm-7:35 pm

1 stop18h 50m

$1,119

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Thu 2/26

2:35 pm-1:20 pm

1 stop31h 45m

Busan Gimhae

Mon 3/9

2:05 pm-1:55 pm

1 stop37h 50m

$1,134

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Fri 2/20

2:35 pm-7:45 pm

2 stops38h 10m

Busan Gimhae

Mon 3/2

7:20 am-12:55 pm

2 stops44h 35m

$1,141

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 2/21

11:30 pm-2:35 pm

1 stop24h 05m

Busan Gimhae

Sun 3/1

7:40 am-12:01 pm

2 stops43h 21m

$1,237

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Wed 3/11

12:30 am-5:40 pm

1 stop27h 10m

Busan Gimhae

Thu 3/19

6:55 pm-8:35 pm

1 stop39h 40m

$1,243

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 2/21

11:30 pm-2:35 pm

1 stop24h 05m

Busan Gimhae

Sat 2/28

6:50 am-11:56 pm

2 stops32h 06m

$1,273

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Fri 2/20

4:25 pm-1:00 pm

1 stop29h 35m

Busan Gimhae

Sun 3/1

7:30 am-12:01 pm

2 stops43h 31m

$1,306

ChicagoBusan

MDW - PUS

MDWPUS

Chicago Midway

Thu 3/12

5:40 pm-10:50 am

2 stops27h 10m

Busan Gimhae

Thu 3/19

7:50 pm-5:30 am

2 stops23h 40m

$1,651

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 14 results
1
2
  • 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?

    EVA Air and Cathay Pacific can get you from Chicago to Busan in just under 24h 05m. Your travel time can differ by up to 7h 40m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$1,708Average$1,782FlexibilityNo cancel feeOn-time81%

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