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Busan

$658+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PUS
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
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 February 11, 2026.

This oojo deal was found by Cheapflights users on 2/8. 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.
Tue 9/2212:30 am
ORD
-
PUS
1 stop27h 30m
EVA Air
Sun 10/47:10 pm
PUS
-
ORD
1 stop39h 35m
EVA Air
Deal found 2/8$1,153
This EVA Air deal was found by Cheapflights users on 2/8. 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 2/8$1,231
This Air China deal was found by Cheapflights users on 2/9. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:51 pm
ORD
-
PUS
2 stops28h 54m
Air China
Fri 11/612:45 pm
PUS
-
ORD
2 stops46h 40m
Air China
Deal found 2/9$1,985
This Delta deal was found by Cheapflights users on 2/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/215:30 am
ORD
-
PUS
2 stops25h 15m
Delta
Sun 3/298:45 am
PUS
-
ORD
2 stops26h 49m
Delta
Deal found 2/11$1,996
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/213:35 pm
ORD
-
PUS
1 stop31h 45m
Multiple Airlines
Sun 3/2910:55 am
PUS
-
ORD
2 stops59h 55m
Multiple Airlines
Deal found 2/11$2,049
This Korean Air deal was found by Cheapflights users on 2/8. 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 stops39h 40m
Korean Air
Fri 10/3012:00 pm
PUS
-
MDW
2 stops38h 33m
Korean Air
Deal found 2/8$2,340
This Delta deal was found by Cheapflights users on 2/8. 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.
Wed 9/235:25 pm
MDW
-
PUS
2 stops26h 05m
Delta
Sun 10/47:00 am
PUS
-
MDW
2 stops23h 27m
Delta
Deal found 2/8$17,700

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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,444
(Expedia)

One-way from

$658
(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
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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 February 11, 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

MDW - PUS

MDWPUS

Chicago Midway

Tue 3/24

9:35 am-8:45 pm

2 stops21h 10m

Busan Gimhae

Tue 3/31

8:00 am-12:29 pm

2 stops18h 29m

$1,729

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 3/21

5:30 am-8:45 pm

2 stops25h 15m

Busan Gimhae

Sun 3/29

8:45 am-9:34 pm

2 stops26h 49m

$1,996

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 3/21

3:35 pm-1:20 pm

1 stop31h 45m

Busan Gimhae

Sun 3/29

10:55 am-8:50 am

2 stops59h 55m

$2,049

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Fri 4/24

12:30 am-6:00 pm

1 stop27h 30m

Busan Gimhae

Fri 5/1

7:10 pm-9:00 pm

1 stop39h 50m

$6,863

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 4/25

4:20 pm-8:05 am

2 stops49h 45m

Busan Gimhae

Fri 5/1

8:00 am-2:15 pm

2 stops44h 15m

$13,353

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Fri 7/31

2:30 pm-9:30 pm

2 stops41h 00m

Busan Gimhae

Mon 8/10

5:30 pm-11:00 am

2 stops31h 30m

$25,344

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Fri 7/31

12:30 pm-7:45 am

1 stop29h 15m

Busan Gimhae

Mon 8/10

7:00 am-9:40 am

1 stop16h 40m

$25,414

ChicagoBusan

MDW - PUS

MDWPUS

Chicago Midway

Sun 3/15

7:30 am-4:00 pm

3 stops42h 30m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

  • 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?

    Korean Air and Delta can get you from Chicago to Busan in just under 21h 10m. Your travel time can differ by up to 4h 05m. There are 6630 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

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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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$1,708Average$1,782FlexibilityNo cancel feeOn-time81%

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