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$565+ 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PUS
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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Find 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 November 21, 2025.

This oojo deal was found by Cheapflights users on 11/19. 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 11/19$1,810
This Delta deal was found by Cheapflights users on 11/19. 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 stops35h 10mDelta
Tue 1/134:10 pmPUS - ORD
2 stops22h 43mDelta
Deal found 11/19$2,106
This Delta deal was found by Cheapflights users on 11/18. 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.
Mon 12/226:30 pmORD - PUS
2 stops35h 15mDelta
Wed 12/317:55 amPUS - ORD
2 stops28h 39mDelta
Deal found 11/18$2,380
This Delta deal was found by Cheapflights users on 11/18. 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.
Tue 12/165:40 pmORD - PUS
2 stops34h 55mDelta
Wed 12/314:10 pmPUS - ORD
2 stops20h 24mDelta
Deal found 11/18$2,428
This Delta deal was found by Cheapflights users on 11/18. 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.
Tue 12/165:40 pmORD - PUS
2 stops36h 05mDelta
Thu 1/17:00 amPUS - ORD
2 stops29h 34mDelta
Deal found 11/18$2,543
This Delta deal was found by Cheapflights users on 11/18. 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.
Mon 12/226:30 pmORD - PUS
2 stops34h 05mDelta
Thu 1/17:00 amPUS - ORD
2 stops29h 34mDelta
Deal found 11/18$2,570
This Delta deal was found by Cheapflights users on 11/18. 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.
Tue 12/167:50 amORD - PUS
2 stops21h 55mDelta
Tue 12/307:55 amPUS - ORD
1 stop15h 35mDelta
Deal found 11/18$2,626
This Delta deal was found by Cheapflights users on 11/18. 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 12/177:50 amORD - PUS
2 stops20h 45mDelta
Wed 12/314:10 pmPUS - ORD
2 stops20h 24mDelta
Deal found 11/18$2,646
This Delta deal was found by Cheapflights users on 11/18. 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.
Sun 12/212:15 pmORD - PUS
2 stops39h 30mDelta
Tue 12/304:10 pmPUS - ORD
2 stops20h 24mDelta
Deal found 11/18$2,672

Cheap 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 November 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,025
(Trip.com)

One-way from

$565
(oojo)
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.
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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 November 21, 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

Thu 1/1

2:35 pm-1:20 pm

1 stop31h 45m

Busan Gimhae

Sat 1/31

7:40 am-12:55 pm

1 stop20h 15m

$1,025

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sun 1/25

11:30 pm-5:40 pm

1 stop27h 10m

Busan Gimhae

Thu 1/29

6:55 pm-7:35 pm

1 stop39h 40m

$1,091

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sun 1/4

11:30 pm-5:40 pm

1 stop27h 10m

Busan Gimhae

Sun 1/11

6:55 pm-7:35 pm

1 stop39h 40m

$1,442

ChicagoBusan

MDW - PUS

MDWPUS

Chicago Midway

Sun 1/25

6:35 pm-7:35 pm

2 stops34h 00m

Busan Gimhae

Thu 1/29

10:25 am-10:22 pm

2 stops26h 57m

$2,293

ChicagoBusan

MDW - PUS

MDWPUS

Chicago Midway

Thu 1/1

6:00 am-7:35 pm

2 stops22h 35m

Busan Gimhae

Sat 1/31

7:00 am-3:38 pm

2 stops23h 38m

$11,693

ChicagoBusan

MDW - PUS

MDWPUS

Chicago Midway

Mon 1/5

5:31 pm-3:10 pm

2 stops30h 39m

Busan Gimhae

Mon 1/12

4:10 pm-10:07 pm

2 stops20h 57m

$17,203

ChicagoBusan

MDW - PUS

MDWPUS

Chicago Midway

Sun 1/4

6:08 pm-7:35 pm

2 stops34h 27m

Busan Gimhae

Sun 1/11

4:10 pm-10:07 pm

2 stops20h 57m

$17,728

ChicagoBusan

MDW - PUS

MDWPUS

Chicago Midway

Sat 1/3

6:00 am-7:35 pm

2 stops22h 35m

Busan Gimhae

Sat 1/10

4:10 pm-10:07 pm

2 stops20h 57m

$18,203

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sun 3/22

12:30 am-5:40 pm

1 stop27h 10m

$565

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sun 3/22

2:30 pm-1:30 pm

3 stops57h 00m

$595

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 16 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?

    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 November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$1,708Average$1,782FlexibilityNo cancel feeOn-time81%

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