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$567+ Cheap flights from Busan (PUS) to Illinois

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — ORD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Busan to Illinois

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

This EVA 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:55 pmPUS - ORD
1 stop39h 40mEVA Air
Tue 12/2311:30 pmORD - PUS
1 stop27h 10mEVA Air
Deal found 12/10$1,449
This EVA Air 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:55 pmPUS - ORD
2 stops32h 29mMultiple Airlines
Tue 12/236:08 pmORD - PUS
2 stops32h 32mMultiple Airlines
Deal found 12/11$1,537
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1312:00 pmPUS - ORD
2 stops24h 40mDelta
Tue 12/2311:15 amORD - PUS
1 stop36h 55mDelta
Deal found 12/11$1,861
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 12/1310:25 amPUS - MDW
2 stops28h 22mDelta
Tue 12/236:08 pmMDW - PUS
2 stops34h 27mDelta
Deal found 12/10$2,524
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:20 amPUS - ORD
2 stops46h 50mMultiple Airlines
Tue 1/2711:30 pmORD - PUS
1 stop27h 10mMultiple Airlines
Deal found 12/10$2,647
This EVA 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:55 pmPUS - ORD
1 stop39h 40mEVA Air
Tue 1/2711:30 pmORD - PUS
1 stop27h 10mEVA Air
Deal found 12/10$3,017

Find flight deals from Busan to Illinois

Keep the following information in mind while searching for Busan to Illinois flight deals. Data was last updated December 12, 2025.

Round-trip from

$1,010
(Mytrip)

One-way from

$567
(Kiwi.com)
From Busan Gimhae to Illinois
Search Deals
One-way flight from Busan Gimhae to Illinois
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Busan to Illinois 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 Busan to Illinois that are best for you.

Fly from

Busan

Fly to

Illinois

Route

Depart

Return

Price

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Sat 1/24

4:10 pm-5:11 am

2 stops28h 01m

Lambert-St Louis

Sat 1/31

5:00 pm-8:45 pm

2 stops36h 45m

$1,010

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

Wed 2/4

6:55 pm-7:35 pm

1 stop39h 40m

Chicago O'Hare Intl

Sun 2/8

11:30 pm-5:40 pm

1 stop27h 10m

$1,058

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

Sat 1/24

6:55 pm-7:35 pm

1 stop39h 40m

Chicago O'Hare Intl

Sat 1/31

11:30 pm-5:40 pm

1 stop27h 10m

$1,164

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

Fri 2/13

6:55 pm-7:35 pm

1 stop39h 40m

Chicago O'Hare Intl

Tue 2/24

4:00 pm-5:40 pm

2 stops34h 40m

$1,348

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

Wed 2/4

4:10 pm-9:43 pm

2 stops20h 33m

Chicago O'Hare Intl

Sun 2/8

6:15 am-8:45 pm

2 stops23h 30m

$1,387

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

Thu 1/15

4:00 pm-12:58 am

2 stops23h 58m

Chicago O'Hare Intl

Mon 1/19

6:30 pm-11:45 am

2 stops26h 15m

$1,394

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

Fri 2/13

7:55 am-8:40 am

1 stop15h 45m

Chicago O'Hare Intl

Tue 2/24

11:25 am-8:10 am

1 stop29h 45m

$1,404

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

Fri 1/16

12:00 pm-11:53 pm

2 stops26h 53m

Chicago O'Hare Intl

Mon 1/19

7:30 am-7:35 pm

2 stops21h 05m

$1,421

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

Fri 2/13

7:55 am-11:52 pm

2 stops30h 57m

Chicago O'Hare Intl

Tue 2/24

7:40 am-7:35 pm

2 stops20h 55m

$1,421

BusanChicago

PUS - MDW

PUSMDW

Busan Gimhae

Fri 2/13

10:25 am-11:03 am

2 stops39h 38m

Chicago Midway

Tue 2/24

7:17 pm-8:45 pm

2 stops34h 28m

$1,421

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 26 results
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Best time to book a flight from Busan to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Busan 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 Busan to Illinois
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 Busan to Illinois. 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 from for flights from Busan to Illinois?

    For a flight from Busan to Illinois, you will be flying from Gimhae. Busan Gimhae (PUS) is just 7.2 mi from the center of the city.

  • How long is the flight from Busan to Illinois?

    Departing from Busan to Illinois will take you 18h 55m. There are 6740 mi between Busan and Illinois. This flight may include one or multiple stops.

  • What are the most popular routes from Busan to Illinois?

    The most popular route from Busan to Illinois is Busan Gimhae - Chicago O'Hare Intl. You may also consider Busan Gimhae - Chicago Midway or Busan Gimhae - Lambert-St Louis.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Busan to Illinois 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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