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$809+ Cheap flights from Busan (PUS) to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — ORD
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
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Cheap flight deals from Busan to Illinois

Keep the following information in mind while searching for Busan to Illinois flight deals. Data was last updated octubre 29, 2025.

Round-trip from

$809
(Delta)
From Busan Gimhae to Illinois
Search Deals

Find 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 octubre 29, 2025.

This Asiana Airlines deal was found by Cheapflights users on 10/28. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/139:00 amPUS - ORD
2 stops28h 59mAsiana Airlines
lun. 11/174:40 pmORD - PUS
2 stops36h 05mAsiana Airlines
Deal found 10/28$1,049
This lastminute.com deal was found by Cheapflights users on 10/28. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/136:55 pmPUS - ORD
1 stop39h 40mEVA Air
lun. 11/1711:30 pmORD - PUS
1 stop27h 10mEVA Air
Deal found 10/28$1,084
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
jue. 11/132:40 pmPUS - ORD
2 stops24h 44mMultiple Airlines
lun. 11/174:25 pmORD - PUS
1 stop30h 35mMultiple Airlines
Deal found 10/28$1,162
This Delta deal was found by Cheapflights users on 10/29. 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.
jue. 11/137:00 amPUS - ORD
1 stop16h 30mDelta
lun. 11/177:20 amORD - PUS
2 stops33h 50mDelta
Deal found 10/29$1,294
This Delta deal was found by Cheapflights users on 10/29. 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.
sáb. 12/1310:25 amPUS - ORD
2 stops28h 34mDelta
mar. 12/2311:15 amORD - PUS
1 stop36h 55mDelta
Deal found 10/29$1,701
This Ticket deal was found by Cheapflights users on 10/29. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/137:00 amPUS - MDW
2 stops19h 52mKorean Air
lun. 11/176:00 amMDW - PUS
2 stops23h 45mKorean Air
Deal found 10/29$2,570

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 octubre 29, 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

jue. 4/16

7:00 am-6:02 pm

2 stops25h 02m

Lambert-St Louis

lun. 4/20

7:30 am-8:45 pm

2 stops23h 15m

$809

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

jue. 11/13

9:00 am-10:59 pm

2 stops28h 59m

Chicago O'Hare Intl

lun. 11/17

4:40 pm-7:45 pm

2 stops36h 05m

$1,049

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

jue. 11/13

6:55 pm-7:35 pm

1 stop39h 40m

Chicago O'Hare Intl

lun. 11/17

11:30 pm-5:40 pm

1 stop27h 10m

$1,084

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

jue. 11/13

2:40 pm-12:24 am

2 stops24h 44m

Chicago O'Hare Intl

lun. 11/17

4:25 pm-2:00 pm

1 stop30h 35m

$1,162

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

mié. 4/15

4:30 pm-9:58 pm

2 stops19h 28m

Chicago O'Hare Intl

dom. 4/19

9:30 am-7:35 pm

2 stops20h 05m

$1,283

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

jue. 11/13

7:00 am-8:30 am

1 stop16h 30m

Chicago O'Hare Intl

lun. 11/17

7:20 am-8:10 am

2 stops33h 50m

$1,294

BusanChicago

PUS - MDW

PUSMDW

Busan Gimhae

mié. 4/15

8:45 am-9:45 pm

2 stops27h 00m

Chicago Midway

dom. 4/19

9:20 am-7:35 pm

2 stops20h 15m

$1,295

BusanChicago

PUS - MDW

PUSMDW

Busan Gimhae

jue. 11/13

7:00 am-11:52 am

2 stops19h 52m

Chicago Midway

lun. 11/17

6:00 am-8:45 pm

2 stops23h 45m

$2,570

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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 25h 02m. 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 Midway. You may also consider Busan Gimhae - Chicago O'Hare Intl 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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