$566+ Cheap flights from Illinois to Jeju-do
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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CJU
nov. 29 — dic. 61
1 adult, Economy
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Jeju-do
Keep the following information in mind while searching for Illinois to Jeju-do flight deals. Data was last updated octubre 30, 2025.
Round-trip from | $927 (Cathay Pacific) |
|---|---|
One-way from | $566 (Kiwi.com) |
Find flight deals from Illinois to Jeju-do
Cheapest flights from Illinois to Jeju-doExplore the most affordable flight options available from Illinois to Jeju-do. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.
Explore the most affordable flight options available from Illinois to Jeju-do. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.
This Trip.com deal was found by Cheapflights users on 10/30. 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.
sáb. 11/2911:50 amORD - CJU
3 stops58h 00mMultiple Airlines
sáb. 12/61:50 pmCJU - ORD
3 stops35h 15mMultiple Airlines
Deal found 10/30![Multiple Airlines logo]()
$1,077
This Trip.com deal was found by Cheapflights users on 10/30. 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.
sáb. 11/292:35 pmORD - CJU
1 stop25h 05mCathay Pacific
sáb. 12/67:55 amCJU - ORD
1 stop20h 00mCathay Pacific
Deal found 10/30![Cathay Pacific logo]()
$1,226
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/1512:50 pmORD - CJU
3 stops33h 00mMultiple Airlines
lun. 12/2211:40 amCJU - ORD
2 stops34h 55mMultiple Airlines
Deal found 10/30![Multiple Airlines logo]()
$1,779
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/138:00 amORD - CJU
2 stops35h 50mMultiple Airlines
sáb. 12/2010:10 amCJU - ORD
2 stops35h 19mMultiple Airlines
Deal found 10/29![Multiple Airlines logo]()
$2,054
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Jeju-do 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 30, 2025.
Use the filters below to find and compare flights from Illinois to Jeju-do that are best for you.
Fly from
Illinois
Fly to
Jeju-do
Route
Depart
Return
Price
ChicagoJeju City
ORD - CJU
ORDCJU
Chicago O'Hare Intl
lun. 3/9
3:35 pm-6:40 am
1 stop25h 05m
Jeju City
vie. 3/13
7:55 am-1:55 pm
1 stop20h 00m
$927
ChicagoJeju City
ORD - CJU
ORDCJU
Chicago O'Hare Intl
sáb. 11/29
11:50 am-12:50 pm
3 stops58h 00m
Jeju City
sáb. 12/6
1:50 pm-10:05 am
3 stops35h 15m
$1,077
ChicagoJeju City
ORD - CJU
ORDCJU
Chicago O'Hare Intl
sáb. 11/29
2:35 pm-6:40 am
1 stop25h 05m
Jeju City
sáb. 12/6
7:55 am-12:55 pm
1 stop20h 00m
$1,226
ChicagoJeju City
ORD - CJU
ORDCJU
Chicago O'Hare Intl
lun. 12/15
12:50 pm-12:50 pm
3 stops33h 00m
Jeju City
lun. 12/22
11:40 am-7:35 am
2 stops34h 55m
$1,779
ChicagoJeju City
ORD - CJU
ORDCJU
Chicago O'Hare Intl
sáb. 12/13
8:00 am-10:50 am
2 stops35h 50m
Jeju City
sáb. 12/20
10:10 am-6:29 am
2 stops35h 19m
$2,054
ChicagoJeju City
ORD - CJU
ORDCJU
Chicago O'Hare Intl
vie. 11/14
6:30 am-6:05 am
2 stops32h 35m
$566
ChicagoJeju City
ORD - CJU
ORDCJU
Chicago O'Hare Intl
vie. 11/14
2:35 pm-6:40 am
1 stop25h 05m
$816
Best time to book a flight from Illinois to Jeju-do
Have a flexible travel schedule? Discover the best time to fly to Jeju-do from Illinois 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 Illinois to Jeju-do
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