$1,240+ Cheap flights from Illinois to Jeju City (CJU)
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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CJU
Apr 7 — Apr 141
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 City
Keep the following information in mind while searching for Illinois to Jeju City flight deals. Data was last updated April 2, 2025.
Round-trip from | $1,583 (Gurufare) |
|---|---|
One-way from | $1,240 (Yatra.com) |
Find flight deals from Illinois to Jeju City
Cheapest flights from Illinois to Jeju CityExplore the most affordable flight options available from Illinois to Jeju City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.
Explore the most affordable flight options available from Illinois to Jeju City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.
This Gurufare deal was found by Cheapflights users on 4/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/114:00 pmORD - CJU
1 stop24h 20mCathay Pacific
Sat 5/247:55 amCJU - ORD
1 stop20h 30mCathay Pacific
Deal found 4/1![Cathay Pacific logo]()
$1,583
This Trip.com deal was found by Cheapflights users on 4/1. 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.
Wed 5/1412:30 amORD - CJU
2 stops39h 50mMultiple Airlines
Thu 5/227:55 amCJU - ORD
2 stops51h 05mMultiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$1,585
This Ovago deal was found by Cheapflights users on 4/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1512:54 pmORD - CJU
2 stops42h 11mAir China
Fri 8/2210:00 pmCJU - ORD
2 stops36h 03mAir China
Deal found 4/1![Air China logo]()
$3,168
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Jeju City 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 April 2, 2025.
Use the filters below to find and compare flights from Illinois to Jeju City that are best for you.
Fly from
Illinois
Fly to
Jeju City
Route
Depart
Return
Price
ChicagoJeju City
ORD - CJU
ORDCJU
Chicago O'Hare Intl
Sun 5/11
4:00 pm-6:20 am
1 stop24h 20m
Jeju City
Sat 5/24
7:55 am-2:25 pm
1 stop20h 30m
$1,583
ChicagoJeju City
ORD - CJU
ORDCJU
Chicago O'Hare Intl
Wed 5/14
12:30 am-6:20 am
2 stops39h 50m
Jeju City
Thu 5/22
7:55 am-9:00 pm
2 stops51h 05m
$1,585
ChicagoJeju City
ORD - CJU
ORDCJU
Chicago O'Hare Intl
Fri 8/15
12:54 pm-9:05 pm
2 stops42h 11m
Jeju City
Fri 8/22
10:00 pm-8:03 pm
2 stops36h 03m
$3,168
ChicagoJeju City
ORD - CJU
ORDCJU
Chicago O'Hare Intl
Fri 5/16
7:59 pm-12:30 pm
2 stops50h 31m
$1,240
ChicagoJeju City
ORD - CJU
ORDCJU
Chicago O'Hare Intl
Sat 5/17
4:00 pm-6:20 am
1 stop24h 20m
$1,844
ChicagoJeju City
ORD - CJU
ORDCJU
Chicago O'Hare Intl
Sat 5/17
6:30 am-9:15 pm
2 stops48h 45m
$1,962
Best time to book a flight from Illinois to Jeju City
Have a flexible travel schedule? Discover the best time to fly to Jeju City 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 City
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Jeju City
Get insights into the airlines that provide service to Jeju City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Jeju City. Reviews last updated April 2, 2025.
Boarding
7.9
Comfort
7.6
Food
7.2
Entertainment
7.7
Crew
8.0
Overall
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2025
BOS - HKG
Boarding
7.9
Comfort
7.6
Food
7.2
Entertainment
7.7
Crew
8.0
Overall
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2025
BOS - HKG
Boarding
7.9
Comfort
7.6
Food
7.2
Entertainment
7.7
Crew
8.0
Overall
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2025
BOS - HKG
Related info for your journey
Find useful and relevant information for your journey from Illinois to Jeju City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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