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Jeju City

$556+ 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CJU
Jul 1 — Jul 81
Tue 7/1
Tue 7/8
1 adult, Economy
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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 June 26, 2025.

Round-trip from

$1,267
(Trip.com)

One-way from

$556
(Kiwi.com)
From Illinois to Jeju City
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One-way flight from Illinois to Jeju City
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Find flight deals from Illinois to Jeju City

Cheapest flights from Illinois to Jeju City
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 June 26, 2025.

This Trip.com deal was found by Cheapflights users on 6/25. 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.
Sat 8/91:03 pmORD - CJU
2 stops30h 22mMultiple Airlines
Sat 8/1610:30 amCJU - ORD
2 stops45h 48mMultiple Airlines
Deal found 6/25$1,304
This Gotogate deal was found by Cheapflights users on 6/25. 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.
Fri 8/84:00 pmORD - CJU
1 stop24h 20mCathay Pacific
Fri 8/157:55 amCJU - ORD
1 stop20h 30mCathay Pacific
Deal found 6/25$1,993

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 June 26, 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

Sat 8/9

1:03 pm-9:25 am

2 stops30h 22m

Jeju City

Sat 8/16

10:30 am-6:18 pm

2 stops45h 48m

$1,304

ChicagoJeju City

ORD - CJU

ORDCJU

Chicago O'Hare Intl

Fri 8/8

4:00 pm-6:20 am

1 stop24h 20m

Jeju City

Fri 8/15

7:55 am-2:25 pm

1 stop20h 30m

$1,993

ChicagoJeju City

ORD - CJU

ORDCJU

Chicago O'Hare Intl

Sat 7/12

9:27 pm-6:00 pm

3 stops54h 33m

$556

ChicagoJeju City

ORD - CJU

ORDCJU

Chicago O'Hare Intl

Fri 8/15

4:00 pm-6:20 am

1 stop24h 20m

$602

ChicagoJeju City

ORD - CJU

ORDCJU

Chicago O'Hare Intl

Fri 8/8

8:52 am-9:05 pm

2 stops46h 13m

$981

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

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 June 26, 2025.
See what other customers who have flown with Cathay Pacific and Air China from Illinois to Jeju City have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
911 reviews

Entertainment

7.8

Boarding

7.9

Crew

8.0

Overall

7.6

Comfort

7.6

Food

7.3

Reviews

1 / 20
6.0
Good

Steve,Jun 2025

DFW - HKG

Very rude stewardess lied about the food then argued about it very unprofessional
Cathay Pacific
7.6
Good
911 reviews
Cathay Pacific
7.6
Good
911 reviews

Entertainment

7.8

Boarding

7.9

Crew

8.0

Overall

7.6

Comfort

7.6

Food

7.3

Reviews

1 / 20
6.0
Good

Steve,Jun 2025

DFW - HKG

Very rude stewardess lied about the food then argued about it very unprofessional
Air China
7.2
Good
92 reviews
Cathay Pacific
7.6
Good
911 reviews

Entertainment

7.8

Boarding

7.9

Crew

8.0

Overall

7.6

Comfort

7.6

Food

7.3

Reviews

1 / 20
6.0
Good

Steve,Jun 2025

DFW - HKG

Very rude stewardess lied about the food then argued about it very unprofessional

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.

  • What airport do you fly into for flights to Jeju City from Illinois?

    Most people fly into Jeju City (CJU) if they book a flight to Jeju City from Illinois. Jeju is conveniently located just 1.7 mi from Jeju City’s city center.

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

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

  • How can I find direct flights from Illinois to Jeju City?

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

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

    Yes. Cheapflights offers flight deals from Illinois to Jeju City 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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