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Jeju-do

$1,240+ 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 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
Mon 4/7
Mon 4/14
1 adult, Economy
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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 April 2, 2025.

Round-trip from

$1,583
(Gurufare)

One-way from

$1,240
(Yatra.com)
From Illinois to Jeju-do
Search Deals
One-way flight from Illinois to Jeju-do
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Find flight deals from Illinois to Jeju-do

Cheapest flights from Illinois to Jeju-do
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 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$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$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$3,168

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 April 2, 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

Sun 5/11

7:19 pm-5:30 pm

2 stops32h 11m

Jeju City

Sat 5/24

12:20 pm-5:40 am

2 stops31h 20m

$1,490

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

Fri 5/16

7:59 pm-12:30 pm

2 stops50h 31m

$1,240

ChicagoJeju City

ORD - CJU

ORDCJU

Chicago O'Hare Intl

Fri 5/16

4:00 pm-6:20 am

1 stop24h 20m

$1,851

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Jeju-do

Get insights into the airlines that provide service to Jeju-do. 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-do. Reviews last updated April 2, 2025.
Cathay Pacific
7.5
Good
841 reviews

Food

7.2

Crew

8.0

Overall

7.5

Boarding

7.9

Comfort

7.6

Entertainment

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2025

BOS - HKG

It would have been nice to understand the dates of takeoff! We missed our flight and now have to pay an extra $454.00 Very stressful and not easy to check in or get information
Cathay Pacific
7.5
Good
841 reviews
Cathay Pacific
7.5
Good
841 reviews

Food

7.2

Crew

8.0

Overall

7.5

Boarding

7.9

Comfort

7.6

Entertainment

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2025

BOS - HKG

It would have been nice to understand the dates of takeoff! We missed our flight and now have to pay an extra $454.00 Very stressful and not easy to check in or get information
China Eastern
7.2
Good
143 reviews
Cathay Pacific
7.5
Good
841 reviews

Food

7.2

Crew

8.0

Overall

7.5

Boarding

7.9

Comfort

7.6

Entertainment

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2025

BOS - HKG

It would have been nice to understand the dates of takeoff! We missed our flight and now have to pay an extra $454.00 Very stressful and not easy to check in or get information

Related info for your journey

Find useful and relevant information for your journey from Illinois to Jeju-do. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Jeju-do by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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