$1,043 Cheap Flights from Jeju (CJU) to Chicago (ORD)

View $1,043 flight on Wed, Apr 8, 2026Opens in a new window

Popular airlines from Jeju Intl. Airport (CJU) to Chicago O'Hare Intl. Airport (ORD)

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Cheap Flights from Jeju to Chicago (CJU-ORD)

Prices were available within the past 7 days and start at $1,043 for one-way flights and $1,704 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Tue, Aug 25 - Sat, Aug 29
CJU
Jeju City
ORD
Chicago
$1,704 Roundtrip, found 2 days ago
$1,704
Roundtrip
found 2 days ago
Select Cathay Pacific flight, departing Tue, Aug 25 from Jeju City to Chicago, returning Sat, Aug 29, priced at $1,704 found 2 days ago
Cathay Pacific
Tue, Aug 25 - Sat, Aug 29
CJU
Jeju City
ORD
Chicago
$1,859 Roundtrip, found 2 days ago
$1,859
Roundtrip
found 2 days ago
Select Cathay Pacific flight, departing Tue, Aug 25 from Jeju City to Chicago, returning Sat, Aug 29, priced at $1,859 found 2 days ago
Cathay Pacific
Tue, Aug 25 - Sat, Aug 29
CJU
Jeju City
ORD
Chicago
$2,035 Roundtrip, found 2 days ago
$2,035
Roundtrip
found 2 days ago
Select Cathay Pacific flight, departing Tue, Aug 25 from Jeju City to Chicago, returning Sat, Aug 29, priced at $2,035 found 2 days ago
Asiana Airlines
Tue, Aug 25 - Sat, Aug 29
CJU
Jeju City
ORD
Chicago
$2,203 Roundtrip, found 2 days ago
$2,203
Roundtrip
found 2 days ago
Select Asiana Airlines flight, departing Tue, Aug 25 from Jeju City to Chicago, returning Sat, Aug 29, priced at $2,203 found 2 days ago
Asiana Airlines
Tue, Aug 25 - Sat, Aug 29
CJU
Jeju City
ORD
Chicago
$2,340 Roundtrip, found 2 days ago
$2,340
Roundtrip
found 2 days ago
Select Asiana Airlines flight, departing Tue, Aug 25 from Jeju City to Chicago, returning Sat, Aug 29, priced at $2,340 found 2 days ago
Cathay Pacific
Tue, Aug 25 - Sat, Aug 29
CJU
Jeju City
ORD
Chicago
$2,346 Roundtrip, found 2 days ago
$2,346
Roundtrip
found 2 days ago
Select Cathay Pacific flight, departing Tue, Aug 25 from Jeju City to Chicago, returning Sat, Aug 29, priced at $2,346 found 2 days ago
Cathay Pacific
Tue, Aug 25 - Sat, Aug 29
CJU
Jeju City
ORD
Chicago
$2,447 Roundtrip, found 2 days ago
$2,447
Roundtrip
found 2 days ago
Select Cathay Pacific flight, departing Tue, Aug 25 from Jeju City to Chicago, returning Sat, Aug 29, priced at $2,447 found 2 days ago
Cathay Pacific
Tue, Aug 25 - Sat, Aug 29
CJU
Jeju City
ORD
Chicago
$2,561 Roundtrip, found 2 days ago
$2,561
Roundtrip
found 2 days ago
Select Cathay Pacific flight, departing Tue, Aug 25 from Jeju City to Chicago, returning Sat, Aug 29, priced at $2,561 found 2 days ago
Asiana Airlines
Tue, Aug 25 - Sat, Aug 29
CJU
Jeju City
ORD
Chicago
$3,002 Roundtrip, found 2 days ago
$3,002
Roundtrip
found 2 days ago
Select Asiana Airlines flight, departing Tue, Aug 25 from Jeju City to Chicago, returning Sat, Aug 29, priced at $3,002 found 2 days ago
China Eastern Airlines
Tue, Aug 25 - Sat, Aug 29
CJU
Jeju City
ORD
Chicago
$4,569 Roundtrip, found 2 days ago
$4,569
Roundtrip
found 2 days ago
Select China Eastern Airlines flight, departing Tue, Aug 25 from Jeju City to Chicago, returning Sat, Aug 29, priced at $4,569 found 2 days ago

Frequently asked questions

How much does a flight from Jeju Intl. Airport (CJU) to O'Hare Intl. Airport (ORD) cost?
Lock in a cheap one-way flight from $1,043 or cheap return flight from $1,704 from Jeju Intl. Airport (CJU) to O'Hare Intl. Airport (ORD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Jeju Intl. Airport (CJU) to O'Hare Intl. Airport (ORD)?
Flying in August can help you save, as it's the cheapest month for flights between CJU and ORD. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Jeju Intl. Airport (CJU) to O'Hare Intl. Airport (ORD)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest CJU to ORD flight.
How many flights per day from Jeju Intl. Airport (CJU) to O'Hare Intl. Airport (ORD)?
You'll have to book a flight with a layover if you're traveling from Jeju Intl. Airport (CJU) to O'Hare Intl. Airport (ORD). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from CJU to ORD?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Jeju Intl. Airport (CJU) to O'Hare Intl. Airport (ORD)?
To avoid potential delays on the Jeju Intl. Airport (CJU) to O'Hare Intl. Airport (ORD) route, travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Jeju Intl. Airport (CJU) to O'Hare Intl. Airport (ORD) last-minute?
Holding off until right before your break to book a ticket from CJU to ORD often results in higher prices. While you may come across some last-minute offers, there's no guarantee. Keep your travel plans flexible for the best chance of scoring a bargain.
Is it cheaper to book a CJU to ORD flight and hotel package?
Compared with arranging flights and hotels separately, booking a CJU to ORD flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place will take the hassle out of travel planning. Just secure your flights and select from our wide range of stays, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Jeju Intl. Airport (CJU) to O'Hare Intl. Airport (ORD)?
If you booked your CJU to ORD flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

Travel information

Origin airport
Jeju Intl.
Destination airport
O'Hare Intl.
Roundtrip price
$1,703
Distance
6783 mi

Book with confidence

Jeju to Chicago Flights

The cheapest times to fly from Jeju to Chicago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Jeju to Chicago are during the month of August. You can find some of the cheapest flights from Jeju to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Jeju to Chicago

Sunday is one of the best days to book for cheap flights from Jeju to Chicago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Jeju to Chicago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Jeju to Chicago in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,043 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Jeju to Chicago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Jeju to Chicago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Jeju to Chicago Flights

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*Available to One Key members.