Cheap flights from Chicago O'Hare Intl Airport to Jeju City from $553

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Jeju City departing on 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago O'Hare Intl Airport to Jeju City

Cheap round-trip flights

Cathay Pacific Logo
3:40 pm - 6:40 amORD-CJU
25h 00m1 stop
Cathay Pacific Logo
7:55 am - 2:00 pmCJU-ORD
20h 05m1 stop
$1,038Cathay Pacific
Find Deal
Mon, Mar 9 - Fri, Mar 13
Cathay Pacific Logo
3:35 pm - 6:40 amORD-CJU
25h 05m1 stop
Cathay Pacific Logo
7:55 am - 1:55 pmCJU-ORD
20h 00m1 stop
$1,039Cathay Pacific
Find Deal
Mon, Mar 9 - Fri, Mar 13
Cathay Pacific Logo
3:35 pm - 6:40 amORD-CJU
25h 05m1 stop
Cathay Pacific Logo
7:55 am - 12:55 pmCJU-ORD
20h 00m1 stop
$1,084Cathay Pacific
Find Deal
Fri, Oct 31 - Fri, Nov 7
Multiple Airlines Logo
3:40 pm - 8:30 amORD-CJU
26h 50m3 stops
Multiple Airlines Logo
7:45 pm - 2:41 pmCJU-ORD
33h 56m2 stops
$1,415Multiple Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
Multiple Airlines Logo
3:25 pm - 10:50 amORD-CJU
29h 25m2 stops
Multiple Airlines Logo
10:10 am - 7:35 pmCJU-ORD
24h 25m1 stop
$1,445Multiple Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
Multiple Airlines Logo
12:30 am - 9:25 pmORD-CJU
30h 55m2 stops
Multiple Airlines Logo
7:55 am - 7:35 pmCJU-ORD
26h 40m2 stops
$1,487Multiple Airlines
Find Deal
Thu, Oct 30 - Fri, Nov 7
Multiple Airlines Logo
3:35 pm - 6:40 amORD-CJU
25h 05m1 stop
Multiple Airlines Logo
7:55 am - 12:55 pmCJU-ORD
20h 00m1 stop
$1,534Multiple Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
Multiple Airlines Logo
12:30 am - 6:05 amORD-CJU
39h 35m1 stop
Multiple Airlines Logo
7:55 am - 7:35 pmCJU-ORD
26h 40m2 stops
$1,599Multiple Airlines
Find Deal
Thu, Oct 30 - Fri, Nov 7
Multiple Airlines Logo
12:30 am - 5:25 pmORD-CJU
26h 55m1 stop
Multiple Airlines Logo
12:05 pm - 7:35 pmCJU-ORD
22h 30m1 stop
$1,632Multiple Airlines
Find Deal
Thu, Oct 30 - Fri, Nov 7
Multiple Airlines Logo
12:30 am - 6:05 amORD-CJU
39h 35m1 stop
Multiple Airlines Logo
7:55 am - 7:35 pmCJU-ORD
26h 40m2 stops
$1,650Multiple Airlines
Find Deal
Fri, Oct 31 - Sat, Nov 8

Cathay Pacific flights from Chicago O'Hare Intl Airport to Jeju City

Our best Cathay Pacific deals on Chicago O'Hare Intl Airport to Jeju City flight tickets
Cathay Pacific
Mar 9
ORD3:40 pmChicago O'Hare Intl
25h 00m
1 stop
CJU6:40 amJeju City
Mar 13
CJU7:55 amJeju City
20h 05m
1 stop
ORD2:00 pmChicago O'Hare Intl
Cathay Pacific
Mar 9
ORD3:35 pmChicago O'Hare Intl
25h 05m
1 stop
CJU6:40 amJeju City
Mar 13
CJU7:55 amJeju City
20h 00m
1 stop
ORD1:55 pmChicago O'Hare Intl
Cathay Pacific
Oct 31
ORD3:35 pmChicago O'Hare Intl
25h 05m
1 stop
CJU6:40 amJeju City
Nov 7
CJU7:55 amJeju City
20h 00m
1 stop
ORD12:55 pmChicago O'Hare Intl

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Jeju City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoJeju City

ORD - CJU

ORDCJU

Chicago O'Hare Intl

Mon 3/9

3:40 pm-6:40 am

1 stop25h 00m

Jeju City

Fri 3/13

7:55 am-2:00 pm

1 stop20h 05m

$1,038

ChicagoJeju City

ORD - CJU

ORDCJU

Chicago O'Hare Intl

Mon 3/9

3:35 pm-6:40 am

1 stop25h 05m

Jeju City

Fri 3/13

7:55 am-1:55 pm

1 stop20h 00m

$1,039

ChicagoJeju City

ORD - CJU

ORDCJU

Chicago O'Hare Intl

Fri 10/31

3:35 pm-6:40 am

1 stop25h 05m

Jeju City

Fri 11/7

7:55 am-12:55 pm

1 stop20h 00m

$1,084

ChicagoJeju City

ORD - CJU

ORDCJU

Chicago O'Hare Intl

Sat 11/1

3:40 pm-8:30 am

3 stops26h 50m

Jeju City

Sat 11/8

7:45 pm-2:41 pm

2 stops33h 56m

$1,415

ChicagoJeju City

ORD - CJU

ORDCJU

Chicago O'Hare Intl

Sat 11/1

3:25 pm-10:50 am

2 stops29h 25m

Jeju City

Sat 11/8

10:10 am-7:35 pm

1 stop24h 25m

$1,445

ChicagoJeju City

ORD - CJU

ORDCJU

Chicago O'Hare Intl

Thu 10/30

12:30 am-9:25 pm

2 stops30h 55m

Jeju City

Fri 11/7

7:55 am-7:35 pm

2 stops26h 40m

$1,487

ChicagoJeju City

ORD - CJU

ORDCJU

Chicago O'Hare Intl

Sat 11/1

3:35 pm-6:40 am

1 stop25h 05m

Jeju City

Sat 11/8

7:55 am-12:55 pm

1 stop20h 00m

$1,534

ChicagoJeju City

ORD - CJU

ORDCJU

Chicago O'Hare Intl

Thu 10/30

12:30 am-6:05 am

1 stop39h 35m

Jeju City

Fri 11/7

7:55 am-7:35 pm

2 stops26h 40m

$1,599

ChicagoJeju City

ORD - CJU

ORDCJU

Chicago O'Hare Intl

Thu 10/30

12:30 am-5:25 pm

1 stop26h 55m

Jeju City

Fri 11/7

12:05 pm-7:35 pm

1 stop22h 30m

$1,632

ChicagoJeju City

ORD - CJU

ORDCJU

Chicago O'Hare Intl

Fri 10/31

12:30 am-6:05 am

1 stop39h 35m

Jeju City

Sat 11/8

7:55 am-7:35 pm

2 stops26h 40m

$1,650

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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When to book flights from Chicago O'Hare Intl Airport to Jeju City

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Jeju City according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Jeju City (ORD to CJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Jeju City

Direct flights

None
There are no direct flights from Chicago O'Hare Intl Airport to Jeju City. There are no popular flight routes from Chicago O'Hare Intl Airport to Jeju City.
  • How far is Chicago O'Hare Intl to Jeju City by plane?

    Chicago O'Hare Intl and Jeju City are 6777.7 mi apart from one another. 25h 00m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Jeju City Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Jeju City Airport are updated daily.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Jeju City Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Jeju City Airport.

  • What documentation or ID do you need to fly to Jeju City Airport?

    The travel and health documents you'll need for your trip to Jeju City Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Jeju City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Jeju City?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Chicago O'Hare Intl Airport from Jeju City. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Chicago O'Hare Intl Airport to Jeju City with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Jeju City?

Book flights to Jeju City if you plan to visit one of these locations
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Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Jeju City?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Jeju City. momondo saves you time and could save you money on your trip.

Can I find flights from Chicago to Jeju City with flexible booking policies on momondo?

Flights from Chicago to Jeju City with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago to Jeju City?

Once you have performed a search for Chicago to Jeju City flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Chicago to Jeju City right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Jeju City from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Fri 10/17
Fri 10/24

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