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Cheap flights from Chicago to Jeju-do from $607

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 to Jeju-do departing on 8/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Chicago to Jeju-do

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
4:00 pm - 6:30 amORD  Chicago O'Hare Intl-CJU Jeju City
24h 30m1 stop Hong Kong Intl
Cathay Pacific Logo
7:30 am - 1:55 pmCJU  Jeju City-ORD Chicago O'Hare Intl
20h 25m1 stop Hong Kong Intl
$1,245Cathay Pacific
Thu, Sep 10 - Wed, Sep 16
Multiple Airlines Logo
12:30 am - 5:55 pmORD  Chicago O'Hare Intl-CJU Jeju City
27h 25m2 stops Taipei City Taiwan Taoyuan Intl Busan Gimhae
Multiple Airlines Logo
8:45 am - 8:45 pmCJU  Jeju City-ORD Chicago O'Hare Intl
26h 00m2 stops Busan Gimhae Taipei City Taiwan Taoyuan Intl
$1,320Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
12:30 am - 8:20 pmORD  Chicago O'Hare Intl-CJU Jeju City
29h 50m2 stops Taipei City Taiwan Taoyuan Intl Busan Gimhae
Multiple Airlines Logo
2:50 pm - 8:45 pmCJU  Jeju City-ORD Chicago O'Hare Intl
43h 55m2 stops Busan Gimhae Taipei City Taiwan Taoyuan Intl
$1,333Multiple Airlines
Fri, Sep 25 - Sat, Oct 3
Multiple Airlines Logo
12:30 am - 8:20 pmORD  Chicago O'Hare Intl-CJU Jeju City
29h 50m2 stops Taipei City Taiwan Taoyuan Intl Busan Gimhae
Multiple Airlines Logo
2:50 pm - 8:45 pmCJU  Jeju City-ORD Chicago O'Hare Intl
43h 55m2 stops Busan Gimhae Taipei City Taiwan Taoyuan Intl
$1,334Multiple Airlines
Fri, Sep 25 - Sat, Oct 3
Multiple Airlines Logo
12:30 am - 8:20 pmORD  Chicago O'Hare Intl-CJU Jeju City
29h 50m2 stops Taipei City Taiwan Taoyuan Intl Busan Gimhae
Multiple Airlines Logo
8:45 am - 8:45 pmCJU  Jeju City-ORD Chicago O'Hare Intl
26h 00m2 stops Busan Gimhae Taipei City Taiwan Taoyuan Intl
$1,416Multiple Airlines
Sat, Sep 26 - Sun, Oct 4
Multiple Airlines Logo
12:30 am - 6:15 pmORD  Chicago O'Hare Intl-CJU Jeju City
27h 45m2 stops Taipei City Taiwan Taoyuan Intl Busan Gimhae
Multiple Airlines Logo
8:45 am - 8:45 pmCJU  Jeju City-ORD Chicago O'Hare Intl
26h 00m2 stops Busan Gimhae Taipei City Taiwan Taoyuan Intl
$1,429Multiple Airlines
Sat, Sep 26 - Sun, Oct 4
Multiple Airlines Logo
12:30 am - 6:50 pmORD  Chicago O'Hare Intl-CJU Jeju City
28h 20m2 stops Taipei City Taiwan Taoyuan Intl Busan Gimhae
Multiple Airlines Logo
8:45 am - 8:45 pmCJU  Jeju City-ORD Chicago O'Hare Intl
26h 00m2 stops Busan Gimhae Taipei City Taiwan Taoyuan Intl
$1,440Multiple Airlines
Sat, Sep 26 - Sun, Oct 4
Multiple Airlines Logo
4:00 pm - 6:30 amORD  Chicago O'Hare Intl-CJU Jeju City
24h 30m1 stop Hong Kong Intl
Multiple Airlines Logo
9:30 pm - 2:43 pmCJU  Jeju City-ORD Chicago O'Hare Intl
31h 13m2 stops Hong Kong Intl Vancouver Intl
$1,446Multiple Airlines
Thu, Sep 10 - Wed, Sep 16
Multiple Airlines Logo
12:30 am - 10:15 pmORD  Chicago O'Hare Intl-CJU Jeju City
31h 45m2 stops Taipei City Taiwan Taoyuan Intl Busan Gimhae
Multiple Airlines Logo
2:50 pm - 8:45 pmCJU  Jeju City-ORD Chicago O'Hare Intl
43h 55m2 stops Busan Gimhae Taipei City Taiwan Taoyuan Intl
$1,528Multiple Airlines
Wed, Sep 23 - Thu, Oct 1
Multiple Airlines Logo
6:00 am - 5:30 pmORD  Chicago O'Hare Intl-CJU Jeju City
45h 30m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
12:20 pm - 5:40 amCJU  Jeju City-ORD Chicago O'Hare Intl
31h 20m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
$1,551Multiple Airlines
Sun, Sep 27 - Sun, Oct 4

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Cathay Pacific flights from Chicago to Jeju-do

Our best Cathay Pacific deals on Chicago to Jeju-do flight tickets
Cathay Pacific
Sep 10
ORD4:00 pmChicago O'Hare Intl
24h 30m
1 stop
CJU6:30 amJeju City
Sep 16
CJU7:30 amJeju City
20h 25m
1 stop
ORD1:55 pmChicago O'Hare Intl
$1,245
Cathay Pacific
Dec 17
ORD2:35 pmChicago O'Hare Intl
25h 05m
1 stop
CJU6:40 amJeju City
Dec 26
CJU7:45 amJeju City
20h 10m
1 stop
ORD12:55 pmChicago O'Hare Intl
$2,928
Cathay Pacific
Dec 17
ORD2:35 pmChicago O'Hare Intl
25h 05m
1 stop
CJU6:40 amJeju City
Dec 26
CJU7:45 amJeju City
20h 10m
1 stop
ORD12:55 pmChicago O'Hare Intl
$3,238

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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, momondo users made 832,500 searches. Data last updated August 13, 2026.
Use the filters below to find and compare flights from Chicago to Jeju-do that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoJeju City

ORD Chicago O'Hare Intl - CJU Jeju City

ORDCJU

Chicago O'Hare Intl

Thu 9/10

4:00 pm-6:30 am

1 stop24h 30m

Jeju City

Wed 9/16

7:30 am-1:55 pm

1 stop20h 25m

$1,245

ChicagoJeju City

ORD Chicago O'Hare Intl - CJU Jeju City

ORDCJU

Chicago O'Hare Intl

Wed 9/9

12:30 am-5:55 pm

2 stops27h 25m

Jeju City

Wed 9/16

8:45 am-8:45 pm

2 stops26h 00m

$1,320

ChicagoJeju City

ORD Chicago O'Hare Intl - CJU Jeju City

ORDCJU

Chicago O'Hare Intl

Fri 9/25

12:30 am-8:20 pm

2 stops29h 50m

Jeju City

Sat 10/3

2:50 pm-8:45 pm

2 stops43h 55m

$1,333

ChicagoJeju City

ORD Chicago O'Hare Intl - CJU Jeju City

ORDCJU

Chicago O'Hare Intl

Fri 9/25

12:30 am-8:20 pm

2 stops29h 50m

Jeju City

Sat 10/3

2:50 pm-8:45 pm

2 stops43h 55m

$1,334

ChicagoJeju City

ORD Chicago O'Hare Intl - CJU Jeju City

ORDCJU

Chicago O'Hare Intl

Sat 9/26

12:30 am-8:20 pm

2 stops29h 50m

Jeju City

Sun 10/4

8:45 am-8:45 pm

2 stops26h 00m

$1,416

ChicagoJeju City

ORD Chicago O'Hare Intl - CJU Jeju City

ORDCJU

Chicago O'Hare Intl

Sat 9/26

12:30 am-6:15 pm

2 stops27h 45m

Jeju City

Sun 10/4

8:45 am-8:45 pm

2 stops26h 00m

$1,429

ChicagoJeju City

ORD Chicago O'Hare Intl - CJU Jeju City

ORDCJU

Chicago O'Hare Intl

Sat 9/26

12:30 am-6:50 pm

2 stops28h 20m

Jeju City

Sun 10/4

8:45 am-8:45 pm

2 stops26h 00m

$1,440

ChicagoJeju City

ORD Chicago O'Hare Intl - CJU Jeju City

ORDCJU

Chicago O'Hare Intl

Thu 9/10

4:00 pm-6:30 am

1 stop24h 30m

Jeju City

Wed 9/16

9:30 pm-2:43 pm

2 stops31h 13m

$1,446

ChicagoJeju City

ORD Chicago O'Hare Intl - CJU Jeju City

ORDCJU

Chicago O'Hare Intl

Wed 9/23

12:30 am-10:15 pm

2 stops31h 45m

Jeju City

Thu 10/1

2:50 pm-8:45 pm

2 stops43h 55m

$1,528

ChicagoJeju City

ORD Chicago O'Hare Intl - CJU Jeju City

ORDCJU

Chicago O'Hare Intl

Sun 9/27

6:00 am-5:30 pm

2 stops45h 30m

Jeju City

Sun 10/4

12:20 pm-5:40 am

2 stops31h 20m

$1,551

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Chicago to Jeju-do

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Chicago to Jeju-do?

Cathay Pacific is the most popular carrier operating from Chicago to Jeju-do

Cheap Chicago to Jeju-do flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Jeju-do

Fastest flight time

24h 30m

Direct flights

None
The fastest flight from Chicago to Jeju-do takes 24h 30m
There are no direct flights from Chicago to Jeju-do. There are no popular flight routes from Chicago to Jeju-do.
Search flight deals

Frequently asked questions about flying from Chicago to Jeju-do

  • When did momondo last update prices for flights from Chicago to Jeju-do?

    Prices for flights from Chicago to Jeju-do refresh daily.

  • How old do you have to be to fly from Chicago to Jeju-do?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Jeju-do.

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

    The necessary travel and health documents for your Jeju-do trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

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

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

Flights from Chicago to Jeju-do 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-do?

Once all potential Chicago to Jeju-do flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Jeju-do 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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