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Cheap flights from Illinois to Jeju City from $743

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Jeju City departing on 2/23. 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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0 bags
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Find the cheapest flights from Illinois to Jeju City

Cheap round-trip flights

These are some of the best round-trip flight deals from Illinois to Jeju City that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Illinois to Jeju City.

Cheap last minute flights

Planning a quick getaway from Illinois to Jeju City? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Jeju City, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Illinois to Jeju City

Find recent round-trip train or bus tickets from Illinois to Jeju City.

All round-trip flight deals to Jeju City

The cheapest plane tickets to Jeju City found on KAYAK recently.
2:40 pm - 6:40 amORD-CJU
25h 00m1 stop
7:55 am - 1:00 pmCJU-ORD
20h 05m1 stop
$909Cathay Pacific
Find Deal
Tue, Feb 18 - Tue, Feb 25
2:40 pm - 6:40 amORD-CJU
25h 00m1 stop
7:55 am - 1:00 pmCJU-ORD
20h 05m1 stop
$922Cathay Pacific
Find Deal
Tue, Feb 18 - Tue, Feb 25
2:40 pm - 6:40 amORD-CJU
25h 00m1 stop
7:55 am - 1:00 pmCJU-ORD
20h 05m1 stop
$1,070Cathay Pacific
Find Deal
Tue, Feb 18 - Tue, Feb 25
2:40 pm - 6:40 amORD-CJU
25h 00m1 stop
7:25 am - 5:28 amCJU-ORD
37h 03m3 stops
$1,167
Find Deal
Tue, Feb 18 - Tue, Feb 25
2:40 pm - 6:40 amORD-CJU
25h 00m1 stop
7:25 am - 5:28 amCJU-ORD
37h 03m3 stops
$1,174
Find Deal
Tue, Feb 18 - Tue, Feb 25
2:40 pm - 6:40 amORD-CJU
25h 00m1 stop
7:25 am - 5:28 amCJU-ORD
37h 03m3 stops
$1,175
Find Deal
Tue, Feb 18 - Tue, Feb 25
2:40 pm - 6:40 amORD-CJU
25h 00m1 stop
10:35 pm - 5:28 amCJU-ORD
45h 53m3 stops
$1,215
Find Deal
Thu, Feb 20 - Thu, Feb 27
2:40 pm - 6:40 amORD-CJU
25h 00m1 stop
7:55 am - 1:00 pmCJU-ORD
20h 05m1 stop
$1,222Cathay Pacific
Find Deal
Sun, Feb 23 - Sun, Mar 2
2:40 pm - 6:40 amORD-CJU
25h 00m1 stop
7:55 am - 1:00 pmCJU-ORD
20h 05m1 stop
$1,225Cathay Pacific
Find Deal
Sun, Feb 23 - Sun, Mar 2
2:10 pm - 9:05 pmORD-CJU
40h 55m2 stops
10:00 pm - 6:33 pmCJU-ORD
34h 33m2 stops
$3,210Air China
Find Deal
Fri, Jun 27 - Fri, Jul 4
7:00 pm - 12:50 pmORD-CJU
50h 50m2 stops
$743China Eastern
Find Deal
Sun, Feb 23

Cathay Pacific flights from Illinois to Jeju City

Our best Cathay Pacific deals on Illinois to Jeju City flight tickets
Cathay Pacific
Feb 18
ORD2:40 pmChicago O'Hare Intl
25h 00m
1 stop
CJU6:40 amJeju City
Feb 25
CJU7:55 amJeju City
20h 05m
1 stop
ORD1:00 pmChicago O'Hare Intl
Cathay Pacific
Feb 18
ORD2:40 pmChicago O'Hare Intl
25h 00m
1 stop
CJU6:40 amJeju City
Feb 25
CJU7:55 amJeju City
20h 05m
1 stop
ORD1:00 pmChicago O'Hare Intl
Cathay Pacific
Feb 18
ORD2:40 pmChicago O'Hare Intl
25h 00m
1 stop
CJU6:40 amJeju City
Feb 25
CJU7:55 amJeju City
20h 05m
1 stop
ORD1:00 pmChicago O'Hare Intl

See travel insights to Jeju City from

How to get the cheapest flight ticket from Illinois to Jeju City

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 day to depart on your flight to Jeju City?

The cheapest day to depart from Illinois to Jeju City is on a Thursday. Travelers who choose to depart for Jeju City on a Thursday will often find tickets for as low as $1,919. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Jeju City for around $1,919.

What is the cheapest time of day to depart on your flight to Jeju City?

In the morning is the cheapest time of day to fly from Illinois to Jeju City when you can find flight prices for as low as $1,919. Flying to Jeju City in the morning is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $1,919.

Cheap Illinois to Jeju City flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Jeju City

Best Price Found

$743

Fastest flight time

20h 05m

Direct flights

None

Airports in Jeju City

1 airport
The best one-way flight to Jeju City from Illinois in the past 72 hours is $743. The best round-trip flight deal from Illinois to Jeju City found on momondo in the last 72 hours is $909.
The fastest flight from Illinois to Jeju City takes 20h 05m
There are no direct flights from Illinois to Jeju City. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Jeju City Airport.
There is 1 airport near Jeju City: Jeju City (CJU)

  • When did momondo last update prices for flights from Illinois to Jeju City Airport?

    Prices for flights from Illinois to Jeju City Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Illinois 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 Illinois 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.


Why use momondo?

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

It is quick and easy to find Illinois to Jeju City flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Jeju City that suits you.

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

Flights from Illinois 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 Illinois to Jeju City?

Once all potential Illinois to Jeju City 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 Illinois to Jeju City right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Illinois to Jeju City flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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