$676 Find Cheap Flights from Illinois to Jeju-do

1 adult

KAYAK searches hundreds of travel sites at once for deals on flights to Jeju-do

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Useful Info
Useful Info

Good to know

Cheapest flight$676
Flight from Chicago to Jeju City

FAQs for booking flights from Illinois to Jeju-do

  • How does KAYAK find such low prices on flights from Illinois to Jeju-do?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Jeju-do.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Jeju-do?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Illinois to Jeju-do is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Jeju-do?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Illinois to Jeju-do with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Jeju-do?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Illinois to Jeju-do up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How long is the flight to Jeju-do?

    An average nonstop flight from Illinois to Jeju-do takes 29h 42m, covering a distance of 6843 miles. The shortest route is Chicago O'Hare Intl Airport (ORD) to Jeju City (CJU) with an average flight time of 24h 20m.

  • What is the most popular destination in Jeju-do?

    Based on KAYAK flight searches, the most popular destination is Jeju City (100% of total searches to Jeju-do).

Book cheap flights from Illinois to Jeju-do

Recent round-trip flight deals

10/15Wed
1 stopCathay Pacific
24h 20mORD-CJU
10/22Wed
1 stopCathay Pacific
20h 30mCJU-ORD
$1,317
10/15Wed
2 stopsAir China
46h 15mORD-CJU
10/22Wed
2 stopsAir China
46h 05mCJU-ORD
$1,562
6/10Tue
3 stops
25h 10mORD-CJU
6/18Wed
3 stops
42h 38mCJU-ORD
$1,616
6/12Thu
2 stops
31h 05mORD-CJU
6/20Fri
2 stops
39h 45mCJU-ORD
$1,658
6/10Tue
2 stops
22h 20mORD-CJU
6/18Wed
3 stops
42h 38mCJU-ORD
$1,714
6/12Thu
1 stopCathay Pacific
24h 20mORD-CJU
6/19Thu
1 stopCathay Pacific
20h 30mCJU-ORD
$1,721
6/11Wed
1 stopCathay Pacific
24h 20mORD-CJU
6/18Wed
1 stopCathay Pacific
20h 30mCJU-ORD
$1,736
6/11Wed
3 stops
35h 00mORD-CJU
6/18Wed
3 stops
36h 51mCJU-ORD
$1,756
6/13Fri
1 stopCathay Pacific
24h 20mORD-CJU
6/20Fri
1 stopCathay Pacific
20h 30mCJU-ORD
$1,766
6/13Fri
2 stopsAir China
44h 15mORD-CJU
6/20Fri
2 stopsAir China
37h 08mCJU-ORD
$2,837

Search by stops

Search by airline

Search by price

Recent one-way flight deals

10/15Wed
2 stops
43h 30mORD-CJU
$676
10/15Wed
3 stops
40h 35mORD-CJU
$697
10/14Tue
2 stops
30h 05mORD-CJU
$879
10/15Wed
1 stopCathay Pacific
24h 20mORD-CJU
$884
10/14Tue
3 stops
31h 45mORD-CJU
$1,077
10/14Tue
1 stop
27h 00mORD-CJU
$1,180
6/13Fri
1 stopCathay Pacific
24h 20mORD-CJU
$1,214
6/13Fri
2 stopsChina Eastern
56h 52mORD-CJU
$1,241
6/12Thu
2 stops
22h 40mORD-CJU
$1,538

Search by stops

Search by airline

Search by price

Everything you need to know for your flight to Jeju-do

Cabin class types available on flights to Illinois

Cabin classes available on flights to Illinois. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.