How does KAYAK find such low prices on flights from Illinois to Jeju City?

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 City. Visit our flight page for the latest deals!>/a>

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Jeju City from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Jeju City?

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 to Jeju City with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

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

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 to Jeju City from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$1,052 CHEAP FLIGHTS from Illinois to Jeju City

CJU

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

...and more

Travelers love KAYAK

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

Save 23% 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.

Cheapest round-trip

$1,052

Cathay Pacific

Fri 3/6Fri 3/13

ORD - CJU • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Jeju City!

Flight Deals

Cheap Flights from Illinois to Jeju City

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

Recent round-trip flight deals from Illinois to Jeju City

Fri, Mar 6 - Fri, Mar 13

2:35 pm - 6:40 am

ORD

CJU

25h 05m

1 stop

7:55 am - 1:55 pm

CJU

ORD

20h 00m

1 stop

$1,052Cathay Pacific

Sun, Mar 8 - Sun, Mar 15

3:35 pm - 6:40 am

ORD

CJU

25h 05m

1 stop

7:55 am - 1:55 pm

CJU

ORD

20h 00m

1 stop

$1,084Cathay Pacific

Sat, Mar 7 - Sat, Mar 14

2:35 pm - 6:40 am

ORD

CJU

25h 05m

1 stop

7:55 am - 1:55 pm

CJU

ORD

20h 00m

1 stop

$1,115Cathay Pacific

Sun, Mar 8 - Sat, Mar 14

3:35 pm - 6:40 am

ORD

CJU

25h 05m

1 stop

7:55 am - 1:55 pm

CJU

ORD

20h 00m

1 stop

$1,159Cathay Pacific

Fri, Mar 6 - Fri, Mar 13

2:35 pm - 7:10 pm

ORD

CJU

37h 35m

1 stop

7:55 am - 8:35 pm

CJU

ORD

26h 40m

2 stops

$1,343Multiple Airlines

Sat, Mar 7 - Sat, Mar 14

2:35 pm - 6:40 am

ORD

CJU

25h 05m

1 stop

7:55 am - 8:35 pm

CJU

ORD

26h 40m

2 stops

$1,346Multiple Airlines

Sat, Mar 7 - Sat, Mar 14

2:35 pm - 6:40 am

ORD

CJU

25h 05m

1 stop

4:20 pm - 1:55 pm

CJU

ORD

35h 35m

3 stops

$1,452Multiple Airlines

Wed, May 13 - Fri, May 15

8:45 am - 8:00 am

ORD

CJU

33h 15m

3 stops

12:20 pm - 6:46 am

CJU

ORD

32h 26m

3 stops

$1,455Multiple Airlines

Tue, May 12 - Fri, May 15

1:30 am - 7:20 pm

ORD

CJU

27h 50m

3 stops

7:30 am - 9:00 pm

CJU

ORD

27h 30m

2 stops

$1,473Multiple Airlines

Sun, Mar 8 - Sun, Mar 15

3:35 pm - 7:10 pm

ORD

CJU

37h 35m

1 stop

4:45 pm - 1:55 pm

CJU

ORD

35h 10m

3 stops

$1,484Multiple Airlines

Useful Info

Cheapest flight	$1,052

Flight from Chicago to Jeju City

How does KAYAK find such low prices on flights from Illinois to Jeju City?
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 City.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Jeju City?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Jeju City from Illinois 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 City?
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 to Jeju City with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Jeju City?
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 to Jeju City from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Seogwipo

Everything you need to know for your flight to Jeju City

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Information on the airport you'll fly into in Jeju City

Jeju City (CJU)

CJU

$1,084 Find Cheap Flights from Illinois to Jeju City

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

Everything you should know

Cheap Flights from Illinois to Jeju City

Recent round-trip flight deals from Illinois to Jeju City

Good to know

FAQs for booking flights from Illinois to Jeju City

How does KAYAK find such low prices on flights from Illinois to Jeju City?

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 City.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Jeju City from Illinois 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 City?

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 to Jeju City with an airline and back to Illinois with another airline.

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

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 to Jeju City from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Jeju City?

Everything you need to know for your flight to Jeju City

Information on the airport you'll fly into in Jeju City

Cabin class types available on flights to Illinois

Complete your trip to Jeju City with a hotel stay or car rental

Find direct flights for Jeju City

Flights to other popular destinations

Flights from domestic origins to Jeju City

Choose which airport to fly into in Jeju City