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>

$994 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

$994

Cathay Pacific

Thu 3/5Thu 3/19

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

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Jeju City that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Round-trip

Last minute

Recent round-trip flight deals from Illinois to Jeju City

Thu, Mar 5 - Thu, Mar 19

2:35 pm - 7:10 pm

ORD

CJU

37h 35m

1 stop

7:55 am - 1:55 pm

CJU

ORD

20h 00m

1 stop

$994Cathay Pacific

Tue, Mar 3 - Tue, Mar 10

2:35 pm - 6:40 am

ORD

CJU

25h 05m

1 stop

7:55 am - 1:55 pm

CJU

ORD

20h 00m

1 stop

$1,033Cathay Pacific

Wed, Mar 4 - Wed, Mar 11

2:35 pm - 6:40 am

ORD

CJU

25h 05m

1 stop

7:55 am - 1:55 pm

CJU

ORD

20h 00m

1 stop

$1,154Cathay 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

Wed, Mar 4 - Wed, Mar 11

7:15 am - 10:10 am

ORD

CJU

35h 55m

3 stops

7:15 pm - 2:16 pm

CJU

ORD

33h 01m

3 stops

$1,305Multiple Airlines

Wed, Mar 4 - Wed, Mar 11

10:35 am - 7:45 am

ORD

CJU

30h 10m

2 stops

5:55 pm - 2:16 pm

CJU

ORD

34h 21m

3 stops

$1,362Multiple Airlines

Wed, Mar 4 - Wed, Mar 11

2:35 pm - 6:40 am

ORD

CJU

25h 05m

1 stop

6:20 pm - 2:16 pm

CJU

ORD

33h 56m

3 stops

$1,378Multiple Airlines

Wed, Mar 4 - Wed, Mar 11

2:35 pm - 6:40 am

ORD

CJU

25h 05m

1 stop

11:25 am - 2:16 pm

CJU

ORD

40h 51m

2 stops

$1,380Multiple Airlines

Tue, Mar 3 - Tue, Mar 10

2:35 pm - 7:10 pm

ORD

CJU

37h 35m

1 stop

7:55 am - 8:35 pm

CJU

ORD

26h 40m

2 stops

$1,391Multiple Airlines

Sat, May 9 - Fri, May 15

12:30 am - 6:20 am

ORD

CJU

39h 50m

2 stops

7:30 am - 9:00 pm

CJU

ORD

27h 30m

2 stops

$1,393Multiple Airlines

Useful Info

Cheapest flight	$994

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

$994 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

Recent last minute 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