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>

$809 CHEAP FLIGHTS from Illinois to Jeju City

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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

One-way

Recent round-trip flight deals from Illinois to Jeju City

Mon, Aug 4 - Mon, Aug 11

8:50 am - 6:20 amORD-CJU

31h 30m2 stops

7:55 am - 4:51 amCJU-ORD

34h 56m2 stops

$1,195

Find Deal

Wed, Aug 6 - Wed, Aug 13

7:20 am - 6:20 amORD-CJU

33h 00m2 stops

7:55 am - 4:51 amCJU-ORD

34h 56m2 stops

$1,205

Find Deal

Wed, Aug 6 - Wed, Aug 13

7:20 am - 3:00 pmORD-CJU

41h 40m3 stops

1:40 pm - 5:18 amCJU-ORD

29h 38m3 stops

$1,322

Find Deal

Mon, Aug 4 - Mon, Aug 11

7:48 pm - 6:10 pmORD-CJU

32h 22m3 stops

1:40 pm - 5:18 amCJU-ORD

29h 38m3 stops

$1,324

Find Deal

Tue, Aug 5 - Wed, Aug 13

12:30 am - 6:20 amORD-CJU

39h 50m2 stops

7:55 am - 9:10 pmCJU-ORD

27h 15m2 stops

$1,545

Find Deal

Tue, Aug 5 - Tue, Aug 12

4:00 pm - 6:20 amORD-CJU

24h 20m1 stop

2:15 pm - 2:25 pmCJU-ORD

38h 10m1 stop

$1,866Cathay Pacific

Find Deal

Tue, Aug 5 - Tue, Aug 12

4:00 pm - 6:20 amORD-CJU

24h 20m1 stop

2:15 pm - 2:25 pmCJU-ORD

38h 10m1 stop

$1,888Cathay Pacific

Find Deal

Sun, Dec 14 - Sat, Dec 20

11:05 am - 10:05 amORD-CJU

32h 00m1 stop

6:55 pm - 8:30 amCJU-ORD

28h 35m1 stop

$2,415Korean Air

Find Deal

Tue, Aug 5 - Tue, Aug 12

8:52 am - 9:05 pmORD-CJU

46h 13m2 stops

10:15 pm - 8:11 pmCJU-ORD

35h 56m2 stops

$3,972Air China

Find Deal

Mon, Aug 4 - Mon, Aug 11

4:50 pm - 9:05 pmORD-CJU

38h 15m2 stops

10:00 pm - 11:30 pmCJU-ORD

39h 30m2 stops

$5,916Air China

Find Deal

Useful Info

Cheapest flight	$809

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.

Everything you need to know for your flight to Jeju City

Airports

Cabin class

Complete your trip

Direct Flights

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

Jeju City (CJU)

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CJU

$809 Find Cheap Flights from Illinois to Jeju City

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

Cheap Flights from Illinois to Jeju City

Recent round-trip flight deals from Illinois to Jeju City

Recent one-way 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.

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