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>

$604 CHEAP FLIGHTS from Illinois to Jeju City

CJU

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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

Fri, Aug 15 - Fri, Aug 22

4:00 pm - 6:20 amORD-CJU

24h 20m1 stop

9:15 pm - 6:14 pmCJU-ORD

34h 59m3 stops

$1,360

Find Deal

Fri, Aug 15 - Fri, Aug 22

4:00 pm - 6:20 amORD-CJU

24h 20m1 stop

9:45 pm - 6:14 pmCJU-ORD

34h 29m3 stops

$1,371

Find Deal

Thu, Aug 14 - Thu, Aug 21

7:05 am - 8:30 pmORD-CJU

47h 25m3 stops

8:15 am - 6:14 pmCJU-ORD

47h 59m3 stops

$1,387

Find Deal

Thu, Aug 14 - Thu, Aug 21

7:09 pm - 4:35 pmORD-CJU

31h 26m3 stops

6:15 pm - 6:14 pmCJU-ORD

37h 59m3 stops

$1,391

Find Deal

Thu, Aug 14 - Thu, Aug 21

7:05 am - 8:45 pmORD-CJU

47h 40m3 stops

6:15 pm - 6:14 pmCJU-ORD

37h 59m3 stops

$1,394

Find Deal

Thu, Aug 14 - Thu, Aug 21

7:05 am - 8:30 pmORD-CJU

47h 25m3 stops

9:15 pm - 6:14 pmCJU-ORD

34h 59m3 stops

$1,401

Find Deal

Fri, Aug 15 - Fri, Aug 22

7:05 am - 6:20 amORD-CJU

33h 15m2 stops

9:15 pm - 6:14 pmCJU-ORD

34h 59m3 stops

$1,404

Find Deal

Thu, Aug 14 - Thu, Aug 21

7:09 pm - 4:35 pmORD-CJU

31h 26m3 stops

9:15 pm - 6:14 pmCJU-ORD

34h 59m3 stops

$1,407

Find Deal

Fri, Aug 15 - Fri, Aug 22

7:05 am - 6:20 amORD-CJU

33h 15m2 stops

9:15 pm - 6:14 pmCJU-ORD

34h 59m3 stops

$1,415

Find Deal

Wed, Aug 13 - Thu, Aug 21

12:30 am - 6:20 amORD-CJU

39h 50m2 stops

7:55 am - 9:10 pmCJU-ORD

51h 15m2 stops

$1,426

Find Deal

Useful Info

Cheapest flight	$604

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

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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

$604 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