Cheap Flights from Illinois to Jeju City

Q: 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!

Q: 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!

Q: 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!

Q: 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!

Low season	March	Best time to beat the crowds with an average 10% drop in price.
High season	July	Most popular time to fly with an average 53% increase in price.
Average price round-trip	$767	(avg. price over the last 2 weeks)
Good deal round-trip	$484	or less
Good deal one-way	$403	or less

FAQs for booking flights from Illinois to Jeju City

How does KAYAK find such low prices 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?

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

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

COVID-19 information

Safety measures for airlines flying from Illinois to Jeju City

Airlines flying from Illinois to Jeju City have enacted additional safety measures and adjusted policies to better accommodate travelers. Policies vary by airline.

Heightened sanitation

Daily cleaning, installation of cabin HEPA filters on flights from Illinois to Jeju City

Mandatory masks

Masks required on board, masks provided on flights from Illinois to Jeju City

Social distancing seating

Middle seats unavailable to book on flights from Illinois to Jeju City

Pre-flight testing

Testing for antibodies, testing for symptoms for flights from Illinois to Jeju City

Flexible cancellations

Waiving of change fees. Search flexible flights from Illinois to Jeju City

Book cheap flights from Illinois to Jeju City

Round-trip flight deals

multi-stop

Multiple Airlines

6160 mi

LAX - CJU

multi-stop

Multiple Airlines

6160 mi

CJU - LAX

Check prices

multi-stop

Multiple Airlines

7978 mi

MIA - CJU

multi-stop

Multiple Airlines

7978 mi

CJU - MIA

Check prices

Show more results

Search by stops

1 stop 2+ stops

One-way flight deals

multi-stop

Multiple Airlines

6160 mi

LAX - CJU

Check prices

multi-stop

Multiple Airlines

7978 mi

MIA - CJU

Check prices

Show more results

Search by stops

1 stop 2+ stops

Flights to Jeju City

Destination:

Jeju City (CJU) South Korea

Cabin classes:

First

Business

Prem Econ

$686

Economy

Browse origins:

$1,124

Chicago

$1,598

St. Louis

Browse destinations:

$1,124

Jeju City

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CJU

Find cheap flights from Illinois to Jeju City

Search hundreds of travel sites at once for deals on flights to Jeju City. Bundle your flight + hotel and save!

Good to know

Low season

High season

Average price round-trip

Good deal round-trip

Good deal one-way

FAQs for booking flights from Illinois to Jeju City

How does KAYAK find such low prices 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?

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

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

Safety measures for airlines flying from Illinois to Jeju City

Book cheap flights from Illinois to Jeju City

Round-trip flight deals

Search by stops

One-way flight deals

Search by stops

Flights to Jeju City