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Jeju City

$903+ Cheap flights from Illinois to Jeju City (CJU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CJU
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Illinois to Jeju City

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Jeju City (CJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$903
(Gotogate)
From Illinois to Jeju City
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Find flight deals from Illinois to Jeju City

Cheapest flights from Illinois to Jeju City
Explore the most affordable flight options available from Illinois to Jeju City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Gotogate deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/42:40 pmORD - CJU
1 stop25h 00mCathay Pacific
Tue 3/117:55 amCJU - ORD
1 stop20h 05mCathay Pacific
Deal found 1/20$903
This Trip.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/32:40 pmORD - CJU
2 stops24h 25mMultiple Airlines
Mon 3/1010:40 pmCJU - ORD
2 stops29h 20mMultiple Airlines
Deal found 1/21$1,169
This Gotogate deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/43:50 pmSTL - CJU
3 stops38h 45mMultiple Airlines
Tue 3/116:55 pmCJU - STL
3 stops40h 54mMultiple Airlines
Deal found 1/21$7,806

Find flights from Illinois to Jeju City within your budget

Customize your flight search to find flights from Illinois to Jeju City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoJeju City

ORD - CJU

ORDCJU

Chicago O'Hare Intl

Tue 3/4

2:40 pm-6:40 am

1 stop25h 00m

Jeju City

Tue 3/11

7:55 am-2:00 pm

1 stop20h 05m

$903

ChicagoJeju City

ORD - CJU

ORDCJU

Chicago O'Hare Intl

Mon 3/3

2:40 pm-6:05 am

2 stops24h 25m

Jeju City

Mon 3/10

10:40 pm-2:00 pm

2 stops29h 20m

$1,169

St. LouisJeju City

STL - CJU

STLCJU

Lambert-St Louis

Tue 3/4

3:50 pm-9:35 pm

3 stops38h 45m

Jeju City

Tue 3/11

6:55 pm-9:49 pm

3 stops40h 54m

$7,806

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Best time to book a flight from Illinois to Jeju City

Have a flexible travel schedule? Discover the best time to fly to Jeju City from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Illinois to Jeju City

Get recent, data-driven insights about flights from Illinois to Jeju City including ideal travel times, pricing trends, and more.
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Jeju City

Get insights into the airlines that provide service to Jeju City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Jeju City. Reviews last updated January 21, 2025.
Cathay Pacific
7.5
Good
830 reviews

Crew

8.0

Boarding

7.8

Comfort

7.6

Overall

7.5

Food

7.3

Entertainment

7.8

Reviews

1 / 10

An airline like Cathy Pacific should not serve vegetarian meal for people who pre-booked Muslim meal. Also, the quality / variety of the meals can be improved.

Cathay Pacific
7.5
Good
830 reviews
Cathay Pacific
7.5
Good
830 reviews

Crew

8.0

Boarding

7.8

Comfort

7.6

Overall

7.5

Food

7.3

Entertainment

7.8

Reviews

1 / 10

An airline like Cathy Pacific should not serve vegetarian meal for people who pre-booked Muslim meal. Also, the quality / variety of the meals can be improved.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Jeju City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Jeju City from Illinois?

    Most people fly into Jeju City (CJU) if they book a flight to Jeju City from Illinois. Jeju is conveniently located just 1.7 mi from Jeju City’s city center.

  • Can I find deals for flights from Illinois to Jeju City that include hotel bookings?

    Yes. In addition to deals on Illinois to Jeju City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Jeju City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Jeju City.

  • Can I find deals for business class flights from Illinois to Jeju City?

    Yes. Cheapflights offers flight deals from Illinois to Jeju City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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