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$2,192+ Cheap flights from Cheongju (CJJ) to Chicago (CHI)

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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
CJJ — CHI
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find flight deals from Cheongju to Chicago

Cheapest flights from Cheongju to Chicago
Explore the most affordable flight options available from Cheongju to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Trip.com deal was found by Cheapflights users on 10/28. 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.
Fri 12/124:10 pmCJJ - ORD
2 stops45h 20mMultiple Airlines
Fri 12/191:09 pmORD - CJJ
2 stops42h 21mMultiple Airlines
Deal found 10/28$2,192

Cheap flight deals from Cheongju to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Cheongju (CJJ) to Chicago (CHI). 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

January

Cheapest in

November

Average price

$894
Provider with most accurate pricing for Seoul (SEL)-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul (SEL)-Chicago (CHI) flights.
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cheongju to Chicago 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 October 28, 2025.
Use the filters below to find and compare flights from Cheongju to Chicago that are best for you.

Fly from

Cheongju

Fly to

Chicago

Route

Depart

Return

Price

CheongjuChicago

CJJ - ORD

CJJORD

Cheongju

Fri 12/12

4:10 pm-10:30 pm

2 stops45h 20m

Chicago O'Hare Intl

Fri 12/19

1:09 pm-10:30 pm

2 stops42h 21m

$2,192

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Best time to book a flight from Cheongju to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Cheongju 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.

Cheapflights Insights

Everything you need to know about your flight from Cheongju to Chicago

What is the cheapest month to book a flight from Cheongju to Chicago?

Currently, August is the cheapest month in which you can book a flight from Cheongju to Chicago (average of $201). Flying from Cheongju to Chicago in July is currently the most expensive (average of $980). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Cheongju to Chicago. 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 from for flights from Cheongju to Chicago?

    Located just 5.5 mi from the city center, Cheongju is the airport most travelers will use when flying to Chicago from Cheongju. Booking flights from Cheongju (CJJ) to Chicago should be relatively easy as there are 0 daily outbound flights to Chicago from 0 different airlines.

  • Can I find deals for flights from Cheongju to Chicago that include hotel bookings?

    Yes. In addition to deals on Cheongju to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cheongju to Chicago?

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

  • Can I find deals for business class flights from Cheongju to Chicago?

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

  • What is the cheapest month to book a flight from Cheongju to Chicago?

    Currently, August is the cheapest month in which you can book a flight from Cheongju to Chicago (average of $201). Flying from Cheongju to Chicago in July is currently the most expensive (average of $980). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago?

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