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Cheongju

$610+ Cheap flights from Chicago (CHI) to Cheongju (CJJ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — CJJ
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
1 adult, Economy
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Cheap flight deals from Chicago to Cheongju

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Cheongju (CJJ). 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 August 2, 2025.

Popular in

December

Cheapest in

January

Average price

$1,414
Highest demand for flights based on searches. 2% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Chicago to Cheongju

One-way flights from Chicago to Cheongju
Search for one-way flight options from Chicago to Cheongju. Find affordable one-way fares based on user searches. Data last updated August 2, 2025.

This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/74:00 pmORD - CJJ
1 stop24h 45mCathay Pacific
Deal found 7/31$610

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Cheongju 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 August 2, 2025.
Use the filters below to find and compare flights from Chicago to Cheongju that are best for you.

Fly from

Chicago

Fly to

Cheongju

Route

Depart

Return

Price

ChicagoCheongju

ORD - CJJ

ORDCJJ

Chicago O'Hare Intl

Sun 9/7

4:00 pm-6:45 am

1 stop24h 45m

$610

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Best time to book a flight from Chicago to Cheongju

Have a flexible travel schedule? Discover the best time to fly to Cheongju from Chicago 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 Chicago to Cheongju
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Cheongju

Get insights into the airlines that provide service to Cheongju. 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 Cheongju. Reviews last updated August 2, 2025.
Peruse reviews from past customers who have flown with Cathay Pacific from Chicago to Cheongju to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
951 reviews

Overall

7.6

Comfort

7.6

Crew

8.1

Boarding

7.9

Entertainment

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Douglas,Jun 2025

MNL - HKG

Flight attendant was very helpful in finding something simple to eat as opposed to a full meal. I appreciated her efforts to make it a comfortable flight.
Cathay Pacific
7.6
Good
951 reviews
Cathay Pacific
7.6
Good
951 reviews

Overall

7.6

Comfort

7.6

Crew

8.1

Boarding

7.9

Entertainment

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Douglas,Jun 2025

MNL - HKG

Flight attendant was very helpful in finding something simple to eat as opposed to a full meal. I appreciated her efforts to make it a comfortable flight.

Related info for your journey

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

    Cheongju (CJJ), located 5.5 mi from the city center, is the airport you fly into when you book flights from Chicago to Cheongju. 0 airlines have flights to Cheongju from Chicago on a regular basis. Booking flights from Chicago to Cheongju should not be difficult; the airport handles an average of 0 inbound flights from Chicago per day.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago to Cheongju 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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