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Cheap flights from Cheongju to Chicago from $1,428

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Cheongju to Chicago departing on 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Cheongju to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:15 pm - 3:59 pmCJJ  Cheongju-ORD Chicago O'Hare Intl
37h 44m2 stops Tokyo Narita Houston George Bush Intcntl
Multiple Airlines Logo
11:50 am - 1:05 pmORD  Chicago O'Hare Intl-CJJ Cheongju
35h 15m1 stop Tokyo Narita
$1,428Multiple Airlines
Fri, Sep 4 - Thu, Sep 10
Korean Air Logo
4:30 pm - 9:30 amCJJ  Cheongju-ORD Chicago O'Hare Intl
31h 00m2 stops Jeju City Seoul Gimpo Intl
Korean Air Logo
12:15 pm - 8:40 amORD  Chicago O'Hare Intl-CJJ Cheongju
30h 25m2 stops Incheon Intl Jeju City
$1,649Korean Air
Mon, Oct 26 - Thu, Oct 29
Multiple Airlines Logo
10:30 am - 11:59 pmCJJ  Cheongju-ORD Chicago O'Hare Intl
27h 29m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
Multiple Airlines Logo
11:50 am - 1:05 pmORD  Chicago O'Hare Intl-CJJ Cheongju
35h 15m1 stop Tokyo Narita
$1,716Multiple Airlines
Sat, Sep 19 - Sat, Sep 26
Multiple Airlines Logo
8:55 pm - 8:45 pmCJJ  Cheongju-ORD Chicago O'Hare Intl
37h 50m2 stops Da Nang Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
11:50 am - 9:55 pmORD  Chicago O'Hare Intl-CJJ Cheongju
20h 05m1 stop Tokyo Narita
$1,790Multiple Airlines
Sat, Sep 5 - Fri, Sep 11
Multiple Airlines Logo
10:30 am - 11:59 pmCJJ  Cheongju-ORD Chicago O'Hare Intl
27h 29m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
Multiple Airlines Logo
12:30 am - 6:05 amORD  Chicago O'Hare Intl-CJJ Cheongju
39h 35m1 stop Taipei City Taiwan Taoyuan Intl
$1,809Multiple Airlines
Wed, Sep 16 - Tue, Sep 22
Multiple Airlines Logo
9:30 am - 7:52 pmCJJ  Cheongju-ORD Chicago O'Hare Intl
24h 22m2 stops Tokyo Narita Toronto Pearson Intl
Multiple Airlines Logo
8:40 am - 9:55 pmORD  Chicago O'Hare Intl-CJJ Cheongju
23h 15m2 stops Montreal Pierre Elliott Trudeau Intl Tokyo Narita
$1,849Multiple Airlines
Mon, Aug 17 - Thu, Aug 20
Multiple Airlines Logo
11:50 am - 9:30 amCJJ  Cheongju-ORD Chicago O'Hare Intl
35h 40m3 stops Shanghai Pu Dong Hanoi Noibai Incheon Intl
Multiple Airlines Logo
12:30 am - 8:40 pmORD  Chicago O'Hare Intl-CJJ Cheongju
30h 10m2 stops Taipei City Taiwan Taoyuan Intl Fukuoka
$1,859Multiple Airlines
Sat, Sep 5 - Thu, Sep 10
Multiple Airlines Logo
11:50 am - 9:30 amCJJ  Cheongju-ORD Chicago O'Hare Intl
35h 40m3 stops Shanghai Pu Dong Hanoi Noibai Incheon Intl
Multiple Airlines Logo
12:30 am - 9:00 pmORD  Chicago O'Hare Intl-CJJ Cheongju
30h 30m3 stops Taipei City Taiwan Taoyuan Intl Busan Gimhae Jeju City
$1,879Multiple Airlines
Sat, Sep 5 - Thu, Sep 10
Multiple Airlines Logo
11:50 am - 9:30 amCJJ  Cheongju-ORD Chicago O'Hare Intl
35h 40m3 stops Shanghai Pu Dong Hanoi Noibai Incheon Intl
Multiple Airlines Logo
12:30 am - 4:40 pmORD  Chicago O'Hare Intl-CJJ Cheongju
26h 10m1 stop Taipei City Taiwan Taoyuan Intl
$1,883Multiple Airlines
Sat, Sep 5 - Thu, Sep 10
Multiple Airlines Logo
9:30 am - 8:05 pmCJJ  Cheongju-ORD Chicago O'Hare Intl
24h 35m2 stops Tokyo Narita Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
12:30 am - 10:00 pmORD  Chicago O'Hare Intl-CJJ Cheongju
31h 30m2 stops Taipei City Taiwan Taoyuan Intl Fukuoka
$1,885Multiple Airlines
Fri, Sep 4 - Wed, Sep 9

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Korean Air flights from Cheongju to Chicago

Our best Korean Air deals on Cheongju to Chicago flight tickets
Korean Air
Oct 26
CJJ4:30 pmCheongju
31h 00m
2 stops
ORD9:30 amChicago O'Hare Intl
Oct 29
ORD12:15 pmChicago O'Hare Intl
30h 25m
2 stops
CJJ8:40 amCheongju
$1,649
Korean Air
Oct 26
CJJ6:20 pmCheongju
53h 10m
2 stops
ORD9:30 amChicago O'Hare Intl
Oct 29
ORD12:15 pmChicago O'Hare Intl
30h 25m
2 stops
CJJ8:40 amCheongju
$5,116

momondo 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, momondo users made 832,500 searches. Data last updated August 7, 2026.
Use the filters below to find and compare flights from Cheongju to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CheongjuChicago

CJJ Cheongju - ORD Chicago O'Hare Intl

CJJORD

Cheongju

Fri 9/4

4:15 pm-3:59 pm

2 stops37h 44m

Chicago O'Hare Intl

Thu 9/10

11:50 am-1:05 pm

1 stop35h 15m

$1,428

CheongjuChicago

CJJ Cheongju - ORD Chicago O'Hare Intl

CJJORD

Cheongju

Mon 10/26

4:30 pm-9:30 am

2 stops31h 00m

Chicago O'Hare Intl

Thu 10/29

12:15 pm-8:40 am

2 stops30h 25m

$1,649

CheongjuChicago

CJJ Cheongju - ORD Chicago O'Hare Intl

CJJORD

Cheongju

Sat 9/19

10:30 am-11:59 pm

2 stops27h 29m

Chicago O'Hare Intl

Sat 9/26

11:50 am-1:05 pm

1 stop35h 15m

$1,716

CheongjuChicago

CJJ Cheongju - ORD Chicago O'Hare Intl

CJJORD

Cheongju

Sat 9/5

8:55 pm-8:45 pm

2 stops37h 50m

Chicago O'Hare Intl

Fri 9/11

11:50 am-9:55 pm

1 stop20h 05m

$1,790

CheongjuChicago

CJJ Cheongju - ORD Chicago O'Hare Intl

CJJORD

Cheongju

Wed 9/16

10:30 am-11:59 pm

2 stops27h 29m

Chicago O'Hare Intl

Tue 9/22

12:30 am-6:05 am

1 stop39h 35m

$1,809
Quickest round-trip

CheongjuChicago

CJJ Cheongju - ORD Chicago O'Hare Intl

CJJORD

Cheongju

Mon 8/17

9:30 am-7:52 pm

2 stops24h 22m

Chicago O'Hare Intl

Thu 8/20

8:40 am-9:55 pm

2 stops23h 15m

$1,849

CheongjuChicago

CJJ Cheongju - ORD Chicago O'Hare Intl

CJJORD

Cheongju

Sat 9/5

11:50 am-9:30 am

3 stops35h 40m

Chicago O'Hare Intl

Thu 9/10

12:30 am-8:40 pm

2 stops30h 10m

$1,859

CheongjuChicago

CJJ Cheongju - ORD Chicago O'Hare Intl

CJJORD

Cheongju

Sat 9/5

11:50 am-9:30 am

3 stops35h 40m

Chicago O'Hare Intl

Thu 9/10

12:30 am-9:00 pm

3 stops30h 30m

$1,879

CheongjuChicago

CJJ Cheongju - ORD Chicago O'Hare Intl

CJJORD

Cheongju

Sat 9/5

11:50 am-9:30 am

3 stops35h 40m

Chicago O'Hare Intl

Thu 9/10

12:30 am-4:40 pm

1 stop26h 10m

$1,883

CheongjuChicago

CJJ Cheongju - ORD Chicago O'Hare Intl

CJJORD

Cheongju

Fri 9/4

9:30 am-8:05 pm

2 stops24h 35m

Chicago O'Hare Intl

Wed 9/9

12:30 am-10:00 pm

2 stops31h 30m

$1,885

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Cheongju to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as $1,288. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Cheongju to Chicago for around $1,818.

When to book flights from Cheongju to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Cheongju to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Cheongju to Chicago (CJJ to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cheongju to Chicago

Fastest flight time

37h 44m

Direct flights

None
The fastest flight from Cheongju to Chicago takes 37h 44m
There are no direct flights from Cheongju to Chicago. There are no popular flight routes from Cheongju to Chicago.
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Frequently asked questions about flying from Cheongju to Chicago

  • How far is Cheongju to Chicago by plane?

    Chicago is 6572.1 mi away from Cheongju. A reasonable flight in good conditions will take 37h 44m.

  • When did momondo last update prices for flights from Cheongju Airport to Chicago?

    Prices for flights from Cheongju Airport to Chicago are refreshed on a daily basis.

  • How old do you have to be to fly from Cheongju Airport to Chicago?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cheongju Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Portage
Benton Harbor
Lansing
Saint Joseph
Valparaiso
Schererville
Munster
Chesterton
Monticello
Crown Point
Porter
Griffith
Saint John

Why use momondo?

Why should I use momondo to find a flight deal from Cheongju to Chicago?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Cheongju to Chicago for you.

Can I find flights from Cheongju to Chicago with flexible booking policies on momondo?

Flights from Cheongju to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Cheongju to Chicago?

momondo provides multiple filters to help you find the best flight to Chicago from Cheongju. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Cheongju to Chicago right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Cheongju to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport