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

Prices for flights from Chicago to Cheongju Airport are updated daily.

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

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 Chicago to Cheongju Airport.

What documentation or ID do you need to fly to Cheongju Airport?

The necessary travel and health documents for your Cheongju Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$2,078 Cheap Flights from Chicago to Cheongju in 2026

Find the cheapest flights from Chicago to Seoul

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:30 am - 7:05 am

ORD

CJJ

40h 35m

1 stop

4:35 pm - 9:40 am

CJJ

ORD

55h 05m

2 stops

$2,078Multiple Airlines

Wed, Jul 29 - Thu, Aug 6

12:30 am - 4:40 pm

ORD

CJJ

26h 10m

1 stop

10:30 am - 9:10 pm

CJJ

ORD

24h 40m

1 stop

$2,085Multiple Airlines

Thu, Jul 30 - Fri, Aug 7

8:45 am - 9:55 pm

ORD

CJJ

23h 10m

2 stops

9:30 am - 8:05 pm

CJJ

ORD

24h 35m

2 stops

$2,087Multiple Airlines

Thu, Jul 30 - Thu, Aug 6

12:30 am - 8:45 pm

ORD

CJJ

30h 15m

2 stops

8:15 am - 9:10 pm

CJJ

ORD

26h 55m

2 stops

$2,112Multiple Airlines

Wed, Jul 8 - Wed, Jul 15

12:30 am - 11:00 pm

ORD

CJJ

32h 30m

2 stops

10:30 am - 9:10 pm

CJJ

ORD

24h 40m

1 stop

$2,170Multiple Airlines

Thu, Jul 30 - Fri, Aug 7

12:30 am - 8:45 pm

ORD

CJJ

30h 15m

2 stops

8:15 am - 9:10 pm

CJJ

ORD

26h 55m

2 stops

$2,207Multiple Airlines

Wed, Jul 8 - Wed, Jul 15

10:40 am - 9:55 pm

ORD

CJJ

21h 15m

1 stop

12:10 pm - 7:45 am

CJJ

ORD

33h 35m

2 stops

$2,251Multiple Airlines

Thu, Jul 9 - Wed, Jul 15

10:40 am - 9:55 pm

ORD

CJJ

21h 15m

1 stop

9:30 am - 9:10 pm

CJJ

ORD

25h 40m

2 stops

$2,262Multiple Airlines

Thu, Jul 9 - Wed, Jul 15

10:40 am - 12:20 pm

ORD

CJJ

35h 40m

3 stops

10:30 am - 1:22 pm

CJJ

ORD

40h 52m

3 stops

$2,309Multiple Airlines

Thu, Jul 9 - Wed, Jul 15

10:40 am - 12:20 pm

ORD

CJJ

35h 40m

3 stops

12:10 pm - 7:45 am

CJJ

ORD

33h 35m

2 stops

$2,346Multiple Airlines

Thu, Jul 9 - Wed, Jul 15

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoCheongju

ORD - CJJ

ORDCJJ

Chicago O'Hare Intl

Wed 7/29

12:30 am-7:05 am

1 stop40h 35m

Cheongju

Thu 8/6

4:35 pm-9:40 am

2 stops55h 05m

$2,078

ChicagoCheongju

ORD - CJJ

ORDCJJ

Chicago O'Hare Intl

Thu 7/30

12:30 am-4:40 pm

1 stop26h 10m

Cheongju

Fri 8/7

10:30 am-9:10 pm

1 stop24h 40m

$2,085

ChicagoCheongju

ORD - CJJ

ORDCJJ

Chicago O'Hare Intl

Thu 7/30

8:45 am-9:55 pm

2 stops23h 10m

Cheongju

Thu 8/6

9:30 am-8:05 pm

2 stops24h 35m

$2,087

ChicagoCheongju

ORD - CJJ

ORDCJJ

Chicago O'Hare Intl

Wed 7/8

12:30 am-8:45 pm

2 stops30h 15m

Cheongju

Wed 7/15

8:15 am-9:10 pm

2 stops26h 55m

$2,112

ChicagoCheongju

ORD - CJJ

ORDCJJ

Chicago O'Hare Intl

Thu 7/30

12:30 am-11:00 pm

2 stops32h 30m

Cheongju

Fri 8/7

10:30 am-9:10 pm

1 stop24h 40m

$2,170

ChicagoCheongju

ORD - CJJ

ORDCJJ

Chicago O'Hare Intl

Wed 7/8

12:30 am-8:45 pm

2 stops30h 15m

Cheongju

Wed 7/15

8:15 am-9:10 pm

2 stops26h 55m

$2,207

ChicagoCheongju

ORD - CJJ

ORDCJJ

Chicago O'Hare Intl

Thu 7/9

10:40 am-9:55 pm

1 stop21h 15m

Cheongju

Wed 7/15

12:10 pm-7:45 am

2 stops33h 35m

$2,251

Quickest round-trip

ChicagoCheongju

ORD - CJJ

ORDCJJ

Chicago O'Hare Intl

Thu 7/9

10:40 am-9:55 pm

1 stop21h 15m

Cheongju

Wed 7/15

9:30 am-9:10 pm

2 stops25h 40m

$2,262

ChicagoCheongju

ORD - CJJ

ORDCJJ

Chicago O'Hare Intl

Thu 7/9

10:40 am-12:20 pm

3 stops35h 40m

Cheongju

Wed 7/15

10:30 am-1:22 pm

3 stops40h 52m

$2,309

ChicagoCheongju

ORD - CJJ

ORDCJJ

Chicago O'Hare Intl

Thu 7/9

10:40 am-12:20 pm

3 stops35h 40m

Cheongju

Wed 7/15

12:10 pm-7:45 am

2 stops33h 35m

$2,346

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Chicago to Cheongju

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 airlines fly to Cheongju?

Korean Air, EVA Air and Delta are the top three most popular airlines that fly to Cheongju from Chicago according to our data. Korean Air is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Cheongju. Keep in mind that there are 11 different airlines that fly to Cheongju on a routine basis, so you have a few additional options to choose from.

When to book flights from Chicago to Cheongju

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

Estimated round-trip price

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

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

Fastest flight time	21h 15m
Direct flights	None

The fastest flight from Chicago to Cheongju takes 21h 15m

There are no direct flights from Chicago to Cheongju. There are no popular flight routes from Chicago to Cheongju.

Search flight deals

Frequently asked questions about flying from Chicago to Cheongju

How far is Chicago to Cheongju by plane?
The distance between Chicago and Cheongju is about 6572.1 mi. In terms of flight time, this usually takes a little over 21h 15m.
When did momondo last update prices for flights from Chicago to Cheongju Airport?
Prices for flights from Chicago to Cheongju Airport are updated daily.
How old do you have to be to fly from Chicago to Cheongju Airport?
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 Chicago to Cheongju Airport.
What documentation or ID do you need to fly to Cheongju Airport?
The necessary travel and health documents for your Cheongju Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

It is quick and easy to find Chicago to Cheongju flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Cheongju that suits you.

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

Yes. momondo allows you to filter the results for Chicago to Cheongju flights to just show those with flexible booking policies.

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

Once all potential Chicago to Cheongju flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Chicago to Cheongju flights. All you need is a valid email address and we will do the rest; it is that quick and easy.