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.

$725 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.

9:55 am - 9:55 pm

ORD

CJJ

22h 00m

2 stops

9:30 am - 7:48 pm

CJJ

ORD

24h 18m

2 stops

$1,092Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

8:10 pm - 4:40 pm

ORD

CJJ

30h 30m

2 stops

10:30 am - 9:40 am

CJJ

ORD

61h 10m

2 stops

$1,135Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

11:50 am - 9:55 pm

ORD

CJJ

20h 05m

1 stop

4:15 pm - 2:17 pm

CJJ

ORD

36h 02m

2 stops

$1,241Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

11:50 am - 1:05 pm

ORD

CJJ

35h 15m

1 stop

4:15 pm - 2:17 pm

CJJ

ORD

36h 02m

2 stops

$1,250Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

7:11 am - 9:55 pm

ORD

CJJ

24h 44m

2 stops

7:20 am - 8:12 pm

CJJ

ORD

26h 52m

2 stops

$1,262Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

9:55 am - 9:55 pm

ORD

CJJ

22h 00m

2 stops

9:30 am - 8:12 pm

CJJ

ORD

24h 42m

2 stops

$1,265Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

9:55 am - 9:55 pm

ORD

CJJ

22h 00m

2 stops

7:20 am - 7:48 pm

CJJ

ORD

26h 28m

2 stops

$1,270Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

9:55 am - 9:55 pm

ORD

CJJ

22h 00m

2 stops

9:30 am - 8:12 pm

CJJ

ORD

24h 42m

2 stops

$1,282Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

9:55 am - 9:55 pm

ORD

CJJ

22h 00m

2 stops

9:30 am - 8:12 pm

CJJ

ORD

24h 42m

2 stops

$1,311Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

8:40 am - 9:55 pm

ORD

CJJ

23h 15m

2 stops

7:20 am - 8:12 pm

CJJ

ORD

26h 52m

2 stops

$1,322Multiple Airlines

Mon, Sep 7 - Mon, Sep 14

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Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ChicagoCheongju

ORD - CJJ

ORDCJJ

Chicago O'Hare Intl

Wed 9/9

9:55 am-9:55 pm

2 stops22h 00m

Cheongju

Wed 9/16

9:30 am-7:48 pm

2 stops24h 18m

$1,092

ChicagoCheongju

ORD - CJJ

ORDCJJ

Chicago O'Hare Intl

Tue 9/8

8:10 pm-4:40 pm

2 stops30h 30m

Cheongju

Tue 9/15

10:30 am-9:40 am

2 stops61h 10m

$1,135

ChicagoCheongju

ORD - CJJ

ORDCJJ

Chicago O'Hare Intl

Tue 9/8

11:50 am-9:55 pm

1 stop20h 05m

Cheongju

Tue 9/15

4:15 pm-2:17 pm

2 stops36h 02m

$1,241

ChicagoCheongju

ORD - CJJ

ORDCJJ

Chicago O'Hare Intl

Tue 9/8

11:50 am-1:05 pm

1 stop35h 15m

Cheongju

Tue 9/15

4:15 pm-2:17 pm

2 stops36h 02m

$1,250

ChicagoCheongju

ORD - CJJ

ORDCJJ

Chicago O'Hare Intl

Wed 9/9

7:11 am-9:55 pm

2 stops24h 44m

Cheongju

Wed 9/16

7:20 am-8:12 pm

2 stops26h 52m

$1,262

ChicagoCheongju

ORD - CJJ

ORDCJJ

Chicago O'Hare Intl

Wed 9/9

9:55 am-9:55 pm

2 stops22h 00m

Cheongju

Wed 9/16

9:30 am-8:12 pm

2 stops24h 42m

$1,265

ChicagoCheongju

ORD - CJJ

ORDCJJ

Chicago O'Hare Intl

Wed 9/9

9:55 am-9:55 pm

2 stops22h 00m

Cheongju

Wed 9/16

7:20 am-7:48 pm

2 stops26h 28m

$1,270

ChicagoCheongju

ORD - CJJ

ORDCJJ

Chicago O'Hare Intl

Wed 9/9

9:55 am-9:55 pm

2 stops22h 00m

Cheongju

Wed 9/16

9:30 am-8:12 pm

2 stops24h 42m

$1,282

ChicagoCheongju

ORD - CJJ

ORDCJJ

Chicago O'Hare Intl

Wed 9/9

9:55 am-9:55 pm

2 stops22h 00m

Cheongju

Wed 9/16

9:30 am-8:12 pm

2 stops24h 42m

$1,311

ChicagoCheongju

ORD - CJJ

ORDCJJ

Chicago O'Hare Intl

Mon 9/7

8:40 am-9:55 pm

2 stops23h 15m

Cheongju

Mon 9/14

7:20 am-8:12 pm

2 stops26h 52m

$1,322

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted 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, Delta and EVA Air 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 35% 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	30h 30m
Direct flights	None

The fastest flight from Chicago to Cheongju takes 30h 30m

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 30h 30m.
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.