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

Prices for flights from Cheongju Airport to Illinois were last updated today.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cheongju Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The necessary travel and health documents for your Illinois 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.

$1,720 Cheap Flights from Cheongju to Illinois in 2026

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0 bags

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Find the cheapest flights from Cheongju to Illinois

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:20 am - 9:00 pm

CJJ

ORD

27h 40m

2 stops

12:30 am - 9:55 pm

ORD

CJJ

31h 25m

2 stops

$1,720Multiple Airlines

Mon, Jun 15 - Sun, Jun 21

6:35 am - 9:00 pm

CJJ

ORD

28h 25m

2 stops

12:30 am - 8:40 pm

ORD

CJJ

30h 10m

2 stops

$2,071Multiple Airlines

Fri, Jun 19 - Thu, Jun 25

7:20 am - 9:59 am

CJJ

ORD

40h 39m

3 stops

12:30 am - 7:45 pm

ORD

CJJ

29h 15m

2 stops

$2,252Multiple Airlines

Mon, Jun 15 - Sun, Jun 21

7:20 am - 2:55 pm

CJJ

ORD

21h 35m

1 stop

11:50 am - 9:55 pm

ORD

CJJ

20h 05m

1 stop

$2,370Multiple Airlines

Mon, Jun 15 - Mon, Jun 22

10:30 am - 9:00 pm

CJJ

ORD

24h 30m

1 stop

8:05 pm - 4:40 pm

ORD

CJJ

30h 35m

2 stops

$2,372Multiple Airlines

Thu, Jun 18 - Thu, Jun 25

7:40 am - 9:00 pm

CJJ

ORD

27h 20m

2 stops

12:30 am - 6:05 am

ORD

CJJ

39h 35m

1 stop

$2,404Multiple Airlines

Mon, Jun 15 - Sun, Jun 21

10:30 am - 9:00 pm

CJJ

ORD

24h 30m

1 stop

12:30 am - 4:40 pm

ORD

CJJ

26h 10m

1 stop

$2,443Multiple Airlines

Wed, Jun 17 - Tue, Jun 23

11:40 pm - 9:00 pm

CJJ

ORD

35h 20m

1 stop

12:30 am - 12:15 pm

ORD

CJJ

21h 45m

2 stops

$2,482Multiple Airlines

Tue, Jun 16 - Mon, Jun 22

6:35 am - 9:00 pm

CJJ

ORD

28h 25m

2 stops

12:30 am - 4:40 pm

ORD

CJJ

26h 10m

1 stop

$2,509Multiple Airlines

Fri, Jun 19 - Thu, Jun 25

9:30 pm - 6:15 pm

CJJ

ORD

34h 45m

2 stops

12:30 am - 9:55 pm

ORD

CJJ

31h 25m

2 stops

$2,563Multiple Airlines

Wed, Jun 17 - Tue, Jun 23

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CheongjuChicago

CJJ - ORD

CJJORD

Cheongju

Mon 6/15

7:20 am-9:00 pm

2 stops27h 40m

Chicago O'Hare Intl

Sun 6/21

12:30 am-9:55 pm

2 stops31h 25m

$1,720

CheongjuChicago

CJJ - ORD

CJJORD

Cheongju

Fri 6/19

6:35 am-9:00 pm

2 stops28h 25m

Chicago O'Hare Intl

Thu 6/25

12:30 am-8:40 pm

2 stops30h 10m

$2,071

CheongjuChicago

CJJ - ORD

CJJORD

Cheongju

Mon 6/15

7:20 am-9:59 am

3 stops40h 39m

Chicago O'Hare Intl

Sun 6/21

12:30 am-7:45 pm

2 stops29h 15m

$2,252

Quickest round-trip

CheongjuChicago

CJJ - ORD

CJJORD

Cheongju

Mon 6/15

7:20 am-2:55 pm

1 stop21h 35m

Chicago O'Hare Intl

Mon 6/22

11:50 am-9:55 pm

1 stop20h 05m

$2,370

CheongjuChicago

CJJ - ORD

CJJORD

Cheongju

Thu 6/18

10:30 am-9:00 pm

1 stop24h 30m

Chicago O'Hare Intl

Thu 6/25

8:05 pm-4:40 pm

2 stops30h 35m

$2,372

CheongjuChicago

CJJ - ORD

CJJORD

Cheongju

Mon 6/15

7:40 am-9:00 pm

2 stops27h 20m

Chicago O'Hare Intl

Sun 6/21

12:30 am-6:05 am

1 stop39h 35m

$2,404

CheongjuChicago

CJJ - ORD

CJJORD

Cheongju

Wed 6/17

10:30 am-9:00 pm

1 stop24h 30m

Chicago O'Hare Intl

Tue 6/23

12:30 am-4:40 pm

1 stop26h 10m

$2,443

CheongjuChicago

CJJ - ORD

CJJORD

Cheongju

Tue 6/16

11:40 pm-9:00 pm

1 stop35h 20m

Chicago O'Hare Intl

Mon 6/22

12:30 am-12:15 pm

2 stops21h 45m

$2,482

CheongjuChicago

CJJ - ORD

CJJORD

Cheongju

Fri 6/19

6:35 am-9:00 pm

2 stops28h 25m

Chicago O'Hare Intl

Thu 6/25

12:30 am-4:40 pm

1 stop26h 10m

$2,509

CheongjuChicago

CJJ - ORD

CJJORD

Cheongju

Wed 6/17

9:30 pm-6:15 pm

2 stops34h 45m

Chicago O'Hare Intl

Tue 6/23

12:30 am-9:55 pm

2 stops31h 25m

$2,563

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Cheongju to Illinois

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 Illinois?

Korean Air, United Airlines and Delta are the top three most popular airlines that fly to Illinois from Cheongju according to our data. Korean Air is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

Cheap Cheongju to Illinois flight deals and tips

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

Fastest flight time	24h 30m
Direct flights	None

The fastest flight from Cheongju to Illinois takes 24h 30m

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

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Frequently asked questions about flying from Cheongju to Illinois

When did momondo last update prices for flights from Cheongju Airport to Illinois?
Prices for flights from Cheongju Airport to Illinois were last updated today.
How old do you have to be to fly from Cheongju Airport to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cheongju Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois 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 Cheongju to Illinois?

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 Illinois for you.

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

Yes. momondo enables you to select and highlight flights to Illinois from Cheongju with this policy.

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

Once you have performed a search for Cheongju to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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