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.

$1,637 Cheap Flights from Cheongju to Illinois in 2026

Find the cheapest flights from Cheongju to Illinois

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:30 am - 8:05 pm

CJJ

ORD

24h 35m

2 stops

8:45 am - 9:55 pm

ORD

CJJ

23h 10m

2 stops

$1,637Multiple Airlines

Tue, Jul 7 - Mon, Jul 13

9:30 am - 8:05 pm

CJJ

ORD

24h 35m

2 stops

8:40 am - 9:55 pm

ORD

CJJ

23h 15m

2 stops

$1,714Multiple Airlines

Sun, Aug 2 - Sun, Aug 9

9:30 am - 9:00 am

CJJ

ORD

37h 30m

3 stops

8:45 am - 9:55 pm

ORD

CJJ

23h 10m

2 stops

$1,715Multiple Airlines

Tue, Jul 7 - Mon, Jul 13

9:30 am - 1:19 pm

CJJ

ORD

41h 49m

3 stops

9:50 am - 9:55 pm

ORD

CJJ

22h 05m

2 stops

$1,826Multiple Airlines

Tue, Jul 7 - Mon, Jul 13

9:30 am - 1:22 pm

CJJ

ORD

41h 52m

3 stops

10:40 am - 12:20 pm

ORD

CJJ

35h 40m

3 stops

$1,878Multiple Airlines

Tue, Jul 7 - Mon, Jul 13

9:30 am - 9:10 pm

CJJ

ORD

25h 40m

2 stops

9:50 am - 9:55 pm

ORD

CJJ

22h 05m

2 stops

$1,896Multiple Airlines

Tue, Jul 7 - Mon, Jul 13

9:25 am - 8:05 pm

CJJ

ORD

24h 40m

3 stops

8:40 am - 9:55 pm

ORD

CJJ

23h 15m

2 stops

$1,953Multiple Airlines

Sun, Aug 2 - Sun, Aug 9

9:30 am - 1:19 pm

CJJ

ORD

41h 49m

3 stops

10:40 am - 12:20 pm

ORD

CJJ

35h 40m

3 stops

$1,990Multiple Airlines

Tue, Jul 7 - Mon, Jul 13

9:30 am - 9:10 pm

CJJ

ORD

25h 40m

2 stops

10:40 am - 9:55 pm

ORD

CJJ

21h 15m

1 stop

$2,063Multiple Airlines

Tue, Jul 7 - Mon, Jul 13

11:15 pm - 9:10 pm

CJJ

ORD

35h 55m

2 stops

9:50 am - 9:55 pm

ORD

CJJ

22h 05m

2 stops

$2,110Multiple Airlines

Sat, Aug 1 - Sat, Aug 8

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CheongjuChicago

CJJ - ORD

CJJORD

Cheongju

Tue 7/7

9:30 am-8:05 pm

2 stops24h 35m

Chicago O'Hare Intl

Mon 7/13

8:45 am-9:55 pm

2 stops23h 10m

$1,637

CheongjuChicago

CJJ - ORD

CJJORD

Cheongju

Sun 8/2

9:30 am-8:05 pm

2 stops24h 35m

Chicago O'Hare Intl

Sun 8/9

8:40 am-9:55 pm

2 stops23h 15m

$1,714

CheongjuChicago

CJJ - ORD

CJJORD

Cheongju

Tue 7/7

9:30 am-9:00 am

3 stops37h 30m

Chicago O'Hare Intl

Mon 7/13

8:45 am-9:55 pm

2 stops23h 10m

$1,715

CheongjuChicago

CJJ - ORD

CJJORD

Cheongju

Tue 7/7

9:30 am-1:19 pm

3 stops41h 49m

Chicago O'Hare Intl

Mon 7/13

9:50 am-9:55 pm

2 stops22h 05m

$1,826

CheongjuChicago

CJJ - ORD

CJJORD

Cheongju

Tue 7/7

9:30 am-1:22 pm

3 stops41h 52m

Chicago O'Hare Intl

Mon 7/13

10:40 am-12:20 pm

3 stops35h 40m

$1,878

CheongjuChicago

CJJ - ORD

CJJORD

Cheongju

Tue 7/7

9:30 am-9:10 pm

2 stops25h 40m

Chicago O'Hare Intl

Mon 7/13

9:50 am-9:55 pm

2 stops22h 05m

$1,896

CheongjuChicago

CJJ - ORD

CJJORD

Cheongju

Sun 8/2

9:25 am-8:05 pm

3 stops24h 40m

Chicago O'Hare Intl

Sun 8/9

8:40 am-9:55 pm

2 stops23h 15m

$1,953

CheongjuChicago

CJJ - ORD

CJJORD

Cheongju

Tue 7/7

9:30 am-1:19 pm

3 stops41h 49m

Chicago O'Hare Intl

Mon 7/13

10:40 am-12:20 pm

3 stops35h 40m

$1,990

Quickest round-trip

CheongjuChicago

CJJ - ORD

CJJORD

Cheongju

Tue 7/7

9:30 am-9:10 pm

2 stops25h 40m

Chicago O'Hare Intl

Mon 7/13

10:40 am-9:55 pm

1 stop21h 15m

$2,063

CheongjuChicago

CJJ - ORD

CJJORD

Cheongju

Sat 8/1

11:15 pm-9:10 pm

2 stops35h 55m

Chicago O'Hare Intl

Sat 8/8

9:50 am-9:55 pm

2 stops22h 05m

$2,110

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted 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 is the cheapest airline that flies from Cheongju to Illinois?

China Eastern is the most popular carrier operating from Cheongju to Illinois

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 40% 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 35m
Direct flights	None

The fastest flight from Cheongju to Illinois takes 24h 35m

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

Search flight deals

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.