How long does it take to fly to Cheongju?

Flight times from Illinois to Cheongju vary, but if you’re flying out of Chicago and flying into Incheon Intl Airport (one of the most popular routes), then the duration is 15h 37m on average. Another popular route from Illinois to Cheongju is flying from Moline to Incheon Intl Airport, which will take roughly 19h 03m. Keep in mind that layovers or delays could extend your travel time.

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

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

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Cheongju Airport.

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

The travel and health documents you'll need for your trip to Cheongju Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cheongju Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$1,393 Cheap Flights from Illinois to Cheongju in 2025

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Cheap round-trip flights

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2:40 pm - 3:00 pmORD-CJJ

33h 20m2 stops

4:05 pm - 1:00 pmCJJ-ORD

35h 55m2 stops

$1,393

Find Deal

Sat, Feb 22 - Sat, Mar 1

7:20 am - 9:30 pmORD-CJJ

23h 10m2 stops

9:45 am - 7:37 pmCJJ-ORD

24h 52m2 stops

$1,472

Find Deal

Sun, Feb 23 - Sun, Mar 2

7:20 am - 9:30 pmORD-CJJ

23h 10m2 stops

9:45 am - 5:28 amCJJ-ORD

34h 43m3 stops

$1,487

Find Deal

Sun, Feb 23 - Sun, Mar 2

7:20 am - 9:30 pmORD-CJJ

23h 10m2 stops

9:45 am - 6:07 amCJJ-ORD

35h 22m3 stops

$1,492

Find Deal

Fri, Feb 7 - Thu, Feb 13

10:30 am - 9:30 pmORD-CJJ

20h 00m1 stop

3:50 pm - 5:28 amCJJ-ORD

52h 38m2 stops

$1,543

Find Deal

Fri, Feb 7 - Thu, Feb 13

11:30 pm - 3:00 pmORD-CJJ

24h 30m1 stop

4:05 pm - 3:09 pmCJJ-ORD

38h 04m2 stops

$1,603

Find Deal

Sat, Feb 22 - Sat, Mar 1

11:35 am - 1:05 pmORD-CJJ

34h 30m3 stops

9:45 am - 5:28 amCJJ-ORD

34h 43m3 stops

$1,663

Find Deal

Sun, Feb 23 - Sun, Mar 2

11:30 pm - 5:30 amORD-CJJ

39h 00m1 stop

11:50 pm - 4:58 pmCJJ-ORD

56h 08m2 stops

$1,675

Find Deal

Sun, Feb 23 - Sun, Mar 2

11:30 pm - 5:30 amORD-CJJ

39h 00m1 stop

9:45 am - 5:28 amCJJ-ORD

34h 43m2 stops

$1,702

Find Deal

Sat, Feb 8 - Fri, Feb 14

7:20 am - 9:30 pmORD-CJJ

23h 10m2 stops

4:05 pm - 5:28 amCJJ-ORD

28h 23m2 stops

$1,722

Find Deal

Fri, Feb 7 - Thu, Feb 13

LAX-CJJ

5967 mimulti-stop

Multiple Airlines

Find Deal

JFK-CJJ

6920 mimulti-stop

Multiple Airlines

Find Deal

How to get the cheapest flight ticket from Illinois 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

Airlines

Other information

What airlines fly to Cheongju?

Korean Air, Air Canada and United Airlines are the top three most popular airlines that fly to Cheongju from Illinois according to our data. Korean Air is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Cheongju. Keep in mind that there are 10 different airlines that fly to Cheongju on a routine basis, so you have a few additional options to choose from.

Cheap Illinois to Cheongju flight deals and tips

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

Best Price Found	$1,393
Fastest flight time	20h 00m
Direct flights	None
Airports in Cheongju	1 airport

The best flight deal from Illinois to Cheongju found on momondo in the last 72 hours is $1,393

The fastest flight from Illinois to Cheongju takes 20h 00m

There are no direct flights from Illinois to Cheongju. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Cheongju Airport.

There is 1 airport near Cheongju: Cheongju (CJJ)

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When did momondo last update prices for flights from Illinois to Cheongju Airport?
Prices for flights from Illinois to Cheongju Airport are refreshed on a daily basis.
How old do you have to be to fly from Illinois to Cheongju Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Cheongju Airport.
What documentation or ID do you need to fly to Cheongju Airport?
The travel and health documents you'll need for your trip to Cheongju Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cheongju Airport. It is always advisable to seek 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 Illinois to Cheongju?

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 Illinois to Cheongju for you.

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

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

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

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

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

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