How long does it take to fly to Cheongju?

Flight times from Colorado to Cheongju vary, but if you’re flying out of Denver and flying into Incheon Intl Airport (one of the most popular routes), then the duration is 15h 30m on average. Another popular route from Colorado to Cheongju is flying from Colorado Springs to Incheon Intl Airport, which will take roughly 16h 10m. Keep in mind that layovers or delays could extend your travel time.

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

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

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado 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.

$2,071 Cheap Flights from Colorado to Cheongju in 2026

Find the cheapest flights from Colorado to Seoul

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:22 am - 9:55 pmDEN Denver Intl-CJJ Cheongju

22h 33m2 stops Seattle/Tacoma Intl Tokyo Narita

10:55 am - 4:58 pmCJJ Cheongju-DEN Denver Intl

21h 03m2 stops Osaka Kansai Intl Vancouver Intl

$2,071Multiple Airlines

Thu, Sep 24 - Thu, Oct 1

8:22 am - 9:55 pmDEN Denver Intl-CJJ Cheongju

22h 33m2 stops Seattle/Tacoma Intl Tokyo Narita

10:30 am - 11:20 amCJJ Cheongju-DEN Denver Intl

39h 50m3 stops Taipei City Taiwan Taoyuan Intl Vancouver Intl Calgary

$2,176Multiple Airlines

Thu, Sep 24 - Thu, Oct 1

7:45 pm - 10:50 amDEN Denver Intl-CJJ Cheongju

48h 05m2 stops Vancouver Intl Shanghai Pu Dong

11:50 am - 10:22 amCJJ Cheongju-DEN Denver Intl

61h 32m2 stops Shanghai Pu Dong Toronto Pearson Intl

$2,823Multiple Airlines

Wed, Sep 2 - Tue, Sep 8

8:56 pm - 10:50 amDEN Denver Intl-CJJ Cheongju

46h 54m3 stops Vancouver Intl Hong Kong Intl Shanghai Pu Dong

11:50 am - 8:17 pmCJJ Cheongju-DEN Denver Intl

47h 27m2 stops Shanghai Pu Dong Toronto Pearson Intl

$3,916Multiple Airlines

Wed, Sep 2 - Tue, Sep 8

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

DenverCheongju

DEN Denver Intl - CJJ Cheongju

DENCJJ

Denver Intl

Thu 9/24

8:22 am-9:55 pm

2 stops22h 33m

Cheongju

Thu 10/1

10:55 am-4:58 pm

2 stops21h 03m

$2,071

DenverCheongju

DEN Denver Intl - CJJ Cheongju

DENCJJ

Denver Intl

Thu 9/24

8:22 am-9:55 pm

2 stops22h 33m

Cheongju

Thu 10/1

10:30 am-11:20 am

3 stops39h 50m

$2,176

DenverCheongju

DEN Denver Intl - CJJ Cheongju

DENCJJ

Denver Intl

Wed 9/2

7:45 pm-10:50 am

2 stops48h 05m

Cheongju

Tue 9/8

11:50 am-10:22 am

2 stops61h 32m

$2,823

DenverCheongju

DEN Denver Intl - CJJ Cheongju

DENCJJ

Denver Intl

Wed 9/2

8:56 pm-10:50 am

3 stops46h 54m

Cheongju

Tue 9/8

11:50 am-8:17 pm

2 stops47h 27m

$3,916

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Colorado 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?

Air Canada, Asiana Airlines and United Airlines are the top three most popular airlines that fly to Cheongju from Colorado according to our data. Air Canada is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Cheongju. Keep in mind that there are 8 different airlines that fly to Cheongju on a routine basis, so you have a few additional options to choose from.

Cheap Colorado to Cheongju flight deals and tips

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

Fastest flight time	48h 05m
Direct flights	None

The fastest flight from Colorado to Cheongju takes 48h 05m

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

Search flight deals

Frequently asked questions about flying from Colorado to Cheongju

When did momondo last update prices for flights from Colorado to Cheongju Airport?
Prices for flights from Colorado to Cheongju Airport are updated daily.
How old do you have to be to fly from Colorado to Cheongju Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado 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 Colorado 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 Colorado to Cheongju for you.

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

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

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

momondo helps you find the best flight between Colorado and Cheongju by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Cheongju, momondo offers a useful price alert feature which will track prices for flights to Cheongju from Colorado and alert you when they change.