Cheap Flights to Colorado from ₩739,300

Popular airlines to Colorado

  • Delta

    Delta

  • United

    United

  • American Airlines

    American Airlines

  • Air Canada

    Air Canada

  • Lufthansa

    Lufthansa

  • Korean Air

    Korean Air

  • Turkish Airlines

    Turkish Airlines

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Top Cities to Visit in Colorado

Beautiful autumn day in Denver showcasing vibrant foliage and serene lakeside park activity
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Denver

Denver
Aspen Mountain showing mountains, landscape views and snow
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Aspen

Aspen

How much is the cheapest flight to Colorado?

Prices were available within the past 7 days and start at ₩739,300 for one-way flights and ₩999,000 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Nov 5 - Sun, Nov 9
ICN
Seoul
DEN
Denver
₩999,000 Roundtrip, found 8 hours ago
₩999,000
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Wed, Nov 5 from Seoul to Denver, returning Sun, Nov 9, priced at ₩999,000 found 8 hours ago
Alaska Airlines
Mon, Sep 15 - Tue, Sep 30
ICN
Seoul
DEN
Denver
₩1,009,300 Roundtrip, found 4 days ago
₩1,009,300
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Sep 15 from Seoul to Denver, returning Tue, Sep 30, priced at ₩1,009,300 found 4 days ago
Delta
Tue, Sep 9 - Thu, Sep 18
ICN
Seoul
DEN
Denver
₩1,028,600 Roundtrip, found 17 hours ago
₩1,028,600
Roundtrip
found 17 hours ago
Select Delta flight, departing Tue, Sep 9 from Seoul to Denver, returning Thu, Sep 18, priced at ₩1,028,600 found 17 hours ago
Hawaiian Airlines
Mon, Sep 29 - Sat, Oct 18
ICN
Seoul
DEN
Denver
₩1,034,300 Roundtrip, found 4 days ago
₩1,034,300
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Mon, Sep 29 from Seoul to Denver, returning Sat, Oct 18, priced at ₩1,034,300 found 4 days ago
United
Thu, Sep 18 - Mon, Sep 22
ICN
Seoul
COS
Colorado Springs
₩1,046,800 Roundtrip, found 4 days ago
₩1,046,800
Roundtrip
found 4 days ago
Select United flight, departing Thu, Sep 18 from Seoul to Colorado Springs, returning Mon, Sep 22, priced at ₩1,046,800 found 4 days ago
United
Mon, Nov 10 - Mon, Nov 17
ICN
Seoul
DEN
Denver
₩1,046,800 Roundtrip, found 5 days ago
₩1,046,800
Roundtrip
found 5 days ago
Select United flight, departing Mon, Nov 10 from Seoul to Denver, returning Mon, Nov 17, priced at ₩1,046,800 found 5 days ago
United
Wed, Oct 22 - Thu, Nov 6
ICN
Seoul
EGE
Vail
₩1,047,400 Roundtrip, found 1 day ago
₩1,047,400
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 22 from Seoul to Vail, returning Thu, Nov 6, priced at ₩1,047,400 found 1 day ago
Air Canada
Mon, Sep 8 - Tue, Sep 23
ICN
Seoul
DEN
Denver
₩1,076,000 Roundtrip, found 4 days ago
₩1,076,000
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, Sep 8 from Seoul to Denver, returning Tue, Sep 23, priced at ₩1,076,000 found 4 days ago
United
Tue, Aug 26 - Tue, Sep 2
ICN
Seoul
GJT
Grand Junction
₩1,097,600 Roundtrip, found 5 hours ago
₩1,097,600
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Aug 26 from Seoul to Grand Junction, returning Tue, Sep 2, priced at ₩1,097,600 found 5 hours ago
Korean Air
Tue, Oct 21 - Sun, Oct 26
ICN
Seoul
DEN
Denver
₩1,122,400 Roundtrip, found 1 hour ago
₩1,122,400
Roundtrip
found 1 hour ago
Select Korean Air flight, departing Tue, Oct 21 from Seoul to Denver, returning Sun, Oct 26, priced at ₩1,122,400 found 1 hour ago

About Colorado

Expedia offers flights to Colorado to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Colorado or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Frequently asked questions

How do I find cheap flights to Colorado that have flexible change policies?
We get that things can change in a flash, so booking a flexible ticket with Expedia is always a smart move. Simply click on "No change fee" under the "Flexible change policies" filter. Your low-cost, flexible flight to Colorado is only a few clicks away.
Which airlines fly to Colorado?
Pack your bags and take your pick of these well-known airlines that have flights into or near Colorado:

  • United Airlines - 13,862 flights to or near Colorado each month, including 13,033 flights to Denver Intl. Airport (DEN) per month.
  • Southwest Airlines - 6,604 flights to or near Colorado each month, including 6,339 flights to Denver Intl. Airport (DEN) per month.
  • Frontier Airlines - 1,967 flights to or near Colorado each month, including 1,967 flights to Denver Intl. Airport (DEN) per month.

How can I find cheap tickets to Colorado?
One of the best ways to bag cheap tickets to Colorado is to be flexible with your travel dates. Search for your flights, then click "flexible dates" at the top of your results. It'll bring up the cheapest prices for nearby days. The best price for a flight to Colorado in the last seven days was ₩999,000. Booking ahead will usually help you get an even bigger bargain.
How much is a flight to Colorado?
In the last seven days, return tickets to Colorado sold from just ₩999,000 and reached a maximum of ₩1,270,300. For one-way journeys departing from Seoul (ICN), the cheapest seat during this time was only ₩739,300.
What are the most popular airports to fly into in Colorado?
Cruise into one of these busy Colorado airports and you'll be in the perfect position to discover all that this fantastic region has to offer:

  • Denver Intl. Airport (DEN) - 24,249 flights per month.
  • Colorado Springs Airport (COS) - 889 flights per month.
  • Pitkin County Airport (ASE) - 534 flights per month.

When is the cheapest time to fly to Colorado?
Jet off on a Tuesday to increase your chances of bagging the cheapest deal to Colorado. Mondays are usually the next most affordable day to depart. Saturday is typically the costliest day to fly anywhere.
How much is a plane ticket to Colorado?
In the last seven days, fares ranged between ₩999,000 and ₩1,270,300. Have a look at our amazing deals to Colorado, make a booking and then get ready for your getaway!
What is the best time to go to Colorado?
Denver, Colorado's most prominent city, is an awesome location to visit at anytime. Not a big fan of cooler weather? Then venture here from June 20 onward in summer, when temperatures fluctuate from 60ºF to 80ºF. May, July and August is when Denver is at its liveliest.
What months are the cheapest to book a flight to Colorado?
A cheap month to bag a fabulous deal to Colorado is February, while prices are at a premium in December. Try to avoid this month if you'd like to save money.

Trending flights to Colorado

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jeju Air
Tue, Oct 21 - Sun, Oct 26
GMP
Seoul
DEN
Denver
₩1,270,300 Roundtrip, found 1 hour ago
₩1,270,300
Roundtrip
found 1 hour ago
Select Jeju Air flight, departing Tue, Oct 21 from Seoul to Denver, returning Sun, Oct 26, priced at ₩1,270,300 found 1 hour ago
*Available to Expedia members.