Cheap Flights to Colorado from ₩823,300

View ₩823,300 flight on Thu, Sep 10, 2026Opens in a new window

Popular airlines to Colorado

  • Frontier Airlines

  • American Airlines

  • Delta

  • United

  • Alaska Airlines

  • Southwest Airlines

  • JetBlue Airways

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How much is the cheapest flight to Colorado?

Prices were available within the past 7 days and start at ₩823,300 for one-way flights and ₩1,346,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Jun 8 - Wed, Jul 8
ICN
Seoul
DEN
Denver
₩1,346,400 Roundtrip, found 7 hours ago
₩1,346,400
Roundtrip
found 7 hours ago
Select Delta flight, departing Mon, Jun 8 from Seoul to Denver, returning Wed, Jul 8, priced at ₩1,346,400 found 7 hours ago
Korean Air
Mon, Jun 8 - Wed, Jul 8
ICN
Seoul
DEN
Denver
₩1,446,400 Roundtrip, found 7 hours ago
₩1,446,400
Roundtrip
found 7 hours ago
Select Korean Air flight, departing Mon, Jun 8 from Seoul to Denver, returning Wed, Jul 8, priced at ₩1,446,400 found 7 hours ago
United
Wed, Nov 4 - Mon, Nov 9
ICN
Seoul
DEN
Denver
₩1,474,800 Roundtrip, found 1 day ago
₩1,474,800
Roundtrip
found 1 day ago
Select United flight, departing Wed, Nov 4 from Seoul to Denver, returning Mon, Nov 9, priced at ₩1,474,800 found 1 day ago
United
Mon, Feb 1 - Mon, Feb 22
ICN
Seoul
COS
Colorado Springs
₩1,475,400 Roundtrip, found 14 hours ago
₩1,475,400
Roundtrip
found 14 hours ago
Select United flight, departing Mon, Feb 1 from Seoul to Colorado Springs, returning Mon, Feb 22, priced at ₩1,475,400 found 14 hours ago
Alaska Airlines
Sun, May 3 - Mon, May 4
ICN
Seoul
DEN
Denver
₩1,495,200 Roundtrip, found 2 days ago
₩1,495,200
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun, May 3 from Seoul to Denver, returning Mon, May 4, priced at ₩1,495,200 found 2 days ago
American Airlines
Mon, Sep 28 - Tue, Oct 27
ICN
Seoul
DEN
Denver
₩1,602,000 Roundtrip, found 5 days ago
₩1,602,000
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Sep 28 from Seoul to Denver, returning Tue, Oct 27, priced at ₩1,602,000 found 5 days ago
American Airlines
Thu, Sep 10 - Tue, Sep 15
ICN
Seoul
GJT
Grand Junction
₩1,602,200 Roundtrip, found 2 days ago
₩1,602,200
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Sep 10 from Seoul to Grand Junction, returning Tue, Sep 15, priced at ₩1,602,200 found 2 days ago
Air Canada
Thu, Oct 1 - Mon, Oct 12
ICN
Seoul
DEN
Denver
₩1,761,800 Roundtrip, found 11 hours ago
₩1,761,800
Roundtrip
found 11 hours ago
Select Air Canada flight, departing Thu, Oct 1 from Seoul to Denver, returning Mon, Oct 12, priced at ₩1,761,800 found 11 hours ago
American Airlines
Tue, May 5 - Fri, May 8
ICN
Seoul
DRO
Durango
₩1,959,200 Roundtrip, found 17 hours ago
₩1,959,200
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Tue, May 5 from Seoul to Durango, returning Fri, May 8, priced at ₩1,959,200 found 17 hours ago
WestJet
Thu, May 21 - Mon, May 25
ICN
Seoul
DEN
Denver
₩2,008,100 Roundtrip, found 2 days ago
₩2,008,100
Roundtrip
found 2 days ago
Select WestJet flight, departing Thu, May 21 from Seoul to Denver, returning Mon, May 25, priced at ₩2,008,100 found 2 days ago

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.

Delta
Mon, Jun 8 - Wed, Jul 8
ICN
Seoul
DEN
Denver
₩1,346,400 Roundtrip, found 7 hours ago
₩1,346,400
Roundtrip
found 7 hours ago
Select Delta flight, departing Mon, Jun 8 from Seoul to Denver, returning Wed, Jul 8, priced at ₩1,346,400 found 7 hours ago

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 ₩1,346,400. 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 ₩1,346,400 and reached a maximum of ₩2,008,100. For one-way journeys departing from Seoul (ICN), the cheapest seat during this time was only ₩823,300.
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 ₩1,346,400 and ₩2,008,100. 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.

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