Cheap Flights to Colorado from ₩519,700

Popular airlines to Colorado

  • American Airlines

    American Airlines

  • Frontier Airlines

    Frontier Airlines

  • Delta

    Delta

  • United

    United

  • Alaska Airlines

    Alaska Airlines

  • Southwest Airlines

    Southwest Airlines

  • JetBlue Airways

    JetBlue Airways

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Top Cities to Visit in Colorado

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

Denver

Denver
Aspen Mountain showing mountains, landscape views and snow
FlightsFlights

Aspen

Aspen

How much is the cheapest flight to Colorado?

Prices were available within the past 7 days and start at ₩519,700 for one-way flights and ₩861,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, Oct 31 - Sun, Nov 9
ICN
Seoul
DEN
Denver
₩861,900 Roundtrip, found 5 days ago
₩861,900
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, Oct 31 from Seoul to Denver, returning Sun, Nov 9, priced at ₩861,900 found 5 days ago
Alaska Airlines
Sat, Oct 25 - Fri, Oct 31
ICN
Seoul
DEN
Denver
₩862,000 Roundtrip, found 3 days ago
₩862,000
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Oct 25 from Seoul to Denver, returning Fri, Oct 31, priced at ₩862,000 found 3 days ago
Delta
Fri, Sep 19 - Thu, Oct 2
ICN
Seoul
DEN
Denver
₩882,900 Roundtrip, found 3 hours ago
₩882,900
Roundtrip
found 3 hours ago
Select Delta flight, departing Fri, Sep 19 from Seoul to Denver, returning Thu, Oct 2, priced at ₩882,900 found 3 hours ago
American Airlines
Mon, Oct 27 - Thu, Nov 6
ICN
Seoul
DEN
Denver
₩889,000 Roundtrip, found 12 hours ago
₩889,000
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Mon, Oct 27 from Seoul to Denver, returning Thu, Nov 6, priced at ₩889,000 found 12 hours ago
American Airlines
Fri, Nov 7 - Sat, Nov 15
ICN
Seoul
GJT
Grand Junction
₩904,400 Roundtrip, found 3 days ago
₩904,400
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Nov 7 from Seoul to Grand Junction, returning Sat, Nov 15, priced at ₩904,400 found 3 days ago
United
Mon, Sep 22 - Tue, Sep 30
ICN
Seoul
COS
Colorado Springs
₩919,300 Roundtrip, found 13 hours ago
₩919,300
Roundtrip
found 13 hours ago
Select United flight, departing Mon, Sep 22 from Seoul to Colorado Springs, returning Tue, Sep 30, priced at ₩919,300 found 13 hours ago
United
Fri, Sep 19 - Thu, Oct 2
ICN
Seoul
DEN
Denver
₩919,300 Roundtrip, found 3 hours ago
₩919,300
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Sep 19 from Seoul to Denver, returning Thu, Oct 2, priced at ₩919,300 found 3 hours ago
Korean Air
Fri, May 29 - Thu, Jul 23
ICN
Seoul
DEN
Denver
₩982,900 Roundtrip, found 5 hours ago
₩982,900
Roundtrip
found 5 hours ago
Select Korean Air flight, departing Fri, May 29 from Seoul to Denver, returning Thu, Jul 23, priced at ₩982,900 found 5 hours ago
Hawaiian Airlines
Sat, Nov 1 - Sun, Nov 9
ICN
Seoul
DEN
Denver
₩986,900 Roundtrip, found 5 days ago
₩986,900
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Sat, Nov 1 from Seoul to Denver, returning Sun, Nov 9, priced at ₩986,900 found 5 days ago
Air Canada
Fri, Oct 10 - Mon, Oct 20
ICN
Seoul
DEN
Denver
₩1,227,800 Roundtrip, found 1 day ago
₩1,227,800
Roundtrip
found 1 day ago
Select Air Canada flight, departing Fri, Oct 10 from Seoul to Denver, returning Mon, Oct 20, priced at ₩1,227,800 found 1 day 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.

Alaska Airlines
Fri, Oct 31 - Sun, Nov 9
ICN
Seoul
DEN
Denver
₩861,900 Roundtrip, found 5 days ago
₩861,900
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, Oct 31 from Seoul to Denver, returning Sun, Nov 9, priced at ₩861,900 found 5 days 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 ₩861,900. 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 ₩861,900 and reached a maximum of ₩1,227,800. For one-way journeys departing from Seoul (ICN), the cheapest seat during this time was only ₩519,700.
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 ₩861,900 and ₩1,227,800. 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.

Book with confidence

Book with confidence

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.
About Colorado

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to Expedia members.