A mountain range with a cabin by a reflective lake.

Cheap flights to Colorado

View €367 flight on Sat, 21 Nov 2026Opens in a new window

Popular airlines to Colorado

  • Frontier Airlines

  • American Airlines

  • United

  • Delta

  • Alaska Airlines

  • Southwest Airlines

  • JetBlue Airways

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Cheap round-trip flights to Colorado

Prices were available within the past 7 days and start at €367 for one-way flights and €547 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
British Airways
Air France
Finnair
Iberia
American Airlines
Icelandair
Delta
Aer Lingus
JetBlue Airways

Trending flights to Colorado

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

KLM

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 €547. 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 €547 and reached a maximum of €695. For one-way journeys departing from Dublin (DUB), the cheapest seat during this time was only €367.
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.
How much is a plane ticket to Colorado?
In the last seven days, fares ranged between €547 and €695. 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 16ºC to 27ºC. 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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About Colorado

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About Colorado

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