Cheap flights to Colorado

View €388 flight on Wed, 15 Apr 2026Opens in a new window

Popular airlines to Colorado

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

  • Frontier Airlines

    Frontier Airlines

  • Southwest Airlines

    Southwest Airlines

  • Alaska Airlines

    Alaska Airlines

  • JetBlue Airways

    JetBlue Airways

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Cheap round-trip flights to Colorado

Prices were available within the past 7 days and start at €388 for one-way flights and €378 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, 23 Feb - Sun, 8 Mar
DUB
Dublin
DEN
Denver
€378 Return, just found
€378
Return
just found
Select British Airways flight, departing Mon, 23 Feb from Dublin to Denver, returning Sun, 8 Mar, priced at €378 just found
American Airlines
Fri, 30 Jan - Fri, 6 Feb
DUB
Dublin
DEN
Denver
€395 Return, just found
€395
Return
just found
Select American Airlines flight, departing Fri, 30 Jan from Dublin to Denver, returning Fri, 6 Feb, priced at €395 just found
Iberia
Thu, 4 Jun - Tue, 30 Jun
DUB
Dublin
DEN
Denver
€406 Return, found 1 hour ago
€406
Return
found 1 hour ago
Select Iberia flight, departing Thu, 4 Jun from Dublin to Denver, returning Tue, 30 Jun, priced at €406 found 1 hour ago
Aer Lingus
Fri, 22 May - Wed, 27 May
DUB
Dublin
DEN
Denver
€413 Return, found 1 day ago
€413
Return
found 1 day ago
Select Aer Lingus flight, departing Fri, 22 May from Dublin to Denver, returning Wed, 27 May, priced at €413 found 1 day ago
Finnair
Mon, 8 Jun - Mon, 22 Jun
DUB
Dublin
DEN
Denver
€501 Return, found 1 day ago
€501
Return
found 1 day ago
Select Finnair flight, departing Mon, 8 Jun from Dublin to Denver, returning Mon, 22 Jun, priced at €501 found 1 day ago
Lufthansa
Mon, 23 Feb - Sun, 8 Mar
DUB
Dublin
DEN
Denver
€562 Return, just found
€562
Return
just found
Select Lufthansa flight, departing Mon, 23 Feb from Dublin to Denver, returning Sun, 8 Mar, priced at €562 just found
Air Canada
Fri, 13 Feb - Sun, 22 Feb
DUB
Dublin
DEN
Denver
€579 Return, found 1 day ago
€579
Return
found 1 day ago
Select Air Canada flight, departing Fri, 13 Feb from Dublin to Denver, returning Sun, 22 Feb, priced at €579 found 1 day ago
Brussels Airlines
Mon, 23 Feb - Sun, 8 Mar
DUB
Dublin
DEN
Denver
€580 Return, just found
€580
Return
just found
Select Brussels Airlines flight, departing Mon, 23 Feb from Dublin to Denver, returning Sun, 8 Mar, priced at €580 just found
Delta
Mon, 23 Feb - Sun, 8 Mar
DUB
Dublin
DEN
Denver
€589 Return, just found
€589
Return
just found
Select Delta flight, departing Mon, 23 Feb from Dublin to Denver, returning Sun, 8 Mar, priced at €589 just found
United
Mon, 23 Feb - Sun, 8 Mar
DUB
Dublin
DEN
Denver
€592 Return, just found
€592
Return
just found
Select United flight, departing Mon, 23 Feb from Dublin to Denver, returning Sun, 8 Mar, priced at €592 just found

About Colorado

Expedia offers flights to Colorado to meet every traveller'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 €378. 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 €378 and reached a maximum of €615. For one-way journeys departing from Dublin (DUB), the cheapest seat during this time was only €388.
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 €378 and €615. 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.

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.

British Airways
Mon, 23 Feb - Sun, 8 Mar
DUB
Dublin
DEN
Denver
€378 Return, just found
€378
Return
just found
Select British Airways flight, departing Mon, 23 Feb from Dublin to Denver, returning Sun, 8 Mar, priced at €378 just found
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