Cheap flights to Colorado

View €275 flight on Mon, 4 May 2026Opens in a new window

Popular airlines to Colorado

  • American Airlines

  • Delta

  • United

  • Frontier Airlines

  • 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 €275 for one-way flights and €377 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, 24 Feb - Tue, 3 Mar
DUB
Dublin
DEN
Denver
€377 Return, found 2 days ago
€377
Return
found 2 days ago
Select British Airways flight, departing Tue, 24 Feb from Dublin to Denver, returning Tue, 3 Mar, priced at €377 found 2 days ago
Iberia
Tue, 3 Nov - Tue, 10 Nov
DUB
Dublin
DEN
Denver
€382 Return, found 3 days ago
€382
Return
found 3 days ago
Select Iberia flight, departing Tue, 3 Nov from Dublin to Denver, returning Tue, 10 Nov, priced at €382 found 3 days ago
American Airlines
Thu, 19 Feb - Thu, 5 Mar
DUB
Dublin
DEN
Denver
€393 Return, found 3 hours ago
€393
Return
found 3 hours ago
Select American Airlines flight, departing Thu, 19 Feb from Dublin to Denver, returning Thu, 5 Mar, priced at €393 found 3 hours ago
Aer Lingus
Mon, 1 Jun - Sat, 13 Jun
DUB
Dublin
DEN
Denver
€412 Return, found 8 hours ago
€412
Return
found 8 hours ago
Select Aer Lingus flight, departing Mon, 1 Jun from Dublin to Denver, returning Sat, 13 Jun, priced at €412 found 8 hours ago
Finnair
Thu, 28 May - Thu, 11 Jun
DUB
Dublin
DEN
Denver
€500 Return, just found
€500
Return
just found
Select Finnair flight, departing Thu, 28 May from Dublin to Denver, returning Thu, 11 Jun, priced at €500 just found
Icelandair
Sun, 8 Feb - Mon, 23 Feb
DUB
Dublin
DEN
Denver
€509 Return, found 8 hours ago
€509
Return
found 8 hours ago
Select Icelandair flight, departing Sun, 8 Feb from Dublin to Denver, returning Mon, 23 Feb, priced at €509 found 8 hours ago
JetBlue Airways
Sat, 9 May - Fri, 15 May
DUB
Dublin
DEN
Denver
€548 Return, found 7 hours ago
€548
Return
found 7 hours ago
Select JetBlue Airways flight, departing Sat, 9 May from Dublin to Denver, returning Fri, 15 May, priced at €548 found 7 hours ago
Turkish Airlines
Wed, 11 Feb - Tue, 17 Feb
DUB
Dublin
DEN
Denver
€649 Return, found 13 hours ago
€649
Return
found 13 hours ago
Select Turkish Airlines flight, departing Wed, 11 Feb from Dublin to Denver, returning Tue, 17 Feb, priced at €649 found 13 hours ago
Lufthansa
Tue, 10 Feb - Wed, 18 Feb
DUB
Dublin
DEN
Denver
€669 Return, found 13 hours ago
€669
Return
found 13 hours ago
Select Lufthansa flight, departing Tue, 10 Feb from Dublin to Denver, returning Wed, 18 Feb, priced at €669 found 13 hours ago
Brussels Airlines
Wed, 18 Feb - Wed, 4 Mar
DUB
Dublin
DEN
Denver
€690 Return, found 3 hours ago
€690
Return
found 3 hours ago
Select Brussels Airlines flight, departing Wed, 18 Feb from Dublin to Denver, returning Wed, 4 Mar, priced at €690 found 3 hours ago

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 €377. 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 €377 and reached a maximum of €690. For one-way journeys departing from Dublin (DUB), the cheapest seat during this time was only €275.
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 €377 and €690. 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
Tue, 24 Feb - Tue, 3 Mar
DUB
Dublin
DEN
Denver
€377 Return, found 2 days ago
€377
Return
found 2 days ago
Select British Airways flight, departing Tue, 24 Feb from Dublin to Denver, returning Tue, 3 Mar, priced at €377 found 2 days ago
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