Cheap flights to Colorado

View €339 flight on Tue, 19 May 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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Cheap round-trip flights to Colorado

Prices were available within the past 7 days and start at €339 for one-way flights and €451 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Finnair
Mon, 8 Jun - Sun, 14 Jun
DUB
Dublin
DEN
Denver
€451 Return, found 3 days ago
€451
Return
found 3 days ago
Select Finnair flight, departing Mon, 8 Jun from Dublin to Denver, returning Sun, 14 Jun, priced at €451 found 3 days ago
Finnair
Tue, 19 May - Thu, 28 May
DUB
Dublin
DEN
Denver
€458 Return, found 2 hours ago
€458
Return
found 2 hours ago
Select Finnair flight, departing Tue, 19 May from Dublin to Denver, returning Thu, 28 May, priced at €458 found 2 hours ago
Aer Lingus
Mon, 18 May - Wed, 3 Jun
DUB
Dublin
DEN
Denver
€465 Return, found 2 hours ago
€465
Return
found 2 hours ago
Select Aer Lingus flight, departing Mon, 18 May from Dublin to Denver, returning Wed, 3 Jun, priced at €465 found 2 hours ago
Iberia
Wed, 17 Jun - Thu, 25 Jun
DUB
Dublin
DEN
Denver
€470 Return, found 1 hour ago
€470
Return
found 1 hour ago
Select Iberia flight, departing Wed, 17 Jun from Dublin to Denver, returning Thu, 25 Jun, priced at €470 found 1 hour ago
American Airlines
Fri, 19 Jun - Sat, 27 Jun
DUB
Dublin
DEN
Denver
€470 Return, found 1 hour ago
€470
Return
found 1 hour ago
Select American Airlines flight, departing Fri, 19 Jun from Dublin to Denver, returning Sat, 27 Jun, priced at €470 found 1 hour ago
British Airways
Thu, 4 Jun - Sat, 13 Jun
DUB
Dublin
DEN
Denver
€488 Return, found 3 days ago
€488
Return
found 3 days ago
Select British Airways flight, departing Thu, 4 Jun from Dublin to Denver, returning Sat, 13 Jun, priced at €488 found 3 days ago
Icelandair
Thu, 12 Nov - Mon, 16 Nov
DUB
Dublin
DEN
Denver
€686 Return, found 1 day ago
€686
Return
found 1 day ago
Select Icelandair flight, departing Thu, 12 Nov from Dublin to Denver, returning Mon, 16 Nov, priced at €686 found 1 day ago
Turkish Airlines
Thu, 12 Nov - Mon, 16 Nov
DUB
Dublin
DEN
Denver
€690 Return, found 1 day ago
€690
Return
found 1 day ago
Select Turkish Airlines flight, departing Thu, 12 Nov from Dublin to Denver, returning Mon, 16 Nov, priced at €690 found 1 day ago
JetBlue Airways
Fri, 11 Sept - Fri, 25 Sept
DUB
Dublin
DEN
Denver
€723 Return, found 2 hours ago
€723
Return
found 2 hours ago
Select JetBlue Airways flight, departing Fri, 11 Sept from Dublin to Denver, returning Fri, 25 Sept, priced at €723 found 2 hours ago
Lufthansa
Thu, 5 Nov - Thu, 12 Nov
DUB
Dublin
DEN
Denver
€761 Return, found 1 day ago
€761
Return
found 1 day ago
Select Lufthansa flight, departing Thu, 5 Nov from Dublin to Denver, returning Thu, 12 Nov, priced at €761 found 1 day ago

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.

Finnair
Mon, 8 Jun - Sun, 14 Jun
DUB
Dublin
DEN
Denver
€451 Return, found 3 days ago
€451
Return
found 3 days ago
Select Finnair flight, departing Mon, 8 Jun from Dublin to Denver, returning Sun, 14 Jun, priced at €451 found 3 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 €451. 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 €451 and reached a maximum of €761. For one-way journeys departing from Dublin (DUB), the cheapest seat during this time was only €339.
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 €451 and €761. 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.

Book with confidence

About Colorado

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About Colorado

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