Which airlines fly to Colorado?

Aer Lingus, American Airlines and Icelandair are the top three most popular airlines that fly to Colorado from Ireland according to our data. Aer Lingus is the first choice among our users, with 51% of people opting to fly with this airline when travelling to Colorado. Keep in mind that there are 6 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

How long is the flight from Ireland to Colorado?

The average flight duration from Ireland to Colorado depends on which airport you fly into and out of. Flying from Dublin to Denver is 9h 50m on average, while flying from Cork to Denver is 19h 08m on average. Denver is the most popular airport in Colorado.

What is the cheapest airline that flies from Ireland to Colorado?

JetBlue, Aer Lingus, and Iberia are the most popular carriers operating from Ireland to Colorado

When did momondo last update prices for flights from Ireland to Colorado?

Prices for flights from Ireland to Colorado were last updated today.

How many operators does momondo search for flights from Ireland to Colorado?

As of March 2026, there are 6 operators available to choose from for flights from Ireland to Colorado.

How old do you have to be to fly from Ireland to Colorado?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Colorado.

What documentation or ID do you need to fly to Colorado?

The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

€311 Cheap Flights from Ireland to Colorado in 2026

Discover deals from 900+ travel sites with momondo.

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Ireland to Colorado

Round-trip

One-way

Last minute

Direct

Recent return flight deals from Ireland to Colorado

Enter your travel dates to find the best prices.

14:15 - 19:00

DUB

DEN

11h 45m

1 stop

16:40 - 13:15

DEN

DUB

13h 35m

1 stop

€405Icelandair

Mon, 4 May - Mon, 25 May

12:15 - 19:00

DUB

DEN

13h 45m

1 stop

16:40 - 13:15

DEN

DUB

13h 35m

1 stop

€406Icelandair

Wed, 6 May - Mon, 25 May

14:15 - 19:00

DUB

DEN

11h 45m

1 stop

20:10 - 11:05

DEN

DUB

31h 55m

1 stop

€412Icelandair

Mon, 4 May - Mon, 25 May

09:40 - 22:45

DUB

DEN

20h 05m

2 stops

14:21 - 11:50

DEN

DUB

14h 29m

1 stop

€452Finnair

Wed, 6 May - Mon, 25 May

08:35 - 16:20

DUB

DEN

14h 45m

1 stop

18:30 - 07:45

DEN

DUB

30h 15m

1 stop

€453British Airways

Wed, 22 Apr - Sun, 26 Apr

20:20 - 16:20

DUB

DEN

27h 00m

1 stop

18:30 - 14:30

DEN

DUB

13h 00m

1 stop

€454British Airways

Thu, 7 May - Mon, 11 May

09:30 - 19:55

DUB

DEN

17h 25m

1 stop

10:28 - 09:45

DEN

DUB

16h 17m

1 stop

€456Finnair

Fri, 1 May - Tue, 12 May

07:10 - 16:20

ORK

DEN

16h 10m

1 stop

18:30 - 19:50

DEN

ORK

18h 20m

1 stop

€857American Airlines

Wed, 8 Apr - Sun, 12 Apr

09:20 - 21:31

DUB

COS

19h 11m

2 stops

11:43 - 10:40

COS

DUB

15h 57m

2 stops

€951United Airlines

Fri, 8 May - Fri, 15 May

09:50 - 21:26

DUB

COS

18h 36m

2 stops

09:20 - 07:45

COS

DUB

15h 25m

2 stops

€3,234United Airlines

Thu, 2 Jul - Sun, 12 Jul

Finnair flights from Ireland to Colorado

Our best Finnair deals on Ireland to Colorado flight tickets

Finnair

6 May

DUB09:40Dublin

20h 05m

2 stops

DEN22:45Denver Intl

25 May

DEN14:21Denver Intl

14h 29m

1 stop

DUB11:50Dublin

€452

Finnair

1 May

DUB09:30Dublin

17h 25m

1 stop

DEN19:55Denver Intl

12 May

DEN10:28Denver Intl

16h 17m

1 stop

DUB09:45Dublin

€456

Finnair

1 May

DUB09:30Dublin

17h 25m

1 stop

DEN19:55Denver Intl

12 May

DEN10:28Denver Intl

16h 17m

1 stop

DUB09:45Dublin

€457

British Airways flights from Ireland to Colorado

Our best British Airways deals on Ireland to Colorado flight tickets

British Airways

22 Apr

DUB08:35Dublin

14h 45m

1 stop

DEN16:20Denver Intl

26 Apr

DEN18:30Denver Intl

30h 15m

1 stop

DUB07:45Dublin

€453

British Airways

7 May

DUB20:20Dublin

27h 00m

1 stop

DEN16:20Denver Intl

11 May

DEN18:30Denver Intl

13h 00m

1 stop

DUB14:30Dublin

€454

British Airways

7 May

DUB20:20Dublin

27h 42m

2 stops

DEN17:02Denver Intl

11 May

DEN18:30Denver Intl

17h 10m

1 stop

DUB18:40Dublin

€458

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

DublinDenver

DUB - DEN

DUBDEN

Dublin

Mon 4/5

14:15-19:00

1 stop11h 45m

Denver Intl

Mon 25/5

16:40-13:15

1 stop13h 35m

€405

DublinDenver

DUB - DEN

DUBDEN

Dublin

Wed 6/5

12:15-19:00

1 stop13h 45m

Denver Intl

Mon 25/5

16:40-13:15

1 stop13h 35m

€406

DublinDenver

DUB - DEN

DUBDEN

Dublin

Mon 4/5

14:15-19:00

1 stop11h 45m

Denver Intl

Mon 25/5

20:10-11:05

1 stop31h 55m

€412

DublinDenver

DUB - DEN

DUBDEN

Dublin

Wed 6/5

09:40-22:45

2 stops20h 05m

Denver Intl

Mon 25/5

14:21-11:50

1 stop14h 29m

€452

DublinDenver

DUB - DEN

DUBDEN

Dublin

Wed 22/4

08:35-16:20

1 stop14h 45m

Denver Intl

Sun 26/4

18:30-07:45

1 stop30h 15m

€453

DublinDenver

DUB - DEN

DUBDEN

Dublin

Thu 7/5

20:20-16:20

1 stop27h 00m

Denver Intl

Mon 11/5

18:30-14:30

1 stop13h 00m

€454

DublinDenver

DUB - DEN

DUBDEN

Dublin

Fri 1/5

09:30-19:55

1 stop17h 25m

Denver Intl

Tue 12/5

10:28-09:45

1 stop16h 17m

€456

CorkDenver

ORK - DEN

ORKDEN

Cork

Wed 8/4

07:10-16:20

1 stop16h 10m

Denver Intl

Sun 12/4

18:30-19:50

1 stop18h 20m

€857

DublinColorado Springs

DUB - COS

DUBCOS

Dublin

Fri 8/5

09:20-21:31

2 stops19h 11m

Colorado Springs

Fri 15/5

11:43-10:40

2 stops15h 57m

€951

DublinColorado Springs

DUB - COS

DUBCOS

Dublin

Thu 2/7

09:50-21:26

2 stops18h 36m

Colorado Springs

Sun 12/7

09:20-07:45

2 stops15h 25m

€3,234

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ireland to Colorado

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Colorado?

The cheapest month to fly to Colorado from Ireland is in September. Flight prices, which tend to average around €514, are often lower during this time because this is during the off-season. If you’re not able to fly to Colorado in September, then February is your next best option. Flight prices from Ireland to Colorado during February average around €528.

What is the cheapest day to depart on your flight to Colorado?

On average, the least expensive day to fly to Colorado from Ireland is on a Saturday. momondo users have found tickets for Saturday departures for as low as €549. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Colorado is Sunday, with ticket prices averaging around €895.

What is the cheapest Ireland to Colorado flight route?

Fly from Dublin to Denver Intl for the best Ireland - Colorado flight prices

How far in advance should I book a flight to Colorado?

You are more likely to see cheaper flights to Colorado from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around €673 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Ireland for as low as €516 on momondo.

What cabin class options are available on Ireland to Colorado flights?

There is only 1 cabin class available to choose from on Ireland to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ireland to Colorado flights?

You could potentially save up to 11% on your flight if you consider stops on a Ireland to Colorado flight.

Cheap Ireland to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Colorado

Fastest flight time	9h 50m
Direct flights	Mon, Tue, Thu, Sat and Sun
Airports in Colorado	87 airports

The fastest flight from Ireland to Colorado takes 9h 50m

Direct flights go from Ireland to Colorado on Monday, Tuesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights..

There are 87 airports in Colorado. From Ireland there are direct flights to Denver Intl (DEN).

Search flight deals

When did momondo last update prices for flights from Ireland to Colorado?
Prices for flights from Ireland to Colorado were last updated today.
How many operators does momondo search for flights from Ireland to Colorado?
As of March 2026, there are 6 operators available to choose from for flights from Ireland to Colorado.
How old do you have to be to fly from Ireland to Colorado?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Colorado.
What documentation or ID do you need to fly to Colorado?
The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Ireland to Colorado?
Based on momondo bookings for flights between Ireland and Colorado, the leading plane model is Airbus A330-200, making up 78.08% of the total bookings. Other popular models include Airbus A321neo with 10.96%, Airbus A321-100/200 with 4.11%, and Airbus A330-300 with 2.74%.

Best airlines flying from Ireland to Colorado

Compare and see reviews for airlines that fly from Ireland to Colorado with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom €379	Free Cancellation	Rating 7.0 625 reviews	Search Icelandair flights
British Airways	PriceFrom €392	Free Cancellation	Rating 6.7 7,817 reviews	Search British Airways flights
American Airlines	PriceFrom €395	Free Cancellation	Rating 7.1 11,493 reviews	Search American Airlines flights
Iberia	PriceFrom €451	Free Cancellation	Rating 7.0 3,152 reviews	Search Iberia flights
Aer Lingus	PriceFrom €475	Free Cancellation	Rating 7.2 1,487 reviews	Search Aer Lingus flights
United Airlines	PriceFrom €524	Free Cancellation	Rating 7.4 9,476 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Colorado?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Colorado from Ireland.

Can I find flights from Ireland to Colorado with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Colorado from Ireland with this policy.

How can momondo help me find flights from Ireland to Colorado?

Once you have performed a search for Ireland to Colorado flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ireland to Colorado right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Colorado, momondo offers a useful price alert feature which will track prices for flights to Colorado from Ireland and alert you when they change.