Which airlines fly to Colorado?

Aer Lingus, Icelandair and British Airways 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 49% of people opting to fly with this airline when travelling to Colorado. Keep in mind that there are 4 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 34m on average, while flying from Cork to Denver is 27h on average. Denver is the most popular airport in Colorado.

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

WestJet, 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 January 2026, there are 4 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.

€301 Cheap Flights from Ireland to Colorado in 2026

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Find the cheapest flights from Ireland to Colorado

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Recent return flight deals from Ireland to Colorado

Enter your travel dates to find the best prices.

20:40 - 15:30

DUB

DEN

25h 50m1 stop

17:25 - 12:45

DEN

DUB

12h 20m1 stop

€342British Airways

Tue, 17 Feb - Sat, 28 Feb

10:30 - 16:30

DUB

DEN

13h 00m1 stop

18:40 - 18:00

DEN

DUB

16h 20m1 stop

€346British Airways

Wed, 3 Jun - Wed, 10 Jun

08:50 - 22:34

DUB

DEN

20h 44m2 stops

17:25 - 07:55

DEN

DUB

31h 30m1 stop

€346British Airways

Mon, 9 Feb - Sun, 22 Feb

17:55 - 18:13

DUB

DEN

31h 18m2 stops

15:17 - 19:40

DEN

DUB

21h 23m2 stops

€347British Airways

Sat, 31 Jan - Sun, 8 Feb

08:50 - 16:30

DUB

DEN

13h 40m1 stop

17:58 - 17:00

DEN

DUB

17h 02m2 stops

€352British Airways

Tue, 10 Mar - Tue, 17 Mar

10:55 - 21:02

DUB

DEN

17h 07m2 stops

18:25 - 14:20

DEN

DUB

13h 55m1 stop

€357Multiple Airlines

Tue, 3 Mar - Tue, 24 Mar

16:00 - 17:41

DUB

COS

32h 41m2 stops

13:06 - 12:10

COS

DUB

16h 04m2 stops

€752American Airlines

Fri, 23 Jan - Tue, 27 Jan

10:45 - 11:36

DUB

COS

31h 51m2 stops

13:06 - 12:10

COS

DUB

16h 04m2 stops

€754American Airlines

Fri, 23 Jan - Tue, 27 Jan

09:30 - 20:05

DUB

COS

17h 35m2 stops

11:43 - 08:10

COS

DUB

13h 27m1 stop

€829United Airlines

Fri, 23 Jan - Tue, 27 Jan

09:30 - 21:06

DUB

COS

18h 36m2 stops

11:43 - 08:10

COS

DUB

13h 27m1 stop

€830United Airlines

Fri, 23 Jan - Tue, 27 Jan

British Airways flights from Ireland to Colorado

Our best British Airways deals on Ireland to Colorado flight tickets

British Airways

17 Feb

DUB20:40Dublin

25h 50m

1 stop

DEN15:30Denver Intl

1 Mar

DEN17:25Denver Intl

19h 15m

1 stop

DUB19:40Dublin

€342

Find similar

British Airways

3 Jun

DUB10:30Dublin

13h 00m

1 stop

DEN16:30Denver Intl

10 Jun

DEN18:40Denver Intl

16h 20m

1 stop

DUB18:00Dublin

€346

Find similar

British Airways

9 Feb

DUB08:50Dublin

20h 44m

2 stops

DEN22:34Denver Intl

22 Feb

DEN17:25Denver Intl

31h 30m

1 stop

DUB07:55Dublin

€346

Find similar

Scandinavian Airlines flights from Ireland to Colorado

Our best Scandinavian Airlines deals on Ireland to Colorado flight tickets

Scandinavian Airlines

10 Jan

DUB10:10Dublin

20h 01m

2 stops

DEN23:11Denver Intl

31 Mar

DEN06:40Denver Intl

28h 40m

3 stops

DUB18:20Dublin

€1,753

Find similar

Scandinavian Airlines

10 Jan

DUB10:10Dublin

20h 01m

2 stops

DEN23:11Denver Intl

31 Mar

DEN06:40Denver Intl

28h 40m

3 stops

DUB18:20Dublin

€1,756

Find similar

Scandinavian Airlines

10 Jan

DUB10:10Dublin

20h 01m

2 stops

DEN23:11Denver Intl

31 Mar

DEN06:40Denver Intl

22h 10m

3 stops

DUB11:50Dublin

€1,860

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinDenver

DUB - DEN

DUBDEN

Dublin

Tue 17/2

20:40-15:30

1 stop25h 50m

Denver Intl

Sat 28/2

17:25-12:45

1 stop12h 20m

€342

DublinDenver

DUB - DEN

DUBDEN

Dublin

Wed 3/6

10:30-16:30

1 stop13h 00m

Denver Intl

Wed 10/6

18:40-18:00

1 stop16h 20m

€346

DublinDenver

DUB - DEN

DUBDEN

Dublin

Mon 9/2

08:50-22:34

2 stops20h 44m

Denver Intl

Sun 22/2

17:25-07:55

1 stop31h 30m

€346

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sat 31/1

17:55-18:13

2 stops31h 18m

Denver Intl

Sun 8/2

15:17-19:40

2 stops21h 23m

€347

DublinDenver

DUB - DEN

DUBDEN

Dublin

Tue 10/3

08:50-16:30

1 stop13h 40m

Denver Intl

Tue 17/3

17:58-17:00

2 stops17h 02m

€352

DublinDenver

DUB - DEN

DUBDEN

Dublin

Tue 3/3

10:55-21:02

2 stops17h 07m

Denver Intl

Tue 24/3

18:25-14:20

1 stop13h 55m

€357

DublinColorado Springs

DUB - COS

DUBCOS

Dublin

Fri 23/1

16:00-17:41

2 stops32h 41m

Colorado Springs

Tue 27/1

13:06-12:10

2 stops16h 04m

€752

DublinColorado Springs

DUB - COS

DUBCOS

Dublin

Fri 23/1

10:45-11:36

2 stops31h 51m

Colorado Springs

Tue 27/1

13:06-12:10

2 stops16h 04m

€754

DublinColorado Springs

DUB - COS

DUBCOS

Dublin

Fri 23/1

09:30-20:05

2 stops17h 35m

Colorado Springs

Tue 27/1

11:43-08:10

1 stop13h 27m

€829

DublinColorado Springs

DUB - COS

DUBCOS

Dublin

Fri 23/1

09:30-21:06

2 stops18h 36m

Colorado Springs

Tue 27/1

11:43-08:10

1 stop13h 27m

€830

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 €525, 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 October is your next best option. Flight prices from Ireland to Colorado during October average around €545.

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 €641. 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 €888.

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 €677 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 €534 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 34m
Direct flights	Mon, Tue, Thu, Sat and Sun
Airports in Colorado	87 airports

The fastest flight from Ireland to Colorado takes 9h 34m

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 January 2026, there are 4 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 67.86% of the total bookings. Other popular models include Airbus A321neo with 14.29%, Airbus A321-100/200 with 8.93%, and Airbus A330-300 with 3.57%.

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
British Airways	PriceFrom €426	Free Cancellation	Rating 6.7 7,659 reviews	Search British Airways flights
Aer Lingus	PriceFrom €471	Free Cancellation	Rating 7.2 1,429 reviews	Search Aer Lingus flights
United Airlines	PriceFrom €520	Free Cancellation	Rating 7.4 9,141 reviews	Search United Airlines flights
Icelandair	PriceFrom €539	Free Cancellation	Rating 7.1 593 reviews	Search Icelandair 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.