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 54% 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 16h 20m on average. Denver is the most popular airport in Colorado.

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

Aer Lingus and British Airways 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 February 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.

€281 Cheap Flights from Ireland to Colorado in 2026

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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.

09:30 - 17:53

DUB

DEN

15h 23m

1 stop

18:40 - 19:20

DEN

DUB

17h 40m

1 stop

€281Multiple Airlines

Fri, 3 Apr - Thu, 16 Apr

09:30 - 17:53

DUB

DEN

15h 23m

1 stop

10:28 - 09:45

DEN

DUB

16h 17m

1 stop

€286Finnair

Fri, 3 Apr - Thu, 16 Apr

14:15 - 19:00

DUB

DEN

11h 45m

1 stop

16:40 - 11:05

DEN

DUB

11h 25m

1 stop

€364Icelandair

Thu, 9 Apr - Sat, 25 Apr

12:15 - 19:00

DUB

DEN

13h 45m

1 stop

16:40 - 13:15

DEN

DUB

13h 35m

1 stop

€365Icelandair

Sun, 12 Apr - Mon, 20 Apr

07:10 - 16:30

ORK

DEN

16h 20m

1 stop

12:24 - 10:45

DEN

ORK

15h 21m

2 stops

€535American Airlines

Wed, 6 May - Sun, 10 May

07:10 - 16:30

ORK

DEN

16h 20m

1 stop

18:40 - 19:50

DEN

ORK

18h 10m

1 stop

€537British Airways

Wed, 6 May - Sun, 10 May

11:25 - 22:45

ORK

DEN

18h 20m

2 stops

08:40 - 10:45

DEN

ORK

19h 05m

2 stops

€539American Airlines

Wed, 6 May - Sun, 10 May

16:05 - 15:53

ORK

DEN

30h 48m

2 stops

10:25 - 11:10

DEN

ORK

18h 45m

2 stops

€542British Airways

Thu, 5 Mar - Mon, 9 Mar

12:05 - 21:44

DUB

COS

39h 39m

2 stops

12:20 - 06:20

COS

DUB

36h 00m

2 stops

€953United Airlines

Sat, 21 Mar - Sat, 28 Mar

12:05 - 21:44

DUB

COS

39h 39m

2 stops

11:43 - 08:45

COS

DUB

15h 02m

1 stop

€987United Airlines

Sat, 21 Mar - Sat, 28 Mar

Finnair flights from Ireland to Colorado

Our best Finnair deals on Ireland to Colorado flight tickets

Finnair

3 Apr

DUB09:30Dublin

15h 23m

1 stop

DEN17:53Denver Intl

16 Apr

DEN10:28Denver Intl

16h 17m

1 stop

DUB09:45Dublin

€286

Finnair

7 Apr

DUB09:30Dublin

17h 25m

1 stop

DEN19:55Denver Intl

14 Apr

DEN10:28Denver Intl

16h 17m

1 stop

DUB09:45Dublin

€340

Icelandair flights from Ireland to Colorado

Our best Icelandair deals on Ireland to Colorado flight tickets

Icelandair

9 Apr

DUB14:15Dublin

11h 45m

1 stop

DEN19:00Denver Intl

25 Apr

DEN16:40Denver Intl

11h 25m

1 stop

DUB11:05Dublin

€364

Icelandair

12 Apr

DUB12:15Dublin

13h 45m

1 stop

DEN19:00Denver Intl

20 Apr

DEN16:40Denver Intl

13h 35m

1 stop

DUB13:15Dublin

€365

Icelandair

9 Apr

DUB14:15Dublin

11h 45m

1 stop

DEN19:00Denver Intl

25 Apr

DEN16:40Denver Intl

11h 25m

1 stop

DUB11:05Dublin

€366

Fly from

Fly to

Route

Depart

Return

Price

DublinDenver

DUB - DEN

DUBDEN

Dublin

Fri 3/4

09:30-17:53

1 stop15h 23m

Denver Intl

Thu 16/4

18:40-19:20

1 stop17h 40m

€281

DublinDenver

DUB - DEN

DUBDEN

Dublin

Fri 3/4

09:30-17:53

1 stop15h 23m

Denver Intl

Thu 16/4

10:28-09:45

1 stop16h 17m

€286

DublinDenver

DUB - DEN

DUBDEN

Dublin

Thu 9/4

14:15-19:00

1 stop11h 45m

Denver Intl

Sat 25/4

16:40-11:05

1 stop11h 25m

€364

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sun 12/4

12:15-19:00

1 stop13h 45m

Denver Intl

Mon 20/4

16:40-13:15

1 stop13h 35m

€365

CorkDenver

ORK - DEN

ORKDEN

Cork

Wed 6/5

07:10-16:30

1 stop16h 20m

Denver Intl

Sun 10/5

12:24-10:45

2 stops15h 21m

€535

CorkDenver

ORK - DEN

ORKDEN

Cork

Wed 6/5

07:10-16:30

1 stop16h 20m

Denver Intl

Sun 10/5

18:40-19:50

1 stop18h 10m

€537

CorkDenver

ORK - DEN

ORKDEN

Cork

Wed 6/5

11:25-22:45

2 stops18h 20m

Denver Intl

Sun 10/5

08:40-10:45

2 stops19h 05m

€539

CorkDenver

ORK - DEN

ORKDEN

Cork

Thu 5/3

16:05-15:53

2 stops30h 48m

Denver Intl

Mon 9/3

10:25-11:10

2 stops18h 45m

€542

DublinColorado Springs

DUB - COS

DUBCOS

Dublin

Sat 21/3

12:05-21:44

2 stops39h 39m

Colorado Springs

Sat 28/3

12:20-06:20

2 stops36h 00m

€953

DublinColorado Springs

DUB - COS

DUBCOS

Dublin

Sat 21/3

12:05-21:44

2 stops39h 39m

Colorado Springs

Sat 28/3

11:43-08:45

1 stop15h 02m

€987

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 €539, 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 €541.

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 €540. 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 €881.

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 €670 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 €510 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 February 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 79.75% of the total bookings. Other popular models include Airbus A321neo with 10.13%, Airbus A321-100/200 with 3.80%, and Airbus A330-300 with 2.53%.

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 €386	Free Cancellation	Rating 6.7 7,759 reviews	Search British Airways flights
American Airlines	PriceFrom €388	Free Cancellation	Rating 7.2 11,339 reviews	Search American Airlines flights
Icelandair	PriceFrom €418	Free Cancellation	Rating 7.1 617 reviews	Search Icelandair flights
Iberia	PriceFrom €443	Free Cancellation	Rating 7.0 3,123 reviews	Search Iberia flights
Aer Lingus	PriceFrom €467	Free Cancellation	Rating 7.2 1,462 reviews	Search Aer Lingus flights
United Airlines	PriceFrom €516	Free Cancellation	Rating 7.4 9,341 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.