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 48% 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 many flights depart from Ireland to Colorado on average per day?

As of May 2026, 2 flights take off from Ireland and land in Colorado each day. The most common flight departure time for this route is 15:00, with 100% of daily flights taking off in the afternoon.

How many flights depart from Ireland to Colorado on average per week?

As of May 2026, there are 20 flights per week flying from Ireland to Colorado. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.

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 24h 07m on average. Denver is the most popular airport in Colorado.

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

JetBlue, WestJet, and Aer Lingus 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 May 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.

€319 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.

05:55 - 15:40

DUB

DEN

16h 45m

1 stop

12:12 - 07:55

DEN

DUB

12h 43m

1 stop

€450Air France

Fri, 12 Jun - Tue, 23 Jun

12:40 - 19:36

DUB

DEN

13h 56m

1 stop

18:35 - 19:35

DEN

DUB

18h 00m

1 stop

€455Multiple Airlines

Wed, 17 Jun - Mon, 22 Jun

12:40 - 19:36

DUB

DEN

13h 56m

1 stop

12:39 - 09:45

DEN

DUB

14h 06m

1 stop

€457Finnair

Mon, 1 Jun - Mon, 15 Jun

09:30 - 00:17

DUB

DEN

21h 47m

1 stop

14:22 - 11:50

DEN

DUB

14h 28m

1 stop

€458Finnair

Sat, 6 Jun - Sat, 13 Jun

08:55 - 20:15

DUB

DEN

18h 20m

2 stops

05:40 - 07:55

DEN

DUB

19h 15m

2 stops

€461Delta

Fri, 5 Jun - Sat, 20 Jun

06:00 - 15:40

DUB

DEN

16h 40m

1 stop

13:15 - 08:45

DEN

DUB

12h 30m

1 stop

€461Delta

Sun, 7 Jun - Sat, 27 Jun

13:45 - 22:33

DUB

DEN

15h 48m

1 stop

06:38 - 09:35

DEN

DUB

19h 57m

1 stop

€465British Airways

Wed, 17 Jun - Tue, 23 Jun

07:10 - 00:17

ORK

DEN

24h 07m

2 stops

14:22 - 15:10

DEN

ORK

17h 48m

2 stops

€591British Airways

Thu, 4 Jun - Mon, 8 Jun

07:10 - 13:20

ORK

DEN

37h 10m

2 stops

14:11 - 10:45

DEN

ORK

37h 34m

2 stops

€641American Airlines

Thu, 4 Jun - Mon, 8 Jun

07:10 - 00:17

ORK

DEN

24h 07m

2 stops

07:13 - 15:10

DEN

ORK

24h 57m

2 stops

€643American Airlines

Thu, 4 Jun - Mon, 8 Jun

British Airways flights from Ireland to Colorado

Our best British Airways deals on Ireland to Colorado flight tickets

British Airways

17 Jun

DUB13:45Dublin

15h 48m

1 stop

DEN22:33Denver Intl

23 Jun

DEN06:38Denver Intl

19h 57m

1 stop

DUB09:35Dublin

€465

British Airways

25 May

DUB12:40Dublin

13h 56m

1 stop

DEN19:36Denver Intl

10 Jun

DEN08:48Denver Intl

14h 42m

1 stop

DUB06:30Dublin

€502

British Airways

4 Jun

ORK07:10Cork

24h 07m

2 stops

DEN00:17Denver Intl

8 Jun

DEN14:22Denver Intl

17h 48m

2 stops

ORK15:10Cork

€591

KLM flights from Ireland to Colorado

Our best KLM deals on Ireland to Colorado flight tickets

KLM

18 May

DUB11:10Dublin

16h 05m

2 stops

DEN20:15Denver Intl

27 May

DEN09:06Denver Intl

15h 49m

1 stop

DUB07:55Dublin

€461

KLM

18 May

DUB11:10Dublin

16h 05m

2 stops

DEN20:15Denver Intl

27 May

DEN06:30Denver Intl

19h 45m

1 stop

DUB09:15Dublin

€511

KLM

18 Jun

DUB13:25Dublin

37h 37m

2 stops

DEN20:02Denver Intl

27 Jun

DEN10:25Denver Intl

16h 35m

1 stop

DUB10:00Dublin

€512

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinDenver

DUB - DEN

DUBDEN

Dublin

Fri 12/6

05:55-15:40

1 stop16h 45m

Denver Intl

Tue 23/6

12:12-07:55

1 stop12h 43m

€450

DublinDenver

DUB - DEN

DUBDEN

Dublin

Wed 17/6

12:40-19:36

1 stop13h 56m

Denver Intl

Mon 22/6

18:35-19:35

1 stop18h 00m

€455

Fastest return journey

DublinDenver

DUB - DEN

DUBDEN

Dublin

Mon 1/6

12:40-19:36

1 stop13h 56m

Denver Intl

Mon 15/6

12:39-09:45

1 stop14h 06m

€457

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sat 6/6

09:30-00:17

1 stop21h 47m

Denver Intl

Sat 13/6

14:22-11:50

1 stop14h 28m

€458

DublinDenver

DUB - DEN

DUBDEN

Dublin

Fri 5/6

08:55-20:15

2 stops18h 20m

Denver Intl

Sat 20/6

05:40-07:55

2 stops19h 15m

€461

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sun 7/6

06:00-15:40

1 stop16h 40m

Denver Intl

Sat 27/6

13:15-08:45

1 stop12h 30m

€461

DublinDenver

DUB - DEN

DUBDEN

Dublin

Wed 17/6

13:45-22:33

1 stop15h 48m

Denver Intl

Tue 23/6

06:38-09:35

1 stop19h 57m

€465

CorkDenver

ORK - DEN

ORKDEN

Cork

Thu 4/6

07:10-00:17

2 stops24h 07m

Denver Intl

Mon 8/6

14:22-15:10

2 stops17h 48m

€591

CorkDenver

ORK - DEN

ORKDEN

Cork

Thu 4/6

07:10-13:20

2 stops37h 10m

Denver Intl

Mon 8/6

14:11-10:45

2 stops37h 34m

€641

CorkDenver

ORK - DEN

ORKDEN

Cork

Thu 4/6

07:10-00:17

2 stops24h 07m

Denver Intl

Mon 8/6

07:13-15:10

2 stops24h 57m

€643

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 May. Flight prices, which tend to average around €329, are often lower during this time because this is during the off-season. If you’re not able to fly to Colorado in May, then June is your next best option. Flight prices from Ireland to Colorado during June average around €338.

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 €638. 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 €883.

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 €623 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 €512 on momondo.

Can stopping save me money on Ireland to Colorado flights?

You could potentially save up to 35% 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

Frequently asked questions about flying 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 May 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 90.05% of the total bookings. Other popular models include Airbus A321neo with 3.98%, Airbus A321-100/200 with 2.99%, and Airbus A330-300 with 1.00%.

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 €374	Free Cancellation	Rating 7.0 654 reviews	Search Icelandair flights
British Airways	PriceFrom €387	Free Cancellation	Rating 6.7 7,979 reviews	Search British Airways flights
American Airlines	PriceFrom €390	Free Cancellation	Rating 7.1 11,666 reviews	Search American Airlines flights
Iberia	PriceFrom €445	Free Cancellation	Rating 7.0 3,216 reviews	Search Iberia flights
Aer Lingus	PriceFrom €469	Free Cancellation	Rating 7.3 1,561 reviews	Search Aer Lingus flights
United Airlines	PriceFrom €517	Free Cancellation	Rating 7.4 9,711 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.