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 52% 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 16h 15m on average. Denver is the most popular airport in Colorado.

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

WestJet, JetBlue, 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.

€320 Cheap Flights from Ireland to Colorado in 2026

1 adult

0 bags

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.

09:30 - 00:17

DUB

DEN

21h 47m

1 stop

14:22 - 11:50

DEN

DUB

14h 28m

1 stop

€449Finnair

Fri, 12 Jun - Tue, 23 Jun

09:30 - 00:17

DUB

DEN

21h 47m

1 stop

18:35 - 19:35

DEN

DUB

18h 00m

1 stop

€452Multiple Airlines

Sat, 6 Jun - Mon, 22 Jun

12:40 - 19:36

DUB

DEN

13h 56m

1 stop

18:35 - 19:35

DEN

DUB

18h 00m

1 stop

€456Multiple Airlines

Wed, 17 Jun - Mon, 22 Jun

06:15 - 17:14

ORK

DEN

17h 59m

2 stops

14:15 - 14:40

DEN

ORK

17h 25m

2 stops

€458Multiple Airlines

Fri, 5 Jun - Tue, 9 Jun

11:10 - 22:40

DUB

DEN

18h 30m

2 stops

17:40 - 18:25

DEN

DUB

17h 45m

1 stop

€459Delta

Sat, 6 Jun - Mon, 22 Jun

05:55 - 17:39

DUB

DEN

18h 44m

2 stops

17:40 - 18:25

DEN

DUB

17h 45m

1 stop

€460Delta

Wed, 17 Jun - Mon, 22 Jun

20:30 - 16:52

ORK

DEN

27h 22m

2 stops

08:48 - 10:45

DEN

ORK

18h 57m

2 stops

€608British Airways

Fri, 5 Jun - Tue, 9 Jun

07:10 - 16:25

ORK

DEN

16h 15m

1 stop

18:35 - 23:50

DEN

ORK

22h 15m

1 stop

€786British Airways

Wed, 7 Oct - Wed, 21 Oct

12:40 - 22:24

DUB

COS

16h 44m

1 stop

10:43 - 09:45

COS

DUB

16h 02m

1 stop

€1,057Iberia

Fri, 3 Jul - Fri, 10 Jul

09:20 - 11:09

DUB

COS

32h 49m

2 stops

12:11 - 09:45

COS

DUB

14h 34m

1 stop

€1,076United Airlines

Fri, 3 Jul - Fri, 10 Jul

American Airlines flights from Ireland to Colorado

Our best American Airlines deals on Ireland to Colorado flight tickets

American Airlines

18 Jun

DUB09:30Dublin

21h 47m

1 stop

DEN00:17Denver Intl

22 Jun

DEN14:22Denver Intl

14h 28m

1 stop

DUB11:50Dublin

€471

American Airlines

11 Jun

DUB12:40Dublin

15h 58m

1 stop

DEN21:38Denver Intl

15 Jun

DEN12:39Denver Intl

14h 06m

1 stop

DUB09:45Dublin

€471

American Airlines

6 Jun

DUB11:45Dublin

18h 14m

1 stop

DEN22:59Denver Intl

20 Jun

DEN20:00Denver Intl

8h 45m

DUB11:45Dublin

€606

JetBlue flights from Ireland to Colorado

Our best JetBlue deals on Ireland to Colorado flight tickets

JetBlue

6 Jun

DUB10:40Dublin

17h 55m

1 stop

DEN21:35Denver Intl

22 Jun

DEN23:59Denver Intl

26h 01m

1 stop

DUB09:00Dublin

€558

JetBlue

22 Jul

DUB10:40Dublin

19h 01m

1 stop

DEN22:41Denver Intl

26 Jul

DEN23:37Denver Intl

25h 43m

1 stop

DUB08:20Dublin

€598

JetBlue

10 Oct

DUB10:40Dublin

13h 20m

1 stop

DEN17:00Denver Intl

23 Oct

DEN12:59Denver Intl

12h 21m

1 stop

DUB08:20Dublin

€608

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinDenver

DUB - DEN

DUBDEN

Dublin

Fri 12/6

09:30-00:17

1 stop21h 47m

Denver Intl

Tue 23/6

14:22-11:50

1 stop14h 28m

€449

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sat 6/6

09:30-00:17

1 stop21h 47m

Denver Intl

Mon 22/6

18:35-19:35

1 stop18h 00m

€452

Fastest return journey

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

€456

CorkDenver

ORK - DEN

ORKDEN

Cork

Fri 5/6

06:15-17:14

2 stops17h 59m

Denver Intl

Tue 9/6

14:15-14:40

2 stops17h 25m

€458

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sat 6/6

11:10-22:40

2 stops18h 30m

Denver Intl

Mon 22/6

17:40-18:25

1 stop17h 45m

€459

DublinDenver

DUB - DEN

DUBDEN

Dublin

Wed 17/6

05:55-17:39

2 stops18h 44m

Denver Intl

Mon 22/6

17:40-18:25

1 stop17h 45m

€460

CorkDenver

ORK - DEN

ORKDEN

Cork

Fri 5/6

20:30-16:52

2 stops27h 22m

Denver Intl

Tue 9/6

08:48-10:45

2 stops18h 57m

€608

CorkDenver

ORK - DEN

ORKDEN

Cork

Wed 7/10

07:10-16:25

1 stop16h 15m

Denver Intl

Wed 21/10

18:35-23:50

1 stop22h 15m

€786

DublinColorado Springs

DUB - COS

DUBCOS

Dublin

Fri 3/7

12:40-22:24

1 stop16h 44m

Colorado Springs

Fri 10/7

10:43-09:45

1 stop16h 02m

€1,057

DublinColorado Springs

DUB - COS

DUBCOS

Dublin

Fri 3/7

09:20-11:09

2 stops32h 49m

Colorado Springs

Fri 10/7

12:11-09:45

1 stop14h 34m

€1,076

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 €333, 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 €342.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as €684. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Colorado is Friday, with ticket prices averaging around €879.

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 €631 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 €519 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 23% 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

Best price found	€740
Fastest flight time	9h 50m
Direct flights	Mon, Tue, Thu, Sat and Sun
Airports in Colorado	87 airports

The best flight deal from Ireland to Colorado found on momondo in the last 72 hours is €740

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 91.20% of the total bookings. Other popular models include Airbus A321neo with 3.70%, Airbus A321-100/200 with 2.78%, and Airbus A330-300 with 0.93%.

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 7.0 657 reviews	Search Icelandair flights
British Airways	PriceFrom €392	Free Cancellation	Rating 6.7 7,998 reviews	Search British Airways flights
American Airlines	PriceFrom €394	Free Cancellation	Rating 7.1 11,631 reviews	Search American Airlines flights
Iberia	PriceFrom €450	Free Cancellation	Rating 7.0 3,220 reviews	Search Iberia flights
Aer Lingus	PriceFrom €474	Free Cancellation	Rating 7.3 1,580 reviews	Search Aer Lingus flights
United Airlines	PriceFrom €524	Free Cancellation	Rating 7.4 9,752 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.