What airlines fly to Colorado?

Aer Lingus, United Airlines and American Airlines 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 59% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 3 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

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

Aer Lingus is the most popular carrier operating from Ireland to Colorado

How long is the flight from Ireland to Colorado?

Flight times from Ireland to Colorado vary, but if you’re flying out of Dublin and flying into Denver (one of the most popular routes), then the duration is 9h 50m on average. Another popular route from Ireland to Colorado is flying from Shannon to Denver, which will take roughly 15h 48m. Keep in mind that layovers or delays could extend your travel time.

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?

There are 3 operators available for flights from Ireland to Colorado as of March 2026.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Colorado trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$360 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

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Recent round-trip flight deals from Ireland to Colorado

Enter your travel dates to find the best prices.

12:15 pm - 7:00 pm

DUB

DEN

13h 45m

1 stop

4:40 pm - 1:15 pm

DEN

DUB

13h 35m

1 stop

$471Icelandair

Wed, May 6 - Mon, May 25

12:15 pm - 7:00 pm

DUB

DEN

13h 45m

1 stop

8:10 pm - 11:05 am

DEN

DUB

31h 55m

1 stop

$474Icelandair

Wed, May 20 - Wed, Jun 10

2:15 pm - 7:00 pm

DUB

DEN

11h 45m

1 stop

4:40 pm - 11:05 am

DEN

DUB

11h 25m

1 stop

$476Icelandair

Tue, May 12 - Sat, Sep 19

9:40 am - 10:45 pm

DUB

DEN

20h 05m

2 stops

6:30 pm - 7:35 pm

DEN

DUB

18h 05m

1 stop

$516Multiple Airlines

Thu, Apr 23 - Mon, Apr 27

8:35 am - 4:20 pm

DUB

DEN

14h 45m

1 stop

6:30 pm - 7:35 pm

DEN

DUB

18h 05m

1 stop

$519Multiple Airlines

Thu, Apr 23 - Mon, Apr 27

1:45 pm - 8:24 am

SNN

DEN

25h 39m

2 stops

8:47 am - 5:25 am

DEN

SNN

13h 38m

2 stops

$695American Airlines

Thu, Jun 4 - Sun, Jun 7

1:45 pm - 11:59 pm

SNN

DEN

17h 14m

2 stops

8:47 am - 5:25 am

DEN

SNN

13h 38m

2 stops

$698American Airlines

Thu, Jun 4 - Sun, Jun 7

8:30 pm - 4:20 pm

ORK

DEN

26h 50m

1 stop

6:30 pm - 3:10 pm

DEN

ORK

13h 40m

1 stop

$1,173Aer Lingus

Sun, Apr 5 - Thu, Apr 9

9:50 am - 9:26 pm

DUB

COS

18h 36m

2 stops

9:20 am - 7:45 am

COS

DUB

15h 25m

2 stops

$3,748United Airlines

Thu, Jul 2 - Sun, Jul 12

11:35 am - 9:55 pm

DUB

COS

17h 20m

1 stop

8:45 am - 7:45 am

COS

DUB

16h 00m

2 stops

$3,756United Airlines

Thu, Jul 2 - Sun, Jul 12

Icelandair flights from Ireland to Colorado

Our best Icelandair deals on Ireland to Colorado flight tickets

Icelandair

May 6

DUB12:15 pmDublin

13h 45m

1 stop

DEN7:00 pmDenver Intl

May 25

DEN4:40 pmDenver Intl

13h 35m

1 stop

DUB1:15 pmDublin

$471

Icelandair

May 20

DUB12:15 pmDublin

13h 45m

1 stop

DEN7:00 pmDenver Intl

Jun 10

DEN8:10 pmDenver Intl

31h 55m

1 stop

DUB11:05 amDublin

$474

Icelandair

May 12

DUB2:15 pmDublin

11h 45m

1 stop

DEN7:00 pmDenver Intl

Sep 19

DEN4:40 pmDenver Intl

11h 25m

1 stop

DUB11:05 amDublin

$476

Finnair flights from Ireland to Colorado

Our best Finnair deals on Ireland to Colorado flight tickets

Finnair

May 3

DUB9:40 amDublin

20h 05m

2 stops

DEN10:45 pmDenver Intl

May 10

DEN10:28 amDenver Intl

16h 17m

1 stop

DUB9:45 amDublin

$524

Finnair

May 1

DUB9:30 amDublin

17h 25m

1 stop

DEN7:55 pmDenver Intl

May 12

DEN10:28 amDenver Intl

16h 17m

1 stop

DUB9:45 amDublin

$527

Finnair

May 1

DUB9:30 amDublin

17h 25m

1 stop

DEN7:55 pmDenver Intl

May 12

DEN10:28 amDenver Intl

16h 17m

1 stop

DUB9:45 amDublin

$529

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DublinDenver

DUB - DEN

DUBDEN

Dublin

Wed 5/6

12:15 pm-7:00 pm

1 stop13h 45m

Denver Intl

Mon 5/25

4:40 pm-1:15 pm

1 stop13h 35m

$471

DublinDenver

DUB - DEN

DUBDEN

Dublin

Wed 5/20

12:15 pm-7:00 pm

1 stop13h 45m

Denver Intl

Wed 6/10

8:10 pm-11:05 am

1 stop31h 55m

$474

Quickest round-trip

DublinDenver

DUB - DEN

DUBDEN

Dublin

Tue 5/12

2:15 pm-7:00 pm

1 stop11h 45m

Denver Intl

Sat 9/19

4:40 pm-11:05 am

1 stop11h 25m

$476

DublinDenver

DUB - DEN

DUBDEN

Dublin

Thu 4/23

9:40 am-10:45 pm

2 stops20h 05m

Denver Intl

Mon 4/27

6:30 pm-7:35 pm

1 stop18h 05m

$516

DublinDenver

DUB - DEN

DUBDEN

Dublin

Thu 4/23

8:35 am-4:20 pm

1 stop14h 45m

Denver Intl

Mon 4/27

6:30 pm-7:35 pm

1 stop18h 05m

$519

ShannonDenver

SNN - DEN

SNNDEN

Shannon

Thu 6/4

1:45 pm-8:24 am

2 stops25h 39m

Denver Intl

Sun 6/7

8:47 am-5:25 am

2 stops13h 38m

$695

ShannonDenver

SNN - DEN

SNNDEN

Shannon

Thu 6/4

1:45 pm-11:59 pm

2 stops17h 14m

Denver Intl

Sun 6/7

8:47 am-5:25 am

2 stops13h 38m

$698

CorkDenver

ORK - DEN

ORKDEN

Cork

Sun 4/5

8:30 pm-4:20 pm

1 stop26h 50m

Denver Intl

Thu 4/9

6:30 pm-3:10 pm

1 stop13h 40m

$1,173

DublinColorado Springs

DUB - COS

DUBCOS

Dublin

Thu 7/2

9:50 am-9:26 pm

2 stops18h 36m

Colorado Springs

Sun 7/12

9:20 am-7:45 am

2 stops15h 25m

$3,748

DublinColorado Springs

DUB - COS

DUBCOS

Dublin

Thu 7/2

11:35 am-9:55 pm

1 stop17h 20m

Colorado Springs

Sun 7/12

8:45 am-7:45 am

2 stops16h 00m

$3,756

Flights are sorted by cheapest round-trip 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 month of September is, on average, the cheapest month to fly to Colorado from Ireland, with most prices found around $596. The month of February is another great option to travel to Colorado, with average flight prices from Ireland averaging around $612.

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

The cheapest day to depart from Ireland to Colorado is on a Friday when prices can be found for as low as $486. On the other hand, Monday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,107.

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 $780 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Ireland for as low as $598 on momondo.

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

There are 3 cabin classes 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 25% 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?
There are 3 operators available for flights from Ireland to Colorado as of March 2026.
How old do you have to be to fly from Ireland to Colorado?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Colorado trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Ireland to Colorado?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Ireland to Colorado is Airbus A330-200 (78.08% of total bookings). The next most popular plane models are Airbus A321neo (10.96%), Airbus A321-100/200 (4.11%), and Airbus A330-300 (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
Aer Lingus	PriceFrom $433	Free Cancellation	Rating 7.2 1,481 reviews	Search Aer Lingus flights
American Airlines	PriceFrom $484	Free Cancellation	Rating 7.1 11,487 reviews	Search American Airlines flights
United Airlines	PriceFrom $625	Free Cancellation	Rating 7.4 9,455 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?

All flight searches from Ireland to Colorado on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Colorado from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.