What airlines fly to Colorado?

Aer Lingus, American Airlines and United 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 63% of people opting to fly with this airline when traveling 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.

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

Delta, Aer Lingus, and British Airways are the most popular carriers 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 11h 45m on average. Another popular route from Ireland to Colorado is flying from Shannon to Denver, which will take roughly 17h 27m. 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 4 operators available for flights from Ireland to Colorado as of October 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.

$458 Cheap Flights from Ireland to Colorado in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ireland to Colorado

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ireland to Colorado

Enter your travel dates to find the best prices.

11:30 am - 6:00 pmDUB Dublin-DEN Denver Intl

13h 30m1 stop Reykjavik Keflavik Intl

3:40 pm - 10:15 amDEN Denver Intl-DUB Dublin

11h 35m1 stop Reykjavik Keflavik Intl

$566Icelandair

Thu, Nov 12 - Thu, Nov 26

2:15 pm - 7:00 pmDUB Dublin-DEN Denver Intl

11h 45m1 stop Reykjavik Keflavik Intl

3:40 pm - 10:15 amDEN Denver Intl-DUB Dublin

11h 35m1 stop Reykjavik Keflavik Intl

$580Icelandair

Thu, Oct 22 - Wed, Nov 4

2:15 pm - 7:00 pmDUB Dublin-DEN Denver Intl

11h 45m1 stop Reykjavik Keflavik Intl

3:40 pm - 10:15 amDEN Denver Intl-DUB Dublin

11h 35m1 stop Reykjavik Keflavik Intl

$587Icelandair

Thu, Oct 22 - Wed, Nov 4

8:35 pm - 3:10 pmDUB Dublin-DEN Denver Intl

25h 35m1 stop London Heathrow

5:01 pm - 7:45 pmDEN Denver Intl-DUB Dublin

19h 44m1 stop London Heathrow

$627British Airways

Fri, Nov 6 - Sun, Nov 22

12:55 pm - 11:48 pmDUB Dublin-DEN Denver Intl

17h 53m1 stop Dallas/Fort Worth

6:46 am - 8:40 amDEN Denver Intl-DUB Dublin

18h 54m2 stops Chicago O'Hare Intl Philadelphia

$642American Airlines

Thu, Nov 12 - Thu, Nov 26

12:55 pm - 7:53 pmDUB Dublin-DEN Denver Intl

13h 58m1 stop Dallas/Fort Worth

5:30 am - 7:10 amDEN Denver Intl-DUB Dublin

18h 40m1 stop Dallas/Fort Worth

$642American Airlines

Thu, Nov 12 - Thu, Nov 26

8:40 pm - 3:10 pmDUB Dublin-DEN Denver Intl

25h 30m1 stop London Heathrow

5:01 pm - 2:15 pmDEN Denver Intl-DUB Dublin

14h 14m1 stop London Heathrow

$644British Airways

Mon, Nov 2 - Sun, Nov 15

9:00 am - 4:50 pmDUB Dublin-DEN Denver Intl

14h 50m1 stop Toronto Pearson Intl

7:40 am - 10:20 amDEN Denver Intl-DUB Dublin

19h 40m1 stop Washington, D.C. Dulles Intl

$676United Airlines

Sun, Nov 8 - Mon, Nov 23

9:00 am - 10:35 amDUB Dublin-DEN Denver Intl

32h 35m1 stop Toronto Pearson Intl

1:25 pm - 8:10 amDEN Denver Intl-DUB Dublin

11h 45m1 stop Chicago O'Hare Intl

$679United Airlines

Thu, Nov 12 - Thu, Nov 26

6:40 am - 3:10 pmDUB Dublin-DEN Denver Intl

15h 30m1 stop London Heathrow

12:40 pm - 8:20 amDEN Denver Intl-DUB Dublin

12h 40m1 stop Boston Logan Intl

$753Aer Lingus

Mon, Nov 16 - Wed, Nov 18

Recent last minute flight deals from Ireland to Colorado

Enter your travel dates to find the best prices.

11:10 am - 8:06 pmDUB Dublin-DEN Denver Intl

15h 56m2 stops Amsterdam Schiphol Minneapolis St Paul

6:00 am - 8:45 amDEN Denver Intl-DUB Dublin

19h 45m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

$650Delta

Wed, Oct 7 - Fri, Nov 27

5:55 am - 8:06 pmDUB Dublin-DEN Denver Intl

21h 11m2 stops Amsterdam Schiphol Minneapolis St Paul

11:11 am - 7:55 amDEN Denver Intl-DUB Dublin

13h 44m1 stop Minneapolis St Paul

$650Delta

Wed, Oct 7 - Fri, Nov 27

5:55 am - 3:40 pmDUB Dublin-DEN Denver Intl

16h 45m1 stop Paris Charles de Gaulle

6:05 am - 7:55 amDEN Denver Intl-DUB Dublin

18h 50m1 stop Minneapolis St Paul

$652Delta

Wed, Oct 7 - Fri, Nov 27

9:30 am - 10:26 pmDUB Dublin-DEN Denver Intl

19h 56m1 stop Philadelphia

6:20 am - 7:10 amDEN Denver Intl-DUB Dublin

17h 50m1 stop Dallas/Fort Worth

$707American Airlines

Wed, Oct 7 - Fri, Nov 27

9:50 am - 6:18 pmDUB Dublin-DEN Denver Intl

15h 28m1 stop Vancouver Intl

7:40 am - 10:20 amDEN Denver Intl-DUB Dublin

19h 40m1 stop Washington, D.C. Dulles Intl

$720United Airlines

Fri, Oct 9 - Sat, Dec 5

9:50 am - 6:18 pmDUB Dublin-DEN Denver Intl

15h 28m1 stop Vancouver Intl

12:00 pm - 10:20 amDEN Denver Intl-DUB Dublin

15h 20m1 stop Washington, D.C. Dulles Intl

$720United Airlines

Fri, Oct 9 - Mon, Dec 7

12:40 pm - 9:47 pmDUB Dublin-DEN Denver Intl

16h 07m1 stop Dallas/Fort Worth

2:45 pm - 8:40 amDEN Denver Intl-DUB Dublin

10h 55m1 stop Philadelphia

$788American Airlines

Mon, Oct 5 - Mon, Dec 7

9:30 am - 8:46 pmDUB Dublin-DEN Denver Intl

18h 16m1 stop Philadelphia

12:26 pm - 8:40 amDEN Denver Intl-DUB Dublin

13h 14m2 stops Chicago O'Hare Intl Philadelphia

$793American Airlines

Mon, Oct 5 - Mon, Dec 7

11:45 am - 8:22 pmDUB Dublin-DEN Denver Intl

15h 37m1 stop Charlotte Douglas

11:06 am - 8:40 amDEN Denver Intl-DUB Dublin

14h 34m2 stops Charlotte Douglas Philadelphia

$846British Airways

Mon, Oct 5 - Mon, Dec 7

11:45 am - 9:47 pmDUB Dublin-DEN Denver Intl

17h 02m2 stops Charlotte Douglas Dallas/Fort Worth

5:01 pm - 12:35 pmDEN Denver Intl-DUB Dublin

12h 34m1 stop London Heathrow

$846British Airways

Tue, Oct 6 - Mon, Dec 7

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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

Icelandair flights from Ireland to Colorado

Our best Icelandair deals on Ireland to Colorado flight tickets

Icelandair

Nov 12

DUB11:30 amDublin

13h 30m

1 stop

DEN6:00 pmDenver Intl

Nov 26

DEN3:40 pmDenver Intl

11h 35m

1 stop

DUB10:15 amDublin

$566

Icelandair

Oct 22

DUB2:15 pmDublin

11h 45m

1 stop

DEN7:00 pmDenver Intl

Nov 4

DEN3:40 pmDenver Intl

11h 35m

1 stop

DUB10:15 amDublin

$580

Icelandair

Oct 22

DUB2:15 pmDublin

11h 45m

1 stop

DEN7:00 pmDenver Intl

Nov 4

DEN3:40 pmDenver Intl

11h 35m

1 stop

DUB10:15 amDublin

$587

Delta flights from Ireland to Colorado

Our best Delta deals on Ireland to Colorado flight tickets

Delta

Nov 12

DUB5:45 amDublin

18h 25m

2 stops

DEN5:10 pmDenver Intl

Nov 26

DEN8:05 amDenver Intl

17h 55m

2 stops

DUB9:00 amDublin

$643

Delta

Nov 2

DUB5:45 amDublin

18h 47m

2 stops

DEN5:32 pmDenver Intl

Nov 15

DEN6:00 amDenver Intl

19h 45m

2 stops

DUB8:45 amDublin

$646

Delta

Oct 22

DUB5:55 amDublin

18h 37m

2 stops

DEN5:32 pmDenver Intl

Nov 4

DEN7:15 amDenver Intl

17h 40m

2 stops

DUB7:55 amDublin

$650

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 11/12

11:30 am-6:00 pm

1 stop13h 30m

Denver Intl

Thu 11/26

3:40 pm-10:15 am

1 stop11h 35m

$566

Quickest round-trip

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 10/22

2:15 pm-7:00 pm

1 stop11h 45m

Denver Intl

Wed 11/4

3:40 pm-10:15 am

1 stop11h 35m

$580

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 10/22

2:15 pm-7:00 pm

1 stop11h 45m

Denver Intl

Wed 11/4

3:40 pm-10:15 am

1 stop11h 35m

$587

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Fri 11/6

8:35 pm-3:10 pm

1 stop25h 35m

Denver Intl

Sun 11/22

5:01 pm-7:45 pm

1 stop19h 44m

$627

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 11/12

12:55 pm-11:48 pm

1 stop17h 53m

Denver Intl

Thu 11/26

6:46 am-8:40 am

2 stops18h 54m

$642

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 11/12

12:55 pm-7:53 pm

1 stop13h 58m

Denver Intl

Thu 11/26

5:30 am-7:10 am

1 stop18h 40m

$642

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Mon 11/2

8:40 pm-3:10 pm

1 stop25h 30m

Denver Intl

Sun 11/15

5:01 pm-2:15 pm

1 stop14h 14m

$644

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Sun 11/8

9:00 am-4:50 pm

1 stop14h 50m

Denver Intl

Mon 11/23

7:40 am-10:20 am

1 stop19h 40m

$676

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 11/12

9:00 am-10:35 am

1 stop32h 35m

Denver Intl

Thu 11/26

1:25 pm-8:10 am

1 stop11h 45m

$679

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Mon 11/16

6:40 am-3:10 pm

1 stop15h 30m

Denver Intl

Wed 11/18

12:40 pm-8:20 am

1 stop12h 40m

$753

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 February is, on average, the cheapest month to fly to Colorado from Ireland, with most prices found around $462. The month of April is another great option to travel to Colorado, with average flight prices from Ireland averaging around $517.

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, Wednesday 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 $1,357.

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 from Ireland 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 $744 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 $534 on momondo.

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

There are 2 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 20% 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	$458
Fastest flight time	11h 45m
Direct flights	None

The best one-way flight to Colorado from Ireland in the past 72 hours is $458. The best round-trip flight deal from Ireland to Colorado found on momondo in the last 72 hours is $566.

The fastest flight from Ireland to Colorado takes 11h 45m

There are no direct flights from Ireland to Colorado. There are no popular flight routes from Ireland to Colorado.

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?
There are 4 operators available for flights from Ireland to Colorado as of October 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 (64.15% of total bookings). The next most popular plane models are Airbus A321neo (15.09%), Airbus A321-100/200 (11.32%), and Airbus A330-300 (5.66%).

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 $454	Free Cancellation	Rating 7.3 1,811 reviews	Search Aer Lingus flights
British Airways	PriceFrom $472	Free Cancellation	Rating 6.7 8,244 reviews	Search British Airways flights
American Airlines	PriceFrom $493	Free Cancellation	Rating 7.0 12,131 reviews	Search American Airlines flights
United Airlines	PriceFrom $686	Free Cancellation	Rating 7.4 10,283 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.