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

JetBlue and British Airways are the most popular carriers operating from Ireland to Colorado

Which airlines fly to Colorado?

Aer Lingus, United Airlines and British Airways 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 4 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ireland to Colorado?

Prices for flights from Ireland to Colorado are refreshed on a daily basis.

How many operators does momondo search for flights from Ireland to Colorado?

The number of operators available for flights from Ireland to Colorado is 4 as of March 2026.

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 layovers. 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 necessary travel and health documents for your Colorado trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£308 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.

12:15 - 19:00

DUB

DEN

13h 45m

1 stop

16:40 - 13:15

DEN

DUB

13h 35m

1 stop

£353Icelandair

Wed, 6 May - Mon, 25 May

12:15 - 19:00

DUB

DEN

13h 45m

1 stop

16:40 - 13:15

DEN

DUB

13h 35m

1 stop

£375Icelandair

Fri, 4 Sep - Mon, 14 Sep

12:15 - 19:00

DUB

DEN

13h 45m

1 stop

16:40 - 13:15

DEN

DUB

13h 35m

1 stop

£377Icelandair

Fri, 4 Sep - Mon, 14 Sep

12:15 - 12:40

DUB

DEN

31h 25m

1 stop

16:40 - 13:15

DEN

DUB

13h 35m

1 stop

£378Icelandair

Fri, 4 Sep - Mon, 14 Sep

09:40 - 22:45

DUB

DEN

20h 05m

2 stops

18:30 - 19:35

DEN

DUB

18h 05m

1 stop

£387Multiple Airlines

Thu, 23 Apr - Mon, 27 Apr

08:35 - 16:20

DUB

DEN

14h 45m

1 stop

18:30 - 19:35

DEN

DUB

18h 05m

1 stop

£389Multiple Airlines

Thu, 23 Apr - Mon, 27 Apr

08:35 - 16:20

DUB

DEN

14h 45m

1 stop

18:30 - 07:45

DEN

DUB

30h 15m

1 stop

£392British Airways

Wed, 22 Apr - Sun, 26 Apr

09:40 - 22:45

DUB

DEN

20h 05m

2 stops

10:28 - 09:45

DEN

DUB

16h 17m

1 stop

£393Finnair

Sun, 3 May - Sun, 10 May

08:35 - 16:20

DUB

DEN

14h 45m

1 stop

18:30 - 07:45

DEN

DUB

30h 15m

1 stop

£393British Airways

Wed, 22 Apr - Sun, 26 Apr

09:30 - 19:55

DUB

DEN

17h 25m

1 stop

10:28 - 09:45

DEN

DUB

16h 17m

1 stop

£395Finnair

Fri, 1 May - Tue, 12 May

Finnair flights from Ireland to Colorado

Our best Finnair deals on Ireland to Colorado flight tickets

Finnair

3 May

DUB09:40Dublin

20h 05m

2 stops

DEN22:45Denver Intl

10 May

DEN10:28Denver Intl

16h 17m

1 stop

DUB09:45Dublin

£393

Finnair

1 May

DUB09:30Dublin

17h 25m

1 stop

DEN19:55Denver Intl

12 May

DEN10:28Denver Intl

16h 17m

1 stop

DUB09:45Dublin

£396

Finnair

1 May

DUB09:30Dublin

17h 25m

1 stop

DEN19:55Denver Intl

12 May

DEN10:28Denver Intl

16h 17m

1 stop

DUB09:45Dublin

£397

Iberia flights from Ireland to Colorado

Our best Iberia deals on Ireland to Colorado flight tickets

Iberia

22 May

DUB12:40Dublin

15h 58m

1 stop

DEN21:38Denver Intl

24 May

DEN06:55Denver Intl

21h 55m

1 stop

DUB11:50Dublin

£405

Iberia

18 May

DUB12:40Dublin

18h 05m

1 stop

DEN23:45Denver Intl

27 May

DEN17:41Denver Intl

11h 09m

1 stop

DUB11:50Dublin

£406

Iberia

18 May

DUB12:40Dublin

14h 15m

1 stop

DEN19:55Denver Intl

27 May

DEN12:27Denver Intl

16h 23m

1 stop

DUB11:50Dublin

£407

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

DublinDenver

DUB - DEN

DUBDEN

Dublin

Wed 6/5

12:15-19:00

1 stop13h 45m

Denver Intl

Mon 25/5

16:40-13:15

1 stop13h 35m

£353

DublinDenver

DUB - DEN

DUBDEN

Dublin

Fri 4/9

12:15-19:00

1 stop13h 45m

Denver Intl

Mon 14/9

16:40-13:15

1 stop13h 35m

£375

DublinDenver

DUB - DEN

DUBDEN

Dublin

Fri 4/9

12:15-19:00

1 stop13h 45m

Denver Intl

Mon 14/9

16:40-13:15

1 stop13h 35m

£377

DublinDenver

DUB - DEN

DUBDEN

Dublin

Fri 4/9

12:15-12:40

1 stop31h 25m

Denver Intl

Mon 14/9

16:40-13:15

1 stop13h 35m

£378

DublinDenver

DUB - DEN

DUBDEN

Dublin

Thu 23/4

09:40-22:45

2 stops20h 05m

Denver Intl

Mon 27/4

18:30-19:35

1 stop18h 05m

£387

DublinDenver

DUB - DEN

DUBDEN

Dublin

Thu 23/4

08:35-16:20

1 stop14h 45m

Denver Intl

Mon 27/4

18:30-19:35

1 stop18h 05m

£389

DublinDenver

DUB - DEN

DUBDEN

Dublin

Wed 22/4

08:35-16:20

1 stop14h 45m

Denver Intl

Sun 26/4

18:30-07:45

1 stop30h 15m

£392

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sun 3/5

09:40-22:45

2 stops20h 05m

Denver Intl

Sun 10/5

10:28-09:45

1 stop16h 17m

£393

DublinDenver

DUB - DEN

DUBDEN

Dublin

Wed 22/4

08:35-16:20

1 stop14h 45m

Denver Intl

Sun 26/4

18:30-07:45

1 stop30h 15m

£393

DublinDenver

DUB - DEN

DUBDEN

Dublin

Fri 1/5

09:30-19:55

1 stop17h 25m

Denver Intl

Tue 12/5

10:28-09:45

1 stop16h 17m

£395

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

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 £447. If you don’t want to visit Colorado in September, then you should wait until February to fly from Ireland, when ticket prices are also cheap, with an average price of £459.

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

Our data shows that Monday is the least expensive day to fly to Colorado. Tickets to fly out on this day can be as low as £513. Flights from Ireland to Colorado on a Sunday will generally be more expensive and average around £735. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 £585 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 £448 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 41% 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 and Sat
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 and Saturday. Airline offering direct flights is Aer Lingus..

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 are refreshed on a daily basis.
How many operators does momondo search for flights from Ireland to Colorado?
The number of operators available for flights from Ireland to Colorado is 4 as of March 2026.
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 layovers. 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 necessary travel and health documents for your Colorado trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Ireland to Colorado?
momondo data reveals that the most frequently booked plane model on the route from Ireland to Colorado is Airbus A330-200, representing 78.08% of all bookings. The subsequent popular models are Airbus A321neo at 10.96%, Airbus A321-100/200 at 4.11%, and Airbus A330-300 at 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
British Airways	PriceFrom £303	Free Cancellation	Rating 6.7 7,810 reviews	Search British Airways flights
Icelandair	PriceFrom £337	Free Cancellation	Rating 7.0 625 reviews	Search Icelandair flights
Aer Lingus	PriceFrom £394	Free Cancellation	Rating 7.2 1,481 reviews	Search Aer Lingus flights
United Airlines	PriceFrom £484	Free Cancellation	Rating 7.4 9,459 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. All flights to Colorado from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Ireland and Colorado by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ireland to Colorado right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ireland to Colorado flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.