Which airlines fly to Colorado?

Aer Lingus, British Airways 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 62% of people opting to fly with this airline when travelling 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.

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

The number of flights available between Ireland and Colorado is 2 per day as of August 2026. The most frequent departure time is 15:00, with 100% of daily flights leaving in the afternoon.

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

The number of flights available between Ireland and Colorado is 20 per week as of August 2026. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.

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

TAP AIR PORTUGAL, Turkish Airlines, 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 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 3 as of August 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.

£480 Cheap Flights from Ireland to Colorado in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ireland to Colorado

Return

One-way

Last minute

Direct

Recent return flight deals from Ireland to Colorado

Enter your travel dates to find the best prices.

07:55 - 08:07DUB Dublin-DEN Denver Intl

31h 12m2 stops London Gatwick Orlando

16:40 - 13:15DEN Denver Intl-DUB Dublin

13h 35m1 stop Reykjavik Keflavik Intl

£508Multiple Airlines

Fri, 4 Sep - Mon, 14 Sep

12:40 - 19:38DUB Dublin-DEN Denver Intl

13h 58m1 stop Dallas/Fort Worth

10:47 - 09:45DEN Denver Intl-DUB Dublin

15h 58m1 stop Dallas/Fort Worth

£558Iberia

Fri, 4 Sep - Mon, 14 Sep

09:30 - 16:53DUB Dublin-DEN Denver Intl

14h 23m1 stop Chicago O'Hare Intl

10:47 - 09:45DEN Denver Intl-DUB Dublin

15h 58m1 stop Dallas/Fort Worth

£558Iberia

Wed, 2 Sep - Mon, 14 Sep

09:30 - 22:24DUB Dublin-DEN Denver Intl

19h 54m1 stop Philadelphia

12:01 - 09:35DEN Denver Intl-DUB Dublin

14h 34m1 stop Charlotte Douglas

£573British Airways

Sun, 27 Sep - Sun, 4 Oct

09:30 - 15:13DUB Dublin-DEN Denver Intl

12h 43m1 stop Philadelphia

11:00 - 09:35DEN Denver Intl-DUB Dublin

15h 35m1 stop Charlotte Douglas

£573British Airways

Sat, 26 Sep - Sat, 3 Oct

20:40 - 15:10DUB Dublin-DEN Denver Intl

25h 30m1 stop London Heathrow

12:24 - 09:35DEN Denver Intl-DUB Dublin

14h 11m2 stops Chicago O'Hare Intl London Heathrow

£617British Airways

Thu, 12 Nov - Tue, 1 Dec

15:25 - 18:15DUB Dublin-DEN Denver Intl

9h 50mdirect

09:07 - 05:10DEN Denver Intl-DUB Dublin

13h 03m1 stop Chicago O'Hare Intl

£623Aer Lingus

Fri, 4 Sep - Mon, 14 Sep

12:15 - 19:00DUB Dublin-DEN Denver Intl

13h 45m1 stop Reykjavik Keflavik Intl

16:40 - 13:15DEN Denver Intl-DUB Dublin

13h 35m1 stop Reykjavik Keflavik Intl

£685Icelandair

Wed, 2 Sep - Sun, 6 Sep

12:15 - 23:16DUB Dublin-DEN Denver Intl

18h 01m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

16:40 - 13:15DEN Denver Intl-DUB Dublin

13h 35m1 stop Reykjavik Keflavik Intl

£886Icelandair

Fri, 28 Aug - Fri, 11 Sep

15:25 - 18:15DUB Dublin-DEN Denver Intl

9h 50mdirect

18:40 - 14:50DEN Denver Intl-DUB Dublin

13h 10m1 stop London Heathrow

£928Aer Lingus

Mon, 21 Sep - Fri, 25 Sep

Recent last minute flight deals from Ireland to Colorado

Enter your travel dates to find the best prices.

09:30 - 23:59DUB Dublin-DEN Denver Intl

21h 29m1 stop Chicago O'Hare Intl

14:21 - 11:50DEN Denver Intl-DUB Dublin

14h 29m1 stop Chicago O'Hare Intl

£617Finnair

Thu, 20 Aug - Fri, 28 Aug

05:55 - 15:23DUB Dublin-DEN Denver Intl

16h 28m2 stops Amsterdam Schiphol Minneapolis St Paul

13:00 - 12:40DEN Denver Intl-DUB Dublin

16h 40m2 stops Minneapolis St Paul Amsterdam Schiphol

£785Delta

Thu, 20 Aug - Wed, 2 Sep

05:55 - 15:23DUB Dublin-DEN Denver Intl

16h 28m2 stops Amsterdam Schiphol Minneapolis St Paul

06:05 - 07:55DEN Denver Intl-DUB Dublin

18h 50m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

£793Delta

Thu, 20 Aug - Fri, 28 Aug

09:50 - 10:33DUB Dublin-DEN Denver Intl

31h 43m1 stop Montreal Pierre Elliott Trudeau Intl

06:00 - 10:40DEN Denver Intl-DUB Dublin

21h 40m1 stop Washington, D.C. Dulles Intl

£839United Airlines

Tue, 18 Aug - Thu, 3 Sep

05:55 - 15:23DUB Dublin-DEN Denver Intl

16h 28m2 stops Amsterdam Schiphol Minneapolis St Paul

17:40 - 15:25DEN Denver Intl-DUB Dublin

14h 45m1 stop Paris Charles de Gaulle

£846Delta

Sun, 16 Aug - Mon, 24 Aug

05:55 - 15:23DUB Dublin-DEN Denver Intl

16h 28m2 stops Amsterdam Schiphol Minneapolis St Paul

17:40 - 15:25DEN Denver Intl-DUB Dublin

14h 45m1 stop Paris Charles de Gaulle

£847Delta

Sun, 16 Aug - Mon, 24 Aug

08:50 - 16:33DUB Dublin-DEN Denver Intl

14h 43m1 stop Washington, D.C. Dulles Intl

15:35 - 11:10DEN Denver Intl-DUB Dublin

12h 35m1 stop Newark

£848United Airlines

Sun, 16 Aug - Sun, 30 Aug

05:55 - 15:23DUB Dublin-DEN Denver Intl

16h 28m2 stops Amsterdam Schiphol Minneapolis St Paul

05:35 - 07:55DEN Denver Intl-DUB Dublin

19h 20m2 stops Salt Lake City Minneapolis St Paul

£848Delta

Sun, 16 Aug - Mon, 24 Aug

05:55 - 15:23DUB Dublin-DEN Denver Intl

16h 28m2 stops Amsterdam Schiphol Minneapolis St Paul

05:35 - 07:55DEN Denver Intl-DUB Dublin

19h 20m2 stops Salt Lake City Minneapolis St Paul

£849Delta

Sun, 16 Aug - Mon, 24 Aug

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Finnair flights from Ireland to Colorado

Our best Finnair deals on Ireland to Colorado flight tickets

Finnair

26 Aug

DUB09:30Dublin

21h 29m

1 stop

DEN23:59Denver Intl

30 Aug

DEN14:21Denver Intl

14h 29m

1 stop

DUB11:50Dublin

£570

Finnair

26 Aug

DUB09:30Dublin

21h 29m

1 stop

DEN23:59Denver Intl

30 Aug

DEN14:21Denver Intl

14h 29m

1 stop

DUB11:50Dublin

£571

Finnair

26 Aug

DUB09:30Dublin

21h 29m

1 stop

DEN23:59Denver Intl

30 Sept

DEN10:47Denver Intl

15h 58m

1 stop

DUB09:45Dublin

£577

Delta flights from Ireland to Colorado

Our best Delta deals on Ireland to Colorado flight tickets

Delta

7 Sept

DUB08:55Dublin

17h 56m

2 stops

DEN19:51Denver Intl

28 Sept

DEN17:40Denver Intl

14h 45m

1 stop

DUB15:25Dublin

£588

Delta

7 Sept

DUB08:55Dublin

21h 39m

2 stops

DEN23:34Denver Intl

28 Sept

DEN17:40Denver Intl

14h 45m

1 stop

DUB15:25Dublin

£589

Delta

2 Sept

DUB08:55Dublin

17h 56m

2 stops

DEN19:51Denver Intl

14 Sept

DEN17:55Denver Intl

14h 30m

1 stop

DUB15:25Dublin

£589

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Fri 4/9

07:55-08:07

2 stops31h 12m

Denver Intl

Mon 14/9

16:40-13:15

1 stop13h 35m

£508

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Fri 4/9

12:40-19:38

1 stop13h 58m

Denver Intl

Mon 14/9

10:47-09:45

1 stop15h 58m

£558

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Wed 2/9

09:30-16:53

1 stop14h 23m

Denver Intl

Mon 14/9

10:47-09:45

1 stop15h 58m

£558

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Sun 27/9

09:30-22:24

1 stop19h 54m

Denver Intl

Sun 4/10

12:01-09:35

1 stop14h 34m

£573

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Sat 26/9

09:30-15:13

1 stop12h 43m

Denver Intl

Sat 3/10

11:00-09:35

1 stop15h 35m

£573

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 12/11

20:40-15:10

1 stop25h 30m

Denver Intl

Tue 1/12

12:24-09:35

2 stops14h 11m

£617

Fastest return journey

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Fri 4/9

15:25-18:15

Nonstop9h 50m

Denver Intl

Mon 14/9

09:07-05:10

1 stop13h 03m

£623

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Wed 2/9

12:15-19:00

1 stop13h 45m

Denver Intl

Sun 6/9

16:40-13:15

1 stop13h 35m

£685

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Fri 28/8

12:15-23:16

2 stops18h 01m

Denver Intl

Fri 11/9

16:40-13:15

1 stop13h 35m

£886

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Mon 21/9

15:25-18:15

Nonstop9h 50m

Denver Intl

Fri 25/9

18:40-14:50

1 stop13h 10m

£928

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 month of February is, on average, the cheapest month to fly to Colorado from Ireland, with most prices found around £342. If you don’t want to visit Colorado in February, then you should wait until April to fly from Ireland, when ticket prices are also cheap, with an average price of £382.

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 £506. Flights from Ireland to Colorado on a Sunday will generally be more expensive and average around £886. 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 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 £536 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 £437 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 44% 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	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 Tuesday, Thursday and Saturday. 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 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 3 as of August 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 74.07% of all bookings. The subsequent popular models are Airbus A321-100/200 at 9.88%, Airbus A321neo at 9.88%, and Airbus A330-300 at 3.70%.

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 £299	Free Cancellation	Rating 6.7 8,160 reviews	Search British Airways flights
Icelandair	PriceFrom £332	Free Cancellation	Rating 6.9 730 reviews	Search Icelandair flights
Aer Lingus	PriceFrom £362	Free Cancellation	Rating 7.3 1,701 reviews	Search Aer Lingus 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.