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

Delta and KLM are the most popular carriers operating from Ireland to Colorado

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 53% 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.

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 October 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.

£369 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

Return

One-way

Last minute

Recent return flight deals from Ireland to Colorado

Enter your travel dates to find the best prices.

11:30 - 18:00DUB Dublin-DEN Denver Intl

13h 30m1 stop Reykjavik Keflavik Intl

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

11h 35m1 stop Reykjavik Keflavik Intl

£448Icelandair

Thu, 12 Nov - Tue, 1 Dec

11:30 - 18:00DUB Dublin-DEN Denver Intl

13h 30m1 stop Reykjavik Keflavik Intl

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

11h 35m1 stop Reykjavik Keflavik Intl

£464Icelandair

Thu, 12 Nov - Tue, 1 Dec

11:30 - 18:00DUB Dublin-DEN Denver Intl

13h 30m1 stop Reykjavik Keflavik Intl

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

11h 35m1 stop Reykjavik Keflavik Intl

£465Icelandair

Thu, 12 Nov - Tue, 1 Dec

11:30 - 18:00DUB Dublin-DEN Denver Intl

13h 30m1 stop Reykjavik Keflavik Intl

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

11h 35m1 stop Reykjavik Keflavik Intl

£468Icelandair

Sat, 21 Nov - Sat, 28 Nov

05:45 - 17:10DUB Dublin-DEN Denver Intl

18h 25m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

08:05 - 09:00DEN Denver Intl-DUB Dublin

17h 55m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

£486Delta

Thu, 12 Nov - Thu, 26 Nov

05:45 - 20:00DUB Dublin-DEN Denver Intl

21h 15m2 stops Amsterdam Schiphol Minneapolis St Paul

12:20 - 14:10DEN Denver Intl-DUB Dublin

18h 50m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

£486Delta

Sat, 30 Jan - Sat, 6 Feb

08:50 - 20:11DUB Dublin-DEN Denver Intl

18h 21m2 stops Amsterdam Schiphol Minneapolis St Paul

10:45 - 07:45DEN Denver Intl-DUB Dublin

14h 00m1 stop Atlanta Hartsfield-Jackson

£489Delta

Thu, 12 Nov - Thu, 26 Nov

08:45 - 15:10DUB Dublin-DEN Denver Intl

13h 25m1 stop London Heathrow

17:01 - 17:00DEN Denver Intl-DUB Dublin

16h 59m1 stop London Heathrow

£491British Airways

Mon, 23 Nov - Wed, 2 Dec

15:50 - 15:10DUB Dublin-DEN Denver Intl

30h 20m1 stop London Heathrow

09:03 - 09:55DEN Denver Intl-DUB Dublin

17h 52m2 stops Dallas/Fort Worth London Heathrow

£491British Airways

Fri, 20 Nov - Sun, 29 Nov

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

25h 30m1 stop London Heathrow

17:01 - 17:00DEN Denver Intl-DUB Dublin

16h 59m1 stop London Heathrow

£491British Airways

Sun, 22 Nov - Wed, 2 Dec

Recent last minute flight deals from Ireland to Colorado

Enter your travel dates to find the best prices.

11:10 - 20:06DUB Dublin-DEN Denver Intl

15h 56m2 stops Amsterdam Schiphol Minneapolis St Paul

06:00 - 08:45DEN Denver Intl-DUB Dublin

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

£492Delta

Wed, 7 Oct - Fri, 27 Nov

05:55 - 20:06DUB Dublin-DEN Denver Intl

21h 11m2 stops Amsterdam Schiphol Minneapolis St Paul

11:11 - 07:55DEN Denver Intl-DUB Dublin

13h 44m1 stop Minneapolis St Paul

£492Delta

Wed, 7 Oct - Fri, 27 Nov

05:55 - 15:40DUB Dublin-DEN Denver Intl

16h 45m1 stop Paris Charles de Gaulle

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

18h 50m1 stop Minneapolis St Paul

£493Delta

Wed, 7 Oct - Fri, 27 Nov

09:50 - 18:18DUB Dublin-DEN Denver Intl

15h 28m1 stop Vancouver Intl

07:40 - 10:20DEN Denver Intl-DUB Dublin

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

£545United Airlines

Fri, 9 Oct - Sat, 5 Dec

09:50 - 18:18DUB Dublin-DEN Denver Intl

15h 28m1 stop Vancouver Intl

12:00 - 10:20DEN Denver Intl-DUB Dublin

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

£545United Airlines

Fri, 9 Oct - Mon, 7 Dec

09:50 - 18:18DUB Dublin-DEN Denver Intl

15h 28m1 stop Vancouver Intl

09:55 - 07:30DEN Denver Intl-DUB Dublin

14h 35m1 stop Newark

£545United Airlines

Fri, 9 Oct - Sun, 6 Dec

09:50 - 18:18DUB Dublin-DEN Denver Intl

15h 28m1 stop Vancouver Intl

13:47 - 09:55DEN Denver Intl-DUB Dublin

13h 08m1 stop Newark

£545United Airlines

Fri, 9 Oct - Tue, 8 Dec

09:50 - 16:58DUB Dublin-DEN Denver Intl

14h 08m1 stop Vancouver Intl

09:50 - 08:10DEN Denver Intl-DUB Dublin

15h 20m1 stop Chicago O'Hare Intl

£545United Airlines

Fri, 9 Oct - Wed, 9 Dec

11:10 - 21:47DUB Dublin-DEN Denver Intl

17h 37m2 stops London Heathrow Dallas/Fort Worth

10:37 - 11:15DEN Denver Intl-DUB Dublin

17h 38m2 stops Dallas/Fort Worth London Heathrow

£727British Airways

Mon, 5 Oct - Sat, 5 Dec

10:30 - 21:47DUB Dublin-DEN Denver Intl

18h 17m2 stops London Heathrow Dallas/Fort Worth

13:15 - 11:15DEN Denver Intl-DUB Dublin

15h 00m2 stops Dallas/Fort Worth London Heathrow

£727British Airways

Mon, 5 Oct - Wed, 9 Dec

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Icelandair flights from Ireland to Colorado

Our best Icelandair deals on Ireland to Colorado flight tickets

Icelandair

12 Nov

DUB11:30Dublin

13h 30m

1 stop

DEN18:00Denver Intl

1 Dec

DEN15:40Denver Intl

11h 35m

1 stop

DUB10:15Dublin

£448

Icelandair

12 Nov

DUB11:30Dublin

13h 30m

1 stop

DEN18:00Denver Intl

1 Dec

DEN15:40Denver Intl

11h 35m

1 stop

DUB10:15Dublin

£464

Icelandair

12 Nov

DUB11:30Dublin

13h 30m

1 stop

DEN18:00Denver Intl

1 Dec

DEN15:40Denver Intl

11h 35m

1 stop

DUB10:15Dublin

£465

Delta flights from Ireland to Colorado

Our best Delta deals on Ireland to Colorado flight tickets

Delta

12 Nov

DUB05:45Dublin

18h 25m

2 stops

DEN17:10Denver Intl

26 Nov

DEN08:05Denver Intl

17h 55m

2 stops

DUB09:00Dublin

£486

Delta

2 Nov

DUB05:45Dublin

18h 47m

2 stops

DEN17:32Denver Intl

15 Nov

DEN06:00Denver Intl

19h 45m

2 stops

DUB08:45Dublin

£489

Delta

12 Nov

DUB08:50Dublin

21h 44m

2 stops

DEN23:34Denver Intl

1 Dec

DEN11:41Denver Intl

15h 04m

1 stop

DUB09:45Dublin

£489

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 12/11

11:30-18:00

1 stop13h 30m

Denver Intl

Tue 1/12

15:40-10:15

1 stop11h 35m

£448

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 12/11

11:30-18:00

1 stop13h 30m

Denver Intl

Tue 1/12

15:40-10:15

1 stop11h 35m

£464

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 12/11

11:30-18:00

1 stop13h 30m

Denver Intl

Tue 1/12

15:40-10:15

1 stop11h 35m

£465

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Sat 21/11

11:30-18:00

1 stop13h 30m

Denver Intl

Sat 28/11

15:40-10:15

1 stop11h 35m

£468

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 12/11

05:45-17:10

2 stops18h 25m

Denver Intl

Thu 26/11

08:05-09:00

2 stops17h 55m

£486

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Sat 30/1

05:45-20:00

2 stops21h 15m

Denver Intl

Sat 6/2

12:20-14:10

2 stops18h 50m

£486

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 12/11

08:50-20:11

2 stops18h 21m

Denver Intl

Thu 26/11

10:45-07:45

1 stop14h 00m

£489

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Mon 23/11

08:45-15:10

1 stop13h 25m

Denver Intl

Wed 2/12

17:01-17:00

1 stop16h 59m

£491

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Fri 20/11

15:50-15:10

1 stop30h 20m

Denver Intl

Sun 29/11

09:03-09:55

2 stops17h 52m

£491

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Sun 22/11

20:40-15:10

1 stop25h 30m

Denver Intl

Wed 2/12

17:01-17:00

1 stop16h 59m

£491

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 February is, on average, the cheapest month to fly to Colorado from Ireland, with most prices found around £349. 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 £391.

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 £610. Flights from Ireland to Colorado on a Sunday will generally be more expensive and average around £906. 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 £563 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 £404 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

Best price found	£369
Fastest flight time	16h 12m
Direct flights	None

The best one-way flight to Colorado from Ireland in the past 72 hours is £369. The best return flight deal from Ireland to Colorado found on momondo in the last 72 hours is £448.

The fastest flight from Ireland to Colorado takes 16h 12m

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 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 October 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 64.15% of all bookings. The subsequent popular models are Airbus A321neo at 15.09%, Airbus A321-100/200 at 11.32%, and Airbus A330-300 at 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
British Airways	PriceFrom £306	Free Cancellation	Rating 6.7 8,243 reviews	Search British Airways flights
Icelandair	PriceFrom £339	Free Cancellation	Rating 6.9 756 reviews	Search Icelandair flights
Aer Lingus	PriceFrom £371	Free Cancellation	Rating 7.3 1,811 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.