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

British Airways, United Airlines, and TAP AIR PORTUGAL are the most popular carriers operating from Ireland to Colorado

Which airlines fly to Colorado?

Aer Lingus, Icelandair 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 54% 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 November 2025.

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.

£456 Cheap Flights from Ireland to Colorado in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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

Find the cheapest flights from Ireland to Colorado

Round-trip

One-way

Last minute

Recent return flight deals from Ireland to Colorado

Enter your travel dates to find the best prices.

11:30 - 18:05DUB-DEN

13h 35m1 stop

15:40 - 10:15DEN-DUB

11h 35m1 stop

£472Icelandair

Find Deal

Fri, 14 Nov - Thu, 27 Nov

10:10 - 22:48DUB-DEN

43h 38m2 stops

13:16 - 11:45DEN-DUB

39h 29m2 stops

£478Scandinavian Airlines

Find Deal

Sat, 17 Jan - Mon, 26 Jan

10:40 - 17:35DUB-DEN

37h 55m1 stop

19:20 - 09:40DEN-DUB

31h 20m1 stop

£554Turkish Airlines

Find Deal

Wed, 24 Dec - Thu, 1 Jan

08:45 - 15:30DUB-DEN

13h 45m1 stop

17:25 - 19:05DEN-DUB

18h 40m1 stop

£559British Airways

Find Deal

Sat, 17 Jan - Mon, 26 Jan

12:05 - 22:34DUB-DEN

17h 29m2 stops

17:25 - 19:05DEN-DUB

18h 40m1 stop

£563British Airways

Find Deal

Sat, 17 Jan - Mon, 26 Jan

05:10 - 13:40DUB-DEN

15h 30m1 stop

16:05 - 10:20DEN-DUB

11h 15m1 stop

£569Lufthansa

Find Deal

Sat, 15 Nov - Sat, 29 Nov

05:00 - 16:00DUB-DEN

18h 00m1 stop

11:15 - 10:20DEN-DUB

16h 05m1 stop

£569Lufthansa

Find Deal

Thu, 13 Nov - Wed, 3 Dec

09:00 - 10:23DUB-DEN

32h 23m1 stop

11:15 - 10:20DEN-DUB

16h 05m1 stop

£581United Airlines

Find Deal

Sun, 16 Nov - Thu, 27 Nov

09:00 - 16:40DUB-DEN

14h 40m1 stop

11:45 - 07:30DEN-DUB

12h 45m1 stop

£582United Airlines

Find Deal

Fri, 14 Nov - Thu, 27 Nov

10:40 - 18:20DUB-DEN

38h 40m1 stop

20:25 - 09:35DEN-DUB

30h 10m1 stop

£583Turkish Airlines

Find Deal

Fri, 17 Apr - Thu, 23 Apr

Icelandair flights from Ireland to Colorado

Our best Icelandair deals on Ireland to Colorado flight tickets

Icelandair

14 Nov

DUB11:30Dublin

13h 35m

1 stop

DEN18:05Denver Intl

27 Nov

DEN15:40Denver Intl

11h 35m

1 stop

DUB10:15Dublin

£472

Find similar

Icelandair

10 Jan

DUB11:30Dublin

13h 35m

1 stop

DEN18:05Denver Intl

31 Mar

DEN16:40Denver Intl

11h 25m

1 stop

DUB11:05Dublin

£525

Find similar

Icelandair

17 Apr

DUB12:15Dublin

13h 40m

1 stop

DEN18:55Denver Intl

27 Apr

DEN16:40Denver Intl

13h 35m

1 stop

DUB13:15Dublin

£594

Find similar

Scandinavian Airlines flights from Ireland to Colorado

Our best Scandinavian Airlines deals on Ireland to Colorado flight tickets

Scandinavian Airlines

17 Jan

DUB10:10Dublin

43h 38m

2 stops

DEN22:48Denver Intl

26 Jan

DEN13:16Denver Intl

39h 29m

2 stops

DUB11:45Dublin

£478

Find similar

Scandinavian Airlines

8 Jan

DUB12:30Dublin

41h 18m

2 stops

DEN22:48Denver Intl

2 Apr

DEN06:30Denver Intl

43h 55m

2 stops

DUB09:25Dublin

£617

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinDenver

DUB - DEN

DUBDEN

Dublin

Fri 14/11

11:30-18:05

1 stop13h 35m

Denver Intl

Thu 27/11

15:40-10:15

1 stop11h 35m

£472

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sat 17/1

10:10-22:48

2 stops43h 38m

Denver Intl

Mon 26/1

13:16-11:45

2 stops39h 29m

£478

DublinDenver

DUB - DEN

DUBDEN

Dublin

Wed 24/12

10:40-17:35

1 stop37h 55m

Denver Intl

Thu 1/1

19:20-09:40

1 stop31h 20m

£554

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sat 17/1

08:45-15:30

1 stop13h 45m

Denver Intl

Mon 26/1

17:25-19:05

1 stop18h 40m

£559

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sat 17/1

12:05-22:34

2 stops17h 29m

Denver Intl

Mon 26/1

17:25-19:05

1 stop18h 40m

£563

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sat 15/11

05:10-13:40

1 stop15h 30m

Denver Intl

Sat 29/11

16:05-10:20

1 stop11h 15m

£569

DublinDenver

DUB - DEN

DUBDEN

Dublin

Thu 13/11

05:00-16:00

1 stop18h 00m

Denver Intl

Wed 3/12

11:15-10:20

1 stop16h 05m

£569

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sun 16/11

09:00-10:23

1 stop32h 23m

Denver Intl

Thu 27/11

11:15-10:20

1 stop16h 05m

£581

DublinDenver

DUB - DEN

DUBDEN

Dublin

Fri 14/11

09:00-16:40

1 stop14h 40m

Denver Intl

Thu 27/11

11:45-07:30

1 stop12h 45m

£582

DublinDenver

DUB - DEN

DUBDEN

Dublin

Fri 17/4

10:40-18:20

1 stop38h 40m

Denver Intl

Thu 23/4

20:25-09:35

1 stop30h 10m

£583

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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 October is, on average, the cheapest month to fly to Colorado from Ireland, with most prices found around £488. If you don’t want to visit Colorado in October, then you should wait until September to fly from Ireland, when ticket prices are also cheap, with an average price of £509.

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

Our data shows that Friday is the least expensive day to fly to Colorado. Tickets to fly out on this day can be as low as £602. Flights from Ireland to Colorado on a Monday will generally be more expensive and average around £737. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Flying to Colorado from Ireland in the morning is the least expensive time of day to depart. momondo users have found prices as low as £614 when looking at flights departing in the morning. At midday is when there is more demand to fly to Colorado, so prices are often more expensive at around £666 per ticket.

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 £600 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 £472 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?

No. A direct flight is the cheapest option for a flight between Ireland to Colorado.

Cheap Ireland to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Colorado

Direct flights	None

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

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 November 2025.
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 83.02% of all bookings. The subsequent popular models are Airbus A321neo at 7.55%, Airbus A321-100/200 at 2.83%, and Airbus A330-300 at 1.89%.

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 £325	Free Cancellation	Rating 6.7 7,494 reviews	Search British Airways flights
Aer Lingus	PriceFrom £425	Free Cancellation	Rating 7.2 1,365 reviews	Search Aer Lingus flights
Icelandair	PriceFrom £447	Free Cancellation	Rating 7.1 568 reviews	Search Icelandair flights
United Airlines	PriceFrom £542	Free Cancellation	Rating 7.4 8,996 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.