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

WestJet and Aer Lingus are the most popular carriers operating from Ireland to Colorado

How long is the flight from Ireland to Colorado?

The average flight duration from Ireland to Colorado depends on which airport you fly into and out of. Flying from Dublin to Denver is 13h 35m on average, while flying from Cork to Denver is 16h 15m on average. Denver is the most popular airport in 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 50% 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 were last updated today.

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

As of November 2025, there are 3 operators available to choose from for flights from Ireland to Colorado.

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 stopovers. 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 travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

€244 Cheap Flights from Ireland to Colorado in 2025/26

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Recent return flight deals from Ireland to Colorado

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11:30 - 18:05DUB-DEN

13h 35m1 stop

15:40 - 10:15DEN-DUB

11h 35m1 stop

€489Icelandair

Find Deal

Thu, 8 Jan - Wed, 21 Jan

11:30 - 18:05DUB-DEN

13h 35m1 stop

15:40 - 10:15DEN-DUB

11h 35m1 stop

€491Icelandair

Find Deal

Sun, 25 Jan - Fri, 30 Jan

11:30 - 18:05DUB-DEN

13h 35m1 stop

15:40 - 10:15DEN-DUB

11h 35m1 stop

€498Icelandair

Find Deal

Mon, 24 Nov - Sun, 7 Dec

10:10 - 22:48DUB-DEN

43h 38m2 stops

13:16 - 11:45DEN-DUB

39h 29m2 stops

€578Scandinavian Airlines

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Sat, 24 Jan - Sat, 31 Jan

08:35 - 18:05DUB-DEN

16h 30m2 stops

15:40 - 23:05DEN-DUB

24h 25m2 stops

€608Multiple Airlines

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Thu, 8 Jan - Wed, 21 Jan

06:00 - 20:38ORK-DEN

21h 38m2 stops

06:00 - 10:45DEN-ORK

21h 45m2 stops

€701Delta

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Thu, 27 Nov - Mon, 1 Dec

06:00 - 19:58ORK-DEN

20h 58m2 stops

12:20 - 16:40DEN-ORK

21h 20m2 stops

€768Delta

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Wed, 29 Apr - Sun, 3 May

07:20 - 16:35ORK-DEN

16h 15m1 stop

18:40 - 15:10DEN-ORK

13h 30m1 stop

€841British Airways

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Wed, 29 Apr - Sun, 3 May

20:10 - 15:30ORK-DEN

26h 20m1 stop

17:25 - 23:25DEN-ORK

23h 00m1 stop

€1,337British Airways

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Sat, 27 Dec - Sat, 3 Jan

06:00 - 18:05ORK-DEN

19h 05m3 stops

11:15 - 12:35DEN-ORK

18h 20m2 stops

€1,402Multiple Airlines

Find Deal

Thu, 27 Nov - Mon, 1 Dec

JetBlue flights from Ireland to Colorado

Our best JetBlue deals on Ireland to Colorado flight tickets

JetBlue

6 May

DUB11:45Dublin

18h 16m

1 stop

DEN23:01Denver Intl

10 May

DEN09:18Denver Intl

16h 02m

1 stop

DUB08:20Dublin

€631

Find similar

JetBlue

12 May

DUB11:45Dublin

18h 16m

1 stop

DEN23:01Denver Intl

27 May

DEN11:05Denver Intl

14h 55m

1 stop

DUB09:00Dublin

€638

Find similar

JetBlue

12 May

DUB11:45Dublin

18h 16m

1 stop

DEN23:01Denver Intl

27 May

DEN11:05Denver Intl

14h 55m

1 stop

DUB09:00Dublin

€639

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British Airways flights from Ireland to Colorado

Our best British Airways deals on Ireland to Colorado flight tickets

British Airways

7 Jan

DUB20:40Dublin

25h 50m

1 stop

DEN15:30Denver Intl

7 Apr

DEN18:40Denver Intl

14h 55m

1 stop

DUB16:35Dublin

€671

Find similar

British Airways

7 Jan

DUB15:10Dublin

31h 20m

1 stop

DEN15:30Denver Intl

6 Apr

DEN18:40Denver Intl

30h 00m

1 stop

DUB07:40Dublin

€678

Find similar

British Airways

8 Jan

DUB06:40Dublin

15h 50m

1 stop

DEN15:30Denver Intl

1 Apr

DEN18:40Denver Intl

16h 35m

1 stop

DUB18:15Dublin

€678

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinDenver

DUB - DEN

DUBDEN

Dublin

Thu 8/1

11:30-18:05

1 stop13h 35m

Denver Intl

Wed 21/1

15:40-10:15

1 stop11h 35m

€489

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sun 25/1

11:30-18:05

1 stop13h 35m

Denver Intl

Fri 30/1

15:40-10:15

1 stop11h 35m

€491

DublinDenver

DUB - DEN

DUBDEN

Dublin

Mon 24/11

11:30-18:05

1 stop13h 35m

Denver Intl

Sun 7/12

15:40-10:15

1 stop11h 35m

€498

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sat 24/1

10:10-22:48

2 stops43h 38m

Denver Intl

Sat 31/1

13:16-11:45

2 stops39h 29m

€578

DublinDenver

DUB - DEN

DUBDEN

Dublin

Thu 8/1

08:35-18:05

2 stops16h 30m

Denver Intl

Wed 21/1

15:40-23:05

2 stops24h 25m

€608

CorkDenver

ORK - DEN

ORKDEN

Cork

Thu 27/11

06:00-20:38

2 stops21h 38m

Denver Intl

Mon 1/12

06:00-10:45

2 stops21h 45m

€701

CorkDenver

ORK - DEN

ORKDEN

Cork

Wed 29/4

06:00-19:58

2 stops20h 58m

Denver Intl

Sun 3/5

12:20-16:40

2 stops21h 20m

€768

CorkDenver

ORK - DEN

ORKDEN

Cork

Wed 29/4

07:20-16:35

1 stop16h 15m

Denver Intl

Sun 3/5

18:40-15:10

1 stop13h 30m

€841

CorkDenver

ORK - DEN

ORKDEN

Cork

Sat 27/12

20:10-15:30

1 stop26h 20m

Denver Intl

Sat 3/1

17:25-23:25

1 stop23h 00m

€1,337

CorkDenver

ORK - DEN

ORKDEN

Cork

Thu 27/11

06:00-18:05

3 stops19h 05m

Denver Intl

Mon 1/12

11:15-12:35

2 stops18h 20m

€1,402

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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 cheapest month to fly to Colorado from Ireland is in September. Flight prices, which tend to average around €547, are often lower during this time because this is during the off-season. If you’re not able to fly to Colorado in September, then October is your next best option. Flight prices from Ireland to Colorado during October average around €550.

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

On average, the least expensive day to fly to Colorado from Ireland is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as €550. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Colorado is Sunday, with ticket prices averaging around €893.

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 €641 when looking at flights departing in the morning. Flights in the afternoon are often more expensive, with an average ticket price of €749.

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 €672 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 €535 on momondo.

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

There is only 1 cabin class 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 15% 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 34m
Direct flights	Thu, Sat and Sun
Airports in Colorado	1 airport

The fastest flight from Ireland to Colorado takes 9h 34m

Direct flights go from Ireland to Colorado on Thursday, Saturday and Sunday. There are no airlines offering direct flights..

There is 1 airport near Colorado: 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 were last updated today.
How many operators does momondo search for flights from Ireland to Colorado?
As of November 2025, there are 3 operators available to choose from for flights from Ireland to Colorado.
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 stopovers. 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 travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Ireland to Colorado?
Based on momondo bookings for flights between Ireland and Colorado, the leading plane model is Airbus A330-200, making up 83.02% of the total bookings. Other popular models include Airbus A321neo with 7.55%, Airbus A321-100/200 with 2.83%, and Airbus A330-300 with 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 €428	Free Cancellation	Rating 6.7 7,516 reviews	Search British Airways flights
Aer Lingus	PriceFrom €475	Free Cancellation	Rating 7.2 1,370 reviews	Search Aer Lingus flights
Icelandair	PriceFrom €542	Free Cancellation	Rating 7.1 578 reviews	Search Icelandair 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. momondo enables you to select and highlight flights to Colorado from Ireland with this policy.

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

Once you have performed a search for Ireland to Colorado flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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.

An easier way to manage your Colorado trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Cheap flights from Ireland to Colorado from €244

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Colorado departing on 15/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Ireland to Colorado

Recent return flight deals from Ireland to Colorado

Recent one-way flight deals from Ireland to Colorado

Recent last minute flight deals from Ireland to Colorado

Recent direct flight deals from Ireland to Colorado

JetBlue flights from Ireland to Colorado

Our best JetBlue deals on Ireland to Colorado flight tickets

British Airways flights from Ireland to Colorado

Our best British Airways deals on Ireland to Colorado flight tickets

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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

What is the cheapest month to fly to Colorado?

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

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 €641 when looking at flights departing in the morning. Flights in the afternoon are often more expensive, with an average ticket price of €749.

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?

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

There is only 1 cabin class 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 15% on your flight if you consider stops on a Ireland to Colorado flight.

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

WestJet and Aer Lingus are the most popular carriers operating from Ireland to Colorado

Which airlines fly to Colorado?

How long is the flight from Ireland to Colorado?

The average flight duration from Ireland to Colorado depends on which airport you fly into and out of. Flying from Dublin to Denver is 13h 35m on average, while flying from Cork to Denver is 16h 15m on average. Denver is the most popular airport in 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

Fastest flight time

Direct flights

Airports in Colorado

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

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

How old do you have to be to fly from Ireland to Colorado?

What documentation or ID do you need to fly to Colorado?

What is the most popular plane model from Ireland to Colorado?

Best airlines flying from Ireland to Colorado

Compare and see reviews for airlines that fly from Ireland to Colorado with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Colorado?

Can I find flights from Ireland to Colorado with flexible booking policies on momondo?

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

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

An easier way to manage your Colorado trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Colorado

Popular Cities in Colorado

Popular flights according to clicks in the last 7 days on momondo