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

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

How long is the flight from Ireland to Colorado?

Flight times from Ireland to Colorado vary, but if you’re flying out of Dublin and flying into Denver (one of the most popular routes), then the duration is 13h 35m on average. Another popular route from Ireland to Colorado is flying from Shannon to Denver, which will take roughly 17h 48m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Colorado?

Aer Lingus, American Airlines 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 58% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 5 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?

There are 5 operators available for flights from Ireland to Colorado as of November 2025.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Colorado trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$383 Cheap Flights from Ireland to Colorado in 2025/26

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Recent round-trip flight deals from Ireland to Colorado

Enter your travel dates to find the best prices.

11:30 am - 6:05 pmDUB-DEN

13h 35m1 stop

3:40 pm - 10:15 amDEN-DUB

11h 35m1 stop

$574Icelandair

Find Deal

Thu, Jan 8 - Wed, Jan 21

11:30 am - 6:05 pmDUB-DEN

13h 35m1 stop

3:40 pm - 10:15 amDEN-DUB

11h 35m1 stop

$575Icelandair

Find Deal

Thu, Jan 8 - Wed, Jan 21

3:15 pm - 3:58 amDUB-DEN

19h 43m1 stop

10:01 am - 1:20 pmDEN-DUB

20h 19m1 stop

$651Multiple Airlines

Find Deal

Thu, Jan 8 - Thu, Jan 22

11:30 am - 6:05 pmDUB-DEN

13h 35m1 stop

4:40 pm - 11:05 amDEN-DUB

11h 25m1 stop

$658Icelandair

Find Deal

Sat, Jan 10 - Tue, Mar 31

12:30 pm - 11:18 pmSNN-DEN

17h 48m2 stops

1:25 pm - 10:15 amDEN-SNN

13h 50m2 stops

$842United Airlines

Find Deal

Fri, May 8 - Mon, May 11

7:20 am - 4:35 pmORK-DEN

16h 15m1 stop

12:54 pm - 10:45 amDEN-ORK

14h 51m2 stops

$977American Airlines

Find Deal

Wed, Apr 29 - Sun, May 3

8:30 pm - 4:35 pmORK-DEN

27h 05m1 stop

6:40 pm - 3:10 pmDEN-ORK

13h 30m1 stop

$979British Airways

Find Deal

Wed, Apr 29 - Sun, May 3

12:45 pm - 11:25 pmDUB-COS

17h 40m2 stops

12:31 pm - 9:40 amCOS-DUB

14h 09m2 stops

$980American Airlines

Find Deal

Wed, May 6 - Sun, May 10

7:20 am - 4:35 pmORK-DEN

16h 15m1 stop

6:40 pm - 3:10 pmDEN-ORK

13h 30m1 stop

$980British Airways

Find Deal

Wed, Apr 29 - Sun, May 3

5:30 pm - 3:30 pmSNN-DEN

29h 00m1 stop

5:25 pm - 3:45 pmDEN-SNN

15h 20m1 stop

$1,287Aer Lingus

Find Deal

Mon, Dec 1 - Fri, Dec 5

Icelandair flights from Ireland to Colorado

Our best Icelandair deals on Ireland to Colorado flight tickets

Icelandair

Jan 8

DUB11:30 amDublin

13h 35m

1 stop

DEN6:05 pmDenver Intl

Jan 21

DEN3:40 pmDenver Intl

11h 35m

1 stop

DUB10:15 amDublin

$570

Find similar

Icelandair

Jan 8

DUB11:30 amDublin

13h 35m

1 stop

DEN6:05 pmDenver Intl

Jan 21

DEN3:40 pmDenver Intl

11h 35m

1 stop

DUB10:15 amDublin

$575

Find similar

Icelandair

May 12

DUB2:15 pmDublin

11h 40m

1 stop

DEN6:55 pmDenver Intl

May 27

DEN4:40 pmDenver Intl

13h 35m

1 stop

DUB1:15 pmDublin

$759

Find similar

JetBlue flights from Ireland to Colorado

Our best JetBlue deals on Ireland to Colorado flight tickets

JetBlue

May 6

DUB10:40 amDublin

17h 59m

1 stop

DEN9:39 pmDenver Intl

May 10

DEN9:18 amDenver Intl

16h 02m

1 stop

DUB8:20 amDublin

$736

Find similar

JetBlue

May 15

DUB10:40 amDublin

28h 48m

1 stop

DEN8:28 amDenver Intl

May 22

DEN11:59 pmDenver Intl

26h 01m

1 stop

DUB9:00 amDublin

$774

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinDenver

DUB - DEN

DUBDEN

Dublin

Thu 1/8

11:30 am-6:05 pm

1 stop13h 35m

Denver Intl

Wed 1/21

3:40 pm-10:15 am

1 stop11h 35m

$574

DublinDenver

DUB - DEN

DUBDEN

Dublin

Thu 1/8

11:30 am-6:05 pm

1 stop13h 35m

Denver Intl

Wed 1/21

3:40 pm-10:15 am

1 stop11h 35m

$575

DublinDenver

DUB - DEN

DUBDEN

Dublin

Thu 1/8

3:15 pm-3:58 am

1 stop19h 43m

Denver Intl

Thu 1/22

10:01 am-1:20 pm

1 stop20h 19m

$651

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sat 1/10

11:30 am-6:05 pm

1 stop13h 35m

Denver Intl

Tue 3/31

4:40 pm-11:05 am

1 stop11h 25m

$658

ShannonDenver

SNN - DEN

SNNDEN

Shannon

Fri 5/8

12:30 pm-11:18 pm

2 stops17h 48m

Denver Intl

Mon 5/11

1:25 pm-10:15 am

2 stops13h 50m

$842

CorkDenver

ORK - DEN

ORKDEN

Cork

Wed 4/29

7:20 am-4:35 pm

1 stop16h 15m

Denver Intl

Sun 5/3

12:54 pm-10:45 am

2 stops14h 51m

$977

CorkDenver

ORK - DEN

ORKDEN

Cork

Wed 4/29

8:30 pm-4:35 pm

1 stop27h 05m

Denver Intl

Sun 5/3

6:40 pm-3:10 pm

1 stop13h 30m

$979

DublinColorado Springs

DUB - COS

DUBCOS

Dublin

Wed 5/6

12:45 pm-11:25 pm

2 stops17h 40m

Colorado Springs

Sun 5/10

12:31 pm-9:40 am

2 stops14h 09m

$980

CorkDenver

ORK - DEN

ORKDEN

Cork

Wed 4/29

7:20 am-4:35 pm

1 stop16h 15m

Denver Intl

Sun 5/3

6:40 pm-3:10 pm

1 stop13h 30m

$980

ShannonDenver

SNN - DEN

SNNDEN

Shannon

Mon 12/1

5:30 pm-3:30 pm

1 stop29h 00m

Denver Intl

Fri 12/5

5:25 pm-3:45 pm

1 stop15h 20m

$1,287

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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

Prices

Airlines

Other information

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 $635. The month of October is another great option to travel to Colorado, with average flight prices from Ireland averaging around $639.

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

The cheapest day to depart from Ireland to Colorado is on a Friday when prices can be found for as low as $486. On the other hand, Monday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,107.

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

The cheapest time of day to fly to Colorado is at noon when flights can be purchased for as low as $716. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $803 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 $785 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Ireland for as low as $621 on momondo.

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

There are 3 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 9% 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	$653
Fastest flight time	9h 34m
Direct flights	Thu and Sat
Airports in Colorado	1 airport

The best one-way flight to Colorado from Ireland in the past 72 hours is $653. The best round-trip flight deal from Ireland to Colorado found on momondo in the last 72 hours is $433.

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

Direct flights go from Ireland to Colorado on Thursday and Saturday. 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?
There are 5 operators available for flights from Ireland to Colorado as of November 2025.
How old do you have to be to fly from Ireland to Colorado?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Colorado trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Ireland to Colorado?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Ireland to Colorado is Airbus A330-200 (83.02% of total bookings). The next most popular plane models are Airbus A321neo (7.55%), Airbus A321-100/200 (2.83%), and Airbus A330-300 (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 $430	Free Cancellation	Rating 6.7 7,527 reviews	Search British Airways flights
Aer Lingus	PriceFrom $433	Free Cancellation	Rating 7.2 1,371 reviews	Search Aer Lingus flights
American Airlines	PriceFrom $589	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
United Airlines	PriceFrom $625	Free Cancellation	Rating 7.4 9,015 reviews	Search United Airlines flights
Icelandair	PriceFrom $650	Free Cancellation	Rating 7.0 580 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?

All flight searches from Ireland to Colorado on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Colorado from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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Cheap flights from Ireland to Colorado from $383

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 1/8. 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 and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from Ireland to Colorado

Recent round-trip 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

Icelandair flights from Ireland to Colorado

Our best Icelandair deals on Ireland to Colorado flight tickets

JetBlue flights from Ireland to Colorado

Our best JetBlue deals on Ireland to Colorado flight tickets

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Use the filters below to find and compare flights from Ireland to Colorado that are best for you.

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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?

The month of September is, on average, the cheapest month to fly to Colorado from Ireland, with most prices found around $635. The month of October is another great option to travel to Colorado, with average flight prices from Ireland averaging around $639.

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?

The cheapest time of day to fly to Colorado is at noon when flights can be purchased for as low as $716. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $803 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?

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

There are 3 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 9% on your flight if you consider stops on a Ireland to Colorado flight.

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

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

What airlines fly to Colorado?

How long is the flight from 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

Best Price Found

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, organize 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