What airlines fly to Ireland?

Aer Lingus, United Airlines and Icelandair are the top three most popular airlines that fly to Ireland from Colorado according to our data. Aer Lingus is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 12 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

How long is the flight from Colorado to Ireland?

Flight times from Colorado to Ireland vary, but if you’re flying out of Denver and flying into Dublin (one of the most popular routes), then the duration is 8h 45m on average. Another popular route from Colorado to Ireland is flying from Colorado Springs to Dublin, which will take roughly 13h 34m. Keep in mind that layovers or delays could extend your travel time.

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

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

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

Prices for flights from Colorado to Ireland refresh daily.

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

There are 12 operators available for flights from Colorado to Ireland as of February 2026.

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

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 Colorado to Ireland.

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

The necessary travel and health documents for your Ireland 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.

$261 Cheap Flights from Colorado to Ireland in 2026

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Find the cheapest flights from Colorado to Ireland

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 10:15 am

DEN

DUB

11h 35m

1 stop

11:30 am - 6:05 pm

DUB

DEN

13h 35m

1 stop

$431Icelandair

Thu, Feb 26 - Thu, Mar 5

4:40 pm - 1:15 pm

DEN

DUB

13h 35m

1 stop

2:15 pm - 7:00 pm

DUB

DEN

11h 45m

1 stop

$442Icelandair

Mon, Apr 27 - Tue, May 5

6:00 am - 7:10 am

COS

DUB

18h 10m

2 stops

8:00 am - 9:44 pm

DUB

COS

43h 44m

2 stops

$466United Airlines

Thu, Mar 5 - Mon, Mar 9

11:36 am - 8:10 am

COS

DUB

13h 34m

1 stop

8:00 am - 9:44 pm

DUB

COS

19h 44m

2 stops

$481United Airlines

Wed, Mar 4 - Wed, Mar 11

7:55 am - 4:45 pm

COS

ORK

25h 50m

2 stops

5:15 pm - 10:21 pm

ORK

COS

36h 06m

2 stops

$497Delta

Mon, Feb 23 - Mon, Mar 2

6:57 pm - 7:45 am

COS

DUB

29h 48m

2 stops

9:50 am - 2:24 pm

DUB

COS

35h 34m

2 stops

$579Air Canada

Thu, May 7 - Mon, May 11

1:22 pm - 7:45 am

COS

DUB

11h 23m

1 stop

5:55 am - 8:28 pm

DUB

COS

20h 33m

2 stops

$583Delta

Thu, Mar 5 - Thu, Mar 12

1:55 pm - 3:25 pm

COS

DUB

18h 30m

2 stops

11:00 am - 9:58 pm

DUB

COS

17h 58m

1 stop

$646Multiple Airlines

Thu, May 7 - Mon, May 11

5:40 pm - 4:30 pm

DEN

ORK

15h 50m

1 stop

5:05 pm - 7:00 pm

ORK

DEN

32h 55m

2 stops

$703Multiple Airlines

Thu, Apr 23 - Thu, Apr 30

8:45 am - 11:10 am

COS

ORK

19h 25m

3 stops

7:40 am - 9:04 pm

ORK

COS

20h 24m

3 stops

$1,506Air Canada

Mon, Feb 23 - Mon, Mar 2

Icelandair flights from Colorado to Ireland

Our best Icelandair deals on Colorado to Ireland flight tickets

Icelandair

Feb 26

DEN3:40 pmDenver Intl

11h 35m

1 stop

DUB10:15 amDublin

Mar 5

DUB11:30 amDublin

13h 35m

1 stop

DEN6:05 pmDenver Intl

$431

Icelandair

Apr 27

DEN4:40 pmDenver Intl

13h 35m

1 stop

DUB1:15 pmDublin

May 5

DUB2:15 pmDublin

11h 45m

1 stop

DEN7:00 pmDenver Intl

$442

Icelandair

Apr 27

DEN4:40 pmDenver Intl

13h 35m

1 stop

DUB1:15 pmDublin

May 8

DUB12:15 pmDublin

13h 45m

1 stop

DEN7:00 pmDenver Intl

$443

Air Canada flights from Colorado to Ireland

Our best Air Canada deals on Colorado to Ireland flight tickets

Air Canada

May 7

COS6:57 pmColorado Springs

29h 48m

2 stops

DUB7:45 amDublin

May 11

DUB9:50 amDublin

35h 34m

2 stops

COS2:24 pmColorado Springs

$579

Air Canada

Aug 1

GJT6:06 pmGrand Junction Regnl

30h 39m

2 stops

DUB7:45 amDublin

Aug 11

DUB9:50 amDublin

33h 25m

2 stops

GJT12:15 pmGrand Junction Regnl

$618

Air Canada

Aug 2

GJT7:00 amGrand Junction Regnl

17h 45m

2 stops

DUB7:45 amDublin

Aug 10

DUB9:50 amDublin

41h 37m

2 stops

GJT8:27 pmGrand Junction Regnl

$644

Fly from

Fly to

Route

Depart

Return

Price

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Thu 2/26

3:40 pm-10:15 am

1 stop11h 35m

Dublin

Thu 3/5

11:30 am-6:05 pm

1 stop13h 35m

$431

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Mon 4/27

4:40 pm-1:15 pm

1 stop13h 35m

Dublin

Tue 5/5

2:15 pm-7:00 pm

1 stop11h 45m

$442

Colorado SpringsDublin

COS - DUB

COSDUB

Colorado Springs

Thu 3/5

6:00 am-7:10 am

2 stops18h 10m

Dublin

Mon 3/9

8:00 am-9:44 pm

2 stops43h 44m

$466

Colorado SpringsDublin

COS - DUB

COSDUB

Colorado Springs

Wed 3/4

11:36 am-8:10 am

1 stop13h 34m

Dublin

Wed 3/11

8:00 am-9:44 pm

2 stops19h 44m

$481

Colorado SpringsCork

COS - ORK

COSORK

Colorado Springs

Mon 2/23

7:55 am-4:45 pm

2 stops25h 50m

Cork

Mon 3/2

5:15 pm-10:21 pm

2 stops36h 06m

$497

Colorado SpringsDublin

COS - DUB

COSDUB

Colorado Springs

Thu 5/7

6:57 pm-7:45 am

2 stops29h 48m

Dublin

Mon 5/11

9:50 am-2:24 pm

2 stops35h 34m

$579

Colorado SpringsDublin

COS - DUB

COSDUB

Colorado Springs

Thu 3/5

1:22 pm-7:45 am

1 stop11h 23m

Dublin

Thu 3/12

5:55 am-8:28 pm

2 stops20h 33m

$583

Colorado SpringsDublin

COS - DUB

COSDUB

Colorado Springs

Thu 5/7

1:55 pm-3:25 pm

2 stops18h 30m

Dublin

Mon 5/11

11:00 am-9:58 pm

1 stop17h 58m

$646

DenverCork

DEN - ORK

DENORK

Denver Intl

Thu 4/23

5:40 pm-4:30 pm

1 stop15h 50m

Cork

Thu 4/30

5:05 pm-7:00 pm

2 stops32h 55m

$703

Colorado SpringsCork

COS - ORK

COSORK

Colorado Springs

Mon 2/23

8:45 am-11:10 am

3 stops19h 25m

Cork

Mon 3/2

7:40 am-9:04 pm

3 stops20h 24m

$1,506

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Colorado to Ireland

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 Ireland?

In general, November is the cheapest month to fly from Colorado to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $485. If you aren’t able to travel to Ireland during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $493.

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

The cheapest day to depart on your flight to Ireland is on a Monday when prices can be found for as low as $794. This is often the case because there is less demand to fly during this day of the week. Flights from Colorado to Ireland on a Tuesday will generally be more expensive and average around $954. 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 Ireland?

According to our data, the cheapest time of day to fly to Ireland is in the afternoon. momondo users have found flights departing from Colorado to Ireland in the afternoon for as low as $548. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is in the evening when prices are around $825.

What is the cheapest Colorado to Ireland flight route?

Fly from Denver Intl to Dublin for the best Colorado - Ireland flight prices

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $631 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Colorado for as low as $565 on momondo.

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

There are 3 cabin classes available to choose from on Colorado to Ireland 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 Colorado to Ireland flights?

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

Cheap Colorado to Ireland flight deals and tips

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

Best Price Found	$431
Fastest flight time	8h 45m
Direct flights	Mon, Tue, Thu, Sat and Sun
Airports in Ireland	77 airports

The best one-way flight to Ireland from Colorado in the past 72 hours is $431. The best round-trip flight deal from Colorado to Ireland found on momondo in the last 72 hours is $621.

The fastest flight from Colorado to Ireland takes 8h 45m

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

There are 77 airports in Ireland. From Colorado there are direct flights to Dublin (DUB).

Search flight deals

When did momondo last update prices for flights from Colorado to Ireland?
Prices for flights from Colorado to Ireland refresh daily.
How many operators does momondo search for flights from Colorado to Ireland?
There are 12 operators available for flights from Colorado to Ireland as of February 2026.
How old do you have to be to fly from Colorado to Ireland?
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 Colorado to Ireland.
What documentation or ID do you need to fly to Ireland?
The necessary travel and health documents for your Ireland 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 Colorado to Ireland?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Colorado to Ireland is Airbus A330-200 (75.20% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (10.08%), Boeing 787 Dreamliner (4.64%), and Boeing 777-200/200ER (2.82%).

Best airlines flying from Colorado to Ireland

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

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $131	Free Cancellation	Rating 7.2 2,898 reviews	Search JetBlue flights
Icelandair	PriceFrom $356	Free Cancellation	Rating 7.1 606 reviews	Search Icelandair flights
KLM	PriceFrom $362	Free Cancellation	Rating 7.7 1,450 reviews	Search KLM flights
Air Canada	PriceFrom $383	Free Cancellation	Rating 7.1 10,697 reviews	Search Air Canada flights
Iberia	PriceFrom $387	Free Cancellation	Rating 7.0 3,106 reviews	Search Iberia flights
United Airlines	PriceFrom $387	Free Cancellation	Rating 7.4 9,246 reviews	Search United Airlines flights
Delta	PriceFrom $391	Free Cancellation	Rating 7.9 8,166 reviews	Search Delta flights
British Airways	PriceFrom $402	Free Cancellation	Rating 6.7 7,719 reviews	Search British Airways flights
Air France	PriceFrom $405	Free Cancellation	Rating 7.4 1,531 reviews	Search Air France flights
Lufthansa	PriceFrom $432	Free Cancellation	Rating 6.8 7,769 reviews	Search Lufthansa flights

Why use momondo?

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

Finding the right flight to Ireland from Colorado is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ireland quick and easy, saving you time and money.

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

Flights from Colorado to Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Colorado to Ireland 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 Colorado to Ireland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Colorado to Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Ireland 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.

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Popular cities

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Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Ireland

Flights to Dublinfrom $293

Flights to Shannon, Clarefrom $342

Flights to Corkfrom $405

Flights to Milltown (Kerry)from $521

Flights to Knockfrom $611

Flights to Donegalfrom $760

Cheap flights from Colorado to Ireland from $261

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Ireland departing on 5/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

Filter for what you want

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Find the cheapest flights from Colorado to Ireland

Cheap round-trip flights

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Icelandair flights from Colorado to Ireland

Our best Icelandair deals on Colorado to Ireland flight tickets

Air Canada flights from Colorado to Ireland

Our best Air Canada deals on Colorado to Ireland flight tickets

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

See travel insights to Ireland from

How to get the cheapest flight ticket from Colorado to Ireland

What is the cheapest month to fly to Ireland?

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

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

What is the cheapest Colorado to Ireland flight route?

Fly from Denver Intl to Dublin for the best Colorado - Ireland flight prices

How far in advance should I book a flight to Ireland?

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

There are 3 cabin classes available to choose from on Colorado to Ireland 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 Colorado to Ireland flights?

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

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

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

What airlines fly to Ireland?

How long is the flight from Colorado to Ireland?

Cheap Colorado to Ireland flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Ireland

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

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

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

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

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

Best airlines flying from Colorado to Ireland

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

Why use momondo?

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

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

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

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

An easier way to manage your Ireland 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 Ireland

Popular cities in Ireland

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

Colorado flight routes

According to popular flight searches on momondo this year

Ireland flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Ireland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Ireland

List of cabin classes available on flights landing in Ireland. Availability may vary depending on flight origin and airline.

Complete your trip to Ireland

Explore popular destinations other users love

According to popular flight searches on momondo this year