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

JetBlue, Icelandair, and Air Canada are the most popular carriers operating from Colorado to Ireland

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 47% 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 7h 45m on average. Another popular route from Colorado to Ireland is flying from Colorado Springs to Dublin, which will take roughly 12h 59m. Keep in mind that layovers or delays could extend your travel time.

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 November 2025.

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.

$233 Cheap Flights from Colorado to Ireland in 2025/26

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Cheap round-trip flights

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5:25 pm - 3:25 pmDEN-ORK

15h 00m1 stop

7:40 am - 3:30 pmORK-DEN

14h 50m1 stop

$420American Airlines

Find Deal

Wed, Feb 18 - Tue, Feb 24

1:25 pm - 3:25 pmDEN-ORK

19h 00m2 stops

7:40 am - 3:30 pmORK-DEN

14h 50m1 stop

$425American Airlines

Find Deal

Wed, Feb 18 - Tue, Feb 24

7:00 am - 8:10 amGJT-DUB

18h 10m2 stops

9:00 am - 12:40 pmDUB-GJT

34h 40m2 stops

$460United Airlines

Find Deal

Tue, Jan 20 - Sun, Feb 8

7:00 am - 7:10 amGJT-DUB

17h 10m3 stops

9:00 am - 12:40 pmDUB-GJT

34h 40m2 stops

$466Multiple Airlines

Find Deal

Tue, Jan 20 - Sun, Feb 8

8:05 am - 11:00 amDEN-DUB

19h 55m2 stops

5:00 am - 7:55 pmDUB-DEN

20h 55m2 stops

$482Multiple Airlines

Find Deal

Wed, Mar 4 - Tue, Mar 10

9:45 am - 7:30 amDEN-DUB

14h 45m2 stops

9:00 am - 7:29 pmDUB-DEN

17h 29m2 stops

$483United Airlines

Find Deal

Wed, Dec 3 - Wed, Dec 10

11:15 am - 6:10 amDEN-DUB

36h 55m2 stops

9:50 am - 6:52 amDUB-DEN

28h 02m2 stops

$484Air Canada

Find Deal

Mon, Mar 16 - Tue, Mar 31

6:45 pm - 10:45 pmDEN-DUB

22h 00m1 stop

10:50 am - 3:35 pmDUB-DEN

34h 45m1 stop

$485Lufthansa

Find Deal

Wed, Mar 11 - Mon, Mar 23

7:00 am - 7:10 amGJT-DUB

17h 10m3 stops

9:00 am - 10:54 amDUB-GJT

32h 54m3 stops

$489Air Canada

Find Deal

Tue, Jan 20 - Sun, Feb 8

11:21 am - 11:00 amDEN-DUB

17h 39m2 stops

5:45 pm - 2:20 pmDUB-DEN

27h 35m1 stop

$494Lufthansa

Find Deal

Wed, Mar 18 - Mon, Mar 30

Delta flights from Colorado to Ireland

Our best Delta deals on Colorado to Ireland flight tickets

Delta

Dec 3

DEN7:00 amDenver Intl

18h 45m

2 stops

DUB8:45 amDublin

Dec 10

DUB5:55 amDublin

18h 57m

2 stops

DEN5:52 pmDenver Intl

$486

Find similar

Delta

Apr 22

DEN10:45 amDenver Intl

15h 30m

2 stops

DUB9:15 amDublin

Apr 29

DUB6:00 amDublin

16h 31m

2 stops

DEN3:31 pmDenver Intl

$489

Find similar

Delta

Mar 24

DEN7:05 amDenver Intl

18h 40m

2 stops

DUB7:45 amDublin

Mar 31

DUB1:20 pmDublin

17h 34m

2 stops

DEN11:54 pmDenver Intl

$490

Find similar

Lufthansa flights from Colorado to Ireland

Our best Lufthansa deals on Colorado to Ireland flight tickets

Lufthansa

Mar 11

DEN6:45 pmDenver Intl

22h 00m

1 stop

DUB10:45 pmDublin

Mar 23

DUB10:50 amDublin

34h 45m

1 stop

DEN3:35 pmDenver Intl

$485

Find similar

Lufthansa

Nov 7

DEN4:20 pmDenver Intl

17h 50m

1 stop

DUB5:10 pmDublin

Nov 11

DUB9:10 amDublin

13h 50m

1 stop

DEN4:00 pmDenver Intl

$493

Find similar

Lufthansa

Mar 18

DEN11:21 amDenver Intl

17h 39m

2 stops

DUB11:00 amDublin

Mar 30

DUB5:45 pmDublin

27h 35m

1 stop

DEN2:20 pmDenver Intl

$494

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverCork

DEN - ORK

DENORK

Denver Intl

Wed 2/18

5:25 pm-3:25 pm

1 stop15h 00m

Cork

Tue 2/24

7:40 am-3:30 pm

1 stop14h 50m

$420

DenverCork

DEN - ORK

DENORK

Denver Intl

Wed 2/18

1:25 pm-3:25 pm

2 stops19h 00m

Cork

Tue 2/24

7:40 am-3:30 pm

1 stop14h 50m

$425

Grand JunctionDublin

GJT - DUB

GJTDUB

Grand Junction Regnl

Tue 1/20

7:00 am-8:10 am

2 stops18h 10m

Dublin

Sun 2/8

9:00 am-12:40 pm

2 stops34h 40m

$460

Grand JunctionDublin

GJT - DUB

GJTDUB

Grand Junction Regnl

Tue 1/20

7:00 am-7:10 am

3 stops17h 10m

Dublin

Sun 2/8

9:00 am-12:40 pm

2 stops34h 40m

$466

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Wed 3/4

8:05 am-11:00 am

2 stops19h 55m

Dublin

Tue 3/10

5:00 am-7:55 pm

2 stops20h 55m

$482

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Wed 12/3

9:45 am-7:30 am

2 stops14h 45m

Dublin

Wed 12/10

9:00 am-7:29 pm

2 stops17h 29m

$483

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Mon 3/16

11:15 am-6:10 am

2 stops36h 55m

Dublin

Tue 3/31

9:50 am-6:52 am

2 stops28h 02m

$484

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Wed 3/11

6:45 pm-10:45 pm

1 stop22h 00m

Dublin

Mon 3/23

10:50 am-3:35 pm

1 stop34h 45m

$485

Grand JunctionDublin

GJT - DUB

GJTDUB

Grand Junction Regnl

Tue 1/20

7:00 am-7:10 am

3 stops17h 10m

Dublin

Sun 2/8

9:00 am-10:54 am

3 stops32h 54m

$489

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Wed 3/18

11:21 am-11:00 am

2 stops17h 39m

Dublin

Mon 3/30

5:45 pm-2:20 pm

1 stop27h 35m

$494

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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 $483. If you aren’t able to travel to Ireland during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $490.

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 Wednesday when prices can be found for as low as $811. 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 $1,066. 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 $858.

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 $625 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 $549 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?

You could potentially save up to 2% on your flight if you consider stops on a Colorado to Ireland flight.

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	$486
Fastest flight time	7h 45m
Direct flights	Mon, Tue, Sat and Sun
Airports in Ireland	1 airport

The best one-way flight to Ireland from Colorado in the past 72 hours is $486. The best round-trip flight deal from Colorado to Ireland found on momondo in the last 72 hours is $667.

The fastest flight from Colorado to Ireland takes 7h 45m

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

There is 1 airport near Ireland: 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 November 2025.
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 (49.17% of total bookings). The next most popular plane models are Airbus A350-1000 (20.22%), Boeing 787-9 Dreamliner (11.68%), and Boeing 787 Dreamliner (11.48%).

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 2,907 reviews	Search JetBlue flights
Icelandair	PriceFrom $347	Free Cancellation	Rating 7.1 572 reviews	Search Icelandair flights
KLM	PriceFrom $362	Free Cancellation	Rating 7.7 1,405 reviews	Search KLM flights
Delta	PriceFrom $363	Free Cancellation	Rating 7.9 8,001 reviews	Search Delta flights
Iberia	PriceFrom $372	Free Cancellation	Rating 7.0 3,007 reviews	Search Iberia flights
Air Canada	PriceFrom $388	Free Cancellation	Rating 7.1 10,416 reviews	Search Air Canada flights
United Airlines	PriceFrom $397	Free Cancellation	Rating 7.4 9,007 reviews	Search United Airlines flights
Air France	PriceFrom $405	Free Cancellation	Rating 7.4 1,484 reviews	Search Air France flights
American Airlines	PriceFrom $466	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
British Airways	PriceFrom $481	Free Cancellation	Rating 6.7 7,500 reviews	Search British Airways 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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Find better results for your trip to Ireland

Popular cities in Ireland

Flights to Dublinfrom $314

Flights to Shannon, Clarefrom $347

Flights to Corkfrom $392

Flights to Knockfrom $655

Flights to Milltown (Kerry)from $646

Flights to Donegalfrom $446

Cheap flights from Colorado to Ireland from $233

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 12/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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 Colorado to Ireland

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Delta flights from Colorado to Ireland

Our best Delta deals on Colorado to Ireland flight tickets

Lufthansa flights from Colorado to Ireland

Our best Lufthansa 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.

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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

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?

You could potentially save up to 2% on your flight if you consider stops on a Colorado to Ireland flight.

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

JetBlue, Icelandair, and Air Canada 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