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 43% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 13 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

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

United Airlines is the most popular carrier operating from Colorado to Ireland

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 14h 32m. Keep in mind that layovers or delays could extend your travel time.

How many flights depart from Colorado to Ireland on average per day?

The number of flights available between Colorado and Ireland is 2 per day as of May 2026. The most frequent departure time is 8:00PM, with 100% of daily flights leaving in the evening.

How many flights depart from Colorado to Ireland on average per week?

As of May 2026, 20 flights take off from Colorado and land in Ireland each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.

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 13 operators available for flights from Colorado to Ireland as of May 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.

$323 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.

6:00 am - 10:15 am

DEN

SNN

21h 15m

1 stop

12:30 pm - 11:05 pm

SNN

DEN

17h 35m

1 stop

$708United Airlines

Tue, Sep 1 - Tue, Sep 8

1:50 pm - 10:15 am

DEN

SNN

13h 25m

2 stops

12:30 pm - 9:11 pm

SNN

DEN

15h 41m

1 stop

$713United Airlines

Tue, Sep 1 - Tue, Sep 8

6:30 am - 11:10 am

DEN

SNN

21h 40m

1 stop

1:05 pm - 10:49 pm

SNN

DEN

16h 44m

1 stop

$718KLM

Sat, Sep 5 - Wed, Sep 16

10:45 am - 11:10 am

DEN

SNN

17h 25m

2 stops

1:05 pm - 5:58 pm

SNN

DEN

35h 53m

2 stops

$723KLM

Sat, Sep 5 - Wed, Sep 16

7:45 am - 7:30 am

DEN

SNN

16h 45m

1 stop

9:30 am - 2:26 pm

SNN

DEN

11h 56m

1 stop

$728United Airlines

Fri, Sep 11 - Sat, Sep 19

8:00 pm - 11:45 am

DEN

DUB

8h 45mnonstop

9:35 am - 10:54 pm

DUB

DEN

20h 19m

2 stops

$789Multiple Airlines

Wed, Aug 19 - Wed, Sep 2

4:40 pm - 10:15 am

DEN

DUB

10h 35m

1 stop

11:30 am - 6:05 pm

DUB

DEN

13h 35m

1 stop

$799Icelandair

Sun, Nov 1 - Sat, Nov 14

8:00 pm - 11:45 am

DEN

DUB

8h 45mnonstop

6:40 pm - 2:29 pm

DUB

DEN

50h 49m

3 stops

$803Multiple Airlines

Sat, Aug 8 - Thu, Aug 27

12:43 pm - 8:15 am

DEN

DUB

12h 32m

1 stop

1:20 pm - 8:17 pm

DUB

DEN

13h 57m

1 stop

$804Aer Lingus

Fri, Sep 4 - Fri, Sep 11

2:12 pm - 9:00 am

DEN

DUB

12h 48m

1 stop

1:00 pm - 10:23 am

DUB

DEN

28h 23m

1 stop

$815Aer Lingus

Mon, Oct 26 - Mon, Nov 2

British Airways flights from Colorado to Ireland

Our best British Airways deals on Colorado to Ireland flight tickets

British Airways

Oct 18

DEN6:35 pmDenver Intl

18h 00m

1 stop

DUB7:35 pmDublin

Nov 6

DUB8:50 amDublin

13h 40m

1 stop

DEN3:30 pmDenver Intl

$826

British Airways

Sep 9

DEN6:40 pmDenver Intl

12h 55m

1 stop

DUB2:35 pmDublin

Sep 16

DUB10:30 amDublin

13h 00m

1 stop

DEN4:30 pmDenver Intl

$830

British Airways

Oct 26

DEN6:25 pmDenver Intl

12h 10m

1 stop

DUB12:35 pmDublin

Nov 2

DUB8:40 pmDublin

25h 50m

1 stop

DEN3:30 pmDenver Intl

$836

Delta flights from Colorado to Ireland

Our best Delta deals on Colorado to Ireland flight tickets

Delta

Jul 18

DEN5:45 amDenver Intl

22h 25m

2 stops

SNN11:10 amShannon

Jul 26

SNN1:05 pmShannon

38h 48m

2 stops

DEN8:53 pmDenver Intl

$804

Delta

May 21

DEN11:50 pmDenver Intl

28h 20m

1 stop

SNN11:10 amShannon

May 25

SNN1:05 pmShannon

16h 35m

1 stop

DEN10:40 pmDenver Intl

$881

Delta

May 21

DEN11:50 pmDenver Intl

28h 20m

1 stop

SNN11:10 amShannon

May 25

SNN1:05 pmShannon

27h 17m

2 stops

DEN9:22 amDenver Intl

$886

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Tue 9/1

6:00 am-10:15 am

1 stop21h 15m

Shannon

Tue 9/8

12:30 pm-11:05 pm

1 stop17h 35m

$708

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Tue 9/1

1:50 pm-10:15 am

2 stops13h 25m

Shannon

Tue 9/8

12:30 pm-9:11 pm

1 stop15h 41m

$713

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Sat 9/5

6:30 am-11:10 am

1 stop21h 40m

Shannon

Wed 9/16

1:05 pm-10:49 pm

1 stop16h 44m

$718

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Sat 9/5

10:45 am-11:10 am

2 stops17h 25m

Shannon

Wed 9/16

1:05 pm-5:58 pm

2 stops35h 53m

$723

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Fri 9/11

7:45 am-7:30 am

1 stop16h 45m

Shannon

Sat 9/19

9:30 am-2:26 pm

1 stop11h 56m

$728

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Wed 8/19

8:00 pm-11:45 am

Nonstop8h 45m

Dublin

Wed 9/2

9:35 am-10:54 pm

2 stops20h 19m

$789

Quickest round-trip

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Sun 11/1

4:40 pm-10:15 am

1 stop10h 35m

Dublin

Sat 11/14

11:30 am-6:05 pm

1 stop13h 35m

$799

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Sat 8/8

8:00 pm-11:45 am

Nonstop8h 45m

Dublin

Thu 8/27

6:40 pm-2:29 pm

3 stops50h 49m

$803

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Fri 9/4

12:43 pm-8:15 am

1 stop12h 32m

Dublin

Fri 9/11

1:20 pm-8:17 pm

1 stop13h 57m

$804

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Mon 10/26

2:12 pm-9:00 am

1 stop12h 48m

Dublin

Mon 11/2

1:00 pm-10:23 am

1 stop28h 23m

$815

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, October 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 $201. If you aren’t able to travel to Ireland during the month of October, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $313.

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 Thursday when prices can be found for as low as $742. 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 Saturday will generally be more expensive and average around $873. 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 $806.

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 from Colorado 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 $620 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 $527 on momondo.

Can stopping save me money on Colorado to Ireland flights?

You could potentially save up to 23% 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	$541
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 $541. The best round-trip flight deal from Colorado to Ireland found on momondo in the last 72 hours is $1,020.

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

Frequently asked questions about flying 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 13 operators available for flights from Colorado to Ireland as of May 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 (74.81% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (7.36%), Boeing 787 Dreamliner (6.86%), and Airbus A350-1000 (4.61%).

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 7.1 2,973 reviews	Search JetBlue flights
Icelandair	PriceFrom $348	Free Cancellation	Rating 7.0 653 reviews	Search Icelandair flights
SWISS	PriceFrom $356	Free Cancellation	Rating 7.6 1,942 reviews	Search SWISS flights
KLM	PriceFrom $362	Free Cancellation	Rating 7.8 1,514 reviews	Search KLM flights
United Airlines	PriceFrom $366	Free Cancellation	Rating 7.4 9,700 reviews	Search United Airlines flights
Air Canada	PriceFrom $377	Free Cancellation	Rating 7.1 11,017 reviews	Search Air Canada flights
Iberia	PriceFrom $387	Free Cancellation	Rating 7.0 3,215 reviews	Search Iberia flights
British Airways	PriceFrom $402	Free Cancellation	Rating 6.7 7,969 reviews	Search British Airways flights
Delta	PriceFrom $403	Free Cancellation	Rating 7.9 8,452 reviews	Search Delta flights
Air France	PriceFrom $405	Free Cancellation	Rating 7.4 1,586 reviews	Search Air France 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

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Popular cities in Ireland

Flights to Dublinfrom $250

Flights to Shannon, Clarefrom $561

Flights to Corkfrom $613

Flights to Knockfrom $871

Flights to Milltown (Kerry)from $933

Flights to Donegalfrom $899

Cheap flights from Colorado to Ireland from $323

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 6/17. 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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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?

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

Can stopping save me money on Colorado to Ireland flights?

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

What airlines fly to Ireland?

How many flights depart from Colorado to Ireland on average per day?

How many flights depart from Colorado to Ireland on average per week?

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

Frequently asked questions about flying 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?

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.

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According to popular flight searches on momondo this year