Cheap flights from Colorado to Ireland from $285

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.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:20 pm - 11:10 am
DEN
-
SNN
15h 50m
1 stop
Multiple Airlines Logo
1:05 pm - 10:49 pm
SNN
-
DEN
16h 44m
1 stop
$658Multiple Airlines
Sun, Sep 6 - Wed, Sep 16
Aer Lingus Logo
8:00 pm - 11:45 am
DEN
-
DUB
8h 45mnonstop
Aer Lingus Logo
3:25 pm - 6:15 pm
DUB
-
DEN
9h 50mnonstop
$661Aer Lingus
Sat, May 2 - Sat, May 9
Multiple Airlines Logo
6:30 am - 11:10 am
DEN
-
SNN
21h 40m
1 stop
Multiple Airlines Logo
1:05 pm - 11:45 pm
SNN
-
DEN
17h 40m
2 stops
$662Multiple Airlines
Sun, Sep 6 - Wed, Sep 16
KLM Logo
11:59 pm - 11:10 am
DEN
-
SNN
28h 11m
1 stop
KLM Logo
1:05 pm - 10:49 pm
SNN
-
DEN
16h 44m
1 stop
$663KLM
Sat, Sep 5 - Tue, Sep 15
Turkish Airlines Logo
8:25 pm - 9:35 am
DEN
-
DUB
30h 10m
1 stop
Turkish Airlines Logo
5:45 am - 6:25 pm
DUB
-
DEN
19h 40m
1 stop
$666Turkish Airlines
Thu, Apr 16 - Thu, Apr 23
Turkish Airlines Logo
8:25 pm - 11:05 pm
DEN
-
DUB
19h 40m
1 stop
Turkish Airlines Logo
5:35 am - 6:25 pm
DUB
-
DEN
19h 50m
1 stop
$667Turkish Airlines
Tue, Apr 7 - Tue, Apr 14
KLM Logo
6:30 am - 11:10 am
DEN
-
SNN
21h 40m
1 stop
KLM Logo
1:05 pm - 10:49 pm
SNN
-
DEN
16h 44m
1 stop
$668KLM
Fri, Sep 4 - Wed, Sep 16
Scandinavian Airlines Logo
6:40 am - 9:25 am
DEN
-
DUB
43h 45m
2 stops
Scandinavian Airlines Logo
11:10 am - 10:48 pm
DUB
-
DEN
42h 38m
2 stops
$671Scandinavian Airlines
Thu, Apr 16 - Thu, Apr 23
Air Canada Logo
7:00 am - 7:45 am
GJT
-
DUB
41h 45m
2 stops
Air Canada Logo
9:20 am - 8:36 pm
DUB
-
GJT
42h 16m
2 stops
$673Air Canada
Mon, Aug 17 - Thu, Aug 20
Air Canada Logo
7:00 am - 7:45 am
GJT
-
DUB
17h 45m
2 stops
Air Canada Logo
9:20 am - 10:06 pm
DUB
-
GJT
43h 46m
2 stops
$676Air Canada
Mon, Aug 3 - Thu, Aug 27

Aer Lingus flights from Colorado to Ireland

Our best Aer Lingus deals on Colorado to Ireland flight tickets
Aer Lingus
May 2
DEN8:00 pmDenver Intl
8h 45m
DUB11:45 amDublin
May 9
DUB3:25 pmDublin
9h 50m
DEN6:15 pmDenver Intl
$661
Aer Lingus
Sep 5
DEN8:00 pmDenver Intl
8h 45m
DUB11:45 amDublin
Sep 16
DUB3:25 pmDublin
9h 50m
DEN6:15 pmDenver Intl
$670
Aer Lingus
Aug 15
DEN8:00 pmDenver Intl
8h 45m
DUB11:45 amDublin
Aug 22
DUB3:25 pmDublin
9h 50m
DEN6:15 pmDenver Intl
$682

Turkish Airlines flights from Colorado to Ireland

Our best Turkish Airlines deals on Colorado to Ireland flight tickets
Turkish Airlines
Apr 16
DEN8:25 pmDenver Intl
30h 10m
1 stop
DUB9:35 amDublin
Apr 23
DUB5:45 amDublin
19h 40m
1 stop
DEN6:25 pmDenver Intl
$666
Turkish Airlines
Apr 7
DEN8:25 pmDenver Intl
19h 40m
1 stop
DUB11:05 pmDublin
Apr 14
DUB5:35 amDublin
19h 50m
1 stop
DEN6:25 pmDenver Intl
$667
Turkish Airlines
May 5
DEN8:25 pmDenver Intl
19h 40m
1 stop
DUB11:05 pmDublin
May 9
DUB10:40 amDublin
38h 45m
1 stop
DEN6:25 pmDenver Intl
$678

momondo Fare Finder

 
Customize your flight search to find flights from Colorado to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 23, 2026.
Use the filters below to find and compare flights from Colorado to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Sun 9/6

12:20 pm-11:10 am

1 stop15h 50m

Shannon

Wed 9/16

1:05 pm-10:49 pm

1 stop16h 44m

$658
Quickest round-trip

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Sat 5/2

8:00 pm-11:45 am

Nonstop8h 45m

Dublin

Sat 5/9

3:25 pm-6:15 pm

Nonstop9h 50m

$661

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Sun 9/6

6:30 am-11:10 am

1 stop21h 40m

Shannon

Wed 9/16

1:05 pm-11:45 pm

2 stops17h 40m

$662

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Sat 9/5

11:59 pm-11:10 am

1 stop28h 11m

Shannon

Tue 9/15

1:05 pm-10:49 pm

1 stop16h 44m

$663

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Thu 4/16

8:25 pm-9:35 am

1 stop30h 10m

Dublin

Thu 4/23

5:45 am-6:25 pm

1 stop19h 40m

$666

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Tue 4/7

8:25 pm-11:05 pm

1 stop19h 40m

Dublin

Tue 4/14

5:35 am-6:25 pm

1 stop19h 50m

$667

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Fri 9/4

6:30 am-11:10 am

1 stop21h 40m

Shannon

Wed 9/16

1:05 pm-10:49 pm

1 stop16h 44m

$668

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Thu 4/16

6:40 am-9:25 am

2 stops43h 45m

Dublin

Thu 4/23

11:10 am-10:48 pm

2 stops42h 38m

$671

Grand JunctionDublin

GJT - DUB

GJTDUB

Grand Junction Regnl

Mon 8/17

7:00 am-7:45 am

2 stops41h 45m

Dublin

Thu 8/20

9:20 am-8:36 pm

2 stops42h 16m

$673

Grand JunctionDublin

GJT - DUB

GJTDUB

Grand Junction Regnl

Mon 8/3

7:00 am-7:45 am

2 stops17h 45m

Dublin

Thu 8/27

9:20 am-10:06 pm

2 stops43h 46m

$676

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

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?

In general, January 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 $434. If you aren’t able to travel to Ireland during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $466.

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 $773. 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 $853. 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 $804.

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 $618 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 $551 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 1% 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

$379

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 $379. The best round-trip flight deal from Colorado to Ireland found on momondo in the last 72 hours is $793.
The fastest flight from Colorado to Ireland takes 8h 45m
Direct flights go from Colorado to Ireland on Monday, Tuesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Aer Lingus.
There are 77 airports in Ireland. From Colorado there are direct flights to Dublin (DUB).
  • 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?

  • 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?

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
JetBluePriceFrom $131Free CancellationRating
7.2
2,909 reviews
Search JetBlue flights
IcelandairPriceFrom $350Free CancellationRating
7.0
625 reviews
Search Icelandair flights
SWISSPriceFrom $356Free CancellationRating
7.5
1,902 reviews
Search SWISS flights
KLMPriceFrom $362Free CancellationRating
7.8
1,477 reviews
Search KLM flights
United AirlinesPriceFrom $375Free CancellationRating
7.4
9,459 reviews
Search United Airlines flights
Air CanadaPriceFrom $377Free CancellationRating
7.1
10,834 reviews
Search Air Canada flights
IberiaPriceFrom $387Free CancellationRating
7.0
3,147 reviews
Search Iberia flights
British AirwaysPriceFrom $402Free CancellationRating
6.7
7,811 reviews
Search British Airways flights
DeltaPriceFrom $403Free CancellationRating
7.9
8,319 reviews
Search Delta flights
Air FrancePriceFrom $405Free CancellationRating
7.4
1,547 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

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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1 adult
Wed 4/22
Wed 4/29

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Popular cities in Ireland

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