HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ireland

$238+ Cheap flights from Colorado to Ireland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — DUB
dic. 3 — dic. 101
mié. 12/3
mié. 12/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Ireland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Colorado to Ireland

Keep the following information in mind while searching for Colorado to Ireland flight deals. Data was last updated noviembre 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$420
(American Airlines)

One-way from

$238
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$483

Good round-trip deal

$667 or less

Good one-way deal

$486 or less
Provider with most accurate pricing for Denver Intl-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Dublin flights.
Search Deals
From Colorado to Ireland
Search Deals
One-way flight from Colorado to Ireland
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($196 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Colorado to Ireland.
Search Deals
Price to beat on a one-way flight from Colorado to Ireland.
Search Deals

Find flight deals from Colorado to Ireland

Cheapest flights from Colorado to Ireland
Explore the most affordable flight options available from Colorado to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 3, 2025.

This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/246:00 amCOS - DUB
2 stops19h 45mDelta
mié. 12/1011:30 amDUB - COS
2 stops32h 06mDelta
Deal found 11/3$423
This Orbitz deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/111:35 amCOS - DUB
2 stops36h 35mAir Canada
lun. 12/89:00 amDUB - COS
2 stops43h 59mAir Canada
Deal found 11/2$449
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/110:34 amCOS - DUB
2 stops14h 36mUnited Airlines
lun. 12/89:00 amDUB - COS
2 stops43h 57mUnited Airlines
Deal found 11/2$460
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/81:35 pmGJT - DUB
2 stops13h 45mUnited Airlines
sáb. 11/1510:40 amDUB - GJT
2 stops16h 50mUnited Airlines
Deal found 11/2$472
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1711:59 pmDEN - DUB
1 stop27h 21mUnited Airlines
mar. 11/251:35 pmDUB - DEN
2 stops17h 40mUnited Airlines
Deal found 11/2$474
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/1612:45 pmDEN - DUB
1 stop14h 10mUnited Airlines
mié. 11/269:30 amDUB - DEN
2 stops15h 55mUnited Airlines
Deal found 11/2$475
This Cheapflightsfares deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/41:35 pmGJT - DUB
2 stops20h 35mLufthansa
mar. 11/189:10 amDUB - GJT
2 stops18h 20mLufthansa
Deal found 11/3$478
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/268:05 amDEN - DUB
2 stops18h 50mUnited Airlines
mié. 12/39:00 amDUB - DEN
1 stop14h 40mUnited Airlines
Deal found 11/2$478
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/155:25 pmDEN - DUB
1 stop31h 45mUnited Airlines
mié. 11/269:00 amDUB - DEN
1 stop16h 05mUnited Airlines
Deal found 11/3$479
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1011:51 amDEN - DUB
1 stop13h 49mAmerican Airlines
lun. 12/157:35 amDUB - DEN
1 stop14h 55mAmerican Airlines
Deal found 11/2$480
This FlightHub deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/225:30 pmDEN - DUB
1 stop30h 40mMultiple Airlines
mar. 12/210:50 amDUB - DEN
1 stop34h 45mMultiple Airlines
Deal found 11/2$481
This Lufthansa deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/165:45 pmDEN - DUB
1 stop15h 40mLufthansa
jue. 11/275:00 amDUB - DEN
1 stop18h 00mLufthansa
Deal found 11/3$482

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated noviembre 3, 2025.
Use the filters below to find and compare flights from Colorado to Ireland that are best for you.

Fly from

Colorado

Fly to

Ireland

Route

Depart

Return

Price

Colorado SpringsDublin

COS - DUB

COSDUB

Colorado Springs

lun. 11/24

6:00 am-8:45 am

2 stops19h 45m

Dublin

mié. 12/10

10:45 am-5:19 pm

2 stops37h 34m

$423

Colorado SpringsDublin

COS - DUB

COSDUB

Colorado Springs

lun. 11/24

6:00 am-8:45 am

2 stops19h 45m

Dublin

mié. 12/10

11:30 am-12:36 pm

2 stops32h 06m

$423

DenverCork

DEN - ORK

DENORK

Denver Intl

dom. 3/1

5:25 pm-9:00 pm

1 stop20h 35m

Cork

mar. 3/31

7:20 am-4:35 pm

1 stop16h 15m

$445

Colorado SpringsDublin

COS - DUB

COSDUB

Colorado Springs

lun. 12/1

10:34 am-8:10 am

2 stops14h 36m

Dublin

lun. 12/8

9:00 am-9:57 pm

2 stops43h 57m

$460

DenverCork

DEN - ORK

DENORK

Denver Intl

mar. 4/28

4:59 pm-3:10 pm

2 stops15h 11m

Cork

mar. 5/12

7:20 am-4:35 pm

1 stop16h 15m

$470

DenverCork

DEN - ORK

DENORK

Denver Intl

mié. 1/14

5:25 pm-9:00 pm

1 stop20h 35m

Cork

dom. 1/25

7:40 am-3:30 pm

1 stop14h 50m

$470

DenverDublin

DEN - DUB

DENDUB

Denver Intl

dom. 11/16

1:45 pm-9:55 am

1 stop13h 10m

Dublin

mar. 11/25

9:30 am-6:25 pm

2 stops15h 55m

$474

DenverDublin

DEN - DUB

DENDUB

Denver Intl

lun. 11/17

4:05 pm-10:20 am

1 stop11h 15m

Dublin

mar. 11/25

9:30 am-7:18 pm

2 stops16h 48m

$474

DenverDublin

DEN - DUB

DENDUB

Denver Intl

mié. 11/26

8:05 am-9:55 am

2 stops18h 50m

Dublin

mié. 12/3

9:00 am-4:40 pm

1 stop14h 40m

$478

DenverDublin

DEN - DUB

DENDUB

Denver Intl

dom. 11/16

5:45 pm-10:45 pm

1 stop22h 00m

Dublin

jue. 11/27

5:00 am-4:00 pm

1 stop18h 00m

$482

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 39 results
1
2
3
4

Best time to book a flight from Colorado to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Colorado with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Ireland

What is the cheapest month to book a flight from Colorado to Ireland?

Currently, January is the cheapest month in which you can book a flight from Colorado to Ireland (average of $342). Flying from Colorado to Ireland in June is currently the most expensive (average of $679). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CO to IE?

Find hourly flight availability from Colorado to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 3, 2025.

When flying from Colorado to Ireland, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 12% versus a flight in the morning.

What is the cheapest day to fly from Colorado to Ireland?

Use this chart to determine the cheapest time to fly round-trip from Colorado to Ireland. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Colorado to Ireland flight should consider departing on Wednesday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Colorado to Ireland flight route?

    Within the past month, 7 users have taken a look at flights from Colorado to Ireland.

  • How long is the flight from Colorado to Ireland?

    There are many flights that can get you from Colorado to Ireland in 19h 45m. Fly via KLM, Delta, or American Airlines to get the fastest option. Airlines will cover a distance of 4434 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Colorado to Ireland that include hotel bookings?

    Yes. In addition to deals on Colorado to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Ireland.

  • Can I find deals for business class flights from Colorado to Ireland?

    Yes. Cheapflights offers flight deals from Colorado to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado to Ireland?

    Currently, January is the cheapest month in which you can book a flight from Colorado to Ireland (average of $342). Flying from Colorado to Ireland in June is currently the most expensive (average of $679). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Gatwick flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
Newark to Orly flights
John F Kennedy Intl to London City flights
Boston to Heathrow flights
LaGuardia to Heathrow flights
Miami to Madrid flights
John F Kennedy Intl to Orly flights
Newark to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Istanbul flights
Newark to Gatwick flights
Dulles Intl to Heathrow flights
Los Angeles to Heathrow flights
LaGuardia to Charles de Gaulle flights
LaGuardia to Gatwick flights
Los Angeles to Charles de Gaulle flights
San Francisco to Heathrow flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to Madrid flights
Newark to Madrid flights
O'Hare Intl to Heathrow flights
Dallas/Fort Worth to Heathrow flights
John F Kennedy Intl to Dublin flights
Boston to Charles de Gaulle flights
O'Hare Intl to Charles de Gaulle flights
John F Kennedy Intl to Malpensa flights
John F Kennedy Intl to Barcelona-El Prat flights
Newark to London City flights
Baltimore to Heathrow flights
John F Kennedy Intl to Luton flights
John F Kennedy Intl to Lisbon flights
San Francisco to Charles de Gaulle flights
Newark to Dublin flights
Dulles Intl to Charles de Gaulle flights
Newark to Malpensa flights
Newark to Barcelona-El Prat flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
Newark to Frankfurt flights
Dallas/Fort Worth to Leonardo da Vinci/Fiumicino flights
Newark to Athens flights
Seattle to Heathrow flights
Dulles Intl to Madrid flights
Newark to Lisbon flights
Newark to Stansted flights
John F Kennedy Intl to Amsterdam flights
Dallas/Fort Worth to Charles de Gaulle flights

Top 10 airlines flying from Colorado to Ireland

Discover the top 10 airlines that operate flights from Colorado to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated noviembre 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$131Average$655FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$347Average$509FlexibilityNo cancel feeOn-time76%
KLMCheapest$362Average$596FlexibilityNo cancel feeOn-time75%
DeltaCheapest$363Average$654FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$372Average$569FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$388Average$584FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$397Average$749FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$405Average$579FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$466Average$808FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$481Average$570FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.