HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dublin

$271+ Cheap flights from Colorado to Dublin (DUB)

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — DUB
dic. 31 — ene. 71
mié. 12/31
mié. 1/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Dublin 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.

Find flight deals from Colorado to Dublin

Cheapest flights from Colorado to Dublin
Explore the most affordable flight options available from Colorado to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 1, 2025.

This United Airlines deal was found by Cheapflights users on 11/30. 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. 12/79:24 amCOS - DUB
1 stop15h 46mUnited Airlines
vie. 1/169:00 amDUB - COS
2 stops43h 58mUnited Airlines
Deal found 11/30$455
This Air Canada deal was found by Cheapflights users on 11/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/71:25 pmDEN - DUB
1 stop10h 45mAir Canada
dom. 12/149:00 amDUB - DEN
1 stop32h 23mAir Canada
Deal found 11/28$470
This Air Canada deal was found by Cheapflights users on 11/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/85:30 pmDEN - DUB
1 stop30h 40mAir Canada
dom. 12/149:00 amDUB - DEN
2 stops17h 55mAir Canada
Deal found 11/28$471
This Cheapflightsfares deal was found by Cheapflights users on 11/30. 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.
mié. 12/1011:15 amDEN - DUB
1 stop16h 05mLufthansa
lun. 12/1510:50 amDUB - DEN
2 stops18h 06mLufthansa
Deal found 11/30$475
This Air France deal was found by Cheapflights users on 11/28. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1111:36 amDEN - DUB
1 stop14h 44mAir France
mar. 12/169:45 amDUB - DEN
1 stop12h 54mAir France
Deal found 11/28$483
This United Airlines deal was found by Cheapflights users on 11/29. 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. 12/107:50 amDEN - DUB
2 stops16h 40mUnited Airlines
lun. 12/1510:40 amDUB - DEN
2 stops16h 06mUnited Airlines
Deal found 11/29$488
This United Airlines deal was found by Cheapflights users on 11/30. 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. 12/1412:50 pmCOS - DUB
1 stop12h 20mUnited Airlines
vie. 1/169:00 amDUB - COS
2 stops43h 58mUnited Airlines
Deal found 11/30$497
This KAYAK deal was found by Cheapflights users on 11/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/75:38 pmDEN - DUB
2 stops33h 42mLufthansa
mar. 12/169:30 amDUB - DEN
2 stops36h 04mLufthansa
Deal found 11/28$499
This KAYAK deal was found by Cheapflights users on 11/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/104:05 pmDEN - DUB
1 stop11h 15mLufthansa
dom. 12/141:35 pmDUB - DEN
2 stops31h 59mLufthansa
Deal found 11/28$500
This KAYAK deal was found by Cheapflights users on 11/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/124:05 pmDEN - DUB
1 stop11h 15mLufthansa
mar. 12/161:35 pmDUB - DEN
2 stops31h 59mLufthansa
Deal found 11/28$501
This KAYAK deal was found by Cheapflights users on 11/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/105:38 pmDEN - DUB
2 stops33h 42mLufthansa
mar. 12/161:35 pmDUB - DEN
2 stops31h 59mLufthansa
Deal found 11/28$512
This Air Canada deal was found by Cheapflights users on 11/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/111:25 pmDEN - DUB
1 stop10h 45mAir Canada
dom. 12/149:00 amDUB - DEN
1 stop32h 23mAir Canada
Deal found 11/28$520

Cheap flight deals from Colorado to Dublin

Keep the following information in mind while searching for Colorado to Dublin flight deals. Data was last updated diciembre 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$413
(Ovago)

One-way from

$271
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$678

Good round-trip deal

$732 or less

Good one-way deal

$479 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 Dublin
Search Deals
One-way flight from Colorado to Dublin
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($188 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 December 2025
Search Deals
Price to beat on a round-trip flight from Colorado to Dublin.
Search Deals
Price to beat on a one-way flight from Colorado to Dublin.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Dublin 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 diciembre 1, 2025.
Use the filters below to find and compare flights from Colorado to Dublin that are best for you.

Fly from

Colorado

Fly to

Dublin

Route

Depart

Return

Price

Colorado SpringsDublin

COS - DUB

COSDUB

Colorado Springs

mié. 1/14

3:17 pm-5:00 pm

2 stops18h 43m

Dublin

mié. 1/21

8:40 pm-5:41 pm

2 stops28h 01m

$413

Colorado SpringsDublin

COS - DUB

COSDUB

Colorado Springs

mar. 1/13

3:17 pm-2:20 pm

2 stops16h 03m

Dublin

mar. 1/20

8:50 am-8:57 pm

2 stops19h 07m

$414

Grand JunctionDublin

GJT - DUB

GJTDUB

Grand Junction Regnl

mar. 1/20

7:00 am-8:10 am

2 stops18h 10m

Dublin

dom. 2/8

9:00 am-2:46 pm

2 stops36h 46m

$460

Grand JunctionDublin

GJT - DUB

GJTDUB

Grand Junction Regnl

mar. 1/20

7:00 am-7:10 am

3 stops17h 10m

Dublin

dom. 2/8

9:00 am-12:40 pm

2 stops34h 40m

$466

Grand JunctionDublin

GJT - DUB

GJTDUB

Grand Junction Regnl

mié. 1/14

6:10 pm-7:10 am

3 stops30h 00m

Dublin

mié. 1/21

9:00 am-12:40 pm

2 stops34h 40m

$466

DenverDublin

DEN - DUB

DENDUB

Denver Intl

sáb. 1/31

5:25 pm-3:00 pm

1 stop14h 35m

Dublin

lun. 2/9

8:40 pm-3:30 pm

1 stop25h 50m

$468

DenverDublin

DEN - DUB

DENDUB

Denver Intl

jue. 2/12

5:25 pm-12:25 pm

1 stop12h 00m

Dublin

lun. 2/23

1:00 pm-3:30 pm

1 stop33h 30m

$468

DenverDublin

DEN - DUB

DENDUB

Denver Intl

vie. 1/23

5:25 pm-9:50 am

1 stop33h 25m

Dublin

lun. 2/9

8:40 pm-3:30 pm

1 stop25h 50m

$468

DenverDublin

DEN - DUB

DENDUB

Denver Intl

mié. 1/14

12:07 pm-12:40 pm

2 stops17h 33m

Dublin

mié. 1/21

10:45 am-9:14 pm

2 stops17h 29m

$469

Grand JunctionDublin

GJT - DUB

GJTDUB

Grand Junction Regnl

vie. 1/23

7:40 am-3:45 pm

2 stops25h 05m

Dublin

mar. 1/27

1:25 pm-10:02 pm

2 stops39h 37m

$483

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 38 results
1
2
3
4

Best time to book a flight from Colorado to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin 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 Dublin

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

Currently, January is the cheapest month in which you can book a flight from Colorado to Dublin (average of $346). Flying from Colorado to Dublin in June is currently the most expensive (average of $677). 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 DUB?

Find hourly flight availability from Colorado to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 1, 2025.

When flying from Colorado to Dublin, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 20% versus a flight in the morning.

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

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

Travelers seeking maximum savings on their Colorado to Dublin flight should consider departing on Tuesday afternoons 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 Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Dublin from Colorado?

    For a flight from Colorado to Dublin, you will be flying into Dublin. Dublin (DUB) is just 5.7 mi from the center of the city.

  • How popular is this Colorado to Dublin flight route?

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

  • How long is the flight from Colorado to Dublin?

    For as low as $469, British Airways can have you in Dublin from Colorado in 17h 33m. The distance from Colorado to Dublin is about 4378 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Colorado to Dublin one-way?

    One-way options have recently been found by users for as low as $315 on Icelandair. Other airlines that offer cheap prices include British Airways from $352 and Lufthansa from $354 one-way.

  • What are the most popular routes from Colorado to Dublin?

    The most popular flight routes from Colorado to Dublin are Denver Intl - Dublin, Colorado Springs - Dublin and Grand Junction Regnl - Dublin.

  • What are the most reliable airlines from Colorado to Dublin?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Colorado to Dublin on time: American Airlines (91%), Aer Lingus (91%), Iberia (91%).

  • What are the cheapest flights from Colorado to Dublin?

    The cheapest flight price from Colorado to Dublin is $414. On average you can expect to pay $736. The most popular route, (Denver Intl - Dublin), can usually be booked for $353.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado to Dublin 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 Dublin?

    Currently, January is the cheapest month in which you can book a flight from Colorado to Dublin (average of $346). Flying from Colorado to Dublin in June is currently the most expensive (average of $677). 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

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Maynooth
Castleknock
Wicklow
Leixlip

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 Dublin

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Dublin flights
Newark to Dublin flights
Boston to Dublin flights
O'Hare Intl to Dublin flights
Dulles Intl to Dublin flights
LaGuardia to Dublin flights
Philadelphia to Dublin flights
Minneapolis to Dublin flights
Seattle to Dublin flights
Los Angeles to Dublin flights
San Francisco to Dublin flights
Baltimore to Dublin flights
Dallas/Fort Worth to Dublin flights
Denver to Dublin flights
Reagan-National to Dublin flights
Atlanta to Dublin flights
Charlotte to Dublin flights
Orlando to Dublin flights
Cleveland to Dublin flights
John F Kennedy Intl to Shannon flights
Midway to Dublin flights
Indianapolis to Dublin flights
Nashville to Dublin flights
Newark to Shannon flights
Raleigh to Dublin flights
Boston to Shannon flights
Hartford to Dublin flights
Detroit to Dublin flights
Hobby to Dublin flights
Love Field to Dublin flights
LaGuardia to Shannon flights
Austin to Dublin flights
Portland to Dublin flights
Miami to Dublin flights
Tampa to Dublin flights
Sky Harbor Intl to Dublin flights
Kansas City to Dublin flights
San Diego to Dublin flights
Salt Lake City to Dublin flights
Pittsburgh to Dublin flights
George Bush Intcntl to Dublin flights
San Jose to Dublin flights
Ontario to Dublin flights
Columbus to Dublin flights
St. Louis to Dublin flights
Cincinnati to Dublin flights
Santa Ana to Dublin flights
Oakland to Dublin flights
Charleston to Dublin flights
Las Vegas to Dublin flights

Top 10 airlines flying from Colorado to Dublin

Discover the top 10 airlines that operate flights from Colorado to Dublin. 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 diciembre 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$131Average$655FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$360Average$519FlexibilityNo cancel feeOn-time76%
KLMCheapest$362Average$624FlexibilityNo cancel feeOn-time75%
IberiaCheapest$372Average$568FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$387Average$591FlexibilityNo cancel feeOn-time67%
DeltaCheapest$391Average$580FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$396Average$728FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$405Average$554FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$473Average$585FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$479Average$733FlexibilityNo cancel feeOn-timeN/A

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.