HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dublin

$279+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — DUB
Apr 30 — May 71
Wed 4/30
Wed 5/7
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.

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 April 25, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$627
(JetBlue)

One-way from

$291
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$574

Good round-trip deal

$764 or less

Good one-way deal

$519 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. 27% potential increase in price ($234 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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

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 April 25, 2025.

This Air Canada deal was found by Cheapflights users on 4/24. 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.
Wed 10/229:40 amDEN - DUB
2 stops15h 35mAir Canada
Wed 11/59:00 amDUB - DEN
1 stop14h 38mAir Canada
Deal found 4/24$576
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Sat 10/2511:59 pmDEN - DUB
1 stop28h 06mUnited Airlines
Thu 11/611:50 amDUB - DEN
1 stop14h 11mUnited Airlines
Deal found 4/24$579
This oojo deal was found by Cheapflights users on 4/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/244:40 pmDEN - DUB
1 stop13h 35mIcelandair
Mon 11/311:30 amDUB - DEN
1 stop13h 35mIcelandair
Deal found 4/25$581
This Travelocity deal was found by Cheapflights users on 4/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2412:51 pmCOS - DUB
1 stop11h 24mIberia
Mon 1/1910:55 amDUB - COS
2 stops31h 26mIberia
Deal found 4/24$581
This Air Canada deal was found by Cheapflights users on 4/25. 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.
Wed 8/137:50 amDEN - DUB
2 stops16h 55mMultiple Airlines
Wed 8/209:50 amDUB - DEN
2 stops15h 28mMultiple Airlines
Deal found 4/25$583
This Delta deal was found by Cheapflights users on 4/25. 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.
Tue 10/212:20 pmDEN - DUB
2 stops13h 25mDelta
Tue 11/410:45 amDUB - DEN
2 stops16h 35mDelta
Deal found 4/25$593
This KLM deal was found by Cheapflights users on 4/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:00 amCOS - DUB
2 stops19h 05mKLM
Mon 1/195:25 pmDUB - COS
2 stops30h 49mKLM
Deal found 4/24$609
This JetBlue deal was found by Cheapflights users on 4/24. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1811:30 amDEN - DUB
1 stop13h 50mJetBlue
Tue 10/2111:30 amDUB - DEN
1 stop18h 29mJetBlue
Deal found 4/24$612
This KLM deal was found by Cheapflights users on 4/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2412:00 pmDEN - DUB
2 stops14h 15mKLM
Tue 11/410:45 amDUB - DEN
2 stops16h 35mKLM
Deal found 4/25$643
This British Airways deal was found by Cheapflights users on 4/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2412:20 pmDEN - DUB
2 stops14h 20mBritish Airways
Mon 11/38:30 pmDUB - DEN
1 stop25h 55mBritish Airways
Deal found 4/25$648
This Bravofly deal was found by Cheapflights users on 4/24. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/57:55 pmDEN - DUB
Nonstop8h 45mAer Lingus
Sun 5/183:25 pmDUB - DEN
Nonstop9h 34mAer Lingus
Deal found 4/24$649
This Booking.com deal was found by Cheapflights users on 4/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/216:25 pmCOS - DUB
2 stops30h 20mMultiple Airlines
Mon 8/2512:15 pmDUB - COS
2 stops37h 30mMultiple Airlines
Deal found 4/24$650

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 April 25, 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

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Wed 10/22

9:40 am-8:15 am

2 stops15h 35m

Dublin

Wed 11/5

9:00 am-4:38 pm

1 stop14h 38m

$576

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Wed 8/13

7:50 am-7:45 am

2 stops16h 55m

Dublin

Wed 8/20

9:50 am-6:18 pm

2 stops15h 28m

$583

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Wed 10/22

3:40 pm-11:10 am

1 stop12h 30m

Dublin

Wed 11/5

9:00 am-7:01 pm

2 stops17h 01m

$584

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Mon 9/8

4:40 pm-1:15 pm

1 stop13h 35m

Dublin

Tue 10/7

2:15 pm-6:55 pm

1 stop11h 40m

$590

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Tue 10/21

2:20 pm-10:45 am

2 stops13h 25m

Dublin

Tue 11/4

10:45 am-8:20 pm

2 stops16h 35m

$593

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Sat 10/18

11:30 am-8:20 am

1 stop13h 50m

Dublin

Tue 10/21

11:30 am-10:59 pm

1 stop18h 29m

$612

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Mon 5/5

7:55 pm-11:40 am

Nonstop8h 45m

Dublin

Sun 5/18

3:25 pm-5:59 pm

Nonstop9h 34m

$649

Colorado SpringsDublin

COS - DUB

COSDUB

Colorado Springs

Thu 8/21

6:25 pm-7:45 am

2 stops30h 20m

Dublin

Mon 8/25

12:15 pm-6:45 pm

2 stops37h 30m

$650

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Fri 6/6

7:40 pm-10:00 am

2 stops31h 20m

Dublin

Sun 6/15

12:50 pm-6:52 pm

1 stop13h 02m

$666

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Wed 10/15

12:55 pm-9:45 am

1 stop13h 50m

Dublin

Tue 10/21

6:00 pm-5:42 pm

2 stops30h 42m

$685

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 29 results
1
2
3

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, November is the cheapest month in which you can book a flight from Colorado to Dublin (average of $509). Flying from Colorado to Dublin in June is currently the most expensive (average of $1,006). 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 April 25, 2025.

When flying from Colorado to Dublin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Dublin by month

Plan your trip to Dublin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dublin ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Dublin when rainfall is around 1.9 in.

Temperature in Dublin by month

Plan your trip to Dublin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dublin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dublin. Reviews last updated April 25, 2025.
See what other customers who have flown with Delta, KLM and SWISS from Colorado to Dublin have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,582 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.3
Good
2,922 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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, 8 users have taken a look at flights from Colorado to Dublin.

  • 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 $291 on WestJet. Other airlines that offer cheap prices include Aer Lingus from $436 and JetBlue from $493 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 cheapest flights from Colorado to Dublin?

    The cheapest flight price from Colorado to Dublin is $439. On average you can expect to pay $2,675. The most popular route, (Denver Intl - Dublin), can usually be booked for $482.

  • 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, November is the cheapest month in which you can book a flight from Colorado to Dublin (average of $509). Flying from Colorado to Dublin in June is currently the most expensive (average of $1,006). 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 Colorado?

Book flights to Colorado if you plan to visit one of these locations
Maynooth
Castleknock
Swords
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
Minneapolis to Dublin flights
Los Angeles to Dublin flights
Dallas/Fort Worth to Dublin flights
Seattle to Dublin flights
Philadelphia to Dublin flights
San Francisco to Dublin flights
Atlanta to Dublin flights
Baltimore to Dublin flights
Reagan-National to Dublin flights
Cleveland to Dublin flights
Denver to Dublin flights
Orlando to Dublin flights
Charlotte to Dublin flights
Stewart to Dublin flights
Midway to Dublin flights
Boston to Shannon flights
John F Kennedy Intl to Shannon flights
Newark to Shannon flights
Hartford to Dublin flights
Detroit to Dublin flights
Raleigh to Dublin flights
Nashville to Dublin flights
Indianapolis to Dublin flights
Love Field to Dublin flights
Hobby to Dublin flights
Portland to Dublin flights
Austin to Dublin flights
LaGuardia to Shannon flights
Sky Harbor Intl to Dublin flights
Cincinnati to Dublin flights
Kansas City to Dublin flights
Ontario to Dublin flights
George Bush Intcntl to Dublin flights
Tampa to Dublin flights
Pittsburgh to Dublin flights
Miami to Dublin flights
St. Louis to Dublin flights
Santa Ana to Dublin flights
Burbank to Dublin flights
O'Hare Intl to Shannon flights
Columbus to Dublin flights
San Jose to Dublin flights
Oakland to Dublin flights
Jacksonville 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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$344Average$495FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$416Average$554FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$436Average$552FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$446Average$563FlexibilityNo cancel feeOn-time67%
KLMCheapest$449Average$577FlexibilityNo cancel feeOn-time75%
DeltaCheapest$454Average$594FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$468Average$718FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$471Average$648FlexibilityNo cancel feeOn-time76%
IberiaCheapest$483Average$632FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$504Average$714FlexibilityNo 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.