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$256+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — DUB
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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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 June 18, 2025.

Round-trip from

$500
(Air Canada)

One-way from

$256
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$980

Good round-trip deal

$656 or less

Good one-way deal

$441 or less
From Colorado to Dublin
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One-way flight from Colorado to Dublin
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Highest demand for flights based on searches. 25% potential increase in price ($216 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Colorado to Dublin.
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Price to beat on a one-way flight from Colorado to Dublin.
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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 June 18, 2025.

This Air Canada deal was found by Cheapflights users on 6/17. 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.
Fri 9/127:45 amDEN - DUB
1 stop17h 30mAir Canada
Mon 9/159:50 amDUB - DEN
1 stop17h 04mAir Canada
Deal found 6/17$500
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/32:17 pmDEN - DUB
1 stop13h 23mAer Lingus
Thu 9/183:25 pmDUB - DEN
Nonstop9h 34mAer Lingus
Deal found 6/17$501
This Delta deal was found by Cheapflights users on 6/17. 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.
Thu 7/176:35 amDEN - DUB
1 stop18h 20mDelta
Thu 7/2410:00 amDUB - DEN
2 stops20h 28mDelta
Deal found 6/17$503
This Iberia deal was found by Cheapflights users on 6/17. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/184:36 pmDEN - DUB
1 stop34h 09mIberia
Wed 8/61:45 pmDUB - DEN
1 stop13h 37mIberia
Deal found 6/17$504
This CheapOair deal was found by Cheapflights users on 6/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/125:40 pmDEN - DUB
1 stop31h 05mMultiple Airlines
Sat 7/195:45 pmDUB - DEN
1 stop27h 00mMultiple Airlines
Deal found 6/17$505
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Tue 9/239:40 amDEN - DUB
2 stops15h 35mUnited Airlines
Mon 10/61:35 pmDUB - DEN
2 stops16h 38mUnited Airlines
Deal found 6/17$509
This Lufthansa deal was found by Cheapflights users on 6/17. 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.
Thu 8/145:59 pmDEN - DUB
2 stops15h 56mLufthansa
Mon 8/188:00 pmDUB - DEN
1 stop24h 45mLufthansa
Deal found 6/17$515
This SWISS deal was found by Cheapflights users on 6/17. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/165:50 pmDEN - DUB
2 stops42h 40mSWISS
Mon 7/217:50 pmDUB - DEN
2 stops51h 30mSWISS
Deal found 6/17$525
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 11/412:48 pmGJT - DUB
2 stops17h 47mAmerican Airlines
Tue 11/1811:30 amDUB - GJT
2 stops16h 50mAmerican Airlines
Deal found 6/16$536
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Tue 11/41:35 pmGJT - DUB
2 stops13h 30mUnited Airlines
Tue 11/1811:50 amDUB - GJT
3 stops31h 42mUnited Airlines
Deal found 6/17$537
This American Airlines deal was found by Cheapflights users on 6/17. 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.
Mon 8/118:53 amDEN - DUB
1 stop16h 17mAmerican Airlines
Wed 8/203:25 pmDUB - DEN
Nonstop9h 34mAmerican Airlines
Deal found 6/17$551
This FlightHub deal was found by Cheapflights users on 6/16. 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.
Tue 12/233:40 pmDEN - DUB
1 stop11h 35mIcelandair
Thu 1/811:30 amDUB - DEN
1 stop13h 35mIcelandair
Deal found 6/16$571

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 June 18, 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

Fri 9/12

7:45 am-8:15 am

1 stop17h 30m

Dublin

Mon 9/15

9:50 am-7:54 pm

1 stop17h 04m

$500

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Wed 9/3

2:17 pm-10:40 am

1 stop13h 23m

Dublin

Wed 9/17

3:25 pm-5:59 pm

Nonstop9h 34m

$501

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Thu 7/17

6:35 am-7:55 am

1 stop18h 20m

Dublin

Thu 7/24

10:00 am-11:28 pm

2 stops20h 28m

$503

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Fri 7/18

4:36 pm-9:45 am

1 stop34h 09m

Dublin

Wed 8/6

1:45 pm-8:22 pm

1 stop13h 37m

$504

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Sat 7/12

5:40 pm-7:45 am

1 stop31h 05m

Dublin

Sat 7/19

5:45 pm-1:45 pm

1 stop27h 00m

$505

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Thu 8/14

5:59 pm-4:55 pm

2 stops15h 56m

Dublin

Mon 8/18

8:00 pm-1:45 pm

1 stop24h 45m

$515

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Mon 7/21

2:44 pm-9:45 am

1 stop12h 01m

Dublin

Sun 8/3

8:50 am-12:30 am

1 stop22h 40m

$523

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Wed 7/16

5:50 pm-7:30 pm

2 stops42h 40m

Dublin

Mon 7/21

7:50 pm-4:20 pm

2 stops51h 30m

$525

Grand JunctionDublin

GJT - DUB

GJTDUB

Grand Junction Regnl

Tue 11/4

12:48 pm-1:35 pm

2 stops17h 47m

Dublin

Tue 11/18

11:30 am-9:20 pm

2 stops16h 50m

$536

Grand JunctionDublin

GJT - DUB

GJTDUB

Grand Junction Regnl

Tue 11/4

1:35 pm-10:05 am

2 stops13h 30m

Dublin

Tue 11/18

11:50 am-12:32 pm

3 stops31h 42m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 44 results
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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 $942). 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 June 18, 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 June 18, 2025.
See what other customers who have flown with Delta, KLM and Finnair 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
7,965 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,965 reviews
Delta
8.0
Very good
7,965 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,363 reviews
Delta
8.0
Very good
7,965 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,292 reviews
Delta
8.0
Very good
7,965 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,467 reviews
Delta
8.0
Very good
7,965 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,632 reviews
Delta
8.0
Very good
7,965 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $319 on British Airways. Other airlines that offer cheap prices include Iberia from $331 and American Airlines from $332 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, Grand Junction Regnl - Dublin and Colorado Springs - Dublin.

  • What are the cheapest flights from Colorado to Dublin?

    The cheapest flight price from Colorado to Dublin is $409. On average you can expect to pay $2,444. The most popular route, (Denver Intl - Dublin), can usually be booked for $335.

  • 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 $942). 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

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Alternative routes for Colorado to Dublin

See prices for flight routes from nearby airports that may be better suited for you.
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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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$344Average$492FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$436Average$548FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$446Average$569FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$449Average$601FlexibilityNo cancel feeOn-time77%
DeltaCheapest$456Average$586FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$459Average$555FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$464Average$645FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$470Average$708FlexibilityNo cancel feeOn-time69%
IberiaCheapest$488Average$588FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$488Average$888FlexibilityNo cancel feeOn-time71%

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