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$220+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — DUB
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
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 julio 31, 2025.

Round-trip from

$370
(United Airlines)

One-way from

$221
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$788

Good round-trip deal

$530 or less

Good one-way deal

$454 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 ($204 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 31, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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.
vie. 10/244:40 pmDEN - DUB
1 stop13h 35mIcelandair
sáb. 11/111:30 amDUB - DEN
1 stop13h 35mIcelandair
Deal found 7/30$371
This CheapOair deal was found by Cheapflights users on 7/31. 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.
dom. 8/109:40 amDEN - DUB
1 stop15h 05mMultiple Airlines
lun. 8/188:00 pmDUB - DEN
1 stop24h 45mMultiple Airlines
Deal found 7/31$374
This United Airlines deal was found by Cheapflights users on 7/30. 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.
lun. 8/258:28 pmDEN - DUB
1 stop30h 17mUnited Airlines
vie. 9/59:50 amDUB - DEN
1 stop31h 24mUnited Airlines
Deal found 7/30$376
This Air Canada deal was found by Cheapflights users on 7/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/107:52 amDEN - DUB
2 stops16h 53mAir Canada
mar. 9/169:20 amDUB - DEN
1 stop15h 58mAir Canada
Deal found 7/30$377
This Delta deal was found by Cheapflights users on 7/31. 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. 8/1112:10 pmDEN - DUB
2 stops14h 50mDelta
mié. 8/209:10 amDUB - DEN
2 stops20h 59mDelta
Deal found 7/31$391
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/224:15 pmDEN - DUB
1 stop17h 40mLufthansa
mar. 10/289:10 amDUB - DEN
1 stop13h 50mLufthansa
Deal found 7/30$392
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/117:55 pmDEN - DUB
Nonstop8h 45mAer Lingus
mié. 8/203:25 pmDUB - DEN
Nonstop9h 34mAer Lingus
Deal found 7/30$396
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/255:50 pmDEN - DUB
1 stop35h 20mSWISS
jue. 9/46:40 pmDUB - DEN
2 stops34h 20mSWISS
Deal found 7/29$399
This Iberia deal was found by Cheapflights users on 7/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/265:32 pmDEN - DUB
1 stop11h 08mIberia
mié. 9/312:40 pmDUB - DEN
1 stop14h 20mIberia
Deal found 7/29$404
This KLM deal was found by Cheapflights users on 7/31. 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.
dom. 10/2611:40 amDEN - DUB
1 stop15h 40mKLM
lun. 11/311:30 amDUB - DEN
2 stops15h 50mKLM
Deal found 7/31$418
This Delta deal was found by Cheapflights users on 7/31. 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.
mar. 11/45:55 amGJT - DUB
2 stops18h 50mDelta
mar. 11/189:45 amDUB - GJT
2 stops19h 45mDelta
Deal found 7/31$537
This United Airlines deal was found by Cheapflights users on 7/31. 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.
mar. 10/2812:30 pmCOS - DUB
1 stop13h 40mUnited Airlines
mar. 11/412:05 pmDUB - COS
2 stops16h 02mUnited Airlines
Deal found 7/31$537

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 julio 31, 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

vie. 10/24

4:40 pm-1:15 pm

1 stop13h 35m

Dublin

sáb. 11/1

11:30 am-7:05 pm

1 stop13h 35m

$371

DenverDublin

DEN - DUB

DENDUB

Denver Intl

dom. 8/10

9:40 am-7:45 am

1 stop15h 05m

Dublin

lun. 8/18

8:00 pm-1:45 pm

1 stop24h 45m

$374

DenverDublin

DEN - DUB

DENDUB

Denver Intl

lun. 8/25

8:28 pm-9:45 am

1 stop30h 17m

Dublin

vie. 9/5

9:50 am-10:14 am

1 stop31h 24m

$376

DenverDublin

DEN - DUB

DENDUB

Denver Intl

mié. 9/10

7:52 am-7:45 am

2 stops16h 53m

Dublin

mar. 9/16

9:20 am-6:18 pm

1 stop15h 58m

$377

DenverDublin

DEN - DUB

DENDUB

Denver Intl

lun. 8/11

12:10 pm-10:00 am

2 stops14h 50m

Dublin

mié. 8/20

9:10 am-11:09 pm

2 stops20h 59m

$391

DenverDublin

DEN - DUB

DENDUB

Denver Intl

mié. 10/22

4:15 pm-4:55 pm

1 stop17h 40m

Dublin

mar. 10/28

9:10 am-5:00 pm

1 stop13h 50m

$392

DenverDublin

DEN - DUB

DENDUB

Denver Intl

lun. 8/11

7:55 pm-11:40 am

Nonstop8h 45m

Dublin

mié. 8/20

3:25 pm-5:59 pm

Nonstop9h 34m

$396

DenverDublin

DEN - DUB

DENDUB

Denver Intl

lun. 8/25

5:50 pm-12:10 pm

1 stop35h 20m

Dublin

jue. 9/4

6:40 pm-10:00 pm

2 stops34h 20m

$399

DenverDublin

DEN - DUB

DENDUB

Denver Intl

mar. 8/26

5:32 pm-11:40 am

1 stop11h 08m

Dublin

mié. 9/3

12:40 pm-8:00 pm

1 stop14h 20m

$404

DenverDublin

DEN - DUB

DENDUB

Denver Intl

dom. 10/26

11:40 am-9:20 am

1 stop15h 40m

Dublin

lun. 11/3

11:30 am-8:20 pm

2 stops15h 50m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 35 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 $924). 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 julio 31, 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.

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 julio 31, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and SWISS from Colorado to Dublin to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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
1,686 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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 $221 on WestJet. Other airlines that offer cheap prices include British Airways from $305 and United Airlines from $316 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: Iberia (82%), Aer Lingus (77%), American Airlines (76%).

  • What are the cheapest flights from Colorado to Dublin?

    The cheapest flight price from Colorado to Dublin is $363. On average you can expect to pay $614. The most popular route, (Denver Intl - Dublin), can usually be booked for $334.

  • 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 $924). 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
Swords
Wicklow
Leixlip

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Alternative routes for Colorado to Dublin

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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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$131Average$656FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$344Average$486FlexibilityNo cancel feeOn-time76%
IberiaCheapest$352Average$568FlexibilityNo cancel feeOn-time77%
KLMCheapest$362Average$547FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$401Average$691FlexibilityNo cancel feeOn-time69%
DeltaCheapest$403Average$579FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$413Average$554FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$436Average$582FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$438Average$574FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$464Average$622FlexibilityNo cancel feeOn-time76%

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