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$280+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — DUB
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$508
(United Airlines)

One-way from

$280
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$721

Good round-trip deal

$733 or less

Good one-way deal

$498 or less
Provider with most accurate pricing for Denver Intl-Dublin flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Dublin flights.
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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. 27% potential increase in price ($232 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 10/221:45 pmGJT - DUB
2 stops13h 35mUnited Airlines
Wed 11/59:00 amDUB - GJT
2 stops43h 57mUnited Airlines
Deal found 4/30$508
This Air Canada deal was found by Cheapflights users on 4/30. 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.
Wed 10/227:30 amGJT - DUB
3 stops17h 45mMultiple Airlines
Wed 11/59:00 amDUB - GJT
2 stops42h 27mMultiple Airlines
Deal found 4/30$515
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/225:46 amGJT - DUB
1 stop20h 59mAmerican Airlines
Wed 11/511:30 amDUB - GJT
2 stops16h 50mAmerican Airlines
Deal found 4/30$537
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/295:22 pmDEN - DUB
1 stop11h 18mAmerican Airlines
Wed 8/69:30 amDUB - DEN
1 stop19h 25mAmerican Airlines
Deal found 4/30$588
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/217:52 amDEN - DUB
1 stop16h 53mUnited Airlines
Tue 11/49:00 amDUB - DEN
2 stops16h 07mUnited Airlines
Deal found 4/28$589
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1910:30 amDEN - DUB
2 stops14h 45mDelta
Tue 8/266:00 amDUB - DEN
2 stops18h 27mDelta
Deal found 4/30$590
This oojo deal was found by Cheapflights users on 4/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/84:40 pmDEN - DUB
1 stop13h 35mIcelandair
Thu 8/142:15 pmDUB - DEN
1 stop11h 40mIcelandair
Deal found 4/30$591
This CrystalTravel deal was found by Cheapflights users on 4/30. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/155:50 pmDEN - DUB
1 stop17h 00mMultiple Airlines
Mon 8/255:45 pmDUB - DEN
1 stop27h 00mMultiple Airlines
Deal found 4/30$596
This British Airways deal was found by Cheapflights users on 4/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/182:04 pmDEN - DUB
2 stops14h 46mBritish Airways
Mon 8/258:55 pmDUB - DEN
1 stop26h 30mBritish Airways
Deal found 4/29$597
This KLM deal was found by Cheapflights users on 4/30. 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 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 4/30$603
This StudentUniverse deal was found by Cheapflights users on 4/30. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/192:04 pmDEN - DUB
2 stops20h 11mFinnair
Tue 9/26:00 pmDUB - DEN
2 stops36h 35mFinnair
Deal found 4/30$606
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/412:44 pmDEN - DUB
1 stop14h 01mIberia
Tue 8/1212:40 pmDUB - DEN
1 stop14h 17mIberia
Deal found 4/29$608

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 May 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

Grand JunctionDublin

GJT - DUB

GJTDUB

Grand Junction Regnl

Wed 10/22

1:45 pm-10:20 am

2 stops13h 35m

Dublin

Wed 11/5

9:00 am-9:57 pm

2 stops43h 57m

$508

Grand JunctionDublin

GJT - DUB

GJTDUB

Grand Junction Regnl

Wed 10/22

7:30 am-8:15 am

3 stops17h 45m

Dublin

Wed 11/5

9:00 am-8:27 pm

2 stops42h 27m

$515

Grand JunctionDublin

GJT - DUB

GJTDUB

Grand Junction Regnl

Wed 10/22

5:46 am-9:45 am

1 stop20h 59m

Dublin

Wed 11/5

11:30 am-9:20 pm

2 stops16h 50m

$537

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Tue 7/29

5:22 pm-11:40 am

1 stop11h 18m

Dublin

Wed 8/6

9:30 am-9:55 pm

1 stop19h 25m

$588

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Wed 7/23

9:40 am-7:45 am

1 stop15h 05m

Dublin

Wed 7/30

9:20 am-4:40 pm

1 stop14h 20m

$607

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Wed 7/23

6:03 am-7:45 am

2 stops18h 42m

Dublin

Wed 7/30

9:20 am-4:40 pm

1 stop14h 20m

$611

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Tue 5/13

1:23 pm-9:00 am

1 stop12h 37m

Dublin

Wed 5/28

10:40 am-9:30 pm

1 stop17h 50m

$627

Colorado SpringsDublin

COS - DUB

COSDUB

Colorado Springs

Fri 7/25

5:20 pm-7:45 am

2 stops55h 25m

Dublin

Fri 8/8

9:50 am-12:16 pm

2 stops33h 26m

$627

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Wed 7/23

7:55 pm-11:40 am

Nonstop8h 45m

Dublin

Wed 7/30

3:25 pm-5:59 pm

Nonstop9h 34m

$628

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Sun 7/20

6:35 pm-2:15 pm

1 stop12h 40m

Dublin

Sat 8/9

1:45 pm-10:27 pm

1 stop15h 42m

$633

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 38 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 $981). 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 May 1, 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 May 1, 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
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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 $331 on Icelandair. Other airlines that offer cheap prices include WestJet from $337 and JetBlue from $363 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 $426. On average you can expect to pay $2,673. The most popular route, (Denver Intl - Dublin), can usually be booked for $498.

  • 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 $981). 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$344Average$498FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$416Average$554FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$435Average$554FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$445Average$565FlexibilityNo cancel feeOn-time67%
DeltaCheapest$455Average$594FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$459Average$609FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$469Average$717FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$475Average$649FlexibilityNo cancel feeOn-time76%
IberiaCheapest$483Average$621FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$504Average$712FlexibilityNo cancel feeOn-timeN/A

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