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$250+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — DUB
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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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 October 14, 2025.

This KLM deal was found by Cheapflights users on 10/14. 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 10/201:16 pmCOS - DUB
1 stop12h 29mKLM
Wed 11/59:45 amDUB - COS
1 stop17h 45mKLM
Deal found 10/14$424
This Delta deal was found by Cheapflights users on 10/14. 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.
Mon 10/206:00 amCOS - DUB
2 stops20h 15mDelta
Wed 11/510:45 amDUB - COS
2 stops32h 26mDelta
Deal found 10/14$438
This Mytrip deal was found by Cheapflights users on 10/13. 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.
Mon 11/35:45 pmDEN - DUB
1 stop15h 40mMultiple Airlines
Fri 11/149:00 amDUB - DEN
2 stops17h 55mMultiple Airlines
Deal found 10/13$465
This United deal was found by Cheapflights users on 10/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:00 amDEN - DUB
1 stop18h 30mMultiple Airlines
Wed 11/265:10 amDUB - DEN
1 stop17h 50mMultiple Airlines
Deal found 10/13$467
This KAYAK deal was found by Cheapflights users on 10/13. 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.
Tue 11/44:20 pmDEN - DUB
1 stop17h 50mLufthansa
Wed 11/199:10 amDUB - DEN
1 stop13h 50mLufthansa
Deal found 10/13$469
This Air Canada deal was found by Cheapflights users on 10/13. 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.
Mon 11/1011:15 amDEN - DUB
2 stops36h 55mAir Canada
Wed 11/199:00 amDUB - DEN
1 stop14h 40mAir Canada
Deal found 10/13$470
This CheapOair deal was found by Cheapflights users on 10/13. 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.
Mon 12/811:15 amDEN - DUB
2 stops36h 55mMultiple Airlines
Mon 1/125:55 pmDUB - DEN
1 stop27h 40mMultiple Airlines
Deal found 10/13$472
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/1811:15 amDEN - DUB
2 stops15h 40mUnited Airlines
Wed 11/269:00 amDUB - DEN
1 stop16h 05mUnited Airlines
Deal found 10/12$473
This American Airlines deal was found by Cheapflights users on 10/12. 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.
Fri 12/55:25 pmDEN - DUB
1 stop16h 10mAmerican Airlines
Tue 12/911:30 amDUB - DEN
2 stops16h 04mAmerican Airlines
Deal found 10/12$474
This Air Canada deal was found by Cheapflights users on 10/13. 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.
Sat 11/81:25 pmDEN - DUB
2 stops34h 45mAir Canada
Wed 11/199:00 amDUB - DEN
1 stop32h 23mAir Canada
Deal found 10/13$475
This Air Canada deal was found by Cheapflights users on 10/14. 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 10/227:52 amDEN - DUB
2 stops17h 23mMultiple Airlines
Wed 11/55:10 amDUB - DEN
2 stops18h 30mMultiple Airlines
Deal found 10/14$476
This American Airlines deal was found by Cheapflights users on 10/12. 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.
Sun 11/165:25 pmDEN - DUB
1 stop17h 20mAmerican Airlines
Sun 11/237:35 amDUB - DEN
2 stops16h 28mAmerican Airlines
Deal found 10/12$477

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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$465
(Mytrip)

One-way from

$250
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$558

Good round-trip deal

$631 or less

Good one-way deal

$460 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 ($197 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 14, 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 11/19

6:00 am-7:30 am

1 stop18h 30m

Dublin

Wed 11/26

5:10 am-4:00 pm

1 stop17h 50m

$467

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Wed 11/19

6:00 am-7:30 am

1 stop18h 30m

Dublin

Thu 11/27

5:00 am-1:40 pm

1 stop15h 40m

$467

Grand JunctionDublin

GJT - DUB

GJTDUB

Grand Junction Regnl

Tue 11/4

4:55 pm-5:45 pm

2 stops17h 50m

Dublin

Tue 11/18

7:35 am-8:47 pm

2 stops20h 12m

$482

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Wed 11/12

7:46 am-7:30 am

2 stops16h 44m

Dublin

Wed 11/19

9:00 am-7:32 pm

2 stops17h 32m

$483

Grand JunctionDublin

GJT - DUB

GJTDUB

Grand Junction Regnl

Tue 1/20

7:00 am-8:10 am

2 stops18h 10m

Dublin

Sun 2/8

9:00 am-8:38 pm

2 stops42h 38m

$485

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Mon 10/27

3:20 pm-8:10 am

1 stop10h 50m

Dublin

Wed 11/5

12:05 pm-11:15 pm

2 stops18h 10m

$488

Grand JunctionDublin

GJT - DUB

GJTDUB

Grand Junction Regnl

Tue 1/20

7:00 am-7:10 am

3 stops17h 10m

Dublin

Sun 2/8

9:00 am-12:40 pm

2 stops34h 40m

$491

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Thu 12/4

9:00 am-7:10 am

1 stop15h 10m

Dublin

Wed 12/24

1:00 pm-11:44 am

2 stops29h 44m

$498

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Wed 11/19

7:05 am-7:45 am

1 stop17h 40m

Dublin

Wed 11/26

11:30 am-8:43 pm

2 stops16h 13m

$499

DenverDublin

DEN - DUB

DENDUB

Denver Intl

Tue 11/18

11:39 am-8:45 am

2 stops14h 06m

Dublin

Tue 11/25

9:45 am-11:14 pm

1 stop20h 29m

$499

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 30 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, January is the cheapest month in which you can book a flight from Colorado to Dublin (average of $342). Flying from Colorado to Dublin in June is currently the most expensive (average of $678). 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 October 14, 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 $483, American Airlines can have you in Dublin from Colorado in 16h 44m. 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 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 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 (86%), Aer Lingus (86%), Iberia (86%).

  • What are the cheapest flights from Colorado to Dublin?

    The cheapest flight price from Colorado to Dublin is $390. On average you can expect to pay $661. The most popular route, (Denver Intl - Dublin), can usually be booked for $348.

  • 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 $342). Flying from Colorado to Dublin in June is currently the most expensive (average of $678). 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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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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$131Average$656FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$347Average$501FlexibilityNo cancel feeOn-time76%
KLMCheapest$362Average$577FlexibilityNo cancel feeOn-time75%
DeltaCheapest$363Average$583FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$372Average$568FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$388Average$577FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$396Average$702FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$405Average$554FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$464Average$613FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$464Average$571FlexibilityNo cancel feeOn-time70%

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