Cheap flights from Dublin to Colorado from £393

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — DEN
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to Colorado

Keep the following information in mind while searching for Dublin to Colorado flight deals. Data was last updated 7 November 2025.

Round-trip from

£453

One-way from

£393

Popular in

June

Cheapest in

October

Average price

£528
Icelandair
  • Icelandair
  • 19/11-2/12
  • 2 total stops
  • 25h 10m total
  • Dublin to Colorado
Aer Lingus
  • Aer Lingus
  • 2/5
  • 1 total stop
  • 17h 05m total
  • Dublin to Colorado
Highest demand for flights based on searches. 13% potential increase in price (£73 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Average for round-trip flights in November 2025

Find flight deals from Dublin to Colorado

Enter your travel dates to find the best prices.

Cheapest flights from Dublin to Colorado
Explore the most affordable flight options available from Dublin to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2025.

Wed 19/1111:30DUB - DEN
1 stop13h 35mIcelandair
Tue 2/1215:40DEN - DUB
1 stop11h 35mIcelandair
Deal found 6/11£453
Mon 17/1111:30DUB - DEN
1 stop13h 35mIcelandair
Tue 16/1215:40DEN - DUB
1 stop11h 35mIcelandair
Deal found 5/11£473
Mon 17/1111:30DUB - DEN
1 stop13h 35mIcelandair
Thu 27/1115:40DEN - DUB
1 stop11h 35mIcelandair
Deal found 7/11£474
Mon 17/1111:30DUB - DEN
1 stop13h 35mIcelandair
Mon 15/1215:40DEN - DUB
1 stop11h 35mIcelandair
Deal found 5/11£508
Sat 22/1111:30DUB - DEN
1 stop13h 35mIcelandair
Tue 16/1215:40DEN - DUB
1 stop11h 35mIcelandair
Deal found 5/11£519
Mon 17/1111:30DUB - DEN
1 stop13h 35mIcelandair
Thu 11/1215:40DEN - DUB
1 stop11h 35mIcelandair
Deal found 5/11£532
Sat 22/1111:30DUB - DEN
1 stop13h 35mIcelandair
Thu 27/1115:40DEN - DUB
1 stop11h 35mIcelandair
Deal found 7/11£551
Sat 22/1111:30DUB - DEN
1 stop13h 35mIcelandair
Mon 15/1215:40DEN - DUB
1 stop11h 35mIcelandair
Deal found 5/11£554
Sat 22/1111:30DUB - DEN
1 stop13h 35mIcelandair
Fri 12/1215:40DEN - DUB
1 stop11h 35mIcelandair
Deal found 5/11£565
Thu 20/1105:00DUB - DEN
1 stop18h 00mLufthansa
Sun 14/1216:05DEN - DUB
1 stop11h 15mLufthansa
Deal found 5/11£570

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dublin to Colorado 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 858,174 searches. Data last updated 7 November 2025.
Use the filters below to find and compare flights from Dublin to Colorado that are best for you.

Fly from

Dublin

Fly to

Colorado

Route

Depart

Return

Price

DublinDenver

DUB - DEN

DUBDEN

Dublin

Wed 19/11

11:30-18:05

1 stop13h 35m

Denver Intl

Tue 2/12

15:40-10:15

1 stop11h 35m

£453

DublinDenver

DUB - DEN

DUBDEN

Dublin

Wed 19/11

11:30-18:05

1 stop13h 35m

Denver Intl

Wed 10/12

15:40-10:15

1 stop11h 35m

£473

DublinDenver

DUB - DEN

DUBDEN

Dublin

Tue 18/11

11:30-18:05

1 stop13h 35m

Denver Intl

Sat 13/12

15:40-10:15

1 stop11h 35m

£473

DublinDenver

DUB - DEN

DUBDEN

Dublin

Mon 17/11

11:30-18:05

1 stop13h 35m

Denver Intl

Sat 13/12

15:40-10:15

1 stop11h 35m

£473

DublinDenver

DUB - DEN

DUBDEN

Dublin

Mon 17/11

11:30-18:05

1 stop13h 35m

Denver Intl

Thu 27/11

15:40-10:15

1 stop11h 35m

£474

DublinDenver

DUB - DEN

DUBDEN

Dublin

Tue 18/11

11:30-18:05

1 stop13h 35m

Denver Intl

Mon 24/11

15:40-10:15

1 stop11h 35m

£474

DublinDenver

DUB - DEN

DUBDEN

Dublin

Fri 9/1

12:30-22:48

2 stops41h 18m

Denver Intl

Thu 15/1

06:41-11:45

2 stops22h 04m

£477

DublinDenver

DUB - DEN

DUBDEN

Dublin

Wed 19/11

11:30-18:05

1 stop13h 35m

Denver Intl

Mon 15/12

15:40-10:15

1 stop11h 35m

£508

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sat 10/1

11:30-18:05

1 stop13h 35m

Denver Intl

Tue 31/3

16:40-11:05

1 stop11h 25m

£525

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sat 2/5

06:30-16:35

1 stop17h 05m

£393

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 19 results
1
2

Best time to book a flight from Dublin to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Dublin with our price prediction graph.
Estimated return 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 Dublin to Colorado

What is the cheapest month to book a flight from Dublin to Colorado?

Currently, April is the cheapest month in which you can book a flight from Dublin to Colorado (average of £330). Flying from Dublin to Colorado in June is currently the most expensive (average of £551). 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 DUB to CO?

Find hourly flight availability from Dublin to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 November 2025.

It’s typically best to fly out from Dublin to Colorado in the afternoon. Doing so could potentially save you 19% on the flight price compared to flying in the evening, which is usually more expensive.

How much does it cost for a return flight from Dublin to Colorado?

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated 7 November 2025.
See what other customers who have flown with United Airlines, Aer Lingus, andIcelandair from Dublin to Colorado have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Dublin to Colorado. 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 from for flights from Dublin to Colorado?

    For a flight from Dublin to Colorado, you will be flying from Dublin. Dublin (DUB) is just 5.7 mi from the center of the city.

  • How popular is this Dublin to Colorado flight route?

  • How long is the flight from Dublin to Colorado?

    Icelandair can get you from Dublin to Colorado in just under 13h 35m. Your travel time can differ by up to . The distance from Dublin to Colorado is about 4378 mi.

  • What are the cheapest airlines to fly from Dublin to Colorado one-way?

    The cheapet airlines for a one-way flight from Dublin to Colorado are Aer Lingus (£393), Turkish Airlines (£561), and British Airways (£762).

  • What are the most reliable airlines from Dublin to Colorado?

    No one likes to see their flight delayed. When booking a flight from Dublin to Colorado consider choosing American Airlines (68%), Aer Lingus (68%) or Iberia (68%) as they are the most reliable in getting you off to your destination on time.

  • Can I find deals for flights from Dublin to Colorado that include hotel bookings?

    Yes. In addition to deals on Dublin to Colorado flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dublin to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Colorado.

  • Can I find deals for business class flights from Dublin to Colorado?

    Yes. Cheapflights offers flight deals from Dublin to Colorado 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 Dublin to Colorado?

    Currently, April is the cheapest month in which you can book a flight from Dublin to Colorado (average of £330). Flying from Dublin to Colorado in June is currently the most expensive (average of £551). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Dublin to Colorado

Discover the top 4 airlines that operate flights from Dublin to Colorado. 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 858,174 searches. Data last updated 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£326Average£518FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£427Average£664FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IcelandairCheapest£449Average£599FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
United AirlinesCheapest£544Average£666FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Dublin to Colorado?

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Why should you use Cheapflights to find cheap flight tickets from Dublin to Colorado?

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Can Cheapflights find flights from Dublin to Colorado with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Dublin to Colorado flexibly with Cheapflights today.

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