Cheap flights from Dublin to Colorado from £381

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — DEN
14 dez — 21 dez1
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 14 novembro 2025.

Round-trip from

£473

One-way from

£381

Popular in

June

Cheapest in

September

Average price

£525
Icelandair
  • Icelandair
  • 25/11-5/12
  • 2 total stops
  • 25h 10m total
  • Dublin to Colorado
WestJet
  • WestJet
  • 13/5
  • 2 total stops
  • 55h 05m total
  • Dublin to Colorado
Highest demand for flights based on searches. 14% potential increase in price (£79 potential increase over avg. return price).
Cheapest flight prices on average. 2% 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 14 novembro 2025.

ter 25/1111:30DUB - DEN
1 stop13h 35mIcelandair
sex 5/1215:40DEN - DUB
1 stop11h 35mIcelandair
Deal found 12/11£473
qua 19/1111:30DUB - DEN
1 stop13h 35mIcelandair
ter 2/1215:40DEN - DUB
1 stop11h 35mIcelandair
Deal found 12/11£556
qui 27/1105:00DUB - DEN
1 stop15h 40mLufthansa
sáb 6/1211:15DEN - DUB
1 stop16h 05mLufthansa
Deal found 12/11£571
qua 19/1109:00DUB - DEN
1 stop14h 40mUnited Airlines
ter 25/1112:45DEN - DUB
1 stop11h 45mUnited Airlines
Deal found 11/11£583
qua 19/1109:00DUB - DEN
1 stop14h 40mMultiple Airlines
ter 2/1211:15DEN - DUB
2 stops16h 45mMultiple Airlines
Deal found 12/11£584
sex 21/1109:00DUB - DEN
2 stops16h 07mUnited Airlines
sáb 29/1113:45DEN - DUB
1 stop13h 10mUnited Airlines
Deal found 13/11£587
qui 27/1112:05DUB - DEN
1 stop14h 24mUnited Airlines
qua 3/1216:05DEN - DUB
1 stop11h 15mUnited Airlines
Deal found 12/11£590
ter 25/1109:30DUB - DEN
2 stops15h 15mUnited Airlines
sex 5/1216:05DEN - DUB
1 stop11h 15mUnited Airlines
Deal found 12/11£591
qua 19/1111:30DUB - DEN
1 stop13h 35mIcelandair
seg 1/1215:40DEN - DUB
1 stop11h 35mIcelandair
Deal found 13/11£599
qui 27/1105:55DUB - DEN
2 stops16h 59mDelta
sex 5/1207:10DEN - DUB
2 stops17h 40mDelta
Deal found 12/11£603
qua 24/1211:30DUB - DEN
2 stops15h 13mMultiple Airlines
qui 1/108:21DEN - DUB
1 stop15h 49mMultiple Airlines
Deal found 12/11£604

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 14 novembro 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

sáb 10/1

11:30-18:05

1 stop13h 35m

Denver Intl

ter 31/3

16:40-11:05

1 stop11h 25m

£526

DublinDenver

DUB - DEN

DUBDEN

Dublin

qua 6/5

10:40-21:39

1 stop17h 59m

Denver Intl

dom 10/5

09:18-08:20

1 stop16h 02m

£557

DublinDenver

DUB - DEN

DUBDEN

Dublin

ter 12/5

11:45-23:01

1 stop18h 16m

Denver Intl

qua 27/5

11:05-09:00

1 stop14h 55m

£563

DublinDenver

DUB - DEN

DUBDEN

Dublin

qui 27/11

05:00-16:00

1 stop18h 00m

Denver Intl

dom 7/12

16:05-10:20

1 stop11h 15m

£571

DublinDenver

DUB - DEN

DUBDEN

Dublin

sex 28/11

09:00-16:40

1 stop14h 40m

Denver Intl

ter 9/12

13:50-09:55

1 stop13h 05m

£583

DublinDenver

DUB - DEN

DUBDEN

Dublin

seg 1/12

12:05-16:37

1 stop35h 32m

Denver Intl

seg 8/12

13:50-10:20

1 stop13h 30m

£591

DublinDenver

DUB - DEN

DUBDEN

Dublin

ter 25/11

09:30-17:45

2 stops15h 15m

Denver Intl

seg 8/12

16:05-10:20

1 stop11h 15m

£591

DublinDenver

DUB - DEN

DUBDEN

Dublin

ter 25/11

09:30-17:45

2 stops15h 15m

Denver Intl

qua 3/12

16:05-10:20

1 stop11h 15m

£591

DublinDenver

DUB - DEN

DUBDEN

Dublin

qua 24/12

11:30-19:43

2 stops15h 13m

Denver Intl

qui 1/1

08:21-07:10

1 stop15h 49m

£606

DublinDenver

DUB - DEN

DUBDEN

Dublin

qui 8/1

09:30-16:29

1 stop13h 59m

Denver Intl

qua 21/1

11:15-07:30

2 stops13h 15m

£613

Flights are sorted by cheapest return flights first.

Deals found on 14/11

Showing 1-10 of 13 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 £328). Flying from Dublin to Colorado in June is currently the most expensive (average of £547). 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 14 novembro 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 14 novembro 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.

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

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

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

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

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

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

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

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

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

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 and JetBlue can get you from Dublin to Colorado in just under 13h 35m. Your travel time can differ by up to 4h 24m. The distance from Dublin to Colorado is about 4378 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 £328). Flying from Dublin to Colorado in June is currently the most expensive (average of £547). 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 14 novembro 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£325Average£515FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£425Average£661FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IcelandairCheapest£447Average£596FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
United AirlinesCheapest£542Average£663FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Dublin to Colorado flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights simply makes it quick and affordable to book flights from Dublin to Colorado by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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.

Can Cheapflights notify me if prices for flights from Dublin to Colorado become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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