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Cheap flights from Dublin to Colorado from £284

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — DEN
21 May — 28 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 21 April 2026.

Fri 5/612:15
DUB
-
DEN
1 stop31h 25m
Icelandair
Tue 9/616:40
DEN
-
DUB
1 stop11h 25m
Icelandair
Deal found 17/4£389
Wed 27/519:45
DUB
-
DEN
1 stop27h 35m
British Airways
Mon 29/618:35
DEN
-
DUB
1 stop17h 05m
British Airways
Deal found 20/4£394
Mon 18/510:30
DUB
-
DEN
1 stop12h 50m
British Airways
Wed 27/512:27
DEN
-
DUB
2 stops17h 28m
British Airways
Deal found 17/4£394
Wed 20/520:30
DUB
-
DEN
1 stop26h 50m
British Airways
Fri 29/514:21
DEN
-
DUB
2 stops20h 29m
British Airways
Deal found 16/4£395
Tue 23/612:40
DUB
-
DEN
1 stop13h 56m
Multiple Airlines
Tue 30/618:35
DEN
-
DUB
1 stop17h 15m
Multiple Airlines
Deal found 20/4£397
Tue 26/508:35
DUB
-
DEN
2 stops18h 01m
British Airways
Sun 28/618:35
DEN
-
DUB
1 stop14h 45m
British Airways
Deal found 20/4£398
Wed 20/508:35
DUB
-
DEN
2 stops22h 14m
British Airways
Mon 25/512:27
DEN
-
DUB
2 stops19h 03m
British Airways
Deal found 16/4£399
Mon 18/509:30
DUB
-
DEN
1 stop20h 15m
Finnair
Wed 27/514:21
DEN
-
DUB
1 stop14h 29m
Finnair
Deal found 16/4£399
Tue 19/509:40
DUB
-
DEN
2 stops20h 05m
Finnair
Tue 26/514:21
DEN
-
DUB
1 stop14h 29m
Finnair
Deal found 16/4£402
Mon 4/515:25
DUB
-
DEN
Nonstop9h 50m
Aer Lingus
Mon 11/520:00
DEN
-
DUB
Nonstop8h 45m
Aer Lingus
Deal found 17/4£405
Thu 4/609:30
DUB
-
DEN
1 stop14h 24m
Multiple Airlines
Thu 11/606:38
DEN
-
DUB
1 stop19h 57m
Multiple Airlines
Deal found 20/4£407
Mon 25/508:30
DUB
-
DEN
2 stops22h 25m
British Airways
Tue 9/615:11
DEN
-
DUB
2 stops17h 54m
British Airways
Deal found 19/4£419

Find flight deals from Dublin to Colorado

Keep the following information in mind while searching for Dublin to Colorado flight deals. Data was last updated 21 April 2026.

Round-trip from

£389

One-way from

£284

Popular in

August

Cheapest in

September

Average price

£530
Icelandair
  • Icelandair
  • 5/6-9/6
  • 2 total stops
  • 42h 50m total
  • Dublin to Colorado
Search Deals
JetBlue
  • JetBlue
  • 11/5
  • 1 total stop
  • 18h 33m total
  • Dublin to Colorado
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£35 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 21 April 2026.
Use the filters below to find and compare flights from Dublin to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinDenver

DUB - DEN

DUBDEN

Dublin

Mon 18/5

10:30-16:20

1 stop12h 50m

Denver Intl

Wed 27/5

12:27-12:55

2 stops17h 28m

£394

DublinDenver

DUB - DEN

DUBDEN

Dublin

Mon 18/5

09:30-22:45

1 stop20h 15m

Denver Intl

Wed 27/5

14:21-11:50

1 stop14h 29m

£398

DublinDenver

DUB - DEN

DUBDEN

Dublin

Mon 18/5

11:10-20:15

2 stops16h 05m

Denver Intl

Wed 27/5

12:35-09:15

1 stop13h 40m

£476

DublinDenver

DUB - DEN

DUBDEN

Dublin

Mon 18/5

11:10-20:15

2 stops16h 05m

Denver Intl

Wed 27/5

09:06-09:15

2 stops17h 09m

£476
Fastest return journey

DublinDenver

DUB - DEN

DUBDEN

Dublin

Mon 1/6

15:25-23:59

1 stop15h 34m

Denver Intl

Mon 15/6

20:00-11:45

Nonstop8h 45m

£478

DublinDenver

DUB - DEN

DUBDEN

Dublin

Tue 23/6

09:30-00:06

1 stop21h 36m

Denver Intl

Wed 8/7

18:35-14:35

1 stop13h 00m

£528
Cheapest one-way

DublinDenver

DUB - DEN

DUBDEN

Dublin

Fri 15/5

11:30-22:59

1 stop18h 29m

£284

DublinDenver

DUB - DEN

DUBDEN

Dublin

Mon 11/5

10:40-22:13

1 stop18h 33m

£284

DublinDenver

DUB - DEN

DUBDEN

Dublin

Thu 14/5

11:30-22:59

1 stop18h 29m

£284

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sat 16/5

11:30-22:59

1 stop18h 29m

£345

Flights are sorted by cheapest return flights first.

Deals found on 19/4

Showing 1-10 of 16 resultsSorted by cheapest first
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, May is the cheapest month in which you can book a flight from Dublin to Colorado (average of £286). Flying from Dublin to Colorado in July is currently the most expensive (average of £514). 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.

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 21 April 2026.
See what other customers who have flown with United Airlines,Aer Lingus, andAmerican Airlines 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.
United Airlines
7.4
Good
9,611 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,611 reviews
United Airlines
7.4
Good
9,611 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Aer Lingus
7.3
Good
1,519 reviews
United Airlines
7.4
Good
9,611 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,639 reviews
United Airlines
7.4
Good
9,611 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Icelandair
7.0
Good
637 reviews
United Airlines
7.4
Good
9,611 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
British Airways
6.7
Okay
7,896 reviews
United Airlines
7.4
Good
9,611 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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?

    This flight path from Dublin to Colorado was viewed by 53 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Dublin to Colorado?

    British Airways and Finnair can get you from Dublin to Colorado in just under 12h 50m. Your travel time can differ by up to 7h 25m. 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.

  • 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, May is the cheapest month in which you can book a flight from Dublin to Colorado (average of £286). Flying from Dublin to Colorado in July is currently the most expensive (average of £514). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Dublin to Colorado

Discover the top 5 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 21 April 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£299Average£400FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£333Average£557FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
American AirlinesCheapest£361Average£461FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Aer LingusCheapest£389Average£638FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest£478Average£725FlexibilityNo 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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