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Cheap flights from Dublin to Colorado from £369

DUB — DEN
31 Oct — 7 Nov1
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

Tue 10/1111:30 -
1 stop13h 30m
Tue 17/1115:40 -
1 stop11h 35m
Deal found 26/9£434
Thu 12/1111:30 -
1 stop13h 30m
Tue 1/1215:40 -
1 stop11h 35m
Deal found 28/9£446
Sat 21/1111:30 -
1 stop13h 30m
Sat 28/1115:40 -
1 stop11h 35m
Deal found 28/9£467
Thu 12/1112:55 -
1 stop13h 58m
Thu 26/1117:05 -
1 stop13h 55m
Deal found 26/9£472
Thu 12/1115:00 -
1 stop31h 10m
Thu 26/1117:05 -
1 stop31h 45m
Deal found 26/9£473
Thu 12/1120:40 -
1 stop25h 30m
Tue 1/1214:33 -
2 stops16h 47m
Deal found 27/9£474
Wed 23/1213:05 -
1 stop33h 05m
Sun 3/109:02 -
2 stops17h 53m
Deal found 26/9£474
Tue 10/1111:30 -
2 stops17h 27m
Tue 17/1106:41 -
1 stop17h 29m
Deal found 26/9£475
Mon 21/1208:45 -
2 stops20h 05m
Mon 4/113:10 -
2 stops19h 15m
Deal found 26/9£478

Find flight deals from Dublin to Colorado

Round-trip from

£434

One-way from

£369

Popular in

July

Cheapest in

February

Average price

£482
Icelandair
  • Icelandair
  • 10/11-17/11
  • 2 total stops
  • 25h 05m total
  • Dublin to Colorado
Search Deals
4/12-31/12
  • 4/12-31/12
  • 1 total stop
  • 25h 35m total
  • Dublin to Colorado
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£99 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
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 Dublin - DEN Denver Intl

DUBDEN

Dublin

Fri 4/12

20:35-15:10

1 stop25h 35m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£369
Fastest return journey

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Fri 8/1

10:45-20:34

1 stop16h 49m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£397

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Fri 27/11

06:00-20:29

2 stops21h 29m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£413

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 12/11

20:40-15:10

1 stop25h 30m

Denver Intl

Tue 1/12

14:33-14:20

2 stops16h 47m

£474

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Fri 12/3

08:50-15:10

1 stop13h 20m

Denver Intl

Mon 15/3

18:19-17:05

2 stops16h 46m

£477

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Fri 27/11

11:30-08:50

3 stops28h 20m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£479

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 12/11

12:55-19:53

1 stop13h 58m

Denver Intl

Thu 26/11

09:03-07:10

1 stop15h 07m

£479

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 14/1

13:05-23:19

2 stops17h 14m

Denver Intl

Mon 18/1

15:10-15:25

2 stops17h 15m

£480

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 14/1

11:30-18:00

1 stop13h 30m

Denver Intl

Mon 18/1

15:40-10:15

1 stop11h 35m

£483

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Tue 10/11

05:45-20:29

2 stops21h 44m

Denver Intl

Tue 17/11

11:08-09:00

2 stops14h 52m

£486

Flights are sorted by cheapest return flights first.

Deals found on 30/9

Showing 1-10 of 21 resultsSorted by cheapest first
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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

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, February is the cheapest month in which you can book a flight from Dublin to Colorado (average of £348). Flying from Dublin to Colorado in July is currently the most expensive (average of £727). 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?

When flying from Dublin to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Airfare is typical for this route at the moment.
Dublin to Colorado flights typically cost between £366 and £593 in November.
The cheapest return price found within the last 5 days was £434 on Icelandair (10 Nov–17 Nov).

How far ahead should I book a flight from Dublin to Colorado?

The price you pay for your flight from Dublin to Colorado may vary depending on when you book. For the best chance of a lower fare, look to book 88 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Colorado

See what other customers who have flown with Aer Lingus,Icelandair, andBritish Airways 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.
Aer Lingus
7.3
Good
1,801 reviews
Check prices

Comfort

7.2

Food

6.7

Overall

7.3

Boarding

7.4

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Michael,Sept 2026

DUB - JFK

Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight
Aer Lingus
7.3
Good
1,801 reviews
Aer Lingus
7.3
Good
1,801 reviews
Check prices

Comfort

7.2

Food

6.7

Overall

7.3

Boarding

7.4

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Michael,Sept 2026

DUB - JFK

Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight
Icelandair
6.9
Okay
757 reviews
Aer Lingus
7.3
Good
1,801 reviews
Check prices

Comfort

7.2

Food

6.7

Overall

7.3

Boarding

7.4

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Michael,Sept 2026

DUB - JFK

Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight
British Airways
6.7
Okay
8,243 reviews
Aer Lingus
7.3
Good
1,801 reviews
Check prices

Comfort

7.2

Food

6.7

Overall

7.3

Boarding

7.4

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Michael,Sept 2026

DUB - JFK

Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight

Related info for your journey

  • 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 14 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?

    Icelandair can get you from Dublin to Colorado in just under 13h 30m. Your travel time can differ by up to . The distance from Dublin to Colorado is about 4378 mi.

  • 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 (75%), Aer Lingus (75%) or Iberia (75%) 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, February is the cheapest month in which you can book a flight from Dublin to Colorado (average of £348). Flying from Dublin to Colorado in July is currently the most expensive (average of £727). 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

Top 3 airlines flying from Dublin to Colorado

AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£305Average£364FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£338Average£462FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£370Average£638FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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