Find flights
When to book
Airlines
FAQs

Cheap flights from Dublin to Colorado from £365

DUB — DEN
24 Oct — 31 Oct1
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

Sun 22/1111:30 -
1 stop13h 30m
Mon 30/1115:40 -
1 stop11h 35m
Deal found 22/9£431
Mon 23/1111:30 -
1 stop13h 30m
Mon 30/1115:40 -
1 stop11h 35m
Deal found 22/9£440
Mon 23/1111:30 -
1 stop13h 30m
Tue 1/1215:40 -
1 stop11h 35m
Deal found 22/9£449
Sun 22/1111:30 -
1 stop13h 30m
Sun 29/1115:40 -
1 stop11h 35m
Deal found 22/9£452
Tue 24/1111:30 -
1 stop13h 30m
Sun 29/1115:40 -
1 stop11h 35m
Deal found 22/9£463
Fri 20/1111:30 -
1 stop13h 30m
Sat 28/1115:40 -
1 stop11h 35m
Deal found 24/9£466
Sat 21/1111:30 -
1 stop13h 30m
Sat 28/1115:40 -
1 stop11h 35m
Deal found 24/9£467
Sat 21/1111:30 -
1 stop13h 30m
Sun 29/1115:40 -
1 stop11h 35m
Deal found 23/9£468
Thu 12/1105:45 -
2 stops18h 25m
Thu 26/1108:05 -
2 stops17h 55m
Deal found 23/9£470
Thu 5/1105:45 -
2 stops21h 28m
Thu 12/1111:08 -
2 stops14h 52m
Deal found 22/9£471

Find flight deals from Dublin to Colorado

Round-trip from

£431

One-way from

£365

Popular in

July

Cheapest in

February

Average price

£574
Icelandair
  • Icelandair
  • 22/11-30/11
  • 2 total stops
  • 25h 05m total
  • Dublin to Colorado
Search Deals
31/10-31/12
  • 31/10-31/12
  • 3 total stops
  • 50h 03m total
  • Dublin to Colorado
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£104 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 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 27/11

05:45-19:04

2 stops20h 19m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£429

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Mon 23/11

11:30-18:00

1 stop13h 30m

Denver Intl

Tue 1/12

15:40-10:15

1 stop11h 35m

£468

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Sat 21/11

11:30-18:00

1 stop13h 30m

Denver Intl

Sun 29/11

15:40-10:15

1 stop11h 35m

£468

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Fri 12/3

13:25-00:23

2 stops17h 58m

Denver Intl

Mon 15/3

11:40-09:45

1 stop16h 05m

£472

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Sat 21/11

15:10-15:10

1 stop31h 00m

Denver Intl

Mon 30/11

15:10-17:05

2 stops18h 55m

£472

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Tue 3/11

05:45-17:32

2 stops18h 47m

Denver Intl

Tue 10/11

06:00-08:45

2 stops19h 45m

£473

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Fri 6/11

05:45-20:06

2 stops21h 21m

Denver Intl

Fri 13/11

13:06-07:45

1 stop11h 39m

£473

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Fri 12/3

08:50-15:10

1 stop13h 20m

Denver Intl

Mon 15/3

18:01-17:05

1 stop17h 04m

£475

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Fri 12/3

13:25-00:23

2 stops17h 58m

Denver Intl

Mon 15/3

11:40-09:45

1 stop16h 05m

£476

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Sat 31/10

11:00-16:10

1 stop35h 10m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£492

Flights are sorted by cheapest return flights first.

Deals found on 21/9

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

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 £726). 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 £357 and £565 in November.
The cheapest return price found within the last 5 days was £431 on Icelandair (22 Nov–30 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 87 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
1,788 reviews
Check prices

Boarding

7.4

Overall

7.3

Entertainment

7.0

Food

6.7

Comfort

7.2

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
1,788 reviews
Aer Lingus
7.3
Good
1,788 reviews
Check prices

Boarding

7.4

Overall

7.3

Entertainment

7.0

Food

6.7

Comfort

7.2

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
751 reviews
Aer Lingus
7.3
Good
1,788 reviews
Check prices

Boarding

7.4

Overall

7.3

Entertainment

7.0

Food

6.7

Comfort

7.2

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
8,227 reviews
Aer Lingus
7.3
Good
1,788 reviews
Check prices

Boarding

7.4

Overall

7.3

Entertainment

7.0

Food

6.7

Comfort

7.2

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 19 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 and Delta can get you from Dublin to Colorado in just under 13h 30m. Your travel time can differ by up to 5h 17m. 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 (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 £726). 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£369Average£607FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.