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Cheap flights from Dublin to Colorado from £360

DUB — DEN
6 Oct — 13 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

Sat 21/1108:50 -
1 stop13h 20m
Sat 28/1117:01 -
1 stop12h 44m
Deal found 2/9£449
Mon 9/1108:45 -
1 stop13h 25m
Mon 23/1117:01 -
1 stop12h 34m
Deal found 1/9£450
Tue 3/1112:55 -
1 stop13h 58m
Sun 8/1117:01 -
1 stop14h 54m
Deal found 3/9£470
Mon 9/1108:45 -
1 stop13h 25m
Mon 23/1117:01 -
1 stop19h 44m
Deal found 4/9£470
Wed 4/1118:05 -
2 stops32h 48m
Sun 8/1117:01 -
1 stop19h 44m
Deal found 3/9£475
Mon 16/1108:45 -
2 stops22h 41m
Mon 30/1117:01 -
1 stop12h 34m
Deal found 4/9£476
Wed 11/1112:55 -
1 stop16h 25m
Wed 25/1110:37 -
1 stop13h 33m
Deal found 1/9£484

Find flight deals from Dublin to Colorado

Round-trip from

£449

One-way from

£360

Popular in

July

Cheapest in

February

Average price

£558
British Airways
  • British Airways
  • 21/11-28/11
  • 2 total stops
  • 26h 04m total
  • Dublin to Colorado
Search Deals
1/12-31/12
  • 1/12-31/12
  • 1 total stop
  • 13h 20m total
  • Dublin to Colorado
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£97 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

Tue 1/12

08:50-15:10

1 stop13h 20m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£360

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Tue 1/12

18:00-15:10

1 stop28h 10m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£366

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Sun 1/11

07:35-16:10

1 stop14h 35m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£367

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Mon 30/11

20:40-15:10

1 stop25h 30m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£368

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Tue 27/10

20:40-16:10

1 stop25h 30m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£391

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 29/10

20:40-16:10

1 stop25h 30m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£391

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Sat 24/10

18:45-16:10

1 stop28h 25m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£400
Fastest return journey

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Fri 23/10

10:30-16:25

1 stop12h 55m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£401

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Sat 24/10

18:00-21:47

2 stops34h 47m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£435

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 14/1

20:40-15:10

1 stop25h 30m

Denver Intl

Mon 18/1

09:19-09:55

2 stops17h 36m

£472

Flights are sorted by cheapest return flights first.

Deals found on 4/9

Showing 1-10 of 14 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 £342). Flying from Dublin to Colorado in July is currently the most expensive (average of £713). 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 £342 and £596 in November.
The cheapest return price found within the last 5 days was £449 on British Airways (21 Nov–28 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 43 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
1,746 reviews
Check prices

Crew

8.1

Overall

7.3

Entertainment

7.0

Food

6.7

Comfort

7.2

Boarding

7.5

Reviews

1 / 20
10.0
Excellent

Patrick,Sept 2026

DUB - IAD

I had a great experience. Crew was great and very accommodating.
Aer Lingus
7.3
Good
1,746 reviews
Aer Lingus
7.3
Good
1,746 reviews
Check prices

Crew

8.1

Overall

7.3

Entertainment

7.0

Food

6.7

Comfort

7.2

Boarding

7.5

Reviews

1 / 20
10.0
Excellent

Patrick,Sept 2026

DUB - IAD

I had a great experience. Crew was great and very accommodating.
Icelandair
6.9
Okay
740 reviews
Aer Lingus
7.3
Good
1,746 reviews
Check prices

Crew

8.1

Overall

7.3

Entertainment

7.0

Food

6.7

Comfort

7.2

Boarding

7.5

Reviews

1 / 20
10.0
Excellent

Patrick,Sept 2026

DUB - IAD

I had a great experience. Crew was great and very accommodating.
British Airways
6.7
Okay
8,207 reviews
Aer Lingus
7.3
Good
1,746 reviews
Check prices

Crew

8.1

Overall

7.3

Entertainment

7.0

Food

6.7

Comfort

7.2

Boarding

7.5

Reviews

1 / 20
10.0
Excellent

Patrick,Sept 2026

DUB - IAD

I had a great experience. Crew was great and very accommodating.

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 24 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 can get you from Dublin to Colorado in just under 25h 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 (80%), Aer Lingus (80%) or Iberia (80%) 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 £342). Flying from Dublin to Colorado in July is currently the most expensive (average of £713). 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£299Average£353FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£332Average£454FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£362Average£596FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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