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Cheap flights from Dublin to Colorado from £304

DUB — DEN
4 Dec — 11 Dec1
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

Thu 12/1111:30 -
1 stop13h 30m
Wed 25/1115:40 -
1 stop11h 35m
Deal found 2/11£467
Fri 4/1211:30 -
1 stop13h 30m
Sat 12/1215:40 -
1 stop11h 35m
Deal found 4/11£471
Sat 5/1211:30 -
1 stop13h 30m
Sun 13/1215:40 -
1 stop11h 35m
Deal found 3/11£477
Fri 4/1211:30 -
1 stop13h 30m
Mon 14/1215:40 -
1 stop11h 35m
Deal found 3/11£485
Thu 3/1211:30 -
1 stop13h 30m
Sat 12/1215:40 -
1 stop11h 35m
Deal found 4/11£486
Tue 8/1211:30 -
1 stop13h 30m
Mon 14/1215:40 -
1 stop11h 35m
Deal found 3/11£490
Sat 5/1211:30 -
1 stop13h 30m
Sat 12/1215:40 -
1 stop11h 35m
Deal found 4/11£491
Sun 6/1208:45 -
1 stop13h 25m
Sun 13/1217:01 -
1 stop12h 09m
Deal found 3/11£513
Sun 6/1209:40 -
1 stop16h 01m
Sun 13/1212:36 -
2 stops27h 19m
Deal found 3/11£529
Thu 12/1109:00 -
2 stops18h 27m
Wed 25/1113:30 -
1 stop10h 40m
Deal found 2/11£532
Thu 12/1118:35 -
2 stops34h 13m
Thu 26/1111:15 -
2 stops23h 30m
Deal found 30/10£534
Thu 12/1109:00 -
2 stops18h 27m
Tue 1/1211:50 -
1 stop12h 40m
Deal found 30/10£536

Find flight deals from Dublin to Colorado

Round-trip from

£458

One-way from

£304

Popular in

July

Cheapest in

April

Average price

£610
Icelandair
  • Icelandair
  • 28/1-1/2
  • 2 total stops
  • 25h 05m total
  • Dublin to Colorado
Search Deals
10/12-31/12
  • 10/12-31/12
  • 3 total stops
  • 43h 57m total
  • Dublin to Colorado
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£80 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 15/1

05:45-21:34

2 stops22h 49m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£324

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Mon 14/12

06:30-15:53

3 stops40h 23m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£338

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Sat 12/12

17:15-09:29

2 stops47h 14m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£338

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 10/12

17:15-09:29

2 stops47h 14m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£348

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Tue 12/1

05:45-17:28

2 stops18h 43m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£354

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Mon 21/12

09:55-21:56

2 stops19h 01m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£365
Fastest return journey

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 10/12

08:50-15:10

1 stop13h 20m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£493

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Tue 15/12

08:50-15:10

1 stop13h 20m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£493

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Sat 21/11

05:45-20:25

2 stops21h 40m

Denver Intl

Sat 28/11

06:00-08:45

2 stops19h 45m

£538

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 12/11

05:45-16:02

2 stops17h 17m

Denver Intl

Tue 1/12

10:35-09:45

2 stops16h 10m

£539

Flights are sorted by cheapest return flights first.

Deals found on 1/11

Showing 1-10 of 17 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, April is the cheapest month in which you can book a flight from Dublin to Colorado (average of £385). Flying from Dublin to Colorado in July is currently the most expensive (average of £719). 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?

Airfare is below average for this route at the moment.
Dublin to Colorado flights typically cost between £482 and £751 in January.
The cheapest return price found within the last 5 days was £458 on Icelandair (28 Jan–1 Feb).

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,United Airlines, 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.
Aer Lingus
7.3
Good
1,878 reviews
Check prices

Boarding

7.5

Food

6.7

Entertainment

7.0

Crew

8.1

Comfort

7.2

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
Aer Lingus
7.3
Good
1,878 reviews
Aer Lingus
7.3
Good
1,878 reviews
Check prices

Boarding

7.5

Food

6.7

Entertainment

7.0

Crew

8.1

Comfort

7.2

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
United Airlines
7.3
Good
10,463 reviews
Aer Lingus
7.3
Good
1,878 reviews
Check prices

Boarding

7.5

Food

6.7

Entertainment

7.0

Crew

8.1

Comfort

7.2

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
Icelandair
6.9
Okay
766 reviews
Aer Lingus
7.3
Good
1,878 reviews
Check prices

Boarding

7.5

Food

6.7

Entertainment

7.0

Crew

8.1

Comfort

7.2

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
British Airways
6.7
Okay
8,283 reviews
Aer Lingus
7.3
Good
1,878 reviews
Check prices

Boarding

7.5

Food

6.7

Entertainment

7.0

Crew

8.1

Comfort

7.2

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.

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?

    Delta and United Airlines can get you from Dublin to Colorado in just under 14h 50m. Your travel time can differ by up to 6h 50m. 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 (65%), Aer Lingus (65%) or Iberia (65%) 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 £385). Flying from Dublin to Colorado in July is currently the most expensive (average of £719). 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 4 airlines flying from Dublin to Colorado

AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£298Average£411FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£334Average£457FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£366Average£631FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest£482Average£596FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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?

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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.

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