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Cheap flights from Ireland to Colorado from £311

DUB — DEN
24 Nov — 1 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Colorado

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Colorado

Sun 22/1107:35 -
1 stop14h 35m
Mon 30/1117:01 -
1 stop13h 34m
Deal found 20/10£486
Thu 10/1211:30 -
1 stop13h 30m
Sun 10/115:40 -
1 stop11h 35m
Deal found 24/10£497
Mon 23/1111:30 -
1 stop13h 30m
Sat 28/1115:40 -
1 stop11h 35m
Deal found 23/10£498
Thu 12/1108:45 -
1 stop13h 25m
Tue 1/1217:01 -
1 stop13h 34m
Deal found 20/10£501
Thu 12/1105:10 -
1 stop15h 30m
Fri 20/1116:48 -
1 stop32h 22m
Deal found 23/10£506
Mon 7/1208:45 -
1 stop13h 25m
Mon 14/1217:01 -
1 stop13h 34m
Deal found 23/10£508
Thu 12/1109:00 -
2 stops30h 54m
Tue 1/1219:20 -
2 stops28h 50m
Deal found 21/10£510
Wed 25/1109:10 -
1 stop13h 25m
Thu 3/1211:15 -
1 stop13h 55m
Deal found 21/10£515
Thu 12/1105:45 -
2 stops18h 25m
Thu 26/1108:05 -
2 stops17h 55m
Deal found 21/10£516
Thu 12/1109:00 -
1 stop16h 04m
Thu 26/1109:49 -
1 stop17h 06m
Deal found 20/10£517
Fri 6/1108:50 -
2 stops18h 16m
Tue 10/1106:00 -
1 stop18h 45m
Deal found 21/10£518

Find flight deals from Ireland to Colorado

Round-trip from

£486

One-way from

£311

Popular in

July

Cheapest in

April

Average price

£595
British Airways
  • British Airways
  • 22/11-30/11
  • 2 total stops
  • 28h 09m total
  • Ireland to Colorado
Search Deals
Delta
  • Delta
  • 27/2-31/12
  • 2 total stops
  • 17h 11m total
  • Ireland 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 (£11 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 Ireland 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

Mon 8/2

05:45-20:00

2 stops21h 15m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£315

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Sat 27/2

09:55-16:42

1 stop13h 47m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£318

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Fri 15/1

08:50-20:34

2 stops18h 44m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£327

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Sat 12/12

05:45-20:35

2 stops21h 50m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£327

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Mon 14/12

09:55-20:19

1 stop17h 24m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£337

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Sun 13/12

09:40-20:20

1 stop17h 40m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£337

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Fri 19/3

05:45-20:34

2 stops20h 49m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£341

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Wed 16/12

10:45-20:35

1 stop16h 50m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£352

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Tue 15/12

05:45-17:14

2 stops18h 29m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£356

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Sun 10/1

05:45-15:09

2 stops16h 24m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£356

Flights are sorted by cheapest return flights first.

Deals found on 21/10

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Ireland to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Ireland with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Ireland to Colorado

What is the cheapest month to book a flight from Ireland to Colorado?

Currently, April is the cheapest month in which you can book a flight from Ireland to Colorado (average of £386). Flying from Ireland to Colorado in July is currently the most expensive (average of £720). 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 far ahead should I book a flight from Ireland to Colorado?

The best time to book flights from Ireland to Colorado is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Colorado

Read through reviews of airlines operating flights from Ireland to Colorado, such as Aer Lingus,Icelandair, andBritish Airways. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,854 reviews
Check prices

Boarding

7.5

Entertainment

7.0

Comfort

7.2

Crew

8.1

Overall

7.3

Food

6.7

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
1,854 reviews
Aer Lingus
7.3
Good
1,854 reviews
Check prices

Boarding

7.5

Entertainment

7.0

Comfort

7.2

Crew

8.1

Overall

7.3

Food

6.7

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
7.0
Good
764 reviews
Aer Lingus
7.3
Good
1,854 reviews
Check prices

Boarding

7.5

Entertainment

7.0

Comfort

7.2

Crew

8.1

Overall

7.3

Food

6.7

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
8,270 reviews
Aer Lingus
7.3
Good
1,854 reviews
Check prices

Boarding

7.5

Entertainment

7.0

Comfort

7.2

Crew

8.1

Overall

7.3

Food

6.7

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

  • How popular is this Ireland to Colorado flight route?

    The Ireland to Colorado flight path was viewed by 15 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 Ireland to Colorado?

    For as low as £497, Icelandair can have you in Colorado from Ireland in 13h 30m. Airlines will cover a distance of 4378 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Ireland to Colorado that include hotel bookings?

    Yes. In addition to deals on Ireland to Colorado flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Colorado.

  • Can I find deals for business class flights from Ireland to Colorado?

    Yes. Cheapflights offers flight deals from Ireland 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 Ireland to Colorado?

    Currently, April is the cheapest month in which you can book a flight from Ireland to Colorado (average of £386). Flying from Ireland to Colorado in July is currently the most expensive (average of £720). 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 Ireland to Colorado

AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£299Average£404FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£335Average£458FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£366Average£632FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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Certainly. Search results for flights to Colorado from Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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