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Cheap flights from Ireland to Colorado from £312

DUB — DEN
18 Nov — 25 Nov1
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

Thu 19/1112:55 -
1 stop14h 04m
Mon 30/1117:01 -
1 stop19h 44m
Deal found 16/10£435
Mon 23/1120:40 -
1 stop25h 30m
Sun 6/1217:01 -
1 stop19h 44m
Deal found 16/10£437
Mon 23/1112:55 -
1 stop14h 04m
Sun 6/1217:01 -
1 stop14h 54m
Deal found 15/10£447
Thu 12/1112:55 -
1 stop13h 58m
Tue 1/1210:38 -
2 stops23h 42m
Deal found 16/10£452
Thu 12/1112:55 -
1 stop16h 25m
Tue 1/1212:12 -
1 stop13h 28m
Deal found 15/10£465
Sat 12/1220:40 -
1 stop25h 30m
Tue 12/107:33 -
2 stops26h 47m
Deal found 14/10£468
Mon 26/1011:30 -
1 stop15h 16m
Mon 9/1116:27 -
1 stop31h 43m
Deal found 15/10£473
Mon 26/1011:30 -
2 stops17h 28m
Mon 9/1109:07 -
1 stop15h 03m
Deal found 15/10£489
Tue 24/1108:45 -
1 stop13h 25m
Tue 12/117:01 -
1 stop13h 34m
Deal found 18/10£491

Find flight deals from Ireland to Colorado

Round-trip from

£435

One-way from

£312

Popular in

July

Cheapest in

April

Average price

£558
19/11-30/11
  • 19/11-30/11
  • 2 total stops
  • 33h 48m total
  • Ireland to Colorado
Search Deals
Delta
  • Delta
  • 18/1-31/12
  • 2 total stops
  • 21h 49m total
  • Ireland to Colorado
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£84 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

Sat 3/4

06:00-15:56

2 stops16h 56m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£345

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Mon 29/3

08:55-20:34

2 stops18h 39m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£345

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Tue 30/3

06:00-15:56

2 stops16h 56m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£345

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Sun 28/3

15:00-10:48

1 stop26h 48m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£349

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

£349
Fastest return journey

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 17/12

09:40-16:02

1 stop13h 22m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£349

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 12/11

12:55-19:53

1 stop13h 58m

Denver Intl

Tue 1/12

10:38-17:20

2 stops23h 42m

£452

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 12/11

08:45-15:10

1 stop13h 25m

Denver Intl

Tue 1/12

17:01-13:35

1 stop13h 34m

£504

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Mon 23/11

08:50-20:11

2 stops18h 21m

Denver Intl

Sun 6/12

11:13-09:00

2 stops14h 47m

£516

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 26/11

05:45-17:08

2 stops18h 23m

Denver Intl

Wed 9/12

11:13-09:00

2 stops14h 47m

£519

Flights are sorted by cheapest return flights first.

Deals found on 16/10

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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 £388). Flying from Ireland to Colorado in July is currently the most expensive (average of £724). 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 85 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
1,846 reviews
Check prices

Food

6.7

Overall

7.3

Comfort

7.2

Crew

8.1

Entertainment

7.0

Boarding

7.5

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
1,846 reviews
Aer Lingus
7.3
Good
1,846 reviews
Check prices

Food

6.7

Overall

7.3

Comfort

7.2

Crew

8.1

Entertainment

7.0

Boarding

7.5

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
763 reviews
Aer Lingus
7.3
Good
1,846 reviews
Check prices

Food

6.7

Overall

7.3

Comfort

7.2

Crew

8.1

Entertainment

7.0

Boarding

7.5

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
8,266 reviews
Aer Lingus
7.3
Good
1,846 reviews
Check prices

Food

6.7

Overall

7.3

Comfort

7.2

Crew

8.1

Entertainment

7.0

Boarding

7.5

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 £504, Finnair can have you in Colorado from Ireland in 13h 25m. 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 £388). Flying from Ireland to Colorado in July is currently the most expensive (average of £724). 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£300Average£399FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£337Average£460FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£368Average£635FlexibilityNo 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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