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Cheap flights from Ireland to Colorado from £314

DUB — DEN
10 Nov — 17 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 24/1211:30 -
1 stop13h 30m
Tue 5/115:40 -
1 stop11h 35m
Deal found 5/10£480
Sat 7/1105:10 -
1 stop17h 25m
Sat 14/1117:25 -
1 stop16h 05m
Deal found 8/10£490
Sun 22/1105:10 -
1 stop15h 30m
Sun 29/1111:15 -
1 stop13h 55m
Deal found 8/10£506
Thu 10/1209:10 -
1 stop13h 25m
Thu 21/111:15 -
1 stop13h 55m
Deal found 10/10£511
Tue 27/1005:10 -
1 stop15h 15m
Mon 9/1111:15 -
1 stop13h 55m
Deal found 8/10£513
Thu 10/1205:10 -
1 stop17h 25m
Sun 24/110:20 -
2 stops16h 45m
Deal found 10/10£514
Mon 14/1208:45 -
1 stop13h 25m
Thu 31/1217:05 -
1 stop12h 20m
Deal found 10/10£519
Thu 12/1105:45 -
2 stops18h 25m
Thu 26/1108:05 -
2 stops17h 55m
Deal found 9/10£520
Thu 12/1109:00 -
1 stop32h 35m
Thu 26/1114:16 -
1 stop12h 39m
Deal found 9/10£522
Thu 12/1105:45 -
2 stops17h 17m
Thu 26/1111:36 -
1 stop15h 09m
Deal found 10/10£523
Mon 16/1105:45 -
2 stops18h 25m
Tue 1/1207:05 -
2 stops18h 00m
Deal found 8/10£524

Find flight deals from Ireland to Colorado

Round-trip from

£490

One-way from

£314

Popular in

July

Cheapest in

February

Average price

£502
Lufthansa
  • Lufthansa
  • 7/11-14/11
  • 2 total stops
  • 33h 30m total
  • Ireland to Colorado
Search Deals
Delta
  • Delta
  • 1/12-31/12
  • 2 total stops
  • 21h 59m total
  • Ireland to Colorado
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£97 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 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

Fri 11/12

05:45-17:19

2 stops18h 34m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£314

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Tue 1/12

08:50-23:49

2 stops21h 59m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£314
Fastest return journey

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Mon 14/12

10:45-20:35

1 stop16h 50m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£324

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Tue 23/3

05:45-20:34

2 stops20h 49m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£343

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

£372

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 14/1

11:30-18:00

1 stop13h 30m

Denver Intl

Mon 18/1

15:40-10:15

1 stop11h 35m

£502

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Sat 7/11

05:45-20:13

2 stops21h 28m

Denver Intl

Sat 14/11

11:11-09:00

2 stops14h 49m

£520

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 12/11

08:50-23:34

2 stops21h 44m

Denver Intl

Thu 26/11

08:05-09:00

2 stops17h 55m

£520

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Fri 27/11

05:45-20:29

2 stops21h 44m

Denver Intl

Mon 14/12

06:00-07:45

1 stop18h 45m

£522

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 14/1

09:00-20:51

2 stops18h 51m

Denver Intl

Mon 18/1

09:25-07:30

2 stops15h 05m

£548

Flights are sorted by cheapest return flights first.

Deals found on 6/10

Showing 1-10 of 12 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, February is the cheapest month in which you can book a flight from Ireland to Colorado (average of £365). Flying from Ireland to Colorado in July is currently the most expensive (average of £728). 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 86 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
1,819 reviews
Check prices

Entertainment

7.0

Overall

7.3

Food

6.7

Crew

8.1

Boarding

7.5

Comfort

7.2

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
1,819 reviews
Aer Lingus
7.3
Good
1,819 reviews
Check prices

Entertainment

7.0

Overall

7.3

Food

6.7

Crew

8.1

Boarding

7.5

Comfort

7.2

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
758 reviews
Aer Lingus
7.3
Good
1,819 reviews
Check prices

Entertainment

7.0

Overall

7.3

Food

6.7

Crew

8.1

Boarding

7.5

Comfort

7.2

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
8,256 reviews
Aer Lingus
7.3
Good
1,819 reviews
Check prices

Entertainment

7.0

Overall

7.3

Food

6.7

Crew

8.1

Boarding

7.5

Comfort

7.2

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 £502, 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, February is the cheapest month in which you can book a flight from Ireland to Colorado (average of £365). Flying from Ireland to Colorado in July is currently the most expensive (average of £728). 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£306Average£365FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£339Average£463FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£370Average£639FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ireland to Colorado.

Can Cheapflights find flights from Ireland to Colorado with no change fees?

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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