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Cheap flights from Ireland to Colorado from £313

DUB — DEN
15 Nov — 22 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£438
Mon 23/1120:40 -
1 stop25h 30m
Sun 6/1214:35 -
2 stops17h 20m
Deal found 16/10£439
Mon 23/1112:55 -
1 stop14h 04m
Sun 6/1217:01 -
1 stop14h 54m
Deal found 13/10£449
Thu 12/1108:50 -
1 stop13h 20m
Tue 1/1212:21 -
2 stops21h 34m
Deal found 13/10£451
Thu 12/1112:55 -
1 stop13h 58m
Tue 1/1210:38 -
2 stops23h 42m
Deal found 16/10£454
Mon 9/1108:45 -
2 stops21h 09m
Sun 22/1117:01 -
1 stop12h 09m
Deal found 13/10£455
Wed 23/1218:05 -
2 stops32h 58m
Tue 5/117:01 -
1 stop16h 54m
Deal found 14/10£456
Thu 12/1112:55 -
1 stop16h 25m
Tue 1/1212:12 -
1 stop13h 28m
Deal found 15/10£467

Find flight deals from Ireland to Colorado

Round-trip from

£439

One-way from

£313

Popular in

July

Cheapest in

February

Average price

£560
British Airways
  • British Airways
  • 21/11-28/11
  • 2 total stops
  • 61h 49m 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. 17% potential increase in price (£92 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

Tue 1/12

08:50-23:49

2 stops21h 59m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£313
Fastest return journey

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Mon 18/1

10:45-20:34

1 stop16h 49m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£321

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Thu 7/1

05:45-20:34

2 stops21h 49m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£342

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Wed 6/1

08:50-20:34

2 stops18h 44m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£342

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

£346

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

£346

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Tue 5/1

08:50-20:34

2 stops18h 44m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£380

DublinDenver

DUB Dublin - DEN Denver Intl

DUBDEN

Dublin

Wed 23/12

18:05-20:03

2 stops32h 58m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£398

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

£454

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

£517

Flights are sorted by cheapest return flights first.

Deals found on 12/10

Showing 1-10 of 18 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 £364). Flying from Ireland to Colorado in July is currently the most expensive (average of £727). 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
1,838 reviews
Check prices

Overall

7.3

Entertainment

7.1

Comfort

7.2

Food

6.7

Crew

8.1

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
1,838 reviews
Aer Lingus
7.3
Good
1,838 reviews
Check prices

Overall

7.3

Entertainment

7.1

Comfort

7.2

Food

6.7

Crew

8.1

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
758 reviews
Aer Lingus
7.3
Good
1,838 reviews
Check prices

Overall

7.3

Entertainment

7.1

Comfort

7.2

Food

6.7

Crew

8.1

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
8,260 reviews
Aer Lingus
7.3
Good
1,838 reviews
Check prices

Overall

7.3

Entertainment

7.1

Comfort

7.2

Food

6.7

Crew

8.1

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 £454, Finnair can have you in Colorado from Ireland in 13h 58m. 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 £364). Flying from Ireland to Colorado in July is currently the most expensive (average of £727). 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£305Average£397FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£338Average£462FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£370Average£638FlexibilityNo 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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