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Cheap flights from Ireland to Colorado from £281

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — DEN
7 May — 14 May1
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
Explore the most affordable flight options available from Ireland to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 April 2026.

Wed 6/519:45
DUB
-
DEN
1 stop27h 35m
British Airways
Tue 12/517:10
DEN
-
DUB
2 stops16h 50m
British Airways
Deal found 6/4£395
Tue 19/509:40
DUB
-
DEN
2 stops20h 05m
Finnair
Tue 26/514:21
DEN
-
DUB
1 stop14h 29m
Finnair
Deal found 4/4£396
Wed 20/512:40
DUB
-
DEN
1 stop16h 19m
Finnair
Wed 27/514:21
DEN
-
DUB
1 stop14h 29m
Finnair
Deal found 5/4£399
Sat 16/512:40
DUB
-
DEN
1 stop14h 15m
Finnair
Mon 1/614:10
DEN
-
DUB
1 stop14h 40m
Finnair
Deal found 7/4£400
Wed 6/515:25
DUB
-
DEN
Nonstop9h 50m
Aer Lingus
Mon 11/520:00
DEN
-
DUB
Nonstop8h 45m
Aer Lingus
Deal found 6/4£404
Wed 6/509:40
DUB
-
DEN
2 stops20h 05m
Finnair
Sun 10/510:28
DEN
-
DUB
1 stop16h 17m
Finnair
Deal found 3/4£405
Mon 18/509:30
DUB
-
DEN
1 stop20h 15m
Finnair
Wed 27/514:21
DEN
-
DUB
1 stop14h 29m
Finnair
Deal found 2/4£406
Fri 5/609:30
DUB
-
DEN
1 stop21h 29m
Finnair
Sun 7/614:21
DEN
-
DUB
1 stop14h 29m
Finnair
Deal found 3/4£408
Wed 6/509:30
DUB
-
DEN
1 stop19h 29m
Multiple Airlines
Wed 13/517:44
DEN
-
DUB
1 stop11h 06m
Multiple Airlines
Deal found 6/4£409
Mon 4/511:45
DUB
-
DEN
1 stop13h 41m
American Airlines
Sun 10/508:40
DEN
-
DUB
1 stop14h 50m
American Airlines
Deal found 6/4£410
Fri 1/509:30
DUB
-
DEN
1 stop21h 15m
Iberia
Tue 12/514:41
DEN
-
DUB
1 stop12h 04m
Iberia
Deal found 2/4£411

Find flight deals from Ireland to Colorado

Keep the following information in mind while searching for Ireland to Colorado flight deals. Data was last updated 7 April 2026.

Round-trip from

£395

One-way from

£281

Popular in

August

Cheapest in

September

Average price

£530
British Airways
  • British Airways
  • 6/5-12/5
  • 3 total stops
  • 44h 25m total
  • Ireland to Colorado
Search Deals
JetBlue
  • JetBlue
  • 6/5
  • 1 total stop
  • 18h 29m total
  • Ireland to Colorado
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£36 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 April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ireland to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 April 2026.
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
Fastest return journey

DublinDenver

DUB - DEN

DUBDEN

Dublin

Wed 20/5

12:40-21:59

1 stop16h 19m

Denver Intl

Wed 27/5

14:21-11:50

1 stop14h 29m

£399

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sat 16/5

09:30-22:45

1 stop20h 15m

Denver Intl

Mon 1/6

14:10-11:50

1 stop14h 40m

£400

DublinDenver

DUB - DEN

DUBDEN

Dublin

Fri 1/5

11:10-22:48

2 stops18h 38m

Denver Intl

Fri 15/5

17:40-15:25

1 stop14h 45m

£559

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sat 16/5

11:10-20:15

2 stops16h 05m

Denver Intl

Mon 1/6

10:27-09:15

1 stop15h 48m

£562

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sun 7/6

06:00-15:40

1 stop16h 40m

Denver Intl

Sat 27/6

06:00-07:55

1 stop18h 55m

£562

DublinDenver

DUB - DEN

DUBDEN

Dublin

Fri 1/5

05:55-17:21

2 stops18h 26m

Denver Intl

Tue 12/5

09:06-10:00

2 stops17h 54m

£564

DublinDenver

DUB - DEN

DUBDEN

Dublin

Thu 1/10

05:45-18:25

1 stop19h 40m

Denver Intl

Tue 6/10

20:25-23:05

1 stop19h 40m

£583

DublinDenver

DUB - DEN

DUBDEN

Dublin

Wed 20/5

11:10-20:15

2 stops16h 05m

Denver Intl

Wed 27/5

06:30-09:15

1 stop19h 45m

£596

DublinDenver

DUB - DEN

DUBDEN

Dublin

Sun 4/10

05:45-18:25

1 stop19h 40m

Denver Intl

Sun 11/10

20:25-23:05

1 stop19h 40m

£604

DublinDenver

DUB - DEN

DUBDEN

Dublin

Wed 30/9

10:40-18:25

1 stop38h 45m

Denver Intl

Tue 6/10

20:25-09:35

1 stop30h 10m

£605

Flights are sorted by cheapest return flights first.

Deals found on 6/4

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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, June is the cheapest month in which you can book a flight from Ireland to Colorado (average of £308). Flying from Ireland to Colorado in July is currently the most expensive (average of £536). 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.

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated 7 April 2026.
Read through reviews of airlines operating flights from Ireland to Colorado, such as United Airlines,Aer Lingus, andIcelandair. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,548 reviews
Check prices

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,548 reviews
United Airlines
7.4
Good
9,548 reviews
Check prices

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Aer Lingus
7.2
Good
1,499 reviews
United Airlines
7.4
Good
9,548 reviews
Check prices

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Icelandair
7.0
Good
631 reviews
United Airlines
7.4
Good
9,548 reviews
Check prices

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
British Airways
6.7
Okay
7,857 reviews
United Airlines
7.4
Good
9,548 reviews
Check prices

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

Find useful and relevant information for your journey from Ireland to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Ireland to Colorado flight route?

    The Ireland to Colorado flight path was viewed by 55 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 £562, Finnair can have you in Colorado from Ireland in 16h 05m. 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, June is the cheapest month in which you can book a flight from Ireland to Colorado (average of £308). Flying from Ireland to Colorado in July is currently the most expensive (average of £536). 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

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Alternative routes for Ireland to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Ireland to Colorado

Discover the top 4 airlines that operate flights from Ireland to Colorado. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 April 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£306Average£416FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£340Average£589FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£398Average£665FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest£488Average£741FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ireland to Colorado?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Colorado from Ireland today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ireland to Colorado?

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.

Can Cheapflights notify me if prices for flights from Ireland to Colorado become cheaper?

Of course! You can now track prices for flights from Ireland to Colorado and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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