$165+ Cheap flights from Colorado to Ireland
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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — DUB
Aug 13 — Aug 201
Round-trip
1 adult, Economy
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Cheapest flights from Colorado to IrelandExplore the most affordable flight options available from Colorado to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 14, 2026.
Explore the most affordable flight options available from Colorado to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 14, 2026.
This FlightHub deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:23 am
DEN
- DUB
2 stops37h 22m
Air Canada
Sun 9/139:20 am
DUB
- DEN
2 stops32h 11m
Air Canada
Deal found 7/13![Air Canada logo]()
$686
This United deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:48 pm
DEN
- DUB
1 stop32h 57m
Multiple Airlines
Sun 9/139:20 am
DUB
- DEN
2 stops32h 11m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$687
This Cheapflightsfares deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/44:40 pm
DEN
- DUB
1 stop13h 35m
Icelandair
Thu 10/82:15 pm
DUB
- DEN
1 stop11h 45m
Icelandair
Deal found 7/12![Icelandair logo]()
$688
This Gotogate deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/169:40 am
DEN
- DUB
1 stop15h 05m
Multiple Airlines
Sat 8/2210:40 am
DUB
- DEN
1 stop34h 05m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$689
This Justfly.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:16 pm
DEN
- DUB
2 stops29h 29m
Air Canada
Thu 8/279:50 am
DUB
- DEN
1 stop16h 05m
Air Canada
Deal found 7/14![Air Canada logo]()
$690
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:15 am
DEN
- DUB
1 stop15h 30m
United Airlines
Wed 8/199:20 am
DUB
- DEN
1 stop15h 36m
United Airlines
Deal found 7/13![United Airlines logo]()
$691
This FlightHub deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:50 pm
DEN
- DUB
1 stop28h 55m
Air Canada
Wed 9/29:20 am
DUB
- DEN
2 stops30h 27m
Air Canada
Deal found 7/9![Air Canada logo]()
$692
This Justfly.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:23 am
DEN
- DUB
2 stops37h 22m
Multiple Airlines
Tue 8/1810:40 am
DUB
- DEN
1 stop34h 05m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$693
This Justfly.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:10 am
DEN
- DUB
1 stop15h 35m
Air Canada
Tue 9/89:20 am
DUB
- DEN
2 stops39h 44m
Air Canada
Deal found 7/9![Air Canada logo]()
$694
This FlightHub deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:00 pm
DEN
- DUB
Nonstop8h 45m
Aer Lingus
Wed 9/23:25 pm
DUB
- DEN
Nonstop9h 50m
Aer Lingus
Deal found 7/9![Aer Lingus logo]()
$695
This Justfly.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/139:40 am
DEN
- DUB
1 stop15h 05m
Air Canada
Mon 9/219:20 am
DUB
- DEN
2 stops39h 44m
Air Canada
Deal found 7/9![Air Canada logo]()
$697
This Delta deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/39:29 am
DEN
- SNN
2 stops18h 41m
Delta
Wed 8/191:05 pm
SNN
- DEN
1 stop28h 42m
Delta
Deal found 7/9![Delta logo]()
$698
Best flights from Colorado to IrelandDiscover carefully curated flight deals from Colorado to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 14, 2026.
Discover carefully curated flight deals from Colorado to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 14, 2026.
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:10 am
DEN
- DUB
1 stop15h 35m
United Airlines
Tue 9/89:20 am
DUB
- DEN
1 stop16h 26m
United Airlines
Deal found 7/10![United Airlines logo]()
$687
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:05 pm
DEN
- SNN
1 stop16h 05m
Delta
Tue 9/81:05 pm
SNN
- DEN
1 stop16h 30m
Delta
Deal found 7/13![Delta logo]()
$708
This United deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:59 pm
DEN
- DUB
1 stop24h 31m
Multiple Airlines
Tue 10/69:50 am
DUB
- DEN
1 stop31h 32m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$714
This Expedia deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:27 am
COS
- DUB
1 stop16h 18m
Iberia
Thu 10/1512:40 pm
DUB
- COS
1 stop17h 19m
Iberia
Deal found 7/12![Iberia logo]()
$780
This Mytrip deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:30 am
GJT
- DUB
2 stops19h 15m
Air Canada
Mon 8/319:50 am
DUB
- GJT
2 stops38h 36m
Air Canada
Deal found 7/13![Air Canada logo]()
$831
This Cheapflightsfares deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:40 pm
DEN
- ORK
1 stop22h 10m
British Airways
Tue 9/17:10 am
ORK
- DEN
1 stop16h 20m
British Airways
Deal found 7/12![British Airways logo]()
$894
This American Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 am
GJT
- DUB
1 stop19h 45m
American Airlines
Mon 8/319:30 am
DUB
- GJT
2 stops19h 04m
American Airlines
Deal found 7/13![American Airlines logo]()
$1,013
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:36 pm
DEN
- DUB
1 stop33h 09m
United Airlines
Sat 10/109:50 am
DUB
- DEN
1 stop33h 41m
United Airlines
Deal found 7/10![United Airlines logo]()
$706
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:28 am
DEN
- DUB
2 stops16h 32m
Delta
Mon 9/145:55 am
DUB
- DEN
2 stops21h 10m
Delta
Deal found 7/13![Delta logo]()
$711
This United deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:02 am
DEN
- DUB
1 stop14h 28m
Multiple Airlines
Mon 8/109:20 am
DUB
- DEN
2 stops32h 13m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$730
This Delta deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
DEN
- SNN
2 stops22h 10m
Delta
Tue 9/151:05 pm
SNN
- DEN
2 stops27h 17m
Delta
Deal found 7/9![Delta logo]()
$712
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:29 pm
DEN
- DUB
1 stop30h 16m
United Airlines
Thu 9/249:50 am
DUB
- DEN
1 stop31h 32m
United Airlines
Deal found 7/11![United Airlines logo]()
$714
This Air France deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:58 pm
DEN
- ORK
2 stops15h 42m
Multiple Airlines
Sat 9/2610:50 am
ORK
- DEN
2 stops18h 45m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$739
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:47 pm
DEN
- DUB
1 stop10h 58m
United Airlines
Tue 10/139:50 am
DUB
- DEN
1 stop31h 32m
United Airlines
Deal found 7/12![United Airlines logo]()
$723
This Delta deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:10 am
DEN
- ORK
2 stops20h 30m
Delta
Sat 9/2610:50 am
ORK
- DEN
2 stops19h 57m
Delta
Deal found 7/14![Delta logo]()
$739
This British Airways deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:40 pm
DEN
- ORK
1 stop13h 30m
British Airways
Mon 9/147:10 am
ORK
- DEN
2 stops17h 32m
British Airways
Deal found 7/9![British Airways logo]()
$923
This Delta deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:00 am
DEN
- ORK
2 stops21h 20m
Delta
Sun 8/96:15 am
ORK
- DEN
2 stops20h 36m
Delta
Deal found 7/9![Delta logo]()
$743
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/612:16 pm
COS
- DUB
1 stop12h 54m
United Airlines
Wed 12/910:40 am
DUB
- COS
1 stop18h 00m
United Airlines
Deal found 7/10![United Airlines logo]()
$744
This Aer Lingus deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:00 pm
DEN
- DUB
Nonstop8h 45m
Multiple Airlines
Thu 9/103:25 pm
DUB
- DEN
1 stop14h 54m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$857
This Delta deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/251:10 pm
DEN
- DUB
1 stop12h 35m
Delta
Sat 8/112:00 pm
DUB
- DEN
1 stop14h 27m
Delta
Deal found 7/9![Delta logo]()
$770
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:44 am
COS
- DUB
1 stop21h 01m
United Airlines
Thu 8/279:50 am
DUB
- COS
2 stops31h 43m
United Airlines
Deal found 7/12![United Airlines logo]()
$777
This Air Canada deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 am
GJT
- DUB
2 stops17h 45m
Multiple Airlines
Mon 8/319:20 am
DUB
- GJT
3 stops18h 15m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$863
This Delta deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:11 pm
GJT
- DUB
2 stops18h 19m
Delta
Mon 12/219:55 am
DUB
- GJT
2 stops57h 25m
Delta
Deal found 7/10![Delta logo]()
$771
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:55 am
COS
- DUB
1 stop18h 50m
United Airlines
Thu 8/279:50 am
DUB
- COS
2 stops21h 05m
United Airlines
Deal found 7/14![United Airlines logo]()
$801
This Delta deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2211:16 am
GJT
- DUB
2 stops37h 39m
Delta
Mon 12/219:55 am
DUB
- GJT
2 stops57h 25m
Delta
Deal found 7/10![Delta logo]()
$781
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:55 am
COS
- DUB
1 stop14h 50m
United Airlines
Thu 8/279:50 am
DUB
- COS
2 stops21h 05m
United Airlines
Deal found 7/14![United Airlines logo]()
$801
This KAYAK deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/28:35 pm
DEN
- ORK
1 stop20h 15m
Multiple Airlines
Sun 8/97:10 am
ORK
- DEN
1 stop17h 25m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$991
This British Airways deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:28 pm
DEN
- DUB
2 stops13h 47m
British Airways
Wed 11/186:00 pm
DUB
- DEN
1 stop28h 10m
British Airways
Deal found 7/13![British Airways logo]()
$1,353
This Delta deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/211:11 pm
GJT
- DUB
2 stops35h 44m
Delta
Tue 12/229:55 am
DUB
- GJT
2 stops33h 25m
Delta
Deal found 7/10![Delta logo]()
$796
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:00 am
GJT
- DUB
2 stops17h 10m
United Airlines
Tue 12/229:00 am
DUB
- GJT
2 stops31h 12m
United Airlines
Deal found 7/10![United Airlines logo]()
$845
Last-minute flights from Colorado to IrelandDiscover last-minute flight deals from Colorado to Ireland. Data last updated July 14, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Ireland. Data last updated July 14, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:15 am
DEN
- DUB
1 stop15h 30m
United Airlines
Wed 8/199:20 am
DUB
- DEN
1 stop15h 36m
United Airlines
Deal found 7/13![United Airlines logo]()
$691
This Delta deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/39:29 am
DEN
- SNN
2 stops18h 41m
Delta
Wed 8/191:05 pm
SNN
- DEN
1 stop28h 42m
Delta
Deal found 7/9![Delta logo]()
$698
This Gotogate deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/39:40 am
DEN
- DUB
2 stops15h 35m
Air Canada
Wed 8/199:20 am
DUB
- DEN
2 stops16h 40m
Air Canada
Deal found 7/12![Air Canada logo]()
$699
This Justfly.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:23 am
DEN
- DUB
2 stops37h 22m
Multiple Airlines
Tue 8/1810:40 am
DUB
- DEN
1 stop34h 05m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$693
This Cheapflightsfares deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:40 pm
DEN
- DUB
1 stop17h 40m
British Airways
Sun 8/2310:30 am
DUB
- DEN
1 stop13h 00m
British Airways
Deal found 7/9![British Airways logo]()
$687
This Mytrip deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:40 am
DEN
- DUB
3 stops21h 05m
Multiple Airlines
Thu 8/207:50 pm
DUB
- DEN
3 stops30h 05m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$698
This Gotogate deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/169:40 am
DEN
- DUB
1 stop15h 05m
Multiple Airlines
Sat 8/2210:40 am
DUB
- DEN
1 stop34h 05m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$689
This Justfly.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:16 pm
DEN
- DUB
2 stops29h 29m
Air Canada
Thu 8/279:50 am
DUB
- DEN
1 stop16h 05m
Air Canada
Deal found 7/14![Air Canada logo]()
$690
This FlightHub deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:50 pm
DEN
- DUB
1 stop28h 55m
Air Canada
Wed 9/29:20 am
DUB
- DEN
2 stops30h 27m
Air Canada
Deal found 7/9![Air Canada logo]()
$692
This FlightHub deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:00 pm
DEN
- DUB
Nonstop8h 45m
Aer Lingus
Wed 9/23:25 pm
DUB
- DEN
Nonstop9h 50m
Aer Lingus
Deal found 7/9![Aer Lingus logo]()
$695
This Justfly.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:10 am
DEN
- DUB
1 stop15h 35m
Air Canada
Tue 9/89:20 am
DUB
- DEN
2 stops39h 44m
Air Canada
Deal found 7/9![Air Canada logo]()
$694
This FlightHub deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/309:40 am
DEN
- DUB
1 stop15h 05m
Air Canada
Tue 9/89:20 am
DUB
- DEN
2 stops39h 44m
Air Canada
Deal found 7/9![Air Canada logo]()
$697
One-way flights from Colorado to IrelandSearch for one-way flight options from Colorado to Ireland. Find affordable one-way fares based on user searches. Data last updated July 14, 2026.
Search for one-way flight options from Colorado to Ireland. Find affordable one-way fares based on user searches. Data last updated July 14, 2026.
This oojo deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/254:40 pm
DEN
- DUB
1 stop11h 25m
Icelandair
Deal found 7/13![Icelandair logo]()
$165
This oojo deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/304:40 pm
DEN
- DUB
1 stop13h 35m
Icelandair
Deal found 7/9![Icelandair logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:40 pm
DEN
- DUB
2 stops31h 30m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:40 pm
DEN
- DUB
2 stops31h 35m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:40 pm
DEN
- DUB
2 stops24h 55m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:40 pm
DEN
- DUB
2 stops17h 25m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:40 pm
DEN
- DUB
2 stops35h 40m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:40 pm
DEN
- DUB
2 stops17h 25m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:40 pm
DEN
- ORK
2 stops24h 15m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/114:40 pm
DEN
- SNN
3 stops36h 55m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:59 pm
DEN
- SNN
3 stops39h 26m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:40 pm
DEN
- CFN
3 stops38h 20m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$353
Find flight deals from Colorado to Ireland
Keep the following information in mind while searching for Colorado to Ireland flight deals. Data was last updated July 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $686 (FlightHub) |
One-way from | $165 (oojo) |
Popular in | June |
Cheapest in | January |
Average price | $805 |
Good round-trip deal | $915 or less |
Good one-way deal | $541 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado to Ireland 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 2,558,603 searches. Data last updated July 14, 2026.
Use the filters below to find and compare flights from Colorado to Ireland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverDublin
DEN - DUB
DENDUB
Denver Intl
Thu 9/3
9:10 am-7:45 am
1 stop15h 35m
Dublin
Tue 9/8
9:20 am-6:46 pm
1 stop16h 26m
$687
DenverDublin
DEN - DUB
DENDUB
Denver Intl
Thu 10/1
5:36 pm-9:45 am
1 stop33h 09m
Dublin
Sat 10/10
9:50 am-12:31 pm
1 stop33h 41m
$706
DenverShannon
DEN - SNN
DENSNN
Denver Intl
Tue 9/1
12:05 pm-11:10 am
1 stop16h 05m
Shannon
Tue 9/8
1:05 pm-10:35 pm
1 stop16h 30m
$708
DenverDublin
DEN - DUB
DENDUB
Denver Intl
Thu 9/10
10:28 am-10:00 am
2 stops16h 32m
Dublin
Mon 9/14
5:55 am-8:05 pm
2 stops21h 10m
$711
DenverShannon
DEN - SNN
DENSNN
Denver Intl
Tue 9/1
6:00 am-11:10 am
2 stops22h 10m
Shannon
Tue 9/15
1:05 pm-9:22 am
2 stops27h 17m
$712
DenverDublin
DEN - DUB
DENDUB
Denver Intl
Thu 10/1
11:59 pm-7:30 am
1 stop24h 31m
Dublin
Tue 10/6
9:50 am-10:22 am
1 stop31h 32m
$714
DenverDublin
DEN - DUB
DENDUB
Denver Intl
Sun 9/13
8:29 pm-9:45 am
1 stop30h 16m
Dublin
Thu 9/24
9:50 am-10:22 am
1 stop31h 32m
$714
DenverDublin
DEN - DUB
DENDUB
Denver Intl
Tue 9/29
3:47 pm-9:45 am
1 stop10h 58m
Dublin
Tue 10/13
9:50 am-10:22 am
1 stop31h 32m
$723
DenverDublin
DEN - DUB
DENDUB
Denver Intl
Tue 8/4
10:02 am-7:30 am
1 stop14h 28m
Dublin
Mon 8/10
9:20 am-10:33 am
2 stops32h 13m
$730
DenverCork
DEN - ORK
DENORK
Denver Intl
Thu 9/17
3:58 pm-2:40 pm
2 stops15h 42m
Cork
Sat 9/26
10:50 am-10:35 pm
2 stops18h 45m
$739
Showing 1-10 of 50 resultsSorted by cheapest first
Best time to book a flight from Colorado to Ireland
Have a flexible travel schedule? Discover the best time to fly to Ireland from Colorado with our price prediction graph.
DEN-DUB
DEN-SNN
COS-DUB
GJT-DUB
DEN-ORK
Estimated round-trip 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 Colorado to Ireland
USCO-IE0
DEN-DUB
DEN-SNN
COS-DUB
GJT-DUB
What is the cheapest month to book a flight from Colorado to Ireland?
Currently, September is the cheapest month in which you can book a flight from Colorado to Ireland (average of $131). Flying from Colorado to Ireland in May is currently the most expensive (average of $1,095). 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.
What is the cheapest time of day to fly from CO to IE?
Find hourly flight availability from Colorado to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 14, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Ireland as you normally would.
How far ahead should I book a flight from Colorado to Ireland?
The best time to book flights from Colorado to Ireland is 48 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.
Related info for your journey
Find useful and relevant information for your journey from Colorado to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Colorado to Ireland
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ireland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Colorado to Ireland by cabin class
Find flights from Colorado to Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado and Ireland flights
Browse other Colorado and Ireland flight options. Last updated on July 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Ireland
Find the right flight back to Colorado after your stay in Ireland
Colorado to Ireland flights
Consider these flights traveling from Colorado to Ireland.
Fly to Ireland regions
Consider these flights traveling to Ireland regions.
Top 10 airlines flying from Colorado to Ireland
Discover the top 10 airlines that operate flights from Colorado to Ireland. 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 2,558,603 searches. Data last updated July 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$131 | Average$692 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$354 | Average$455 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$383 | Average$540 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$388 | Average$804 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$402 | Average$588 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$403 | Average$713 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$405 | Average$645 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$432 | Average$665 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$437 | Average$688 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$450 | Average$738 | FlexibilityNo cancel fee | On-timeN/A |