$273+ Cheap flights from Colorado to Portugal
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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Sep 12 — Sep 191
Round-trip
1 adult, Economy
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Find cheap flights from Colorado to Portugal with Cheapflights
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Cheapest flights from Colorado to PortugalExplore the most affordable flight options available from Colorado to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
Explore the most affordable flight options available from Colorado to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
This Gotogate deal was found by Cheapflights users on 8/12. 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 11/23:40 pm -
1 stop14h 10m
Thu 11/122:00 pm -
1 stop35h 00m
Deal found 8/12![Icelandair logo]()
$680
This Gotogate deal was found by Cheapflights users on 8/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/93:40 pm -
1 stop14h 10m
Sun 12/132:00 pm -
1 stop35h 00m
Deal found 8/9![Icelandair logo]()
$683
This FlightHub deal was found by Cheapflights users on 8/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/73:40 pm -
1 stop14h 10m
Sun 11/152:00 pm -
1 stop35h 00m
Deal found 8/11![Icelandair logo]()
$689
This FlightHub deal was found by Cheapflights users on 8/9. 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.
Sat 10/314:40 pm -
1 stop14h 10m
Tue 11/102:00 pm -
1 stop35h 00m
Deal found 8/9![Icelandair logo]()
$690
This Expedia deal was found by Cheapflights users on 8/8. 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.
Sun 12/611:20 am -
2 stops18h 30m
Tue 12/156:00 am -
1 stop16h 35m
Deal found 8/8![Multiple Airlines logo]()
$692
This Expedia deal was found by Cheapflights users on 8/8. 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.
Mon 11/211:20 am -
1 stop16h 20m
Wed 11/255:00 am -
1 stop17h 35m
Deal found 8/8![Multiple Airlines logo]()
$701
This oojo deal was found by Cheapflights users on 8/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:15 pm -
1 stop14h 15m
Fri 11/65:00 am -
1 stop17h 35m
Deal found 8/11![Lufthansa logo]()
$705
This United Airlines deal was found by Cheapflights users on 8/8. 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 12/61:45 pm -
1 stop12h 45m
Tue 12/156:00 am -
1 stop16h 35m
Deal found 8/8![United Airlines logo]()
$707
This Gotogate deal was found by Cheapflights users on 8/12. 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.
Wed 10/284:40 pm -
1 stop14h 10m
Sun 11/152:00 pm -
1 stop35h 00m
Deal found 8/12![Icelandair logo]()
$709
This Gotogate deal was found by Cheapflights users on 8/12. 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 11/21:30 pm -
2 stops14h 10m
Thu 11/125:00 am -
1 stop17h 35m
Deal found 8/12![Multiple Airlines logo]()
$710
This Icelandair deal was found by Cheapflights users on 8/12. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:40 pm -
1 stop14h 10m
Thu 11/122:00 pm -
1 stop35h 00m
Deal found 8/12![Icelandair logo]()
$712
This Gotogate deal was found by Cheapflights users on 8/10. 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.
Tue 10/2711:20 am -
2 stops16h 00m
Fri 11/65:00 am -
1 stop17h 35m
Deal found 8/10![Multiple Airlines logo]()
$713
Best flights from Colorado to PortugalDiscover carefully curated flight deals from Colorado to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
Discover carefully curated flight deals from Colorado to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
This Icelandair deal was found by Cheapflights users on 8/12. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/93:40 pm -
1 stop14h 10m
Sun 12/132:00 pm -
1 stop35h 00m
Deal found 8/12![Icelandair logo]()
$712
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Wed 10/1411:25 am -
1 stop14h 55m
Wed 11/45:00 am -
1 stop15h 40m
Deal found 8/12![United Airlines logo]()
$723
This KLM deal was found by Cheapflights users on 8/8. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:30 am -
2 stops20h 20m
Mon 11/162:40 pm -
2 stops33h 33m
Deal found 8/8![KLM logo]()
$770
This Air Canada deal was found by Cheapflights users on 8/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:40 am -
3 stops17h 15m
Tue 11/1712:50 pm -
3 stops26h 53m
Deal found 8/9![Air Canada logo]()
$786
This Expedia deal was found by Cheapflights users on 8/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:17 pm -
2 stops17h 28m
Sat 11/146:30 am -
2 stops19h 04m
Deal found 8/11![Multiple Airlines logo]()
$789
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:00 pm -
2 stops16h 10m
Sat 11/75:00 am -
2 stops19h 47m
Deal found 8/11![Delta logo]()
$790
This Turkish Airlines deal was found by Cheapflights users on 8/8. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:30 pm -
1 stop30h 10m
Sat 10/244:40 pm -
1 stop32h 45m
Deal found 8/8![Turkish Airlines logo]()
$843
This British Airways deal was found by Cheapflights users on 8/9. 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.
Mon 9/216:40 pm -
1 stop16h 55m
Wed 10/712:10 pm -
1 stop35h 15m
Deal found 8/9![British Airways logo]()
$865
This Justfly.com deal was found by Cheapflights users on 8/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/301:40 pm -
2 stops36h 35m
Sat 2/69:15 pm -
2 stops44h 27m
Deal found 8/12![TAP AIR PORTUGAL logo]()
$1,024
This oojo deal was found by Cheapflights users on 8/9. 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.
Fri 1/2211:15 am -
2 stops18h 50m
Tue 1/264:30 pm -
3 stops33h 31m
Deal found 8/9![Lufthansa logo]()
$1,057
This United Airlines deal was found by Cheapflights users on 8/9. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:30 am -
2 stops19h 25m
Tue 11/1712:50 pm -
2 stops40h 07m
Deal found 8/9![United Airlines logo]()
$750
This KLM deal was found by Cheapflights users on 8/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/14:40 pm -
2 stops33h 55m
Sun 2/710:10 am -
2 stops38h 20m
Deal found 8/12![KLM logo]()
$795
This KLM deal was found by Cheapflights users on 8/8. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:40 pm -
1 stop21h 45m
Tue 10/1310:00 am -
1 stop17h 13m
Deal found 8/8![Multiple Airlines logo]()
$806
This United Airlines deal was found by Cheapflights users on 8/8. 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 10/139:40 am -
1 stop16h 40m
Thu 10/295:00 am -
1 stop15h 25m
Deal found 8/8![United Airlines logo]()
$754
This Delta deal was found by Cheapflights users on 8/8. 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 9/2912:15 pm -
1 stop15h 15m
Thu 10/811:35 am -
2 stops18h 37m
Deal found 8/8![Delta logo]()
$877
This KLM deal was found by Cheapflights users on 8/8. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:18 pm -
2 stops41h 52m
Wed 11/1810:25 am -
2 stops37h 48m
Deal found 8/8![KLM logo]()
$801
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Sun 12/67:00 am -
2 stops18h 10m
Wed 12/911:20 am -
2 stops39h 48m
Deal found 8/12![United Airlines logo]()
$755
This KLM deal was found by Cheapflights users on 8/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/272:20 pm -
2 stops43h 50m
Wed 2/310:25 am -
2 stops40h 35m
Deal found 8/10![KLM logo]()
$801
This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:45 pm -
2 stops14h 45m
Tue 10/135:00 am -
2 stops22h 10m
Deal found 8/12![Delta logo]()
$885
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 11/143:18 pm -
2 stops35h 02m
Wed 11/1811:20 am -
2 stops40h 13m
Deal found 8/10![United Airlines logo]()
$758
This United deal was found by Cheapflights users on 8/9. 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.
Mon 9/2111:59 pm -
2 stops25h 06m
Wed 10/711:25 am -
1 stop33h 55m
Deal found 8/9![Multiple Airlines logo]()
$935
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/8. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/1311:35 am -
2 stops41h 25m
Sun 1/1711:50 am -
2 stops28h 52m
Deal found 8/8![TAP AIR PORTUGAL logo]()
$1,082
This British Airways deal was found by Cheapflights users on 8/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:35 pm -
1 stop21h 30m
Sun 10/187:20 am -
2 stops22h 38m
Deal found 8/12![British Airways logo]()
$1,083
This KLM deal was found by Cheapflights users on 8/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/2211:10 am -
2 stops19h 40m
Tue 1/262:40 pm -
2 stops36h 20m
Deal found 8/11![KLM logo]()
$820
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Sun 12/68:30 am -
2 stops16h 40m
Wed 12/95:00 am -
2 stops18h 31m
Deal found 8/12![United Airlines logo]()
$758
This KAYAK deal was found by Cheapflights users on 8/8. 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.
Wed 11/115:44 pm -
2 stops37h 36m
Wed 11/183:10 pm -
1 stop31h 25m
Deal found 8/8![Lufthansa logo]()
$1,126
This Delta deal was found by Cheapflights users on 8/10. 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.
Wed 9/91:25 pm -
2 stops22h 20m
Wed 9/165:00 am -
2 stops21h 56m
Deal found 8/10![Delta logo]()
$955
This Finnair deal was found by Cheapflights users on 8/12. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:07 am -
2 stops24h 43m
Mon 10/124:35 pm -
2 stops37h 56m
Deal found 8/12![Multiple Airlines logo]()
$967
This Justfly.com deal was found by Cheapflights users on 8/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:35 pm -
1 stop33h 55m
Sat 10/101:10 pm -
2 stops42h 26m
Deal found 8/11![British Airways logo]()
$1,090
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/8. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/311:35 am -
2 stops30h 25m
Sat 2/64:10 am -
2 stops37h 32m
Deal found 8/8![TAP AIR PORTUGAL logo]()
$1,109
Last-minute flights from Colorado to PortugalDiscover last-minute flight deals from Colorado to Portugal. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Portugal. Data last updated August 13, 2026 and is based on user searches.
This SmartFares deal was found by Cheapflights users on 8/8. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:30 pm -
1 stop20h 00m
Wed 9/24:40 pm -
1 stop32h 45m
Deal found 8/8![Turkish Airlines logo]()
$820
This Turkish Airlines deal was found by Cheapflights users on 8/11. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:30 pm -
1 stop30h 10m
Wed 10/74:40 pm -
1 stop32h 45m
Deal found 8/11![Turkish Airlines logo]()
$843
This oojo deal was found by Cheapflights users on 8/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:15 pm -
1 stop24h 10m
Thu 10/86:00 am -
1 stop16h 40m
Deal found 8/11![Lufthansa logo]()
$845
This Iberia deal was found by Cheapflights users on 8/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:40 pm -
1 stop16h 15m
Thu 11/198:20 am -
2 stops23h 13m
Deal found 8/11![Multiple Airlines logo]()
$762
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:40 pm -
1 stop21h 20m
Thu 11/197:00 am -
1 stop15h 10m
Deal found 8/11![British Airways logo]()
$767
This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:35 am -
2 stops19h 15m
Thu 11/195:00 am -
2 stops25h 24m
Deal found 8/12![Delta logo]()
$770
This Delta deal was found by Cheapflights users on 8/10. 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.
Wed 9/235:45 pm -
2 stops18h 00m
Thu 11/195:00 am -
2 stops25h 24m
Deal found 8/10![Delta logo]()
$774
This Mytrip deal was found by Cheapflights users on 8/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:40 pm -
3 stops35h 15m
Wed 10/76:25 am -
2 stops19h 35m
Deal found 8/12![Multiple Airlines logo]()
$763
This Mytrip deal was found by Cheapflights users on 8/13. 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.
Sun 9/274:40 pm -
2 stops19h 30m
Sun 10/46:10 pm -
3 stops31h 50m
Deal found 8/13![Multiple Airlines logo]()
$798
This Flightnetwork deal was found by Cheapflights users on 8/8. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:40 pm -
1 stop14h 10m
Sun 10/113:00 pm -
1 stop35h 00m
Deal found 8/8![Icelandair logo]()
$714
This Flightnetwork deal was found by Cheapflights users on 8/11. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:40 pm -
1 stop14h 10m
Tue 10/133:00 pm -
1 stop35h 00m
Deal found 8/11![Icelandair logo]()
$729
This Mytrip deal was found by Cheapflights users on 8/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:35 am -
2 stops26h 45m
Wed 10/147:25 am -
2 stops19h 52m
Deal found 8/9![Multiple Airlines logo]()
$775
One-way flights from Colorado to PortugalSearch for one-way flight options from Colorado to Portugal. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
Search for one-way flight options from Colorado to Portugal. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 8/318:10 pm -
3 stops43h 20m
Deal found 8/8![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:59 pm -
3 stops39h 06m
Deal found 8/11![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
3 stops29h 30m
Deal found 8/10![Multiple Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am -
3 stops59h 45m
Deal found 8/11![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Thu 10/110:44 am -
3 stops51h 41m
Deal found 8/12![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Wed 10/214:40 pm -
3 stops46h 25m
Deal found 8/12![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 10/264:40 pm -
3 stops33h 50m
Deal found 8/8![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 8/318:10 pm -
2 stops58h 40m
Deal found 8/8![Multiple Airlines logo]()
$336
This Delta deal was found by Cheapflights users on 8/8. 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.
Wed 2/36:45 am -
2 stops20h 50m
Deal found 8/8![Delta logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:56 pm -
2 stops39h 19m
Deal found 8/11![Multiple Airlines logo]()
$346
This Expedia deal was found by Cheapflights users on 8/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/125:40 pm -
2 stops41h 50m
Deal found 8/9![Air Canada logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 10/304:40 pm -
3 stops24h 35m
Deal found 8/8![Multiple Airlines logo]()
$349
Find flight deals from Colorado to Portugal
Keep the following information in mind while searching for Colorado to Portugal flight deals. Data was last updated August 13, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $680 (Gotogate) |
One-way from | $273 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $986 |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado to Portugal 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 August 13, 2026.
Use the filters below to find and compare flights from Colorado to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Wed 12/9
3:40 pm-12:50 pm
1 stop14h 10m
Lisbon Humberto Delgado
Sun 12/13
2:00 pm-6:00 pm
1 stop35h 00m
$712
Quickest round-trip
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Wed 10/14
11:25 am-9:20 am
1 stop14h 55m
Lisbon Humberto Delgado
Wed 11/4
5:00 am-1:40 pm
1 stop15h 40m
$723
Colorado SpringsLisbon
COS Colorado Springs - LIS Lisbon Humberto Delgado
COSLIS
Colorado Springs
Wed 10/28
5:30 am-6:55 am
2 stops19h 25m
Lisbon Humberto Delgado
Tue 11/17
12:50 pm-9:57 pm
2 stops40h 07m
$750
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Tue 10/13
9:40 am-9:20 am
1 stop16h 40m
Lisbon Humberto Delgado
Thu 10/29
5:00 am-2:25 pm
1 stop15h 25m
$754
Colorado SpringsLisbon
COS Colorado Springs - LIS Lisbon Humberto Delgado
COSLIS
Colorado Springs
Sun 12/6
7:00 am-8:10 am
2 stops18h 10m
Lisbon Humberto Delgado
Wed 12/9
11:20 am-8:08 pm
2 stops39h 48m
$755
AspenLisbon
ASE Aspen Pitkin County - LIS Lisbon Humberto Delgado
ASELIS
Aspen Pitkin County
Sat 11/14
3:18 pm-9:20 am
2 stops35h 02m
Lisbon Humberto Delgado
Wed 11/18
11:20 am-8:33 pm
2 stops40h 13m
$758
AspenLisbon
ASE Aspen Pitkin County - LIS Lisbon Humberto Delgado
ASELIS
Aspen Pitkin County
Sun 12/6
8:30 am-8:10 am
2 stops16h 40m
Lisbon Humberto Delgado
Wed 12/9
5:00 am-4:31 pm
2 stops18h 31m
$758
DenverFaro
DEN Denver Intl - FAO Faro
DENFAO
Denver Intl
Wed 11/4
10:30 am-1:50 pm
2 stops20h 20m
Faro
Mon 11/16
2:40 pm-5:13 pm
2 stops33h 33m
$770
Colorado SpringsLisbon
COS Colorado Springs - LIS Lisbon Humberto Delgado
COSLIS
Colorado Springs
Wed 10/28
7:40 am-6:55 am
3 stops17h 15m
Lisbon Humberto Delgado
Tue 11/17
12:50 pm-8:43 am
3 stops26h 53m
$786
Colorado SpringsLisbon
COS Colorado Springs - LIS Lisbon Humberto Delgado
COSLIS
Colorado Springs
Sun 11/1
5:17 pm-5:45 pm
2 stops17h 28m
Lisbon Humberto Delgado
Sat 11/14
6:30 am-6:34 pm
2 stops19h 04m
$789
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Colorado to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Colorado with our price prediction graph.
DEN-LIS
DEN-FAO
COS-LIS
DEN-OPO
DEN-FNC
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 Portugal
USCO-PT0
DEN-LIS
DEN-FAO
COS-LIS
DEN-OPO
What is the cheapest month to book a flight from Colorado to Portugal?
Currently, February is the cheapest month in which you can book a flight from Colorado to Portugal (average of $637). Flying from Colorado to Portugal in June is currently the most expensive (average of $1,322). 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 Colorado to Portugal?
To ensure you get the cheapest price possible for a flight from Colorado to Portugal, you should look to book at least 71 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Related info for your journey
Find useful and relevant information for your journey from Colorado to Portugal. 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 Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Colorado to Portugal by cabin class
Find flights from Colorado to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado and Portugal flights
Browse other Colorado and Portugal flight options. Last updated on August 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Portugal
Find the right flight back to Colorado after your stay in Portugal
Colorado to Portugal flights
Consider these flights traveling from Colorado to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 10 airlines flying from Colorado to Portugal
Discover the top 10 airlines that operate flights from Colorado to Portugal. 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 August 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$464 | Average$629 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$514 | Average$1,100 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$551 | Average$908 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$559 | Average$1,026 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$575 | Average$1,179 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$575 | Average$985 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$592 | Average$712 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$596 | Average$1,033 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$622 | Average$891 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$630 | Average$776 | FlexibilityNo cancel fee | On-time71% |