$335+ Cheap flights from Colorado to Portugal
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Nov 11 — Nov 181
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 October 12, 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 October 12, 2026.
This Mytrip deal was found by Cheapflights users on 10/7. 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 11/93:40 pm -
2 stops21h 00m
Mon 11/2310:00 pm -
2 stops27h 00m
Deal found 10/7![Multiple Airlines logo]()
$548
This Mytrip deal was found by Cheapflights users on 10/9. 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.
Thu 11/123:40 pm -
2 stops21h 45m
Thu 11/195:55 am -
2 stops19h 05m
Deal found 10/9![Multiple Airlines logo]()
$557
This Mytrip deal was found by Cheapflights users on 10/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:40 pm -
2 stops17h 00m
Sun 11/2210:05 pm -
2 stops26h 55m
Deal found 10/8![Multiple Airlines logo]()
$568
This Mytrip deal was found by Cheapflights users on 10/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:40 pm -
2 stops21h 45m
Thu 12/105:55 am -
2 stops19h 05m
Deal found 10/11![Multiple Airlines logo]()
$573
This Mytrip deal was found by Cheapflights users on 10/7. 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.
Fri 11/63:40 pm -
2 stops21h 25m
Mon 11/1610:00 pm -
2 stops27h 00m
Deal found 10/7![Multiple Airlines logo]()
$598
This Mytrip deal was found by Cheapflights users on 10/10. 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.
Wed 12/23:40 pm -
2 stops21h 25m
Sat 12/126:10 am -
2 stops18h 50m
Deal found 10/10![Multiple Airlines logo]()
$616
This Booking.com deal was found by Cheapflights users on 10/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:40 pm -
2 stops21h 00m
Thu 11/125:55 am -
2 stops19h 05m
Deal found 10/10![Multiple Airlines logo]()
$644
This Mytrip deal was found by Cheapflights users on 10/10. 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.
Wed 11/43:40 pm -
2 stops21h 25m
Sun 11/810:05 pm -
2 stops26h 55m
Deal found 10/10![Multiple Airlines logo]()
$689
This Mytrip deal was found by Cheapflights users on 10/10. 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.
Fri 11/63:40 pm -
2 stops21h 25m
Sun 11/1510:05 pm -
2 stops26h 55m
Deal found 10/10![Multiple Airlines logo]()
$695
This oojo deal was found by Cheapflights users on 10/7. 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 11/93:40 pm -
1 stop14h 05m
Tue 11/171:55 pm -
1 stop35h 05m
Deal found 10/7![Icelandair logo]()
$706
This Orbitz deal was found by Cheapflights users on 10/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:38 am -
2 stops15h 17m
Wed 12/911:20 am -
2 stops36h 59m
Deal found 10/10![Air Canada logo]()
$716
This Gotogate deal was found by Cheapflights users on 10/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/174:15 pm -
1 stop13h 35m
Tue 11/246:00 am -
1 stop16h 35m
Deal found 10/11![Lufthansa logo]()
$719
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 October 12, 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 October 12, 2026.
This United Airlines deal was found by Cheapflights users on 10/11. 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.
Tue 3/25:00 am -
2 stops21h 30m
Fri 3/56:00 am -
1 stop14h 40m
Deal found 10/11![United Airlines logo]()
$705
This Orbitz deal was found by Cheapflights users on 10/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:38 am -
2 stops15h 17m
Wed 12/911:20 am -
2 stops36h 59m
Deal found 10/10![Air Canada logo]()
$716
This Delta deal was found by Cheapflights users on 10/8. 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.
Sun 3/146:30 am -
2 stops22h 05m
Fri 3/195:00 am -
2 stops24h 28m
Deal found 10/8![Delta logo]()
$716
This United deal was found by Cheapflights users on 10/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/194:15 pm -
1 stop13h 35m
Tue 1/264:15 pm -
1 stop28h 25m
Deal found 10/11![Multiple Airlines logo]()
$735
This KLM deal was found by Cheapflights users on 10/11. 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.
Thu 1/2810:30 am -
2 stops20h 20m
Thu 2/112:40 pm -
2 stops36h 20m
Deal found 10/11![KLM logo]()
$823
This Justfly.com deal was found by Cheapflights users on 10/12. 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.
Fri 1/154:15 pm -
1 stop13h 50m
Sun 1/2412:50 pm -
2 stops40h 29m
Deal found 10/12![Lufthansa logo]()
$881
This British Airways deal was found by Cheapflights users on 10/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/115:01 pm -
1 stop19h 09m
Thu 1/75:40 pm -
1 stop28h 30m
Deal found 10/8![British Airways logo]()
$983
This Turkish Airlines deal was found by Cheapflights users on 10/8. 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.
Sun 11/227:30 pm -
1 stop20h 55m
Sun 11/2911:35 am -
1 stop36h 50m
Deal found 10/8![Turkish Airlines logo]()
$1,016
This FlightHub deal was found by Cheapflights users on 10/7. 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 11/118:00 am -
2 stops32h 10m
Wed 11/186:10 pm -
2 stops35h 36m
Deal found 10/7![TAP AIR PORTUGAL logo]()
$1,038
This United Airlines deal was found by Cheapflights users on 10/11. 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.
Sat 2/65:11 pm -
2 stops31h 59m
Wed 2/1011:20 am -
2 stops41h 04m
Deal found 10/11![United Airlines logo]()
$726
This United deal was found by Cheapflights users on 10/12. 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.
Tue 4/67:30 am -
3 stops20h 00m
Tue 4/271:00 pm -
2 stops32h 36m
Deal found 10/12![Multiple Airlines logo]()
$789
This United Airlines deal was found by Cheapflights users on 10/12. 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 4/61:35 pm -
2 stops36h 45m
Tue 4/271:00 pm -
2 stops38h 09m
Deal found 10/12![United Airlines logo]()
$730
This Delta deal was found by Cheapflights users on 10/11. 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.
Fri 11/1311:36 am -
1 stop14h 24m
Fri 11/205:00 am -
2 stops22h 25m
Deal found 10/11![Delta logo]()
$813
This KLM deal was found by Cheapflights users on 10/11. 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.
Thu 1/2811:40 am -
2 stops19h 10m
Wed 2/1010:40 am -
2 stops35h 29m
Deal found 10/11![KLM logo]()
$823
This Ovago deal was found by Cheapflights users on 10/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:05 am -
1 stop18h 05m
Wed 11/185:00 am -
2 stops22h 30m
Deal found 10/9![Lufthansa logo]()
$887
This United deal was found by Cheapflights users on 10/8. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
1 stop21h 05m
Mon 11/92:20 pm -
1 stop31h 10m
Deal found 10/8![Multiple Airlines logo]()
$814
This Delta deal was found by Cheapflights users on 10/7. 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.
Fri 11/612:57 pm -
2 stops19h 13m
Tue 11/105:00 am -
2 stops25h 15m
Deal found 10/7![Delta logo]()
$817
This United Airlines deal was found by Cheapflights users on 10/11. 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.
Mon 11/92:10 pm -
1 stop13h 10m
Fri 11/206:00 am -
1 stop20h 05m
Deal found 10/11![United Airlines logo]()
$754
This KLM deal was found by Cheapflights users on 10/8. 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.
Fri 1/1512:20 pm -
2 stops18h 30m
Sun 1/242:40 pm -
2 stops31h 29m
Deal found 10/8![KLM logo]()
$873
This Delta deal was found by Cheapflights users on 10/8. 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.
Thu 1/1410:30 am -
2 stops17h 55m
Tue 1/195:00 am -
2 stops22h 00m
Deal found 10/8![Delta logo]()
$822
This Air Canada deal was found by Cheapflights users on 10/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:24 am -
3 stops16h 31m
Wed 12/211:20 am -
2 stops16h 29m
Deal found 10/11![Multiple Airlines logo]()
$859
This United Airlines deal was found by Cheapflights users on 10/10. 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.
Wed 12/21:47 pm -
1 stop12h 43m
Sat 12/126:00 am -
1 stop16h 35m
Deal found 10/10![United Airlines logo]()
$794
This Delta deal was found by Cheapflights users on 10/9. 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 12/136:10 am -
2 stops21h 25m
Wed 1/611:15 am -
2 stops40h 16m
Deal found 10/9![Delta logo]()
$863
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/11. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:05 pm -
2 stops29h 55m
Mon 11/1611:55 pm -
2 stops41h 28m
Deal found 10/11![TAP AIR PORTUGAL logo]()
$1,163
This United Airlines deal was found by Cheapflights users on 10/7. 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 11/71:40 pm -
2 stops37h 25m
Wed 11/1811:20 am -
2 stops32h 16m
Deal found 10/7![United Airlines logo]()
$800
This KAYAK deal was found by Cheapflights users on 10/7. 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.
Fri 11/611:50 am -
1 stop12h 30m
Fri 11/135:50 pm -
1 stop23h 57m
Deal found 10/7![Multiple Airlines logo]()
$882
This Delta deal was found by Cheapflights users on 10/12. 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 10/2811:07 am -
2 stops18h 13m
Mon 11/95:00 am -
2 stops22h 20m
Deal found 10/12![Delta logo]()
$867
This United Airlines deal was found by Cheapflights users on 10/7. 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 1/1611:20 am -
1 stop14h 20m
Sat 1/235:00 am -
1 stop15h 40m
Deal found 10/7![United Airlines logo]()
$855
This Delta deal was found by Cheapflights users on 10/7. 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.
Fri 10/307:05 am -
2 stops18h 10m
Sat 11/145:00 am -
2 stops22h 25m
Deal found 10/7![Delta logo]()
$910
This FlightHub deal was found by Cheapflights users on 10/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:40 pm -
1 stop11h 40m
Sat 11/145:20 pm -
2 stops25h 47m
Deal found 10/8![Multiple Airlines logo]()
$1,043
Last-minute flights from Colorado to PortugalDiscover last-minute flight deals from Colorado to Portugal. Data last updated October 12, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Portugal. Data last updated October 12, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 10/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:40 pm -
2 stops21h 00m
Thu 11/125:55 am -
2 stops19h 05m
Deal found 10/10![Multiple Airlines logo]()
$644
This Mytrip deal was found by Cheapflights users on 10/10. 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.
Wed 11/43:40 pm -
2 stops21h 25m
Sun 11/810:05 pm -
2 stops26h 55m
Deal found 10/10![Multiple Airlines logo]()
$689
This Booking.com deal was found by Cheapflights users on 10/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:40 pm -
1 stop14h 10m
Sun 11/82:00 pm -
1 stop35h 00m
Deal found 10/10![Icelandair logo]()
$711
This Mytrip deal was found by Cheapflights users on 10/7. 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.
Fri 11/63:40 pm -
2 stops21h 25m
Mon 11/1610:00 pm -
2 stops27h 00m
Deal found 10/7![Multiple Airlines logo]()
$598
This Mytrip deal was found by Cheapflights users on 10/10. 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.
Fri 11/63:40 pm -
2 stops21h 25m
Sun 11/1510:05 pm -
2 stops26h 55m
Deal found 10/10![Multiple Airlines logo]()
$695
This Gotogate deal was found by Cheapflights users on 10/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/84:15 pm -
1 stop13h 35m
Tue 11/246:00 am -
1 stop16h 35m
Deal found 10/8![Lufthansa logo]()
$723
This Mytrip deal was found by Cheapflights users on 10/7. 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 11/93:40 pm -
2 stops21h 00m
Mon 11/2310:00 pm -
2 stops27h 00m
Deal found 10/7![Multiple Airlines logo]()
$548
This Mytrip deal was found by Cheapflights users on 10/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:40 pm -
2 stops17h 00m
Sun 11/2210:05 pm -
2 stops26h 55m
Deal found 10/8![Multiple Airlines logo]()
$568
This oojo deal was found by Cheapflights users on 10/7. 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 11/93:40 pm -
1 stop14h 05m
Tue 11/171:55 pm -
1 stop35h 05m
Deal found 10/7![Icelandair logo]()
$706
This Mytrip deal was found by Cheapflights users on 10/9. 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.
Thu 11/123:40 pm -
2 stops21h 45m
Thu 11/195:55 am -
2 stops19h 05m
Deal found 10/9![Multiple Airlines logo]()
$557
This Gotogate deal was found by Cheapflights users on 10/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/174:15 pm -
1 stop13h 35m
Tue 11/246:00 am -
1 stop16h 35m
Deal found 10/11![Lufthansa logo]()
$719
This Gotogate deal was found by Cheapflights users on 10/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1711:25 am -
2 stops17h 40m
Tue 11/246:00 am -
1 stop16h 35m
Deal found 10/11![Multiple Airlines logo]()
$731
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 October 12, 2026.
Search for one-way flight options from Colorado to Portugal. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Sat 3/208:39 pm -
2 stops30h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![United Airlines logo]()
$335
This Booking.com deal was found by Cheapflights users on 10/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:40 pm -
2 stops21h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 10/10. 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.
Mon 11/303:40 pm -
2 stops34h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$359
This Orbitz deal was found by Cheapflights users on 10/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/91:30 pm -
1 stop12h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Air Canada logo]()
$360
This Cheapflightsfares deal was found by Cheapflights users on 10/12. 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.
Mon 1/115:01 pm -
1 stop21h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![British Airways logo]()
$365
This Justfly.com deal was found by Cheapflights users on 10/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/611:21 am -
2 stops38h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Air Canada logo]()
$369
This British Airways deal was found by Cheapflights users on 10/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/85:01 pm -
1 stop36h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![British Airways logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 10/10. 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.
Tue 12/13:40 pm -
2 stops37h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$372
This Expedia deal was found by Cheapflights users on 10/7. 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 2/155:01 pm -
2 stops23h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Iberia logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 10/319:10 pm -
3 stops35h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$386
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Sat 3/611:50 pm -
1 stop27h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![United Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 10/11. 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.
Sun 10/254:40 pm -
3 stops44h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines logo]()
$441
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 October 12, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $548 (Mytrip) |
One-way from | $335 (United Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $944 |
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 7,457,451 searches. Data last updated October 12, 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
DenverPorto
DEN Denver Intl - OPO Porto
DENOPO
Denver Intl
Sat 3/20
8:39 pm-9:30 am
2 stops30h 51m
Porto
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$335
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Mon 2/15
4:15 pm-1:30 pm
1 stop14h 15m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$359
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Mon 2/8
5:01 pm-12:05 pm
1 stop36h 04m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$371
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Mon 2/15
5:01 pm-11:25 pm
2 stops23h 24m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$373
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Sat 3/6
11:50 pm-10:05 am
1 stop27h 15m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$388
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Sat 2/27
5:01 pm-2:55 pm
1 stop14h 54m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$421
DenverPorto
DEN Denver Intl - OPO Porto
DENOPO
Denver Intl
Sun 10/25
4:40 pm-6:55 pm
3 stops44h 15m
Porto
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$441
DenverPorto
DEN Denver Intl - OPO Porto
DENOPO
Denver Intl
Sun 11/1
9:00 am-8:35 pm
3 stops28h 35m
Porto
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$454
DenverPorto
DEN Denver Intl - OPO Porto
DENOPO
Denver Intl
Sat 10/17
7:02 pm-7:10 am
3 stops53h 08m
Porto
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$463
DenverPorto
DEN Denver Intl - OPO Porto
DENOPO
Denver Intl
Mon 10/19
4:40 pm-1:25 pm
3 stops37h 45m
Porto
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$478
Showing 1-10 of 53 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-OPO
DEN-LIS
DEN-PDL
DEN-FNC
COS-LIS
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-OPO
DEN-LIS
DEN-PDL
DEN-FNC
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 $638). Flying from Colorado to Portugal in June is currently the most expensive (average of $1,344). 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 26 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 October 12, 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 7,457,451 searches. Data last updated October 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$464 | Average$715 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$485 | Average$979 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$489 | Average$1,054 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$551 | Average$908 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$575 | Average$691 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$598 | Average$877 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$620 | Average$1,047 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$630 | Average$776 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$640 | Average$779 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$663 | Average$1,060 | FlexibilityNo cancel fee | On-time67% |