$309+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Dec 10 — Dec 171
Round-trip
1 adult, Economy
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Find cheap flights from Colorado to Portugal with Cheapflights
1. Tell us where you want to go
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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 November 10, 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 November 10, 2026.
This Mytrip deal was found by Cheapflights users on 11/7. 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.
Sat 12/51:30 pm -
2 stops23h 40m
Sat 12/127:50 pm -
2 stops28h 00m
Deal found 11/7![Multiple Airlines logo]()
$567
This Mytrip deal was found by Cheapflights users on 11/7. 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 12/73:40 pm -
1 stop14h 05m
Tue 12/2211:40 am -
1 stop13h 20m
Deal found 11/7![Icelandair logo]()
$567
This Mytrip deal was found by Cheapflights users on 11/5. 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 11/303:40 pm -
2 stops17h 00m
Mon 12/710:00 pm -
2 stops27h 00m
Deal found 11/5![Multiple Airlines logo]()
$598
This Mytrip deal was found by Cheapflights users on 11/8. 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.
Fri 11/271:30 pm -
2 stops23h 35m
Fri 12/48:50 pm -
3 stops30h 37m
Deal found 11/8![Multiple Airlines logo]()
$608
This Mytrip deal was found by Cheapflights users on 11/5. 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 10m
Thu 12/105:55 am -
2 stops19h 05m
Deal found 11/5![Multiple Airlines logo]()
$630
This Trip.com deal was found by Cheapflights users on 11/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:40 pm -
1 stop14h 10m
Tue 12/11:55 pm -
1 stop35h 05m
Deal found 11/7![Icelandair logo]()
$719
This Gotogate deal was found by Cheapflights users on 11/9. 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.
Sun 12/275:40 pm -
1 stop32h 40m
Thu 1/145:00 am -
1 stop17h 35m
Deal found 11/9![Multiple Airlines logo]()
$750
This Gotogate deal was found by Cheapflights users on 11/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/64:15 pm -
1 stop13h 35m
Mon 12/211:45 pm -
1 stop31h 45m
Deal found 11/7![Lufthansa logo]()
$751
This Gotogate deal was found by Cheapflights users on 11/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/71:30 pm -
2 stops14h 10m
Tue 12/226:05 am -
1 stop15h 25m
Deal found 11/7![Multiple Airlines logo]()
$751
This Gotogate deal was found by Cheapflights users on 11/9. 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.
Mon 12/711:25 am -
1 stop16h 15m
Mon 12/142:20 pm -
1 stop31h 10m
Deal found 11/9![Multiple Airlines logo]()
$757
This United deal was found by Cheapflights users on 11/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/67:45 am -
2 stops18h 45m
Mon 12/211:45 pm -
1 stop31h 45m
Deal found 11/7![Multiple Airlines logo]()
$758
This Gotogate deal was found by Cheapflights users on 11/9. 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.
Thu 12/314:15 pm -
1 stop24h 40m
Fri 1/296:00 am -
2 stops35h 35m
Deal found 11/9![Multiple Airlines logo]()
$796
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 November 10, 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 November 10, 2026.
This Delta deal was found by Cheapflights users on 11/8. 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 3/26:05 am -
2 stops21h 30m
Fri 3/55:00 am -
2 stops21h 47m
Deal found 11/8![Delta logo]()
$727
This United Airlines deal was found by Cheapflights users on 11/6. 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 4/138:00 am -
3 stops19h 30m
Fri 4/2311:25 am -
2 stops37h 40m
Deal found 11/6![United Airlines logo]()
$728
This Mytrip deal was found by Cheapflights users on 11/6. 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.
Sat 12/51:30 pm -
3 stops24h 50m
Sun 12/132:30 pm -
3 stops33h 20m
Deal found 11/6![Multiple Airlines logo]()
$807
This KLM deal was found by Cheapflights users on 11/5. 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.
Tue 1/51:00 pm -
1 stop12h 00m
Sun 1/175:00 am -
2 stops19h 16m
Deal found 11/5![KLM logo]()
$828
This Turkish Airlines deal was found by Cheapflights users on 11/5. 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 4/38:25 pm -
1 stop20h 10m
Sat 4/106:00 am -
1 stop19h 20m
Deal found 11/5![Turkish Airlines logo]()
$852
This British Airways deal was found by Cheapflights users on 11/5. 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 12/75:01 pm -
1 stop34h 29m
Wed 12/236:45 pm -
1 stop27h 25m
Deal found 11/5![British Airways logo]()
$923
This Globehunters deal was found by Cheapflights users on 11/10. 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 Globehunters 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 -
1 stop32h 40m
Deal found 11/10![Lufthansa logo]()
$1,034
This Scandinavian Airlines deal was found by Cheapflights users on 11/5. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/136:30 am -
3 stops26h 05m
Thu 4/227:00 am -
2 stops20h 34m
Deal found 11/5![Scandinavian Airlines logo]()
$1,050
This TAP AIR PORTUGAL deal was found by Cheapflights users on 11/7. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2312:30 pm -
2 stops23h 05m
Fri 4/305:50 am -
2 stops22h 47m
Deal found 11/7![TAP AIR PORTUGAL logo]()
$1,107
This Icelandair deal was found by Cheapflights users on 11/9. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/144:40 pm -
1 stop14h 10m
Sun 4/187:15 am -
2 stops18h 45m
Deal found 11/9![Icelandair logo]()
$1,194
This Gotogate deal was found by Cheapflights users on 11/6. 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 12/216:31 pm -
2 stops31h 49m
Mon 12/2811:20 am -
2 stops52h 22m
Deal found 11/6![Air Canada logo]()
$1,324
This Delta deal was found by Cheapflights users on 11/9. 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 3/146:30 am -
2 stops22h 05m
Fri 3/195:00 am -
2 stops24h 28m
Deal found 11/9![Delta logo]()
$727
This United Airlines deal was found by Cheapflights users on 11/5. 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 3/15:45 am -
2 stops21h 55m
Wed 3/311:20 am -
2 stops37h 21m
Deal found 11/5![United Airlines logo]()
$736
This United Airlines deal was found by Cheapflights users on 11/5. 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 4/128:00 am -
2 stops18h 20m
Wed 4/215:05 am -
2 stops22h 00m
Deal found 11/5![United Airlines logo]()
$738
This United deal was found by Cheapflights users on 11/6. 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 12/79:00 am -
2 stops18h 40m
Mon 12/145:00 am -
2 stops21h 51m
Deal found 11/6![Multiple Airlines logo]()
$850
This Delta deal was found by Cheapflights users on 11/5. 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 4/184:00 pm -
2 stops19h 20m
Sun 4/255:55 am -
2 stops18h 50m
Deal found 11/5![Delta logo]()
$786
This Turkish Airlines deal was found by Cheapflights users on 11/5. 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.
Mon 11/307:30 pm -
1 stop32h 05m
Mon 12/285:55 am -
1 stop18h 30m
Deal found 11/5![Turkish Airlines logo]()
$876
This United Airlines deal was found by Cheapflights users on 11/5. 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 4/138:00 am -
2 stops18h 20m
Thu 4/225:05 am -
2 stops18h 44m
Deal found 11/5![United Airlines logo]()
$738
This KLM deal was found by Cheapflights users on 11/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/256:25 pm -
2 stops40h 00m
Thu 5/68:05 pm -
2 stops30h 55m
Deal found 11/9![KLM logo]()
$904
This United Airlines deal was found by Cheapflights users on 11/5. 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 4/128:00 am -
2 stops18h 20m
Tue 4/205:05 am -
2 stops22h 00m
Deal found 11/5![United Airlines logo]()
$738
This Cheapflightsfares deal was found by Cheapflights users on 11/9. 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.
Fri 2/1210:34 am -
2 stops22h 31m
Sat 2/206:30 am -
2 stops22h 57m
Deal found 11/9![Iberia logo]()
$2,085
This KLM deal was found by Cheapflights users on 11/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2311:31 am -
2 stops19h 19m
Fri 3/58:10 pm -
2 stops30h 14m
Deal found 11/7![KLM logo]()
$949
This Expedia deal was found by Cheapflights users on 11/8. 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.
Sat 4/171:30 pm -
2 stops35h 50m
Fri 4/234:00 pm -
1 stop29h 15m
Deal found 11/8![Multiple Airlines logo]()
$993
This Orbitz deal was found by Cheapflights users on 11/6. 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.
Sun 12/62:38 pm -
2 stops35h 37m
Sun 12/137:25 pm -
2 stops33h 02m
Deal found 11/6![TAP AIR PORTUGAL logo]()
$1,108
This United Airlines deal was found by Cheapflights users on 11/8. 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 4/1811:50 pm -
2 stops26h 55m
Sun 4/256:00 am -
1 stop16h 40m
Deal found 11/8![United Airlines logo]()
$767
This Delta deal was found by Cheapflights users on 11/8. 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.
Sat 4/176:30 am -
1 stop18h 30m
Sat 4/245:00 am -
2 stops25h 00m
Deal found 11/8![Delta logo]()
$967
This FlightHub deal was found by Cheapflights users on 11/5. 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.
Fri 4/235:40 pm -
1 stop15h 35m
Fri 4/303:40 pm -
2 stops37h 06m
Deal found 11/5![Lufthansa logo]()
$1,206
This Scandinavian Airlines deal was found by Cheapflights users on 11/9. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2411:55 am -
3 stops27h 05m
Thu 3/115:00 am -
3 stops25h 00m
Deal found 11/9![Scandinavian Airlines logo]()
$1,208
This KLM deal was found by Cheapflights users on 11/8. 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.
Sat 3/2012:20 pm -
2 stops19h 30m
Fri 3/268:10 pm -
2 stops30h 24m
Deal found 11/8![KLM logo]()
$999
This United Airlines deal was found by Cheapflights users on 11/6. 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 4/138:00 am -
2 stops18h 20m
Sun 4/1811:25 am -
2 stops37h 40m
Deal found 11/6![United Airlines logo]()
$781
Last-minute flights from Colorado to PortugalDiscover last-minute flight deals from Colorado to Portugal. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Portugal. Data last updated November 10, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 11/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:40 pm -
1 stop14h 10m
Tue 12/11:55 pm -
1 stop35h 05m
Deal found 11/7![Icelandair logo]()
$719
This Mytrip deal was found by Cheapflights users on 11/8. 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.
Fri 11/271:30 pm -
2 stops23h 35m
Fri 12/48:50 pm -
3 stops30h 37m
Deal found 11/8![Multiple Airlines logo]()
$608
This Mytrip deal was found by Cheapflights users on 11/5. 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 11/303:40 pm -
2 stops17h 00m
Mon 12/710:00 pm -
2 stops27h 00m
Deal found 11/5![Multiple Airlines logo]()
$598
This Mytrip deal was found by Cheapflights users on 11/5. 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 10m
Thu 12/105:55 am -
2 stops19h 05m
Deal found 11/5![Multiple Airlines logo]()
$630
This Mytrip deal was found by Cheapflights users on 11/7. 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.
Sat 12/51:30 pm -
2 stops23h 40m
Sat 12/127:50 pm -
2 stops28h 00m
Deal found 11/7![Multiple Airlines logo]()
$567
This Gotogate deal was found by Cheapflights users on 11/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/64:15 pm -
1 stop13h 35m
Mon 12/211:45 pm -
1 stop31h 45m
Deal found 11/7![Lufthansa logo]()
$751
This United deal was found by Cheapflights users on 11/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/67:45 am -
2 stops18h 45m
Mon 12/211:45 pm -
1 stop31h 45m
Deal found 11/7![Multiple Airlines logo]()
$758
This Mytrip deal was found by Cheapflights users on 11/7. 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 12/73:40 pm -
1 stop14h 05m
Tue 12/2211:40 am -
1 stop13h 20m
Deal found 11/7![Icelandair logo]()
$567
This Gotogate deal was found by Cheapflights users on 11/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/71:30 pm -
2 stops14h 10m
Tue 12/226:05 am -
1 stop15h 25m
Deal found 11/7![Multiple Airlines logo]()
$751
This Gotogate deal was found by Cheapflights users on 11/9. 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.
Mon 12/711:25 am -
1 stop16h 15m
Mon 12/142:20 pm -
1 stop31h 10m
Deal found 11/9![Multiple Airlines logo]()
$757
This Gotogate deal was found by Cheapflights users on 11/9. 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.
Sun 12/275:40 pm -
1 stop32h 40m
Thu 1/145:00 am -
1 stop17h 35m
Deal found 11/9![Multiple Airlines logo]()
$750
This Gotogate deal was found by Cheapflights users on 11/9. 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.
Thu 12/314:15 pm -
1 stop24h 40m
Fri 1/296:00 am -
2 stops35h 35m
Deal found 11/9![Multiple Airlines logo]()
$796
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 November 10, 2026.
Search for one-way flight options from Colorado to Portugal. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 1/183:40 pm -
3 stops46h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 1/203:40 pm -
3 stops39h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 1/1910:36 pm -
3 stops39h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 11/7. 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.
Mon 11/163:40 pm -
3 stops45h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$324
This Expedia deal was found by Cheapflights users on 11/6. 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 4/611:25 am -
2 stops41h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$329
This Expedia deal was found by Cheapflights users on 11/5. 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.
Wed 3/35:02 pm -
2 stops23h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Lufthansa logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 4/124:40 pm -
2 stops33h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 3/33:40 pm -
3 stops23h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 1/223:40 pm -
2 stops21h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$361
This Ovago deal was found by Cheapflights users on 11/5. 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.
Wed 3/311:15 am -
1 stop15h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Brussels Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 11/8. 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.
Tue 4/134:40 pm -
2 stops21h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$364
This Booking.com deal was found by Cheapflights users on 11/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2211:25 am -
1 stop16h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$365
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 November 10, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $567 (Mytrip) |
One-way from | $309 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $813 |
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 November 10, 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
Wed 3/3
5:02 pm-11:30 pm
2 stops23h 28m
Porto
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$331
DenverPorto
DEN Denver Intl - OPO Porto
DENOPO
Denver Intl
Wed 3/3
3:40 pm-10:25 pm
3 stops23h 45m
Porto
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$348
DenverPorto
DEN Denver Intl - OPO Porto
DENOPO
Denver Intl
Wed 3/3
11:15 am-9:30 am
1 stop15h 15m
Porto
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$364
DenverFaro
DEN Denver Intl - FAO Faro
DENFAO
Denver Intl
Wed 3/10
3:40 pm-8:25 pm
3 stops45h 45m
Faro
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$391
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
$393
DenverPorto
DEN Denver Intl - OPO Porto
DENOPO
Denver Intl
Tue 4/6
4:00 pm-11:25 pm
1 stop24h 25m
Porto
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$401
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Fri 4/30
6:40 pm-11:10 pm
1 stop21h 30m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$419
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Thu 4/15
6:40 pm-6:10 pm
1 stop16h 30m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$427
DenverPorto
DEN Denver Intl - OPO Porto
DENOPO
Denver Intl
Tue 4/6
4:00 pm-8:00 am
3 stops33h 00m
Porto
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$440
DenverFaro
DEN Denver Intl - FAO Faro
DENFAO
Denver Intl
Thu 3/11
3:40 pm-7:45 pm
3 stops45h 05m
Faro
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$470
Showing 1-10 of 57 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-FAO
DEN-PDL
EGE-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-FAO
DEN-PDL
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 $1,334). 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 17 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 November 10, 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 November 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$464 | Average$715 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$485 | Average$1,016 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$489 | Average$1,087 | 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$886 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$630 | Average$776 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$651 | Average$786 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$686 | Average$1,047 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$700 | Average$1,062 | FlexibilityNo cancel fee | On-time67% |