$263+ Cheap flights from Denver (DEN) 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Oct 22 — Oct 291
Round-trip
1 adult, Economy
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Find cheap flights from Denver to Portugal with Cheapflights
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Cheapest flights from Denver to PortugalExplore the most affordable flight options available from Denver to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.
Explore the most affordable flight options available from Denver to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.
This Mytrip deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/314:40 pm -
1 stop14h 10m
Sun 11/152:00 pm -
1 stop35h 00m
Deal found 9/19![Icelandair logo]()
$519
This Gotogate deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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
Sun 11/152:00 pm -
1 stop35h 00m
Deal found 9/18![Icelandair logo]()
$525
This oojo deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10m
Tue 11/172:00 pm -
1 stop35h 00m
Deal found 9/19![Icelandair logo]()
$527
This oojo deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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.
Wed 11/43:40 pm -
1 stop14h 10m
Thu 11/122:00 pm -
1 stop35h 00m
Deal found 9/18![Icelandair logo]()
$528
This oojo deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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.
Wed 11/43:40 pm -
1 stop14h 10m
Tue 11/242:00 pm -
1 stop35h 00m
Deal found 9/18![Icelandair logo]()
$529
This FlightHub deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/43:40 pm -
1 stop14h 10m
Tue 11/102:00 pm -
1 stop35h 00m
Deal found 9/20![Icelandair logo]()
$538
This Justfly.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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.
Wed 11/43:40 pm -
1 stop14h 10m
Thu 11/192:00 pm -
1 stop35h 00m
Deal found 9/18![Icelandair logo]()
$539
This oojo deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/23:40 pm -
1 stop14h 10m
Thu 11/122:00 pm -
1 stop35h 00m
Deal found 9/20![Icelandair logo]()
$540
This FlightHub deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/43:40 pm -
1 stop14h 10m
Sun 11/82:00 pm -
1 stop35h 00m
Deal found 9/20![Icelandair logo]()
$551
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/23:40 pm -
1 stop14h 10m
Tue 11/103:00 pm -
1 stop34h 00m
Deal found 9/20![Icelandair logo]()
$560
This Expedia deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 12/19:03 am -
2 stops19h 42m
Wed 12/912:25 pm -
2 stops26h 44m
Deal found 9/20![Iberia logo]()
$563
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 11/811:59 pm -
1 stop26h 31m
Tue 11/2412:35 pm -
2 stops26h 44m
Deal found 9/21![United Airlines logo]()
$567
Best flights from Denver to PortugalDiscover carefully curated flight deals from Denver to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.
Discover carefully curated flight deals from Denver to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 11/811:59 pm -
1 stop26h 31m
Tue 11/2412:35 pm -
2 stops26h 44m
Deal found 9/21![United Airlines logo]()
$567
This Finnair deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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.
Mon 3/15:01 pm -
1 stop17h 34m
Wed 3/1012:25 pm -
2 stops26h 47m
Deal found 9/18![Multiple Airlines logo]()
$581
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 3/911:10 am -
2 stops17h 15m
Wed 3/1711:15 am -
2 stops16h 25m
Deal found 9/22![Delta logo]()
$624
This British Airways deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/126:35 pm -
1 stop14h 10m
Wed 12/93:50 pm -
1 stop30h 20m
Deal found 9/20![British Airways logo]()
$678
This KLM deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/115:07 pm -
2 stops41h 03m
Wed 11/1810:25 am -
2 stops37h 45m
Deal found 9/19![KLM logo]()
$694
This oojo deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 12/75:25 pm -
2 stops36h 55m
Wed 12/232:10 pm -
1 stop31h 20m
Deal found 9/17![Lufthansa logo]()
$869
This Finnair deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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.
Wed 10/710:39 am -
2 stops22h 11m
Wed 10/284:10 pm -
2 stops35h 37m
Deal found 9/21![Finnair logo]()
$945
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/512:05 pm -
2 stops25h 10m
Thu 11/123:10 pm -
2 stops24h 18m
Deal found 9/20![TAP AIR PORTUGAL logo]()
$1,070
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 3/17:45 am -
1 stop18h 45m
Wed 3/1012:35 pm -
1 stop15h 50m
Deal found 9/18![United Airlines logo]()
$580
This Air Canada deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/711:25 am -
2 stops21h 15m
Wed 12/236:05 am -
3 stops24h 15m
Deal found 9/17![Air Canada logo]()
$1,281
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 3/107:32 am -
2 stops18h 58m
Wed 3/1712:35 pm -
1 stop14h 50m
Deal found 9/22![United Airlines logo]()
$585
This British Airways deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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.
Sat 2/1312:17 pm -
2 stops16h 48m
Sat 2/206:45 pm -
2 stops20h 27m
Deal found 9/18![Multiple Airlines logo]()
$699
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/105:40 pm -
1 stop17h 10m
Fri 12/1110:00 am -
2 stops19h 11m
Deal found 9/20![Delta logo]()
$754
This British Airways deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 12/145:01 pm -
1 stop36h 04m
Mon 1/1110:40 am -
1 stop35h 30m
Deal found 9/19![British Airways logo]()
$761
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 11/16:00 am -
2 stops19h 10m
Sun 11/85:55 am -
1 stop15h 35m
Deal found 9/17![United Airlines logo]()
$645
This Mytrip deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 11/13:40 pm -
3 stops33h 50m
Sun 11/85:40 pm -
3 stops31h 20m
Deal found 9/17![Multiple Airlines logo]()
$720
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 3/101:45 pm -
1 stop12h 45m
Tue 3/1612:35 pm -
2 stops17h 20m
Deal found 9/22![United Airlines logo]()
$661
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 12/1511:41 am -
1 stop14h 19m
Mon 1/115:00 am -
2 stops22h 31m
Deal found 9/19![Delta logo]()
$826
This KLM deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 3/1012:00 pm -
2 stops16h 20m
Thu 3/1810:00 am -
1 stop16h 34m
Deal found 9/22![Multiple Airlines logo]()
$759
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 3/211:30 am -
1 stop15h 00m
Fri 3/56:00 am -
1 stop14h 40m
Deal found 9/20![United Airlines logo]()
$712
This Mytrip deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 10/2410:55 pm -
2 stops30h 40m
Thu 10/2912:35 pm -
2 stops35h 28m
Deal found 9/17![Multiple Airlines logo]()
$787
This British Airways deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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.
Sat 3/65:01 pm -
1 stop34h 44m
Tue 4/133:40 pm -
1 stop31h 50m
Deal found 9/18![British Airways logo]()
$981
This FlightHub deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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.
Tue 12/11:01 pm -
2 stops39h 59m
Tue 12/811:50 am -
2 stops40h 37m
Deal found 9/21![TAP AIR PORTUGAL logo]()
$1,108
This Mytrip deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 11/21:30 pm -
2 stops22h 25m
Mon 11/92:55 pm -
3 stops29h 35m
Deal found 9/18![Multiple Airlines logo]()
$799
This oojo deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/263:30 pm -
2 stops38h 30m
Mon 11/912:35 pm -
2 stops39h 01m
Deal found 9/21![TAP AIR PORTUGAL logo]()
$1,113
This Lufthansa deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/23:55 pm -
1 stop23h 30m
Sun 2/146:00 am -
2 stops22h 31m
Deal found 9/20![Lufthansa logo]()
$1,232
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 3/911:35 am -
2 stops15h 30m
Wed 3/175:00 am -
1 stop15h 25m
Deal found 9/22![United Airlines logo]()
$808
This Cheapflightsfares deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 2/12:02 pm -
2 stops22h 33m
Mon 2/86:30 am -
2 stops20h 55m
Deal found 9/17![TAP AIR PORTUGAL logo]()
$1,127
This FlightHub deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 10/319:30 pm -
2 stops30h 50m
Sun 11/2912:50 pm -
1 stop32h 40m
Deal found 9/17![Lufthansa logo]()
$1,282
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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.
Mon 11/1612:40 pm -
2 stops40h 20m
Mon 11/2312:35 pm -
2 stops41h 00m
Deal found 9/22![TAP AIR PORTUGAL logo]()
$1,134
Last-minute flights from Denver to PortugalDiscover last-minute flight deals from Denver to Portugal. Data last updated September 22, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Portugal. Data last updated September 22, 2026 and is based on user searches.
This Iberia deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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.
Wed 10/146:35 pm -
1 stop21h 40m
Wed 11/48:45 pm -
2 stops20h 02m
Deal found 9/17![Multiple Airlines logo]()
$582
This Cheapflightsfares deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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.
Wed 10/146:35 pm -
1 stop21h 40m
Wed 11/47:05 am -
1 stop15h 05m
Deal found 9/17![British Airways logo]()
$595
This Finnair deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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.
Wed 10/1410:39 am -
2 stops22h 11m
Wed 11/44:10 pm -
2 stops34h 43m
Deal found 9/17![Finnair logo]()
$598
This Booking.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/196:35 pm -
1 stop18h 30m
Wed 11/48:40 pm -
2 stops24h 38m
Deal found 9/21![British Airways logo]()
$571
This American Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:03 am -
2 stops19h 42m
Wed 11/48:40 pm -
2 stops18h 29m
Deal found 9/17![American Airlines logo]()
$581
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 10/2012:15 pm -
1 stop15h 15m
Wed 11/45:00 am -
2 stops21h 34m
Deal found 9/17![Delta logo]()
$590
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 10/246:05 pm -
1 stop33h 15m
Thu 11/56:05 am -
1 stop15h 25m
Deal found 9/22![United Airlines logo]()
$594
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 10/256:05 am -
1 stop20h 05m
Fri 11/66:00 am -
1 stop15h 30m
Deal found 9/22![United Airlines logo]()
$591
This Expedia deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/256:46 am -
2 stops23h 04m
Thu 11/56:30 am -
2 stops23h 24m
Deal found 9/20![Iberia logo]()
$597
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/2611:25 am -
1 stop16h 45m
Thu 11/56:05 am -
1 stop20h 00m
Deal found 9/21![United Airlines logo]()
$589
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/2611:25 am -
1 stop16h 45m
Wed 11/410:15 am -
2 stops19h 29m
Deal found 9/21![United Airlines logo]()
$599
This Mytrip deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/314:40 pm -
1 stop14h 10m
Sun 11/152:00 pm -
1 stop35h 00m
Deal found 9/19![Icelandair logo]()
$519
One-way flights from Denver to PortugalSearch for one-way flight options from Denver to Portugal. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
Search for one-way flight options from Denver to Portugal. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 -
2 stops33h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/294:40 pm -
3 stops46h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 stops42h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 12/29:00 am -
3 stops45h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$304
This Trip.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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.
Sat 1/93:40 pm -
2 stops18h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:40 pm -
3 stops42h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/123:40 pm -
3 stops46h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/153:40 pm -
3 stops44h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/273:40 pm -
2 stops34h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 -
3 stops35h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$313
This Mytrip deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 3/14:15 pm -
1 stop13h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Lufthansa logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/2210:44 pm -
3 stops41h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$327
Find flight deals from Denver to Portugal
Keep the following information in mind while searching for Denver to Portugal flight deals. Data was last updated September 22, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $519 (Mytrip) |
One-way from | $263 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,040 |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver 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 September 22, 2026.
Use the filters below to find and compare flights from Denver to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverFunchal
DEN Denver Intl - FNC Funchal Madeira
DENFNC
Denver Intl
Thu 10/22
10:44 pm-11:40 pm
3 stops41h 56m
Funchal Madeira
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$327
DenverPorto
DEN Denver Intl - OPO Porto
DENOPO
Denver Intl
Mon 3/1
3:40 pm-9:15 pm
3 stops22h 35m
Porto
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$348
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Tue 12/29
5:50 am-8:10 am
2 stops19h 20m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$376
DenverFaro
DEN Denver Intl - FAO Faro
DENFAO
Denver Intl
Mon 10/5
6:10 pm-1:50 pm
2 stops36h 40m
Faro
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$405
DenverFaro
DEN Denver Intl - FAO Faro
DENFAO
Denver Intl
Fri 1/1
4:15 pm-12:00 pm
1 stop36h 45m
Faro
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$424
DenverFaro
DEN Denver Intl - FAO Faro
DENFAO
Denver Intl
Fri 1/1
1:30 pm-12:00 pm
2 stops39h 30m
Faro
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$432
Quickest round-trip
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Wed 10/28
4:40 pm-12:50 pm
1 stop14h 10m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$438
DenverFunchal
DEN Denver Intl - FNC Funchal Madeira
DENFNC
Denver Intl
Fri 10/2
4:40 pm-12:55 am
3 stops49h 15m
Funchal Madeira
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$450
DenverPonta Delgada
DEN Denver Intl - PDL Ponta Delgada Nordela
DENPDL
Denver Intl
Thu 12/31
10:40 pm-6:20 am
1 stop25h 40m
Ponta Delgada Nordela
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$463
DenverPonta Delgada
DEN Denver Intl - PDL Ponta Delgada Nordela
DENPDL
Denver Intl
Fri 1/1
10:40 pm-6:20 am
1 stop25h 40m
Ponta Delgada Nordela
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$463
Showing 1-10 of 59 resultsSorted by cheapest first
Best time to book a flight from Denver to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Denver with our price prediction graph.
DEN-OPO
DEN-LIS
DEN-FNC
DEN-FAO
DEN-TER
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 Denver to Portugal
DEN-PT0
DEN-OPO
DEN-LIS
DEN-FNC
DEN-FAO
What is the cheapest month to book a flight from Denver to Portugal?
Currently, February is the cheapest month in which you can book a flight from Denver to Portugal (average of $638). Flying from Denver to Portugal in June is currently the most expensive (average of $1,331). 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 Denver to Portugal?
The price you pay for your flight from Denver to Portugal may vary depending on when you book. For the best chance of a lower fare, look to book 26 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Portugal
Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated September 22, 2026.
See what other customers who have flown with Turkish Airlines,United Airlines, andAir Canada from Denver to Portugal have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Food
7.5
Comfort
7.3
Crew
7.8
Boarding
7.3
Overall
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Sep 2026
LAX - IST
Entertainment
7.5
Food
7.5
Comfort
7.3
Crew
7.8
Boarding
7.3
Overall
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Sep 2026
LAX - IST
Entertainment
7.5
Food
7.5
Comfort
7.3
Crew
7.8
Boarding
7.3
Overall
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Sep 2026
LAX - IST
Entertainment
7.5
Food
7.5
Comfort
7.3
Crew
7.8
Boarding
7.3
Overall
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Sep 2026
LAX - IST
Entertainment
7.5
Food
7.5
Comfort
7.3
Crew
7.8
Boarding
7.3
Overall
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Sep 2026
LAX - IST
Entertainment
7.5
Food
7.5
Comfort
7.3
Crew
7.8
Boarding
7.3
Overall
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Sep 2026
LAX - IST
Related info for your journey
Find useful and relevant information for your journey from Denver to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Denver 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 Denver to Portugal by cabin class
Find flights from Denver to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Denver and Portugal flights
Browse other Denver and Portugal flight options. Last updated on September 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Denver to Portugal flights
Consider these flights traveling from Denver to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 10 airlines flying from Denver to Portugal
Discover the top 10 airlines that operate flights from Denver 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 September 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$464 | Average$739 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$485 | Average$979 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$551 | Average$908 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$575 | Average$1,136 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$575 | Average$691 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$575 | Average$746 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$620 | Average$1,047 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$632 | Average$887 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$635 | Average$773 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$700 | Average$1,069 | FlexibilityNo cancel fee | On-time67% |