$279+ Cheap flights from Denver (DEN) to Portugal
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Sep 4 — Sep 111
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 August 5, 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 August 5, 2026.
This FlightHub deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 11/143:40 pm -
1 stop14h 10m
Thu 11/192:00 pm -
1 stop35h 00m
Deal found 8/3![Icelandair logo]()
$689
This Expedia deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 11/104:15 pm -
1 stop13h 35m
Tue 11/1712:05 pm -
2 stops39h 22m
Deal found 8/2![Multiple Airlines logo]()
$694
This Expedia deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:15 pm -
1 stop13h 35m
Mon 11/161:45 pm -
1 stop31h 45m
Deal found 8/2![Lufthansa logo]()
$700
This Expedia deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:20 am -
2 stops18h 30m
Mon 11/161:45 pm -
1 stop31h 45m
Deal found 8/2![Multiple Airlines logo]()
$704
This Expedia deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:15 pm -
1 stop14h 15m
Fri 11/65:00 am -
1 stop17h 35m
Deal found 8/2![Lufthansa logo]()
$705
This Expedia deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:01 pm -
2 stops15h 59m
Mon 11/168:40 pm -
2 stops18h 29m
Deal found 8/2![Iberia logo]()
$706
This Trip.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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
Sun 12/62:00 pm -
1 stop35h 00m
Deal found 8/3![Icelandair logo]()
$707
This Expedia deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 11/104:15 pm -
1 stop13h 35m
Tue 11/1712:35 pm -
1 stop34h 00m
Deal found 8/2![Lufthansa logo]()
$708
This oojo deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 11/24:15 pm -
1 stop13h 35m
Wed 11/114:10 pm -
1 stop30h 25m
Deal found 8/4![Lufthansa logo]()
$716
This Justfly.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 10/214:40 pm -
1 stop14h 10m
Tue 11/32:00 pm -
1 stop35h 00m
Deal found 8/4![Icelandair logo]()
$719
This Gotogate deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:20 am -
2 stops16h 00m
Fri 11/65:00 am -
1 stop17h 35m
Deal found 8/2![Multiple Airlines logo]()
$720
This United Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:25 am -
1 stop14h 55m
Wed 11/45:00 am -
1 stop15h 40m
Deal found 8/3![United Airlines logo]()
$722
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 August 5, 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 August 5, 2026.
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:40 pm -
1 stop17h 10m
Wed 9/305:00 am -
2 stops21h 40m
Deal found 8/3![Delta logo]()
$795
This British Airways deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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.
Sun 11/85:01 pm -
1 stop17h 44m
Sat 11/146:40 pm -
1 stop27h 30m
Deal found 8/2![British Airways logo]()
$799
This KLM deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:18 pm -
2 stops41h 52m
Wed 11/1810:25 am -
2 stops37h 48m
Deal found 7/31![KLM logo]()
$800
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 12/911:20 am -
1 stop12h 35m
Sun 12/1312:20 pm -
2 stops16h 11m
Deal found 8/4![United Airlines logo]()
$830
This Turkish Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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.
Tue 8/188:30 pm -
1 stop36h 10m
Mon 8/314:50 pm -
1 stop32h 35m
Deal found 7/31![Turkish Airlines logo]()
$886
This Lufthansa deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 10/204:05 pm -
1 stop16h 00m
Sun 11/112:50 pm -
1 stop32h 40m
Deal found 8/1![Lufthansa logo]()
$922
This Finnair deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:35 pm -
1 stop16h 25m
Mon 10/124:35 pm -
2 stops32h 15m
Deal found 8/4![Multiple Airlines logo]()
$965
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 1/2211:35 am -
2 stops30h 25m
Sat 1/3011:10 am -
2 stops30h 32m
Deal found 8/1![TAP AIR PORTUGAL logo]()
$1,034
This Air Canada deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 11/25:40 pm -
2 stops59h 20m
Fri 11/66:40 am -
2 stops19h 47m
Deal found 8/3![Air Canada logo]()
$1,401
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:15 pm -
2 stops32h 05m
Sun 11/810:50 am -
2 stops32h 55m
Deal found 8/4![United Airlines logo]()
$834
This Scandinavian Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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.
Sun 11/156:45 am -
3 stops26h 20m
Mon 11/237:05 am -
2 stops20h 20m
Deal found 8/1![Scandinavian Airlines logo]()
$1,717
This KLM deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 1/1511:10 am -
2 stops19h 40m
Sun 1/246:50 pm -
2 stops30h 14m
Deal found 8/1![KLM logo]()
$870
This British Airways deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:35 pm -
1 stop21h 30m
Mon 10/196:45 pm -
1 stop28h 40m
Deal found 7/31![British Airways logo]()
$891
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/167:40 am -
1 stop19h 00m
Tue 9/111:00 am -
1 stop12h 57m
Deal found 7/31![United Airlines logo]()
$834
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 10/1712:15 pm -
2 stops20h 10m
Sat 10/245:00 am -
2 stops20h 09m
Deal found 8/2![Delta logo]()
$942
This Expedia deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 1/41:30 pm -
2 stops39h 30m
Thu 1/1411:50 am -
2 stops38h 37m
Deal found 7/31![Multiple Airlines logo]()
$971
This Gotogate deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/2910:46 am -
2 stops42h 39m
Wed 10/712:10 pm -
1 stop35h 15m
Deal found 8/4![British Airways logo]()
$916
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 12/23:55 pm -
1 stop13h 40m
Sun 12/61:25 pm -
2 stops41h 02m
Deal found 8/2![United Airlines logo]()
$844
This Expedia deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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.
Fri 11/61:00 pm -
2 stops26h 55m
Sat 11/148:45 am -
2 stops30h 43m
Deal found 8/3![TAP AIR PORTUGAL logo]()
$1,057
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:25 pm -
2 stops16h 30m
Wed 9/235:00 am -
2 stops22h 15m
Deal found 7/31![Delta logo]()
$984
This KLM deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/193:25 pm -
2 stops19h 40m
Wed 9/308:20 pm -
2 stops28h 01m
Deal found 8/4![KLM logo]()
$995
This Trip.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 12/125:01 pm -
1 stop35h 34m
Sat 12/194:45 pm -
1 stop29h 25m
Deal found 8/1![British Airways logo]()
$925
This KAYAK deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:44 pm -
2 stops37h 36m
Wed 11/183:10 pm -
1 stop31h 25m
Deal found 8/2![Lufthansa logo]()
$1,125
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/3011:25 am -
1 stop12h 35m
Tue 10/1312:15 pm -
3 stops35h 07m
Deal found 8/4![United Airlines logo]()
$863
This United deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:00 am -
1 stop17h 55m
Sat 9/196:20 am -
1 stop14h 25m
Deal found 8/2![Multiple Airlines logo]()
$1,047
This FlightHub deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 11/71:00 pm -
2 stops48h 15m
Sat 11/148:45 am -
2 stops30h 43m
Deal found 8/2![TAP AIR PORTUGAL logo]()
$1,074
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/22:22 pm -
2 stops18h 03m
Wed 9/165:55 am -
1 stop16h 45m
Deal found 8/2![Delta logo]()
$990
This United deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 10/47:40 am -
2 stops20h 40m
Sun 10/112:05 pm -
1 stop31h 15m
Deal found 8/1![Multiple Airlines logo]()
$1,081
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:25 pm -
2 stops17h 00m
Sun 9/275:00 am -
2 stops20h 11m
Deal found 8/1![Delta logo]()
$991
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 9/23:35 pm -
1 stop11h 05m
Wed 9/1611:00 am -
1 stop18h 15m
Deal found 8/1![United Airlines logo]()
$902
Last-minute flights from Denver to PortugalDiscover last-minute flight deals from Denver to Portugal. Data last updated August 5, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Portugal. Data last updated August 5, 2026 and is based on user searches.
This Vliegwinkel deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:30 pm -
1 stop36h 20m
Mon 8/2410:40 am -
1 stop38h 45m
Deal found 7/31![Turkish Airlines logo]()
$832
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/169:35 am -
2 stops17h 05m
Tue 9/111:00 am -
2 stops14h 45m
Deal found 7/31![United Airlines logo]()
$834
This Flightnetwork deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:30 pm -
1 stop20h 00m
Mon 9/284:50 pm -
1 stop32h 35m
Deal found 8/3![Turkish Airlines logo]()
$824
This FlightHub deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:30 pm -
1 stop36h 20m
Wed 9/2310:45 am -
1 stop38h 40m
Deal found 8/1![Turkish Airlines logo]()
$843
This Gotogate deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/214:40 pm -
1 stop14h 10m
Sun 10/43:00 pm -
1 stop35h 00m
Deal found 8/4![Icelandair logo]()
$733
This FlightHub deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/2211:25 am -
1 stop14h 55m
Thu 11/1910:55 am -
2 stops38h 08m
Deal found 7/31![Air Canada logo]()
$749
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:40 am -
1 stop16h 40m
Thu 11/195:00 am -
1 stop17h 35m
Deal found 7/31![United Airlines logo]()
$752
This Iberia deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:40 pm -
1 stop16h 15m
Thu 11/198:20 am -
2 stops23h 13m
Deal found 8/4![Multiple Airlines logo]()
$762
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/2311:35 am -
1 stop16h 30m
Thu 11/195:00 am -
1 stop15h 40m
Deal found 7/31![United Airlines logo]()
$757
This United Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 9/3011:25 am -
1 stop12h 35m
Tue 10/1312:15 pm -
3 stops35h 07m
Deal found 8/3![United Airlines logo]()
$863
This FlightHub deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/309:40 am -
1 stop14h 20m
Tue 10/136:20 am -
1 stop15h 00m
Deal found 7/31![Multiple Airlines logo]()
$865
This FlightHub deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/306:00 am -
2 stops18h 00m
Tue 10/1312:15 pm -
2 stops34h 02m
Deal found 7/31![Air Canada logo]()
$867
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 August 5, 2026.
Search for one-way flight options from Denver to Portugal. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:40 pm -
2 stops23h 45m
Deal found 8/4![Multiple Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 10/64:40 pm -
2 stops23h 15m
Deal found 8/4![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 stops23h 05m
Deal found 7/31![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:40 pm -
2 stops21h 50m
Deal found 8/4![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:30 am -
3 stops53h 15m
Deal found 8/2![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 10/104:40 pm -
2 stops33h 20m
Deal found 8/4![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 10/44:40 pm -
3 stops42h 40m
Deal found 8/4![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 10/64:40 pm -
3 stops31h 10m
Deal found 8/4![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 10/44:40 pm -
2 stops35h 10m
Deal found 8/4![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 8/264:40 pm -
2 stops23h 00m
Deal found 8/4![Multiple Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 10/1512:15 pm -
2 stops38h 10m
Deal found 7/31![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:30 am -
3 stops47h 05m
Deal found 7/31![Multiple Airlines logo]()
$332
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 August 5, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $689 (FlightHub) |
One-way from | $279 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $986 |
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 2,558,603 searches. Data last updated August 5, 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
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Wed 9/23
5:40 pm-5:50 pm
1 stop17h 10m
Lisbon Humberto Delgado
Wed 9/30
5:00 am-7:40 pm
2 stops21h 40m
$795
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sun 11/8
5:01 pm-5:45 pm
1 stop17h 44m
Lisbon Humberto Delgado
Sat 11/14
6:40 pm-3:10 pm
1 stop27h 30m
$799
DenverFunchal
DEN - FNC
DENFNC
Denver Intl
Wed 11/11
4:18 pm-5:10 pm
2 stops41h 52m
Funchal Madeira
Wed 11/18
10:25 am-5:13 pm
2 stops37h 48m
$800
Quickest round-trip
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Wed 12/9
11:20 am-6:55 am
1 stop12h 35m
Lisbon Humberto Delgado
Sun 12/13
12:20 pm-9:31 pm
2 stops16h 11m
$830
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Thu 10/29
7:15 pm-9:20 am
2 stops32h 05m
Lisbon Humberto Delgado
Sun 11/8
10:50 am-12:45 pm
2 stops32h 55m
$834
DenverPonta Delgada
DEN - PDL
DENPDL
Denver Intl
Sun 8/16
7:40 am-8:40 am
1 stop19h 00m
Ponta Delgada Nordela
Tue 9/1
11:00 am-5:57 pm
1 stop12h 57m
$834
DenverFaro
DEN - FAO
DENFAO
Denver Intl
Wed 12/2
3:55 pm-12:35 pm
1 stop13h 40m
Faro
Sun 12/6
1:25 pm-11:27 pm
2 stops41h 02m
$844
DenverPorto
DEN - OPO
DENOPO
Denver Intl
Wed 9/30
11:25 am-7:00 am
1 stop12h 35m
Porto
Tue 10/13
12:15 pm-4:22 pm
3 stops35h 07m
$863
DenverFaro
DEN - FAO
DENFAO
Denver Intl
Fri 1/15
11:10 am-1:50 pm
2 stops19h 40m
Faro
Sun 1/24
6:50 pm-6:04 pm
2 stops30h 14m
$870
DenverPorto
DEN - OPO
DENOPO
Denver Intl
Tue 8/18
8:30 pm-3:40 pm
1 stop36h 10m
Porto
Mon 8/31
4:50 pm-6:25 pm
1 stop32h 35m
$886
Showing 1-10 of 60 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-LIS
DEN-OPO
DEN-PDL
DEN-FAO
DEN-FNC
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Denver to Portugal
DEN-PT0
DEN-LIS
DEN-OPO
DEN-PDL
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 $637). Flying from Denver to Portugal in June is currently the most expensive (average of $1,327). 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 72 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 August 5, 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.
Boarding
7.3
Food
7.5
Comfort
7.3
Crew
7.8
Entertainment
7.5
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Food
7.5
Comfort
7.3
Crew
7.8
Entertainment
7.5
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Food
7.5
Comfort
7.3
Crew
7.8
Entertainment
7.5
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Food
7.5
Comfort
7.3
Crew
7.8
Entertainment
7.5
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Food
7.5
Comfort
7.3
Crew
7.8
Entertainment
7.5
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Food
7.5
Comfort
7.3
Crew
7.8
Entertainment
7.5
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - 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 August 5, 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 2,558,603 searches. Data last updated August 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$464 | Average$629 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$551 | Average$886 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$559 | Average$1,024 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$575 | Average$985 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$575 | Average$1,180 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$592 | Average$712 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$596 | Average$1,033 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$622 | Average$890 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$630 | Average$776 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$635 | Average$743 | FlexibilityNo cancel fee | On-time77% |