$196+ Cheap flights from the United States 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LIS
Oct 14 — Oct 212
Round-trip
2 travelers, Economy
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Find cheap flights from USA to Portugal with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from USA to PortugalExplore the most affordable flight options available from USA to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
Explore the most affordable flight options available from USA to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/510:05 pm -
1 stop16h 15m
Sat 12/1211:35 am -
1 stop11h 15m
Deal found 9/13![Air Europa logo]()
$503
This Cheapflightsfares deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:40 pm -
Nonstop6h 45m
Tue 11/106:40 pm -
Nonstop8h 35m
Deal found 9/13![TAP AIR PORTUGAL logo]()
$584
This oojo deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:05 pm -
1 stop12h 10m
Sun 11/158:00 am -
1 stop14h 50m
Deal found 9/12![Air Europa logo]()
$594
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/109:35 pm -
1 stop28h 45m
Thu 11/198:55 am -
1 stop34h 29m
Deal found 9/14![United Airlines logo]()
$599
This Gotogate deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:10 am -
1 stop13h 50m
Sat 12/126:10 pm -
Nonstop8h 25m
Deal found 9/13![TAP AIR PORTUGAL logo]()
$603
This Air Europa deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates ” 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 Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:40 am -
1 stop25h 10m
Mon 11/164:05 pm -
1 stop30h 45m
Deal found 9/14![Air Europa logo]()
$608
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:52 pm -
1 stop13h 18m
Tue 12/112:50 pm -
3 stops35h 00m
Deal found 9/11![United Airlines logo]()
$609
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:45 pm -
1 stop17h 30m
Wed 10/147:25 am -
1 stop19h 35m
Deal found 9/13![Multiple Airlines logo]()
$609
This Booking.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:00 pm -
1 stop20h 25m
Wed 10/286:30 am -
1 stop19h 20m
Deal found 9/10![Finnair logo]()
$610
This FlightHub deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:55 pm -
1 stop16h 40m
Wed 9/3010:15 pm -
1 stop29h 10m
Deal found 9/13![Aer Lingus logo]()
$610
This Gotogate deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:05 pm -
1 stop12h 10m
Mon 11/28:05 pm -
1 stop26h 45m
Deal found 9/10![Air Europa logo]()
$611
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:00 pm -
1 stop11h 05m
Thu 10/298:20 am -
1 stop17h 30m
Deal found 9/11![American Airlines logo]()
$612
Best flights from USA to PortugalDiscover carefully curated flight deals from USA to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
Discover carefully curated flight deals from USA to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
This Air Europa deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:05 pm -
1 stop12h 10m
Mon 11/24:05 pm -
1 stop30h 45m
Deal found 9/14![Air Europa logo]()
$630
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:16 am -
2 stops16h 39m
Mon 11/165:00 am -
1 stop14h 40m
Deal found 9/11![United Airlines logo]()
$637
This Scandinavian Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:30 pm -
2 stops40h 35m
Thu 11/124:55 pm -
1 stop27h 45m
Deal found 9/11![Scandinavian Airlines logo]()
$642
This Delta deal was found by Cheapflights users on 9/9. 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 11/298:15 pm -
Nonstop6h 45m
Tue 12/811:15 am -
1 stop12h 31m
Deal found 9/9![Delta logo]()
$662
This British Airways deal was found by Cheapflights users on 9/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:40 pm -
1 stop13h 10m
Wed 11/258:45 pm -
1 stop21h 20m
Deal found 9/10![Multiple Airlines logo]()
$668
This Finnair deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:00 pm -
1 stop9h 45m
Mon 12/1412:25 pm -
2 stops32h 10m
Deal found 9/13![Finnair logo]()
$675
This KLM deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:30 pm -
1 stop10h 30m
Wed 11/2510:00 am -
Nonstop8h 13m
Deal found 9/13![KLM logo]()
$676
This Virgin Atlantic deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/61:15 pm -
1 stop14h 40m
Sun 12/2011:15 am -
1 stop12h 26m
Deal found 9/13![Virgin Atlantic logo]()
$686
This SWISS deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/57:35 pm -
1 stop12h 10m
Thu 1/1412:35 pm -
1 stop33h 05m
Deal found 9/11![SWISS logo]()
$692
This British Airways deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/33:30 pm -
1 stop15h 25m
Sat 1/307:00 am -
1 stop16h 50m
Deal found 9/12![British Airways logo]()
$783
This Air Transat deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:40 am -
1 stop16h 05m
Thu 11/198:35 am -
1 stop16h 25m
Deal found 9/13![Air Transat logo]()
$845
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/298:25 pm -
Nonstop6h 45m
Tue 12/810:15 am -
Nonstop8h 10m
Deal found 9/9![United Airlines logo]()
$652
This Finnair deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:25 pm -
2 stops14h 15m
Mon 12/1412:25 pm -
2 stops32h 10m
Deal found 9/13![Finnair logo]()
$679
This KLM deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:15 pm -
Nonstop6h 45m
Tue 12/15:00 am -
1 stop14h 00m
Deal found 9/13![KLM logo]()
$682
This Scandinavian Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:20 am -
2 stops25h 40m
Sun 11/85:35 pm -
1 stop27h 10m
Deal found 9/13![Scandinavian Airlines logo]()
$685
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:59 pm -
1 stop15h 01m
Mon 11/211:15 am -
1 stop16h 10m
Deal found 9/12![Delta logo]()
$694
This United deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:05 am -
2 stops15h 50m
Sun 11/2210:40 am -
1 stop11h 11m
Deal found 9/10![Multiple Airlines logo]()
$697
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/174:30 pm -
1 stop11h 50m
Tue 2/211:20 am -
2 stops31h 29m
Deal found 9/13![United Airlines logo]()
$655
This SWISS deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/287:35 pm -
1 stop12h 10m
Fri 1/812:35 pm -
1 stop33h 05m
Deal found 9/11![SWISS logo]()
$735
This KLM deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:30 pm -
Nonstop6h 45m
Mon 11/210:15 am -
Nonstop8h 05m
Deal found 9/11![KLM logo]()
$690
This KLM deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/178:25 pm -
Nonstop6h 35m
Tue 2/2311:15 am -
1 stop16h 00m
Deal found 9/10![Multiple Airlines logo]()
$697
This Delta deal was found by Cheapflights users on 9/9. 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.
Mon 10/511:58 am -
2 stops21h 52m
Tue 10/209:50 am -
2 stops22h 06m
Deal found 9/9![Delta logo]()
$697
This Scandinavian Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:45 am -
2 stops25h 20m
Fri 10/235:55 pm -
2 stops24h 20m
Deal found 9/12![Scandinavian Airlines logo]()
$719
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1511:15 am -
1 stop15h 55m
Sun 1/2410:40 am -
3 stops37h 16m
Deal found 9/12![United Airlines logo]()
$662
This British Airways deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/121:28 pm -
2 stops18h 17m
Wed 10/2810:45 am -
2 stops20h 45m
Deal found 9/13![British Airways logo]()
$825
This KLM deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:35 pm -
Nonstop6h 20m
Sun 11/1511:15 am -
Nonstop7h 44m
Deal found 9/13![KLM logo]()
$699
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:00 pm -
1 stop10h 00m
Tue 11/1011:15 am -
1 stop11h 15m
Deal found 9/10![Delta logo]()
$701
This Scandinavian Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/256:30 pm -
2 stops16h 30m
Mon 3/16:45 pm -
2 stops23h 55m
Deal found 9/11![Multiple Airlines logo]()
$703
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/56:00 am -
1 stop23h 20m
Thu 11/128:55 am -
1 stop32h 31m
Deal found 9/14![United Airlines logo]()
$667
This KLM deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:30 pm -
Nonstop6h 45m
Fri 11/135:00 am -
1 stop14h 00m
Deal found 9/10![KLM logo]()
$705
Last-minute flights from USA to PortugalDiscover last-minute flight deals from USA to Portugal. Data last updated September 14, 2026 and is based on user searches.
Discover last-minute flight deals from USA to Portugal. Data last updated September 14, 2026 and is based on user searches.
This Air Europa deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:40 am -
1 stop25h 10m
Mon 11/164:05 pm -
1 stop30h 45m
Deal found 9/14![Air Europa logo]()
$608
This FlightHub deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:55 pm -
1 stop16h 40m
Wed 9/3010:15 pm -
1 stop29h 10m
Deal found 9/13![Aer Lingus logo]()
$610
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/64:55 pm -
1 stop12h 25m
Tue 10/1311:35 am -
1 stop12h 20m
Deal found 9/14![Multiple Airlines logo]()
$615
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:45 pm -
1 stop17h 30m
Wed 10/147:25 am -
1 stop19h 35m
Deal found 9/13![Multiple Airlines logo]()
$609
This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/114:15 pm -
2 stops25h 35m
Tue 10/2010:00 pm -
2 stops23h 35m
Deal found 9/13![Multiple Airlines logo]()
$613
This oojo deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:05 pm -
1 stop12h 10m
Sun 11/158:00 am -
1 stop14h 50m
Deal found 9/12![Air Europa logo]()
$594
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:00 pm -
1 stop11h 05m
Thu 10/298:20 am -
1 stop17h 30m
Deal found 9/11![American Airlines logo]()
$612
This Booking.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:00 pm -
1 stop20h 25m
Wed 10/286:30 am -
1 stop19h 20m
Deal found 9/10![Finnair logo]()
$610
This Gotogate deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:05 pm -
1 stop12h 10m
Mon 11/28:05 pm -
1 stop26h 45m
Deal found 9/10![Air Europa logo]()
$611
This lol.travel deal was found by Cheapflights users on 9/10. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:30 pm -
1 stop22h 55m
Tue 11/36:30 am -
1 stop11h 35m
Deal found 9/10![Finnair logo]()
$614
This Iberia deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:35 pm -
1 stop16h 30m
Mon 11/26:30 am -
1 stop15h 20m
Deal found 9/11![Iberia logo]()
$614
This Iberia deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:25 pm -
1 stop16h 40m
Tue 12/86:30 am -
1 stop15h 20m
Deal found 9/11![Iberia logo]()
$615
One-way flights from USA to PortugalSearch for one-way flight options from USA to Portugal. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
Search for one-way flight options from USA to Portugal. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
This Mytrip deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:00 pm -
1 stop15h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:00 pm -
1 stop31h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$204
This French Bee deal was found by Cheapflights users on 9/10. 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 French Bee is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2111:00 pm -
1 stop12h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$223
This Transavia Smart Connect deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Transavia Smart Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:00 pm -
1 stop12h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:00 pm -
2 stops32h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$230
This Connections by easyJet deal was found by Cheapflights users on 9/10. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:00 pm -
1 stop28h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:00 pm -
2 stops40h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$236
This Mytrip deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:00 pm -
1 stop19h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2111:00 pm -
2 stops37h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 9/2811:00 pm -
2 stops35h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:00 pm -
2 stops17h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/511:00 pm -
2 stops37h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$250
Find flight deals from USA to Portugal
Keep the following information in mind while searching for USA to Portugal flight deals. Data was last updated September 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $503 (oojo) |
One-way from | $196 (Mytrip) |
Popular in | June |
Cheapest in | January |
Average price | $834 |
Good round-trip deal | $624 or less |
Good one-way deal | $324 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from USA 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 14, 2026.
Use the filters below to find and compare flights from the United States to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
NewarkPorto
EWR Newark - OPO Porto
EWROPO
Newark
Mon 9/21
11:00 pm-4:45 pm
1 stop12h 45m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$223
NewarkPorto
EWR Newark - OPO Porto
EWROPO
Newark
Mon 9/28
11:00 pm-5:50 pm
1 stop13h 50m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$228
NewarkPorto
EWR Newark - OPO Porto
EWROPO
Newark
Mon 10/12
11:00 pm-4:45 pm
1 stop12h 45m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$229
NewarkPorto
EWR Newark - OPO Porto
EWROPO
Newark
Sun 10/11
11:00 pm-7:30 am
1 stop27h 30m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$250
NewarkLisbon
EWR Newark - LIS Lisbon Humberto Delgado
EWRLIS
Newark
Sun 10/11
11:00 pm-8:55 am
1 stop28h 55m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$269
NewarkLisbon
EWR Newark - LIS Lisbon Humberto Delgado
EWRLIS
Newark
Mon 10/12
11:00 pm-3:00 pm
2 stops35h 00m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$269
NewarkPorto
EWR Newark - OPO Porto
EWROPO
Newark
Sun 10/4
11:00 pm-8:30 am
1 stop28h 30m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$277
BostonLisbon
BOS Boston Logan Intl - LIS Lisbon Humberto Delgado
BOSLIS
Boston Logan Intl
Thu 3/4
10:10 pm-9:45 am
Nonstop6h 35m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$341
BostonLisbon
BOS Boston Logan Intl - LIS Lisbon Humberto Delgado
BOSLIS
Boston Logan Intl
Sat 11/7
9:25 pm-8:45 pm
1 stop18h 20m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$364
MiamiLisbon
MIA Miami - LIS Lisbon Humberto Delgado
MIALIS
Miami
Fri 12/11
5:10 pm-10:30 pm
1 stop24h 20m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$376
Showing 1-10 of 60 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on USA-Portugal flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on USA-Portugal flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from USA-Portugal flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on USA-Portugal flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for USA-Portugal flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from USA to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from USA with our price prediction graph.
EWR-OPO
BOS-LIS
MIA-LIS
LGA-LIS
JFK-OPO
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 the United States to Portugal
US0-PT0
EWR-OPO
BOS-LIS
MIA-LIS
LGA-LIS
What is the cheapest month to book a flight from USA to Portugal?
Currently, January is the cheapest month in which you can book a flight from USA to Portugal (average of $610). Flying from USA to Portugal in June is currently the most expensive (average of $1,125). 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.
What is the cheapest time of day to fly from US to PT?
Find hourly flight availability from USA to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 14, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from USA to Portugal as you normally would.
How often are flights from the United States to Portugal delayed?
About 22% of weekly flights between United States and Portugal have experienced delays in the past year, with the average delay time being 151 minutes.
What is the most punctual flight time for the United States to Portugal flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on the United States to Portugal flights?
Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 19% of flights being delayed.
How far ahead should I book a flight from USA to Portugal?
The best time to book flights from USA to Portugal is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 14, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andTAP AIR PORTUGAL from the United States to Portugal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Related info for your journey
Find useful and relevant information for your journey from USA 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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Airlines flying to Portugal
Azores Airlines flights to Portugalfrom $317/person
Delta flights to Portugalfrom $719/person
TAP AIR PORTUGAL flights to Portugalfrom $370/person
Alternative routes for USA 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 USA to Portugal by cabin class
Find flights from USA to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
USA and Portugal flights
Browse other USA and Portugal flight options. Last updated on September 14, 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 USA after your stay in Portugal
USA to Portugal flights
Consider these flights traveling from USA to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 10 airlines flying from USA to Portugal
Discover the top 10 airlines that operate flights from USA 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 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$239 | Average$753 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$262 | Average$728 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$316 | Average$897 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$351 | Average$726 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$360 | Average$975 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$370 | Average$814 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$375 | Average$913 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$394 | Average$889 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$396 | Average$812 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$396 | Average$471 | FlexibilityNo cancel fee | On-time76% |