$307+ Cheap flights from San Francisco (SFO) 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LIS
Sep 18 — Sep 251
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Portugal with Cheapflights
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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 San Francisco to PortugalExplore the most affordable flight options available from San Francisco to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2026.
Explore the most affordable flight options available from San Francisco to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2026.
This FlightHub deal was found by Cheapflights users on 8/17. 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.
Wed 11/184:45 pm -
1 stop16h 15m
Mon 11/3011:55 am -
1 stop34h 55m
Deal found 8/17![Scandinavian Airlines logo]()
$653
This FlightHub deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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.
Mon 10/54:30 pm -
Nonstop11h 15m
Wed 11/119:55 am -
Nonstop12h 50m
Deal found 8/15![JetBlue logo]()
$683
This Scandinavian Airlines deal was found by Cheapflights users on 8/17. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:45 pm -
1 stop15h 20m
Wed 12/24:55 pm -
1 stop29h 55m
Deal found 8/17![Scandinavian Airlines logo]()
$684
This Justfly.com deal was found by Cheapflights users on 8/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:30 pm -
Nonstop11h 15m
Tue 10/139:00 am -
Nonstop12h 35m
Deal found 8/14![TAP AIR PORTUGAL logo]()
$685
This eDestinos deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:25 pm -
1 stop20h 30m
Wed 12/28:45 pm -
2 stops20h 11m
Deal found 8/16![Multiple Airlines logo]()
$690
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:45 pm -
1 stop16h 20m
Wed 10/2111:50 am -
1 stop34h 50m
Deal found 8/19![Scandinavian Airlines logo]()
$691
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/17. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:15 pm -
Nonstop11h 05m
Wed 11/119:55 am -
Nonstop12h 50m
Deal found 8/17![TAP AIR PORTUGAL logo]()
$691
This Scandinavian Airlines deal was found by Cheapflights users on 8/18. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:45 pm -
1 stop15h 20m
Sun 11/154:55 pm -
1 stop29h 55m
Deal found 8/18![Scandinavian Airlines logo]()
$692
This Justfly.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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.
Tue 9/224:45 pm -
1 stop18h 40m
Fri 11/204:55 pm -
1 stop29h 55m
Deal found 8/16![Scandinavian Airlines logo]()
$693
This oojo deal was found by Cheapflights users on 8/18. 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.
Fri 10/305:45 pm -
1 stop15h 20m
Fri 11/64:55 pm -
1 stop29h 55m
Deal found 8/18![Scandinavian Airlines logo]()
$696
This oojo deal was found by Cheapflights users on 8/18. 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 12/24:45 pm -
1 stop15h 20m
Wed 12/164:55 pm -
1 stop29h 55m
Deal found 8/18![Scandinavian Airlines logo]()
$697
This oojo deal was found by Cheapflights users on 8/19. 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 11/234:45 pm -
1 stop15h 20m
Wed 12/94:55 pm -
1 stop29h 55m
Deal found 8/19![Scandinavian Airlines logo]()
$698
Best flights from San Francisco to PortugalDiscover carefully curated flight deals from San Francisco to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
Discover carefully curated flight deals from San Francisco to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/244:45 pm -
1 stop15h 20m
Tue 12/84:55 pm -
1 stop29h 55m
Deal found 8/15![Scandinavian Airlines logo]()
$716
This Gotogate deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/177:35 pm -
1 stop20h 15m
Sat 10/316:05 am -
1 stop16h 40m
Deal found 8/16![TAP AIR PORTUGAL logo]()
$737
This Delta deal was found by Cheapflights users on 8/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:05 pm -
2 stops21h 25m
Thu 12/311:30 am -
1 stop32h 15m
Deal found 8/18![Delta logo]()
$750
This KLM deal was found by Cheapflights users on 8/19. 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.
Mon 11/21:50 pm -
1 stop16h 00m
Thu 11/122:40 pm -
1 stop29h 05m
Deal found 8/19![KLM logo]()
$751
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 12/26:35 am -
2 stops22h 00m
Sun 12/61:25 pm -
1 stop31h 10m
Deal found 8/16![United Airlines logo]()
$947
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/157:20 pm -
2 stops19h 40m
Tue 9/229:55 pm -
1 stop24h 40m
Deal found 8/16![Multiple Airlines logo]()
$958
This oojo deal was found by Cheapflights users on 8/17. 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.
Tue 9/157:00 am -
1 stop18h 40m
Mon 11/309:30 am -
2 stops34h 05m
Deal found 8/17![Lufthansa logo]()
$1,098
This Scandinavian Airlines deal was found by Cheapflights users on 8/17. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:45 pm -
1 stop33h 15m
Sat 10/245:40 pm -
2 stops54h 10m
Deal found 8/17![Scandinavian Airlines logo]()
$740
This Delta deal was found by Cheapflights users on 8/17. 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.
Wed 11/187:00 am -
2 stops20h 20m
Thu 11/265:00 am -
1 stop14h 45m
Deal found 8/17![Delta logo]()
$750
This Rumbo deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:30 pm -
1 stop19h 05m
Tue 10/63:45 pm -
1 stop29h 50m
Deal found 8/15![TAP AIR PORTUGAL logo]()
$756
This Scandinavian Airlines deal was found by Cheapflights users on 8/18. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/224:45 pm -
1 stop15h 20m
Tue 12/14:55 pm -
2 stops34h 56m
Deal found 8/18![Scandinavian Airlines logo]()
$752
This Delta deal was found by Cheapflights users on 8/17. 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 12/110:38 am -
2 stops20h 32m
Wed 12/911:30 am -
2 stops20h 27m
Deal found 8/17![Delta logo]()
$760
This Scandinavian Airlines deal was found by Cheapflights users on 8/14. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/84:45 pm -
1 stop15h 20m
Sun 11/154:55 pm -
1 stop29h 55m
Deal found 8/14![Scandinavian Airlines logo]()
$776
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/211:15 pm -
2 stops20h 35m
Wed 11/185:00 am -
1 stop14h 45m
Deal found 8/16![Delta logo]()
$780
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/86:00 am -
1 stop18h 05m
Wed 9/169:40 am -
1 stop19h 35m
Deal found 8/15![United Airlines logo]()
$954
This Turkish Airlines deal was found by Cheapflights users on 8/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:45 pm -
2 stops42h 10m
Mon 10/1912:00 pm -
2 stops60h 40m
Deal found 8/14![Turkish Airlines logo]()
$1,916
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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.
Tue 9/157:20 pm -
2 stops55h 50m
Tue 9/2212:00 pm -
1 stop34h 35m
Deal found 8/16![TAP AIR PORTUGAL logo]()
$917
This Mytrip deal was found by Cheapflights users on 8/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:25 am -
3 stops30h 30m
Mon 11/162:30 pm -
3 stops31h 21m
Deal found 8/14![Multiple Airlines logo]()
$1,012
This Delta deal was found by Cheapflights users on 8/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:05 pm -
1 stop33h 55m
Thu 12/35:00 am -
1 stop14h 45m
Deal found 8/18![Delta logo]()
$783
This Scandinavian Airlines deal was found by Cheapflights users on 8/14. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/154:45 pm -
2 stops38h 20m
Sat 12/54:25 pm -
2 stops40h 57m
Deal found 8/14![Scandinavian Airlines logo]()
$854
This KAYAK deal was found by Cheapflights users on 8/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:45 am -
3 stops18h 40m
Tue 11/1010:30 am -
2 stops30h 48m
Deal found 8/19![Multiple Airlines logo]()
$1,074
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/211:15 pm -
2 stops20h 35m
Tue 10/65:00 am -
1 stop14h 45m
Deal found 8/15![Delta logo]()
$810
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/17. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:35 pm -
1 stop37h 20m
Tue 9/291:40 pm -
1 stop31h 55m
Deal found 8/17![TAP AIR PORTUGAL logo]()
$1,078
This Mytrip deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/218:10 am -
3 stops32h 35m
Tue 10/610:45 am -
3 stops32h 55m
Deal found 8/16![Multiple Airlines logo]()
$1,080
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/118:55 am -
1 stop17h 30m
Tue 11/311:15 am -
1 stop32h 30m
Deal found 8/16![Delta logo]()
$820
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:45 pm -
2 stops56h 50m
Wed 10/710:25 am -
2 stops36h 15m
Deal found 8/14![Scandinavian Airlines logo]()
$947
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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.
Tue 9/224:20 pm -
1 stop37h 35m
Wed 10/71:40 pm -
1 stop31h 50m
Deal found 8/16![TAP AIR PORTUGAL logo]()
$1,078
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:40 pm -
2 stops23h 20m
Tue 11/311:15 am -
1 stop32h 30m
Deal found 8/16![Delta logo]()
$824
This FlightHub deal was found by Cheapflights users on 8/17. 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.
Tue 9/157:20 pm -
2 stops31h 25m
Mon 11/309:30 am -
2 stops31h 10m
Deal found 8/17![Multiple Airlines logo]()
$1,127
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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.
Tue 9/224:20 pm -
1 stop23h 55m
Mon 10/57:05 am -
1 stop37h 30m
Deal found 8/16![TAP AIR PORTUGAL logo]()
$1,086
Last-minute flights from San Francisco to PortugalDiscover last-minute flight deals from San Francisco to Portugal. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Portugal. Data last updated August 19, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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.
Mon 9/214:30 pm -
Nonstop11h 15m
Fri 11/2011:15 am -
Nonstop12h 50m
Deal found 8/16![JetBlue logo]()
$685
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/214:30 pm -
Nonstop11h 15m
Tue 10/69:00 am -
Nonstop12h 35m
Deal found 8/16![TAP AIR PORTUGAL logo]()
$735
This Justfly.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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.
Tue 9/224:45 pm -
1 stop18h 40m
Fri 11/204:55 pm -
1 stop29h 55m
Deal found 8/16![Scandinavian Airlines logo]()
$693
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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.
Tue 9/224:45 pm -
1 stop18h 40m
Wed 9/308:15 pm -
1 stop26h 25m
Deal found 8/17![Scandinavian Airlines logo]()
$708
This Scandinavian Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:45 pm -
1 stop18h 40m
Wed 10/78:15 pm -
1 stop26h 25m
Deal found 8/15![Scandinavian Airlines logo]()
$716
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/224:20 pm -
Nonstop11h 15m
Tue 10/69:00 am -
Nonstop12h 35m
Deal found 8/16![TAP AIR PORTUGAL logo]()
$738
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:20 pm -
Nonstop11h 15m
Wed 9/309:40 am -
Nonstop12h 55m
Deal found 8/17![TAP AIR PORTUGAL logo]()
$741
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:35 pm -
Nonstop11h 15m
Wed 9/309:40 am -
Nonstop12h 55m
Deal found 8/17![TAP AIR PORTUGAL logo]()
$740
This Gotogate deal was found by Cheapflights users on 8/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/244:30 pm -
1 stop23h 45m
Wed 10/71:40 pm -
1 stop31h 50m
Deal found 8/19![TAP AIR PORTUGAL logo]()
$743
This Justfly.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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.
Tue 9/294:45 pm -
1 stop18h 40m
Wed 11/44:55 pm -
1 stop29h 55m
Deal found 8/16![Scandinavian Airlines logo]()
$723
This oojo deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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.
Tue 9/294:45 pm -
1 stop18h 40m
Tue 10/139:15 pm -
1 stop25h 25m
Deal found 8/16![Multiple Airlines logo]()
$743
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:35 pm -
1 stop16h 45m
Wed 10/76:05 am -
1 stop16h 30m
Deal found 8/14![TAP AIR PORTUGAL logo]()
$742
One-way flights from San Francisco to PortugalSearch for one-way flight options from San Francisco to Portugal. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
Search for one-way flight options from San Francisco to Portugal. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 10/2010:14 pm -
3 stops48h 41m
Deal found 8/14![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/231:00 pm -
2 stops26h 40m
Deal found 8/16![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Sat 10/177:11 pm -
3 stops41h 19m
Deal found 8/14![Multiple Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Thu 10/159:03 am -
3 stops40h 22m
Deal found 8/14![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 10/191:02 pm -
3 stops33h 48m
Deal found 8/14![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 10/126:00 am -
3 stops32h 10m
Deal found 8/19![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 10/136:00 am -
2 stops40h 50m
Deal found 8/14![Multiple Airlines logo]()
$350
This Expedia deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 11/177:21 am -
2 stops22h 09m
Deal found 8/16![Iberia logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/2611:58 pm -
3 stops29h 22m
Deal found 8/15![Multiple Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 10/141:00 pm -
3 stops23h 55m
Deal found 8/19![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/191:00 pm -
3 stops28h 10m
Deal found 8/16![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Sun 10/186:07 am -
3 stops30h 23m
Deal found 8/14![Multiple Airlines logo]()
$360
Find flight deals from San Francisco to Portugal
Keep the following information in mind while searching for San Francisco to Portugal flight deals. Data was last updated August 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $653 (FlightHub) |
One-way from | $307 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $984 |
Good round-trip deal | $696 or less |
Good one-way deal | $433 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco 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 August 19, 2026.
Use the filters below to find and compare flights from San Francisco to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoLisbon
SFO San Francisco - LIS Lisbon Humberto Delgado
SFOLIS
San Francisco
Tue 11/24
4:45 pm-4:05 pm
1 stop15h 20m
Lisbon Humberto Delgado
Tue 12/8
4:55 pm-2:50 pm
1 stop29h 55m
$716
San FranciscoFaro
SFO San Francisco - FAO Faro
SFOFAO
San Francisco
Sat 10/17
7:35 pm-11:50 pm
1 stop20h 15m
Faro
Sat 10/31
6:05 am-3:45 pm
1 stop16h 40m
$737
San FranciscoFunchal
SFO San Francisco - FNC Funchal Madeira
SFOFNC
San Francisco
Thu 10/15
4:45 pm-10:00 am
1 stop33h 15m
Funchal Madeira
Sat 10/24
5:40 pm-3:50 pm
2 stops54h 10m
$740
San FranciscoLisbon
SFO San Francisco - LIS Lisbon Humberto Delgado
SFOLIS
San Francisco
Mon 11/23
12:05 pm-5:30 pm
2 stops21h 25m
Lisbon Humberto Delgado
Thu 12/3
11:30 am-11:45 am
1 stop32h 15m
$750
Quickest round-trip
San FranciscoLisbon
SFO San Francisco - LIS Lisbon Humberto Delgado
SFOLIS
San Francisco
Wed 11/18
7:00 am-11:20 am
2 stops20h 20m
Lisbon Humberto Delgado
Thu 11/26
5:00 am-11:45 am
1 stop14h 45m
$750
San FranciscoFaro
SFO San Francisco - FAO Faro
SFOFAO
San Francisco
Mon 11/2
1:50 pm-1:50 pm
1 stop16h 00m
Faro
Thu 11/12
2:40 pm-11:45 am
1 stop29h 05m
$751
San FranciscoLisbon
SFO San Francisco - LIS Lisbon Humberto Delgado
SFOLIS
San Francisco
Sun 11/22
4:45 pm-4:05 pm
1 stop15h 20m
Lisbon Humberto Delgado
Tue 12/1
4:55 pm-7:51 pm
2 stops34h 56m
$752
San FranciscoPonta Delgada
SFO San Francisco - PDL Ponta Delgada Nordela
SFOPDL
San Francisco
Mon 9/21
4:30 pm-6:35 pm
1 stop19h 05m
Ponta Delgada Nordela
Tue 10/6
3:45 pm-2:35 pm
1 stop29h 50m
$756
San FranciscoLisbon
SFO San Francisco - LIS Lisbon Humberto Delgado
SFOLIS
San Francisco
Tue 12/1
10:38 am-3:10 pm
2 stops20h 32m
Lisbon Humberto Delgado
Wed 12/9
11:30 am-11:57 pm
2 stops20h 27m
$760
San FranciscoLisbon
SFO San Francisco - LIS Lisbon Humberto Delgado
SFOLIS
San Francisco
Sun 11/8
4:45 pm-4:05 pm
1 stop15h 20m
Lisbon Humberto Delgado
Sun 11/15
4:55 pm-2:50 pm
1 stop29h 55m
$776
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from San Francisco to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from San Francisco with our price prediction graph.
SFO-LIS
SFO-FAO
SFO-TER
SFO-OPO
SFO-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 San Francisco to Portugal
SFO-PT0
SFO-LIS
SFO-FAO
SFO-TER
SFO-OPO
What is the cheapest month to book a flight from San Francisco to Portugal?
Currently, February is the cheapest month in which you can book a flight from San Francisco to Portugal (average of $627). Flying from San Francisco to Portugal in June is currently the most expensive (average of $1,278). 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 SFO to PT?
Find hourly flight availability from San Francisco 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 August 19, 2026.
When flying from San Francisco to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from San Francisco to Portugal delayed?
About 13% of weekly flights between San Francisco and Portugal have experienced delays in the past year, with the average delay time being 140 minutes.
What is the most punctual flight time for San Francisco to Portugal flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Francisco to Portugal flights?
Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 13% of flights being delayed.
How far ahead should I book a flight from San Francisco to Portugal?
The best time to book flights from San Francisco to Portugal is 12 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 August 19, 2026.
Read through reviews of airlines operating flights from San Francisco to Portugal, such as Delta,United Airlines, andTAP AIR PORTUGAL. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from San Francisco 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 San Francisco 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 San Francisco to Portugal by cabin class
Find flights from San Francisco to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Portugal flights
Browse other San Francisco and Portugal flight options. Last updated on August 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Francisco to Portugal flights
Consider these flights traveling from San Francisco to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 10 airlines flying from San Francisco to Portugal
Discover the top 10 airlines that operate flights from San Francisco 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 August 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$294 | Average$655 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$409 | Average$636 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$431 | Average$973 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$440 | Average$1,157 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$447 | Average$810 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$488 | Average$864 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$493 | Average$892 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$495 | Average$927 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$508 | Average$1,012 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$512 | Average$780 | FlexibilityNo cancel fee | On-time70% |