$317+ Cheap flights from San Francisco (SFO) 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LIS
Oct 30 — Nov 61
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Francisco 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Portugal
Cheapest
Best
Last-minute
One-way
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 September 30, 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 September 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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 10/247:35 pm -
1 stop15h 25m
Sat 10/317:00 am -
1 stop15h 45m
Deal found 9/26![TAP AIR PORTUGAL logo]()
$559
This Gotogate deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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 10/247:35 pm -
1 stop32h 10m
Fri 11/64:00 pm -
1 stop30h 45m
Deal found 9/29![TAP AIR PORTUGAL logo]()
$656
This Justfly.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 11/164:45 pm -
1 stop15h 25m
Wed 11/254:55 pm -
1 stop29h 55m
Deal found 9/25![Scandinavian Airlines logo]()
$676
This Cheapflightsfares deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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 10/204:45 pm -
1 stop18h 40m
Sat 10/2410:55 pm -
1 stop24h 55m
Deal found 9/29![Scandinavian Airlines logo]()
$679
This Expedia deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:45 pm -
1 stop16h 20m
Fri 12/114:45 pm -
1 stop30h 05m
Deal found 9/29![Scandinavian Airlines logo]()
$680
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 11/174:45 pm -
1 stop15h 20m
Sun 11/226:45 pm -
1 stop28h 05m
Deal found 9/25![Scandinavian Airlines logo]()
$682
This Justfly.com deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” 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 12/94:35 pm -
Nonstop10h 55m
Fri 12/2511:15 am -
Nonstop12h 50m
Deal found 9/28![JetBlue logo]()
$684
This Gotogate deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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 11/104:45 pm -
1 stop15h 20m
Tue 11/175:00 pm -
1 stop29h 50m
Deal found 9/26![Scandinavian Airlines logo]()
$685
This oojo deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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.
Sun 11/14:45 pm -
1 stop15h 35m
Tue 11/175:00 pm -
1 stop29h 50m
Deal found 9/29![Scandinavian Airlines logo]()
$686
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 10/134:45 pm -
1 stop18h 40m
Thu 10/295:50 pm -
1 stop29h 00m
Deal found 9/27![Scandinavian Airlines logo]()
$687
This oojo deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” 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 11/244:45 pm -
1 stop15h 20m
Fri 12/44:45 pm -
1 stop30h 05m
Deal found 9/28![Scandinavian Airlines logo]()
$688
This Gotogate deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:25 pm -
1 stop35h 10m
Mon 11/2311:50 am -
1 stop36h 40m
Deal found 9/25![SWISS logo]()
$690
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 September 30, 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 September 30, 2026.
This Gotogate deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 10/247:35 pm -
1 stop28h 55m
Fri 11/612:00 pm -
1 stop34h 45m
Deal found 9/25![TAP AIR PORTUGAL logo]()
$657
This Delta deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 10/242:15 pm -
1 stop34h 00m
Fri 11/65:00 am -
2 stops26h 56m
Deal found 9/25![Delta logo]()
$736
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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 12/28:45 am -
2 stops16h 45m
Fri 12/116:00 am -
1 stop22h 10m
Deal found 9/29![United Airlines logo]()
$740
This Scandinavian Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 2/184:45 pm -
1 stop15h 20m
Wed 3/34:55 pm -
2 stops35h 23m
Deal found 9/25![Scandinavian Airlines logo]()
$762
This British Airways deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” 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 10/266:00 am -
1 stop20h 05m
Wed 11/1110:45 am -
2 stops21h 10m
Deal found 9/28![British Airways logo]()
$786
This KLM deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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.
Thu 3/182:50 pm -
1 stop19h 20m
Mon 3/2910:30 am -
1 stop33h 15m
Deal found 9/26![KLM logo]()
$859
This United deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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 10/152:25 pm -
1 stop19h 50m
Mon 10/1912:10 pm -
2 stops32h 30m
Deal found 9/29![Multiple Airlines logo]()
$995
This Brussels Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/109:40 pm -
2 stops28h 25m
Sat 12/1911:15 am -
2 stops40h 20m
Deal found 9/25![Brussels Airlines logo]()
$1,060
This Delta deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/211:05 am -
2 stops26h 55m
Mon 3/2211:30 am -
1 stop33h 25m
Deal found 9/26![Delta logo]()
$737
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:25 am -
1 stop18h 45m
Wed 11/45:00 am -
1 stop15h 35m
Deal found 9/26![United Airlines logo]()
$742
This Gotogate deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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 10/154:30 pm -
1 stop23h 45m
Fri 10/3012:35 pm -
1 stop33h 10m
Deal found 9/26![TAP AIR PORTUGAL logo]()
$794
This Delta deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 11/97:00 am -
1 stop18h 00m
Mon 11/2311:30 am -
1 stop32h 15m
Deal found 9/25![Delta logo]()
$739
This Scandinavian Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 11/294:45 pm -
1 stop37h 25m
Sat 12/124:25 pm -
1 stop30h 25m
Deal found 9/25![Scandinavian Airlines logo]()
$816
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 11/117:00 am -
1 stop18h 30m
Wed 11/186:00 am -
2 stops26h 53m
Deal found 9/27![United Airlines logo]()
$746
This KLM deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 11/910:38 am -
2 stops19h 12m
Mon 11/167:10 pm -
1 stop24h 35m
Deal found 9/25![KLM logo]()
$863
This Cheapflightsfares deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 10/134:20 pm -
1 stop19h 20m
Tue 10/207:40 pm -
1 stop25h 55m
Deal found 9/25![TAP AIR PORTUGAL logo]()
$803
This Delta deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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 11/412:05 pm -
2 stops21h 25m
Wed 11/185:00 am -
1 stop14h 45m
Deal found 9/29![Delta logo]()
$749
This United Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:40 pm -
2 stops27h 50m
Fri 11/66:00 am -
2 stops18h 30m
Deal found 9/25![United Airlines logo]()
$767
This KLM deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” 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 11/210:35 am -
2 stops19h 15m
Thu 11/122:40 pm -
1 stop29h 05m
Deal found 9/28![KLM logo]()
$863
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 10/261:30 pm -
2 stops18h 40m
Wed 11/45:00 am -
1 stop14h 45m
Deal found 9/27![Delta logo]()
$749
This KLM deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” 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 10/2710:35 am -
2 stops20h 15m
Tue 11/32:40 pm -
2 stops34h 25m
Deal found 9/28![KLM logo]()
$872
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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 12/156:35 am -
2 stops17h 35m
Tue 12/225:00 am -
1 stop15h 35m
Deal found 9/29![United Airlines logo]()
$795
This Scandinavian Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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.
Mon 1/257:00 am -
2 stops23h 10m
Sat 2/62:35 pm -
2 stops32h 15m
Deal found 9/27![Scandinavian Airlines logo]()
$978
This Mytrip deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:02 am -
3 stops27h 38m
Thu 11/199:35 am -
3 stops38h 13m
Deal found 9/28![Multiple Airlines logo]()
$1,089
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 10/261:30 pm -
2 stops21h 00m
Wed 11/1111:30 am -
2 stops20h 31m
Deal found 9/27![Delta logo]()
$759
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/254:35 pm -
1 stop16h 35m
Fri 2/54:10 am -
1 stop18h 35m
Deal found 9/27![TAP AIR PORTUGAL logo]()
$919
This Booking.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 11/114:35 pm -
2 stops34h 20m
Wed 11/1812:20 pm -
2 stops58h 45m
Deal found 9/27![Multiple Airlines logo]()
$1,094
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:28 pm -
2 stops28h 02m
Sat 11/2112:30 pm -
1 stop32h 05m
Deal found 9/29![United Airlines logo]()
$822
This KLM deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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.
Thu 3/182:50 pm -
1 stop19h 20m
Sun 3/286:45 pm -
1 stop25h 00m
Deal found 9/29![KLM logo]()
$909
This Delta deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” 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 2/174:15 pm -
2 stops17h 15m
Tue 3/25:00 am -
2 stops20h 41m
Deal found 9/28![Delta logo]()
$764
Last-minute flights from San Francisco to PortugalDiscover last-minute flight deals from San Francisco to Portugal. Data last updated September 30, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Portugal. Data last updated September 30, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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
Tue 10/209:00 am -
Nonstop12h 35m
Deal found 9/25![JetBlue logo]()
$692
This Kiwi.com deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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 10/54:30 pm -
Nonstop11h 15m
Thu 10/229:55 am -
Nonstop12h 35m
Deal found 9/29![TAP AIR PORTUGAL logo]()
$714
This FlightHub deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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 10/134:45 pm -
1 stop18h 40m
Wed 10/218:15 pm -
1 stop26h 25m
Deal found 9/26![Scandinavian Airlines logo]()
$676
This Justfly.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 10/134:20 pm -
Nonstop11h 15m
Thu 10/229:55 am -
Nonstop12h 35m
Deal found 9/27![TAP AIR PORTUGAL logo]()
$684
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 10/134:45 pm -
1 stop18h 40m
Thu 10/295:50 pm -
1 stop29h 00m
Deal found 9/27![Scandinavian Airlines logo]()
$687
This Scandinavian Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 10/134:45 pm -
1 stop18h 40m
Sat 10/2410:55 pm -
1 stop24h 55m
Deal found 9/27![Scandinavian Airlines logo]()
$715
This Gotogate deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” 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 10/194:30 pm -
1 stop16h 50m
Wed 11/46:05 am -
1 stop16h 40m
Deal found 9/28![TAP AIR PORTUGAL logo]()
$717
This Cheapflightsfares deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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 10/204:45 pm -
1 stop18h 40m
Sat 10/2410:55 pm -
1 stop24h 55m
Deal found 9/29![Scandinavian Airlines logo]()
$679
This oojo deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 10/214:35 pm -
Nonstop11h 15m
Wed 11/1110:00 am -
Nonstop12h 45m
Deal found 9/25![TAP AIR PORTUGAL logo]()
$703
This Kiwi.com deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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 10/247:35 pm -
1 stop15h 25m
Sat 10/317:00 am -
1 stop15h 45m
Deal found 9/26![TAP AIR PORTUGAL logo]()
$559
This Gotogate deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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 10/247:35 pm -
1 stop32h 10m
Fri 11/64:00 pm -
1 stop30h 45m
Deal found 9/29![TAP AIR PORTUGAL logo]()
$656
This oojo deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:45 pm -
1 stop15h 25m
Wed 11/44:55 pm -
1 stop29h 55m
Deal found 9/29![Scandinavian Airlines logo]()
$716
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 September 30, 2026.
Search for one-way flight options from San Francisco to Portugal. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
This Flightnetwork deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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.
Wed 2/109:40 pm -
1 stop18h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Lufthansa logo]()
$317
This Flightnetwork deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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.
Wed 2/108:25 am -
2 stops19h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Air Canada logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” 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 10/1911:59 pm -
3 stops39h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$333
This Expedia deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 3/128:35 pm -
2 stops27h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Iberia logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:40 pm -
2 stops40h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$382
This American Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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.
Fri 2/129:12 am -
2 stops18h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![American Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” 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 2/104:40 pm -
1 stop18h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$391
This United deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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.
Fri 2/126:50 pm -
1 stop19h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” 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 10/177:35 pm -
2 stops56h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/69:40 pm -
2 stops30h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 10/108:30 pm -
1 stop34h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 10/91:00 pm -
3 stops37h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$432
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 September 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $559 (Kiwi.com) |
One-way from | $317 (Flightnetwork) |
Popular in | June |
Cheapest in | February |
Average price | $987 |
Good round-trip deal | $669 or less |
Good one-way deal | $443 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 September 30, 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 FranciscoFaro
SFO San Francisco - FAO Faro
SFOFAO
San Francisco
Wed 2/10
4:40 pm-6:55 pm
1 stop18h 15m
Faro
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$391
San FranciscoPorto
SFO San Francisco - OPO Porto
SFOOPO
San Francisco
Fri 2/12
6:50 pm-10:25 pm
1 stop19h 35m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$401
San FranciscoFunchal
SFO San Francisco - FNC Funchal Madeira
SFOFNC
San Francisco
Wed 1/6
9:40 pm-12:35 pm
2 stops30h 55m
Funchal Madeira
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$410
San FranciscoPorto
SFO San Francisco - OPO Porto
SFOOPO
San Francisco
Sat 11/21
9:20 pm-4:10 pm
3 stops34h 50m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$436
San FranciscoPorto
SFO San Francisco - OPO Porto
SFOOPO
San Francisco
Thu 11/19
3:38 pm-5:30 pm
3 stops41h 52m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$436
San FranciscoPorto
SFO San Francisco - OPO Porto
SFOOPO
San Francisco
Sat 11/7
11:59 pm-9:30 am
2 stops25h 31m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$463
San FranciscoPorto
SFO San Francisco - OPO Porto
SFOOPO
San Francisco
Sun 11/1
7:00 am-9:30 am
2 stops18h 30m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$463
San FranciscoPorto
SFO San Francisco - OPO Porto
SFOOPO
San Francisco
Sun 10/25
5:00 am-9:30 am
2 stops21h 30m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$463
San FranciscoPorto
SFO San Francisco - OPO Porto
SFOOPO
San Francisco
Sun 10/25
8:25 pm-11:15 am
1 stop31h 50m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$465
San FranciscoPorto
SFO San Francisco - OPO Porto
SFOOPO
San Francisco
Sat 10/17
7:35 pm-7:00 pm
1 stop15h 25m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$469
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-OPO
SFO-LIS
SFO-FAO
SFO-FNC
SFO-TER
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Portugal
SFO-PT0
SFO-OPO
SFO-LIS
SFO-FAO
SFO-FNC
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 $644). Flying from San Francisco to Portugal in June is currently the most expensive (average of $1,267). 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 September 30, 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 14% of weekly flights between San Francisco and Portugal have experienced delays in the past year, with the average delay time being 141 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 early afternoon 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 14% 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 10 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 30, 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
Boarding
8.1
Overall
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Comfort
7.8
Crew
8.5
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.
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
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 September 30, 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 September 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$163 | Average$832 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$294 | Average$655 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$431 | Average$1,002 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$440 | Average$1,162 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$480 | Average$647 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$486 | Average$851 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$495 | Average$942 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$509 | Average$936 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$519 | Average$1,016 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$521 | Average$797 | FlexibilityNo cancel fee | On-time70% |