$342+ Cheap flights from Portugal to California
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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — LAX
Apr 16 — Apr 231
Round-trip
1 adult, Economy
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Cheapest flights from Portugal to CaliforniaExplore the most affordable flight options available from Portugal to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
Explore the most affordable flight options available from Portugal to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
This Flysmarter deal was found by Cheapflights users on 3/15. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:35 am
LIS
- LAS
1 stop18h 42m
Air Transat
Thu 10/19:45 am
LAS
- LIS
1 stop15h 50m
Air Transat
Deal found 3/15![Air Transat logo]()
$643
This Iberia deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/219:15 pm
LIS
- LAX
1 stop28h 55m
Iberia
Sun 5/247:55 pm
LAX
- LIS
1 stop16h 45m
Iberia
Deal found 3/17![Iberia logo]()
$647
This Rumbo deal was found by Cheapflights users on 3/17. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:15 pm
LIS
- LAX
1 stop27h 35m
Scandinavian Airlines
Fri 5/811:55 pm
LAX
- LIS
2 stops32h 05m
Scandinavian Airlines
Deal found 3/17![Scandinavian Airlines logo]()
$679
This Iberia deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:10 am
LIS
- LAX
1 stop17h 00m
Iberia
Mon 4/277:55 pm
LAX
- LIS
1 stop16h 40m
Iberia
Deal found 3/17![Iberia logo]()
$690
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Wed 4/159:15 pm
LIS
- SFO
1 stop28h 40m
Multiple Airlines
Sun 4/197:40 pm
SFO
- LIS
1 stop15h 15m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$696
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/265:55 am
LIS
- LAX
2 stops40h 10m
Multiple Airlines
Tue 4/283:05 pm
LAX
- LIS
1 stop16h 30m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$700
This Expedia deal was found by Cheapflights users on 3/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:15 pm
LIS
- LAX
1 stop28h 10m
Aer Lingus
Sat 4/258:10 pm
LAX
- LIS
1 stop17h 25m
Aer Lingus
Deal found 3/15![Aer Lingus logo]()
$701
This ResecentrumGruppen deal was found by Cheapflights users on 3/17. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/25:05 am
LIS
- SFO
1 stop18h 20m
Lufthansa
Thu 4/167:00 am
SFO
- LIS
1 stop17h 20m
Lufthansa
Deal found 3/17![Lufthansa logo]()
$705
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Thu 4/168:45 am
LIS
- LAX
2 stops40h 13m
Multiple Airlines
Sat 4/255:30 pm
LAX
- LIS
1 stop21h 15m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$711
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Thu 4/168:35 am
OPO
- SFO
1 stop17h 20m
Multiple Airlines
Thu 4/307:40 pm
SFO
- OPO
1 stop17h 40m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$712
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Fri 4/2410:15 pm
LIS
- LAX
1 stop28h 10m
Aer Lingus
Sat 5/98:10 pm
LAX
- LIS
1 stop17h 25m
Aer Lingus
Deal found 3/14![Aer Lingus logo]()
$715
This Rumbo deal was found by Cheapflights users on 3/16. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/234:55 pm
LIS
- SFO
1 stop29h 40m
Scandinavian Airlines
Mon 12/74:40 pm
SFO
- LIS
1 stop15h 25m
Scandinavian Airlines
Deal found 3/16![Scandinavian Airlines logo]()
$716
Best flights from Portugal to CaliforniaDiscover carefully curated flight deals from Portugal to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
Discover carefully curated flight deals from Portugal to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
This Lufthansa deal was found by Cheapflights users on 3/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/212:10 pm
OPO
- SFO
1 stop15h 50m
Lufthansa
Wed 4/157:00 am
SFO
- OPO
1 stop18h 45m
Lufthansa
Deal found 3/16![Lufthansa logo]()
$750
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Thu 8/275:05 am
LIS
- SFO
1 stop15h 35m
United Airlines
Sun 9/69:05 pm
SFO
- LIS
1 stop17h 40m
United Airlines
Deal found 3/16![United Airlines logo]()
$762
This SWISS deal was found by Cheapflights users on 3/14. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:55 am
LIS
- SFO
1 stop18h 20m
SWISS
Thu 4/237:35 pm
SFO
- LIS
1 stop35h 10m
SWISS
Deal found 3/14![SWISS logo]()
$790
This Mytrip deal was found by Cheapflights users on 3/14. 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.
Tue 4/286:30 am
LIS
- SNA
3 stops36h 45m
Multiple Airlines
Tue 5/51:15 pm
SNA
- LIS
2 stops36h 05m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$792
This Delta deal was found by Cheapflights users on 3/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:00 am
OPO
- SFO
1 stop14h 45m
Delta
Thu 4/232:57 pm
SFO
- OPO
2 stops23h 03m
Delta
Deal found 3/14![Delta logo]()
$793
This LEVEL deal was found by Cheapflights users on 3/13. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:15 pm
LIS
- LAX
1 stop28h 55m
LEVEL
Sun 5/317:55 pm
LAX
- LIS
1 stop16h 45m
LEVEL
Deal found 3/13![LEVEL logo]()
$799
This KLM deal was found by Cheapflights users on 3/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/44:20 pm
OPO
- LAS
1 stop34h 15m
KLM
Wed 5/135:50 pm
LAS
- OPO
1 stop20h 10m
KLM
Deal found 3/16![KLM logo]()
$891
This British Airways deal was found by Cheapflights users on 3/12. 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.
Fri 9/1111:05 am
LIS
- OAK
2 stops39h 28m
British Airways
Tue 9/157:00 am
OAK
- LIS
2 stops48h 40m
British Airways
Deal found 3/12![British Airways logo]()
$970
This oojo deal was found by Cheapflights users on 3/13. 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.
Fri 4/1710:15 pm
LIS
- SNA
2 stops30h 35m
Aer Lingus
Sat 5/27:45 am
SNA
- LIS
2 stops18h 30m
Aer Lingus
Deal found 3/13![Aer Lingus logo]()
$1,130
This Iberia deal was found by Cheapflights users on 3/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3012:30 pm
LIS
- ONT
2 stops19h 29m
Iberia
Thu 8/62:31 pm
ONT
- LIS
2 stops17h 34m
Iberia
Deal found 3/13![Iberia logo]()
$1,396
This Turkish Airlines deal was found by Cheapflights users on 3/13. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:55 am
LIS
- ONT
2 stops46h 50m
Turkish Airlines
Sun 5/3110:00 pm
ONT
- LIS
2 stops41h 35m
Turkish Airlines
Deal found 3/13![Turkish Airlines logo]()
$1,403
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Thu 4/167:25 am
LIS
- SFO
1 stop20h 35m
United Airlines
Mon 4/209:05 pm
SFO
- LIS
1 stop17h 40m
United Airlines
Deal found 3/13![United Airlines logo]()
$765
This Lufthansa deal was found by Cheapflights users on 3/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:05 am
LIS
- SFO
1 stop18h 20m
Lufthansa
Tue 5/129:05 pm
SFO
- LIS
1 stop17h 40m
Lufthansa
Deal found 3/16![Lufthansa logo]()
$785
This Delta deal was found by Cheapflights users on 3/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:00 am
OPO
- SFO
1 stop14h 45m
Delta
Sat 5/23:05 pm
SFO
- OPO
1 stop22h 55m
Delta
Deal found 3/14![Delta logo]()
$793
This Vueling Global deal was found by Cheapflights users on 3/13. 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 Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:00 pm
OPO
- LAX
1 stop29h 10m
Multiple Airlines
Sun 5/37:55 pm
LAX
- OPO
1 stop28h 05m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$797
This LEVEL deal was found by Cheapflights users on 3/15. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:45 pm
LIS
- LAX
1 stop32h 25m
LEVEL
Mon 5/257:55 pm
LAX
- LIS
1 stop16h 40m
LEVEL
Deal found 3/15![LEVEL logo]()
$808
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Fri 5/15:05 am
LIS
- SFO
1 stop22h 55m
United Airlines
Fri 5/89:05 pm
SFO
- LIS
1 stop17h 40m
United Airlines
Deal found 3/16![United Airlines logo]()
$766
This Lufthansa deal was found by Cheapflights users on 3/15. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:20 am
OPO
- SFO
1 stop20h 40m
Lufthansa
Fri 5/19:05 pm
SFO
- OPO
1 stop18h 20m
Lufthansa
Deal found 3/15![Lufthansa logo]()
$789
This Delta deal was found by Cheapflights users on 3/15. 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.
Wed 4/295:00 am
LIS
- SFO
1 stop14h 45m
Delta
Wed 5/67:05 am
SFO
- LIS
2 stops17h 45m
Delta
Deal found 3/15![Delta logo]()
$798
This KLM deal was found by Cheapflights users on 3/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:00 am
LIS
- OAK
2 stops19h 24m
Multiple Airlines
Tue 4/215:55 am
OAK
- LIS
2 stops27h 55m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$803
This KLM deal was found by Cheapflights users on 3/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:00 am
LIS
- LAS
1 stop21h 35m
KLM
Tue 5/57:00 am
LAS
- LIS
1 stop17h 00m
KLM
Deal found 3/14![KLM logo]()
$906
This LEVEL deal was found by Cheapflights users on 3/12. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/249:15 pm
LIS
- LAX
1 stop29h 55m
LEVEL
Sat 5/98:55 pm
LAX
- LIS
1 stop36h 15m
LEVEL
Deal found 3/12![LEVEL logo]()
$827
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Mon 4/276:00 am
OPO
- SFO
2 stops23h 20m
United Airlines
Mon 5/41:40 pm
SFO
- OPO
1 stop18h 00m
United Airlines
Deal found 3/13![United Airlines logo]()
$768
This Delta deal was found by Cheapflights users on 3/16. 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.
Tue 5/55:00 am
LIS
- SFO
2 stops22h 03m
Delta
Tue 5/1210:29 am
SFO
- LIS
2 stops20h 26m
Delta
Deal found 3/16![Delta logo]()
$803
This Ovago deal was found by Cheapflights users on 3/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:20 am
LIS
- SNA
2 stops23h 25m
British Airways
Wed 4/294:39 pm
SNA
- LIS
2 stops22h 36m
British Airways
Deal found 3/17![British Airways logo]()
$992
This Mytrip deal was found by Cheapflights users on 3/12. 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.
Fri 4/178:45 am
OPO
- LAX
2 stops21h 18m
Multiple Airlines
Fri 4/243:05 pm
LAX
- OPO
2 stops24h 25m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$840
This KLM deal was found by Cheapflights users on 3/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/203:35 pm
LIS
- SAN
1 stop28h 15m
KLM
Sat 5/301:40 pm
SAN
- LIS
1 stop25h 10m
KLM
Deal found 3/17![KLM logo]()
$928
This United Airlines deal was found by Cheapflights users on 3/14. 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 4/96:00 am
OPO
- SFO
2 stops24h 45m
United Airlines
Wed 4/2212:45 am
SFO
- OPO
2 stops25h 00m
United Airlines
Deal found 3/14![United Airlines logo]()
$782
This LEVEL deal was found by Cheapflights users on 3/17. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/39:15 pm
LIS
- LAX
1 stop29h 55m
LEVEL
Sat 4/188:55 pm
LAX
- LIS
1 stop15h 40m
LEVEL
Deal found 3/17![LEVEL logo]()
$869
This Lufthansa deal was found by Cheapflights users on 3/14. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:05 am
LIS
- LAX
1 stop16h 05m
Lufthansa
Sat 5/95:30 pm
LAX
- LIS
1 stop21h 15m
Lufthansa
Deal found 3/14![Lufthansa logo]()
$900
Last-minute flights from Portugal to CaliforniaDiscover last-minute flight deals from Portugal to California. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from Portugal to California. Data last updated March 17, 2026 and is based on user searches.
This ResecentrumGruppen deal was found by Cheapflights users on 3/17. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/25:05 am
LIS
- SFO
1 stop18h 20m
Lufthansa
Thu 4/167:00 am
SFO
- LIS
1 stop17h 20m
Lufthansa
Deal found 3/17![Lufthansa logo]()
$705
This Travelis deal was found by Cheapflights users on 3/13. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/212:00 pm
LIS
- SFO
Nonstop12h 35m
TAP AIR PORTUGAL
Thu 4/167:55 pm
SFO
- LIS
Nonstop11h 15m
TAP AIR PORTUGAL
Deal found 3/13![TAP AIR PORTUGAL logo]()
$733
This Lufthansa deal was found by Cheapflights users on 3/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/212:10 pm
OPO
- SFO
1 stop15h 50m
Lufthansa
Wed 4/157:00 am
SFO
- OPO
1 stop18h 45m
Lufthansa
Deal found 3/16![Lufthansa logo]()
$750
This Expedia deal was found by Cheapflights users on 3/16. 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.
Wed 4/85:55 am
LIS
- SFO
1 stop18h 20m
Multiple Airlines
Thu 4/167:00 am
SFO
- LIS
1 stop17h 20m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$749
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
Mon 4/137:35 pm
LIS
- SFO
1 stop30h 20m
Multiple Airlines
Sun 4/197:40 pm
SFO
- LIS
1 stop15h 15m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$698
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Wed 4/159:15 pm
LIS
- SFO
1 stop28h 40m
Multiple Airlines
Sun 4/197:40 pm
SFO
- LIS
1 stop15h 15m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$696
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Thu 4/168:35 am
OPO
- SFO
1 stop17h 20m
Multiple Airlines
Thu 4/307:40 pm
SFO
- OPO
1 stop17h 40m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$712
This Expedia deal was found by Cheapflights users on 3/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:05 am
LIS
- SFO
1 stop15h 35m
Lufthansa
Thu 4/307:15 pm
SFO
- LIS
1 stop19h 00m
Lufthansa
Deal found 3/15![Lufthansa logo]()
$748
This Gotogate deal was found by Cheapflights users on 3/16. 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.
Fri 4/1712:20 pm
LIS
- SFO
Nonstop12h 30m
TAP AIR PORTUGAL
Thu 4/307:55 pm
SFO
- LIS
Nonstop11h 15m
TAP AIR PORTUGAL
Deal found 3/16![TAP AIR PORTUGAL logo]()
$750
This Iberia deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1810:00 pm
OPO
- LAX
1 stop28h 10m
Iberia
Sun 5/37:55 pm
LAX
- OPO
1 stop17h 25m
Iberia
Deal found 3/17![Iberia logo]()
$726
This Expedia deal was found by Cheapflights users on 3/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:05 am
LIS
- SFO
1 stop15h 35m
Lufthansa
Wed 5/67:15 pm
SFO
- LIS
1 stop19h 00m
Lufthansa
Deal found 3/15![Lufthansa logo]()
$739
This Lufthansa deal was found by Cheapflights users on 3/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:10 pm
OPO
- SFO
1 stop15h 50m
Multiple Airlines
Thu 5/77:35 pm
SFO
- OPO
1 stop14h 55m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$751
One-way flights from Portugal to CaliforniaSearch for one-way flight options from Portugal to California. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
Search for one-way flight options from Portugal to California. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Wed 5/205:25 pm
OPO
- LAX
2 stops36h 40m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Wed 6/310:15 pm
OPO
- LAX
2 stops47h 20m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Wed 5/61:00 pm
OPO
- SFO
3 stops40h 55m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Thu 4/162:10 pm
OPO
- LAX
2 stops39h 53m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 5/269:30 pm
OPO
- LAX
3 stops32h 35m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 5/196:35 pm
OPO
- LAX
2 stops35h 30m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Mon 5/48:50 pm
OPO
- LAX
3 stops57h 15m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 5/510:00 pm
OPO
- SFO
2 stops46h 00m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 5/75:20 pm
OPO
- SFO
3 stops50h 40m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Wed 5/277:30 am
OPO
- LAX
3 stops41h 40m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 5/210:05 pm
OPO
- SFO
2 stops31h 50m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Sun 4/199:10 pm
OPO
- LAX
3 stops56h 53m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$381
Find flight deals from Portugal to California
Keep the following information in mind while searching for Portugal to California flight deals. Data was last updated March 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $529 (Kiwi.com) |
One-way from | $342 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $871 |
Good round-trip deal | $1,079 or less |
Good one-way deal | $770 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Portugal to California that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 17, 2026.
Use the filters below to find and compare flights from Portugal to California that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortoSan Francisco
OPO - SFO
OPOSFO
Porto
Thu 4/2
12:10 pm-8:00 pm
1 stop15h 50m
San Francisco
Wed 4/15
7:00 am-9:45 am
1 stop18h 45m
$750
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Thu 8/27
5:05 am-12:40 pm
1 stop15h 35m
San Francisco
Sun 9/6
9:05 pm-10:45 pm
1 stop17h 40m
$762
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Thu 4/16
7:25 am-8:00 pm
1 stop20h 35m
San Francisco
Mon 4/20
9:05 pm-10:45 pm
1 stop17h 40m
$765
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Fri 5/1
5:05 am-8:00 pm
1 stop22h 55m
San Francisco
Fri 5/8
9:05 pm-10:45 pm
1 stop17h 40m
$766
PortoSan Francisco
OPO - SFO
OPOSFO
Porto
Mon 4/27
6:00 am-9:20 pm
2 stops23h 20m
San Francisco
Mon 5/4
1:40 pm-3:40 pm
1 stop18h 00m
$768
PortoSan Francisco
OPO - SFO
OPOSFO
Porto
Thu 4/9
6:00 am-10:45 pm
2 stops24h 45m
San Francisco
Wed 4/22
12:45 am-9:45 am
2 stops25h 00m
$782
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Tue 5/5
5:05 am-3:25 pm
1 stop18h 20m
San Francisco
Tue 5/12
9:05 pm-10:45 pm
1 stop17h 40m
$785
PortoSan Francisco
OPO - SFO
OPOSFO
Porto
Fri 4/24
6:20 am-7:00 pm
1 stop20h 40m
San Francisco
Fri 5/1
9:05 pm-11:25 pm
1 stop18h 20m
$789
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Thu 4/9
5:55 am-4:15 pm
1 stop18h 20m
San Francisco
Thu 4/23
7:35 pm-2:45 pm
1 stop35h 10m
$790
LisbonSanta Ana
LIS - SNA
LISSNA
Lisbon Humberto Delgado
Tue 4/28
6:30 am-11:15 am
3 stops36h 45m
Santa Ana J. Wayne/Orange Cnty
Tue 5/5
1:15 pm-9:20 am
2 stops36h 05m
$792
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Portugal to California
Have a flexible travel schedule? Discover the best time to fly to California from Portugal with our price prediction graph.
OPO-SFO
LIS-SFO
LIS-SNA
LIS-LAX
OPO-LAS
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 Portugal to California
PT0-USCA
OPO-SFO
LIS-SFO
LIS-SNA
LIS-LAX
What is the cheapest month to book a flight from Portugal to California?
Currently, May is the cheapest month in which you can book a flight from Portugal to California (average of $282). Flying from Portugal to California in August is currently the most expensive (average of $679). 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 PT to CA?
Find hourly flight availability from Portugal to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 17, 2026.
When flying from Portugal to California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing California
Get insights into the airlines that provide service to California. 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 California. Reviews last updated March 17, 2026.
Get a feel of what it's like to fly with Delta,Air France, andUnited Airlines from Portugal to California by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Portugal to California. 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
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Top destinations
Alternative routes for Portugal to California
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to California by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portugal to California by cabin class
Find flights from Portugal to California, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portugal and California flights
Browse other Portugal and California flight options. Last updated on March 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from California
Find the right flight back to Portugal after your stay in California
Portugal to California flights
Consider these flights traveling from Portugal to California.
Top 8 airlines flying from Portugal to California
Discover the top 8 airlines that operate flights from Portugal to California. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$266 | Average$866 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$300 | Average$754 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$351 | Average$830 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$642 | Average$832 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$657 | Average$840 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$688 | Average$844 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$708 | Average$912 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$764 | Average$1,006 | FlexibilityNo cancel fee | On-time69% |