$352+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — LAX
Jul 19 — Jul 261
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 June 19, 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 June 19, 2026.
This Trip.com deal was found by Cheapflights users on 6/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2011:35 am
LIS
- LAS
1 stop29h 12m
Air Transat
Tue 8/411:20 pm
LAS
- LIS
1 stop26h 15m
Air Transat
Deal found 6/15![Air Transat logo]()
$632
This Iberia deal was found by Cheapflights users on 6/17. 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 9/89:15 pm
LIS
- LAX
2 stops31h 00m
Iberia
Fri 10/237:50 pm
LAX
- LIS
1 stop14h 50m
Iberia
Deal found 6/17![Iberia logo]()
$654
This deal was found by Cheapflights users on 6/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:20 am
LIS
- SFO
1 stop18h 10m
British Airways
Wed 9/94:35 pm
SFO
- LIS
1 stop15h 05m
British Airways
Deal found 6/16![British Airways logo]()
$669
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 10/56:40 am
LIS
- LAX
1 stop20h 15m
Multiple Airlines
Sat 10/108:55 pm
LAX
- LIS
1 stop14h 50m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$672
This Iberia deal was found by Cheapflights users on 6/17. 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 9/89:15 pm
LIS
- LAX
2 stops31h 00m
Iberia
Sat 10/248:55 pm
LAX
- LIS
1 stop16h 30m
Iberia
Deal found 6/17![Iberia logo]()
$679
This Mytrip deal was found by Cheapflights users on 6/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:15 am
LIS
- LAX
3 stops23h 50m
Multiple Airlines
Tue 9/2212:25 pm
LAX
- LIS
2 stops26h 05m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$693
This Rumbo deal was found by Cheapflights users on 6/15. 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 7/271:30 pm
OPO
- LAS
1 stop16h 52m
Air Transat
Wed 8/1211:20 pm
LAS
- OPO
1 stop28h 25m
Air Transat
Deal found 6/15![Air Transat logo]()
$727
This Iberia deal was found by Cheapflights users on 6/17. 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.
Sun 10/119:30 pm
OPO
- LAX
1 stop22h 00m
Multiple Airlines
Sat 10/248:55 pm
LAX
- OPO
1 stop17h 20m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$732
This Iberia deal was found by Cheapflights users on 6/17. 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 9/97:05 pm
LIS
- LAX
2 stops26h 45m
Iberia
Fri 10/237:50 pm
LAX
- LIS
1 stop14h 50m
Iberia
Deal found 6/17![Iberia logo]()
$735
This Gotogate deal was found by Cheapflights users on 6/16. 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.
Tue 12/14:55 pm
LIS
- LAX
1 stop32h 05m
Scandinavian Airlines
Thu 12/107:30 pm
LAX
- LIS
1 stop36h 35m
Scandinavian Airlines
Deal found 6/16![Scandinavian Airlines logo]()
$736
This Rumbo deal was found by Cheapflights users on 6/19. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:40 pm
LIS
- LAX
1 stop21h 40m
Royal Air Maroc
Sun 10/1810:20 am
LAX
- LIS
1 stop17h 30m
Royal Air Maroc
Deal found 6/19![Royal Air Maroc logo]()
$737
This Mytrip deal was found by Cheapflights users on 6/16. 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.
Thu 9/109:40 pm
LIS
- LAX
2 stops28h 45m
Multiple Airlines
Wed 9/168:10 pm
LAX
- LIS
3 stops28h 20m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$741
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 June 19, 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 June 19, 2026.
This American Airlines deal was found by Cheapflights users on 6/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:20 am
LIS
- SJC
2 stops20h 25m
American Airlines
Mon 12/711:09 am
SJC
- LIS
2 stops23h 46m
American Airlines
Deal found 6/19![American Airlines logo]()
$746
This Scandinavian Airlines deal was found by Cheapflights users on 6/19. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/34:55 pm
LIS
- LAX
1 stop32h 05m
Scandinavian Airlines
Sun 12/67:30 pm
LAX
- LIS
1 stop36h 35m
Scandinavian Airlines
Deal found 6/19![Scandinavian Airlines logo]()
$748
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:00 am
OPO
- SFO
1 stop14h 45m
Delta
Wed 10/73:05 pm
SFO
- OPO
1 stop22h 55m
Delta
Deal found 6/19![Delta logo]()
$753
This KLM deal was found by Cheapflights users on 6/15. 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.
Wed 9/235:00 am
OPO
- SFO
1 stop14h 45m
KLM
Wed 10/73:05 pm
SFO
- OPO
1 stop22h 55m
KLM
Deal found 6/15![KLM logo]()
$757
This British Airways deal was found by Cheapflights users on 6/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1311:05 am
LIS
- SFO
1 stop16h 19m
British Airways
Sun 1/241:30 pm
SFO
- LIS
2 stops20h 15m
British Airways
Deal found 6/19![British Airways logo]()
$761
This KLM deal was found by Cheapflights users on 6/15. 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 10/15:00 am
LIS
- SFO
1 stop14h 45m
Multiple Airlines
Mon 10/123:05 pm
SFO
- LIS
1 stop18h 45m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$765
This United Airlines deal was found by Cheapflights users on 6/16. 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 7/86:00 am
OPO
- SFO
1 stop17h 15m
United Airlines
Sat 7/186:00 am
SFO
- OPO
1 stop16h 55m
United Airlines
Deal found 6/16![United Airlines logo]()
$948
This Air Canada deal was found by Cheapflights users on 6/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:00 am
LIS
- LAX
2 stops19h 09m
Air Canada
Sun 12/65:05 pm
LAX
- LIS
2 stops32h 45m
Air Canada
Deal found 6/19![Air Canada logo]()
$980
This Gotogate deal was found by Cheapflights users on 6/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:10 pm
FAO
- LAX
1 stop28h 25m
TAP AIR PORTUGAL
Tue 8/184:45 pm
LAX
- FAO
1 stop33h 40m
TAP AIR PORTUGAL
Deal found 6/18![TAP AIR PORTUGAL logo]()
$987
This American Airlines deal was found by Cheapflights users on 6/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:20 am
LIS
- SJC
2 stops33h 56m
American Airlines
Mon 11/911:06 am
SJC
- LIS
2 stops19h 49m
American Airlines
Deal found 6/16![American Airlines logo]()
$754
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:25 am
OPO
- SFO
2 stops20h 52m
Delta
Tue 10/611:05 am
SFO
- OPO
2 stops20h 20m
Delta
Deal found 6/19![Delta logo]()
$759
This KLM deal was found by Cheapflights users on 6/16. 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.
Sat 10/245:00 am
OPO
- SFO
1 stop14h 45m
KLM
Tue 10/272:50 pm
SFO
- OPO
1 stop17h 35m
KLM
Deal found 6/16![KLM logo]()
$764
This British Airways deal was found by Cheapflights users on 6/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:05 am
LIS
- SFO
1 stop19h 51m
British Airways
Tue 10/133:50 pm
SFO
- LIS
2 stops18h 05m
British Airways
Deal found 6/15![British Airways logo]()
$765
This British Airways deal was found by Cheapflights users on 6/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1211:05 am
LIS
- SFO
1 stop19h 23m
British Airways
Sun 1/245:25 pm
SFO
- LIS
1 stop16h 20m
British Airways
Deal found 6/18![British Airways logo]()
$767
This Delta deal was found by Cheapflights users on 6/18. 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.
Thu 10/85:00 am
LIS
- SFO
1 stop14h 45m
Delta
Thu 10/1511:05 am
SFO
- LIS
2 stops19h 50m
Delta
Deal found 6/18![Delta logo]()
$767
This KLM deal was found by Cheapflights users on 6/15. 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.
Fri 10/25:00 am
LIS
- SFO
1 stop14h 45m
KLM
Tue 10/131:45 pm
SFO
- LIS
1 stop16h 50m
KLM
Deal found 6/15![KLM logo]()
$770
This KLM deal was found by Cheapflights users on 6/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:10 pm
OPO
- LAS
1 stop30h 05m
Multiple Airlines
Tue 11/109:50 am
LAS
- OPO
2 stops16h 45m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$874
This Delta deal was found by Cheapflights users on 6/17. 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 9/95:00 am
LIS
- SFO
1 stop14h 45m
Delta
Mon 9/213:05 pm
SFO
- LIS
1 stop15h 50m
Delta
Deal found 6/17![Delta logo]()
$768
This American Airlines deal was found by Cheapflights users on 6/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:30 am
LIS
- ONT
2 stops22h 41m
American Airlines
Mon 11/162:59 pm
ONT
- LIS
2 stops19h 56m
American Airlines
Deal found 6/19![American Airlines logo]()
$860
This KLM deal was found by Cheapflights users on 6/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:15 am
OPO
- LAS
1 stop35h 00m
Multiple Airlines
Wed 11/119:50 am
LAS
- OPO
2 stops16h 45m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$874
This Turkish Airlines deal was found by Cheapflights users on 6/19. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:05 pm
LIS
- ONT
2 stops59h 08m
Turkish Airlines
Tue 9/299:10 pm
ONT
- LIS
2 stops34h 25m
Turkish Airlines
Deal found 6/19![Turkish Airlines logo]()
$1,934
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:00 am
OPO
- LAS
1 stop16h 35m
United Airlines
Mon 12/710:00 am
LAS
- OPO
1 stop15h 30m
United Airlines
Deal found 6/19![United Airlines logo]()
$969
This Delta deal was found by Cheapflights users on 6/16. 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 9/15:00 am
LIS
- SFO
2 stops21h 13m
Delta
Thu 11/2610:00 am
SFO
- LIS
2 stops21h 10m
Delta
Deal found 6/16![Delta logo]()
$774
This KLM deal was found by Cheapflights users on 6/16. 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.
Thu 7/95:00 am
OPO
- SFO
1 stop14h 45m
KLM
Sun 7/198:10 pm
SFO
- OPO
1 stop17h 50m
KLM
Deal found 6/16![KLM logo]()
$855
This American Airlines deal was found by Cheapflights users on 6/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:20 am
LIS
- LAX
2 stops20h 19m
American Airlines
Sun 12/65:30 pm
LAX
- LIS
1 stop16h 15m
American Airlines
Deal found 6/19![American Airlines logo]()
$860
This British Airways deal was found by Cheapflights users on 6/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:00 pm
FAO
- LAX
1 stop30h 25m
British Airways
Sun 10/186:00 am
LAX
- FAO
2 stops22h 00m
British Airways
Deal found 6/19![British Airways logo]()
$863
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Wed 7/812:00 pm
OPO
- SFO
1 stop15h 50m
United Airlines
Thu 7/3011:10 am
SFO
- OPO
1 stop35h 50m
United Airlines
Deal found 6/15![United Airlines logo]()
$972
This Mytrip deal was found by Cheapflights users on 6/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:40 am
FAO
- LAX
2 stops30h 40m
Multiple Airlines
Tue 7/710:20 am
LAX
- FAO
3 stops29h 30m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$894
This Delta deal was found by Cheapflights users on 6/17. 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 9/95:00 am
LIS
- SFO
2 stops18h 54m
Delta
Wed 9/301:15 pm
SFO
- LIS
2 stops20h 35m
Delta
Deal found 6/17![Delta logo]()
$774
This American Airlines deal was found by Cheapflights users on 6/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:00 pm
FAO
- LAX
1 stop30h 25m
American Airlines
Sun 10/1810:30 pm
LAX
- FAO
2 stops32h 15m
American Airlines
Deal found 6/18![American Airlines logo]()
$861
Last-minute flights from Portugal to CaliforniaDiscover last-minute flight deals from Portugal to California. Data last updated June 19, 2026 and is based on user searches.
Discover last-minute flight deals from Portugal to California. Data last updated June 19, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2212:25 pm
OPO
- SFO
2 stops20h 27m
American Airlines
Wed 7/81:39 pm
SFO
- OPO
2 stops18h 21m
American Airlines
Deal found 6/15![American Airlines logo]()
$759
This Delta deal was found by Cheapflights users on 6/15. 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 6/225:00 am
OPO
- SFO
2 stops20h 15m
Delta
Wed 7/88:10 pm
SFO
- OPO
1 stop17h 50m
Delta
Deal found 6/15![Delta logo]()
$764
This Flysmarter deal was found by Cheapflights users on 6/15. 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.
Mon 6/225:00 am
OPO
- SFO
1 stop14h 45m
Multiple Airlines
Wed 7/88:10 pm
SFO
- OPO
1 stop17h 50m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$788
This lol.travel deal was found by Cheapflights users on 6/17. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/21:30 pm
OPO
- LAS
1 stop16h 52m
Air Transat
Thu 7/1611:20 pm
LAS
- OPO
1 stop28h 25m
Air Transat
Deal found 6/17![Air Transat logo]()
$758
This Air Transat deal was found by Cheapflights users on 6/18. 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 Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/211:35 am
LIS
- LAS
1 stop18h 47m
Air Transat
Tue 7/2111:20 pm
LAS
- LIS
1 stop26h 15m
Air Transat
Deal found 6/18![Air Transat logo]()
$767
This Gotogate deal was found by Cheapflights users on 6/19. 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 7/91:30 pm
OPO
- LAS
1 stop16h 52m
Air Transat
Wed 7/2211:20 pm
LAS
- OPO
1 stop28h 25m
Air Transat
Deal found 6/19![Air Transat logo]()
$748
This Trip.com deal was found by Cheapflights users on 6/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2011:35 am
LIS
- LAS
1 stop29h 12m
Air Transat
Tue 8/411:20 pm
LAS
- LIS
1 stop26h 15m
Air Transat
Deal found 6/15![Air Transat logo]()
$632
This Air Transat deal was found by Cheapflights users on 6/16. 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 Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2011:35 am
LIS
- LAS
1 stop18h 47m
Air Transat
Tue 7/2811:20 pm
LAS
- LIS
1 stop26h 15m
Air Transat
Deal found 6/16![Air Transat logo]()
$746
This Gotogate deal was found by Cheapflights users on 6/16. 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.
Tue 7/211:30 pm
OPO
- LAS
1 stop16h 52m
Air Transat
Tue 7/2811:20 pm
LAS
- OPO
1 stop28h 35m
Air Transat
Deal found 6/16![Air Transat logo]()
$783
This Gotogate deal was found by Cheapflights users on 6/16. 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.
Tue 7/2111:35 am
LIS
- LAS
1 stop18h 47m
Air Transat
Tue 7/2811:20 pm
LAS
- LIS
1 stop26h 15m
Air Transat
Deal found 6/16![Air Transat logo]()
$787
This Air Transat deal was found by Cheapflights users on 6/16. 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 Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/231:30 pm
OPO
- LAS
1 stop16h 52m
Air Transat
Wed 7/299:45 am
LAS
- OPO
1 stop18h 10m
Air Transat
Deal found 6/16![Air Transat logo]()
$787
This Rumbo deal was found by Cheapflights users on 6/15. 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 7/271:30 pm
OPO
- LAS
1 stop16h 52m
Air Transat
Wed 8/1211:20 pm
LAS
- OPO
1 stop28h 25m
Air Transat
Deal found 6/15![Air Transat logo]()
$727
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 June 19, 2026.
Search for one-way flight options from Portugal to California. Find affordable one-way fares based on user searches. Data last updated June 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 9/22:40 pm
OPO
- LAX
3 stops55h 25m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Tue 9/16:15 am
OPO
- LAX
3 stops39h 50m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Sat 9/129:15 pm
OPO
- LAX
3 stops32h 50m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Thu 11/55:40 pm
OPO
- SFO
3 stops35h 48m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:15 pm
OPO
- LAX
3 stops59h 55m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 8/176:15 am
LIS
- LAS
3 stops58h 22m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:00 pm
OPO
- LAX
3 stops53h 10m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:00 pm
OPO
- LAS
3 stops56h 41m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$431
This Iberia deal was found by Cheapflights users on 6/19. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:20 am
OPO
- SFO
2 stops22h 39m
Iberia
Deal found 6/19![Iberia logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:55 pm
OPO
- LAX
3 stops53h 10m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Fri 10/169:30 pm
OPO
- LAX
3 stops51h 40m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$436
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Sun 11/227:55 pm
OPO
- LAX
3 stops53h 10m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$438
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 June 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $632 (Trip.com) |
One-way from | $352 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,108 |
Good round-trip deal | $1,034 or less |
Good one-way deal | $801 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 June 19, 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
LisbonSan Jose
LIS - SJC
LISSJC
Lisbon Humberto Delgado
Thu 12/3
8:20 am-8:45 pm
2 stops20h 25m
San Jose
Mon 12/7
11:09 am-6:55 pm
2 stops23h 46m
$746
LisbonLos Angeles
LIS - LAX
LISLAX
Lisbon Humberto Delgado
Thu 12/3
4:55 pm-5:00 pm
1 stop32h 05m
Los Angeles
Sun 12/6
7:30 pm-4:05 pm
1 stop36h 35m
$748
PortoSan Francisco
OPO - SFO
OPOSFO
Porto
Wed 9/23
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Wed 10/7
3:05 pm-10:00 pm
1 stop22h 55m
$753
LisbonSan Jose
LIS - SJC
LISSJC
Lisbon Humberto Delgado
Thu 11/5
8:20 am-10:16 am
2 stops33h 56m
San Jose
Mon 11/9
11:06 am-2:55 pm
2 stops19h 49m
$754
PortoSan Francisco
OPO - SFO
OPOSFO
Porto
Wed 9/23
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Wed 10/7
3:05 pm-10:00 pm
1 stop22h 55m
$757
PortoSan Francisco
OPO - SFO
OPOSFO
Porto
Fri 9/25
11:25 am-12:17 am
2 stops20h 52m
San Francisco
Tue 10/6
11:05 am-3:25 pm
2 stops20h 20m
$759
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Sun 12/13
11:05 am-7:24 pm
1 stop16h 19m
San Francisco
Sun 1/24
1:30 pm-5:45 pm
2 stops20h 15m
$761
PortoSan Francisco
OPO - SFO
OPOSFO
Porto
Sat 10/24
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Tue 10/27
2:50 pm-3:25 pm
1 stop17h 35m
$764
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Thu 10/1
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Mon 10/12
3:05 pm-5:50 pm
1 stop18h 45m
$765
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Thu 10/1
11:05 am-10:56 pm
1 stop19h 51m
San Francisco
Tue 10/13
3:50 pm-5:55 pm
2 stops18h 05m
$765
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-LAX
OPO-SFO
LIS-LAS
OPO-LAS
FAO-LAX
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-LAX
OPO-SFO
LIS-LAS
OPO-LAS
What is the cheapest month to book a flight from Portugal to California?
Currently, September is the cheapest month in which you can book a flight from Portugal to California (average of $250). Flying from Portugal to California in April is currently the most expensive (average of $610). 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 June 19, 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.
How far ahead should I book a flight from Portugal to California?
To ensure you get the cheapest price possible for a flight from Portugal to California, you should look to book at least 77 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 June 19, 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.
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
TUS - LAX
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
TUS - LAX
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
TUS - LAX
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
TUS - LAX
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
TUS - LAX
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
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.
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Return Flight Options
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 June 19, 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 June 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$351 | Average$896 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$585 | Average$809 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$604 | Average$925 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$637 | Average$907 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$642 | Average$878 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$688 | Average$901 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$708 | Average$877 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$764 | Average$1,017 | FlexibilityNo cancel fee | On-time69% |