$328+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — LAX
Aug 31 — Sep 71
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 August 1, 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 August 1, 2026.
This Travelis deal was found by Cheapflights users on 7/27. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/311:05 am
LIS
- SFO
1 stop15h 51m
British Airways
Wed 9/164:35 pm
SFO
- LIS
1 stop15h 05m
British Airways
Deal found 7/27![British Airways logo]()
$582
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Wed 12/1611:05 am
LIS
- SFO
1 stop16h 19m
American Airlines
Tue 1/510:11 am
SFO
- LIS
2 stops20h 34m
American Airlines
Deal found 7/27![American Airlines logo]()
$611
This Iberia deal was found by Cheapflights users on 7/27. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:30 pm
LIS
- SFO
2 stops19h 41m
Multiple Airlines
Wed 9/164:35 pm
SFO
- LIS
1 stop15h 05m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$614
This British Airways deal was found by Cheapflights users on 7/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2011:05 am
LIS
- SFO
1 stop19h 21m
British Airways
Thu 12/319:12 am
SFO
- LIS
2 stops18h 58m
British Airways
Deal found 7/27![British Airways logo]()
$615
This Expedia deal was found by Cheapflights users on 7/27. 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.
Thu 9/1712:25 pm
OPO
- SFO
2 stops19h 03m
British Airways
Wed 9/304:35 pm
SFO
- OPO
1 stop18h 30m
British Airways
Deal found 7/27![British Airways logo]()
$623
This British Airways deal was found by Cheapflights users on 7/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/197:00 am
LIS
- SFO
1 stop15h 55m
British Airways
Sun 1/35:25 pm
SFO
- LIS
1 stop16h 20m
British Airways
Deal found 7/27![British Airways logo]()
$625
This Gotogate deal was found by Cheapflights users on 7/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:40 am
OPO
- SFO
1 stop15h 35m
SWISS
Wed 9/307:35 pm
SFO
- OPO
1 stop14h 55m
SWISS
Deal found 7/27![SWISS logo]()
$633
This Gotogate deal was found by Cheapflights users on 7/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:20 am
OPO
- SFO
1 stop20h 40m
Lufthansa
Thu 10/89:05 pm
SFO
- OPO
1 stop18h 20m
Lufthansa
Deal found 7/27![Lufthansa logo]()
$637
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 9/1712:25 pm
OPO
- SFO
2 stops19h 03m
American Airlines
Wed 9/306:00 am
SFO
- OPO
2 stops17h 40m
American Airlines
Deal found 7/27![American Airlines logo]()
$638
This AirNGo deal was found by Cheapflights users on 7/27. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/311:50 am
OPO
- SFO
1 stop17h 01m
Air Canada
Thu 10/84:35 pm
SFO
- OPO
2 stops30h 35m
Air Canada
Deal found 7/27![Air Canada logo]()
$648
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 10/148:40 am
OPO
- SFO
1 stop15h 35m
Multiple Airlines
Wed 10/211:55 pm
SFO
- OPO
1 stop25h 30m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$650
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:20 am
LIS
- SFO
2 stops34h 55m
Multiple Airlines
Tue 9/293:15 pm
SFO
- LIS
2 stops23h 35m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$651
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 August 1, 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 August 1, 2026.
This British Airways deal was found by Cheapflights users on 7/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2011:05 am
LIS
- SFO
1 stop19h 21m
British Airways
Thu 12/319:12 am
SFO
- LIS
2 stops18h 58m
British Airways
Deal found 7/27![British Airways logo]()
$615
This Lufthansa deal was found by Cheapflights users on 7/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:05 am
LIS
- SFO
1 stop15h 35m
Lufthansa
Wed 9/169:05 pm
SFO
- LIS
1 stop17h 40m
Lufthansa
Deal found 7/27![Lufthansa logo]()
$652
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Sat 12/1911:20 am
LIS
- SFO
2 stops19h 43m
United Airlines
Fri 1/11:30 pm
SFO
- LIS
1 stop15h 50m
United Airlines
Deal found 7/27![United Airlines logo]()
$693
This LEVEL deal was found by Cheapflights users on 7/28. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:00 pm
OPO
- LAX
1 stop27h 55m
LEVEL
Sat 9/268:55 pm
LAX
- OPO
1 stop35h 15m
LEVEL
Deal found 7/28![LEVEL logo]()
$745
This Scandinavian Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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.
Fri 11/134:55 pm
LIS
- LAX
1 stop32h 05m
Scandinavian Airlines
Thu 11/267:30 pm
LAX
- LIS
1 stop36h 35m
Scandinavian Airlines
Deal found 7/31![Scandinavian Airlines logo]()
$751
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 9/1111:35 am
LIS
- LAS
1 stop18h 47m
Air Transat
Mon 9/149:45 am
LAS
- LIS
1 stop15h 50m
Air Transat
Deal found 7/27![Air Transat logo]()
$754
This Delta deal was found by Cheapflights users on 7/27. 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.
Sat 10/245:00 am
LIS
- LAX
1 stop14h 50m
Delta
Tue 11/38:00 am
LAX
- LIS
2 stops19h 25m
Delta
Deal found 7/27![Delta logo]()
$768
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/30. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:00 am
OPO
- LAX
1 stop15h 30m
TAP AIR PORTUGAL
Sat 9/264:55 pm
LAX
- OPO
1 stop19h 30m
TAP AIR PORTUGAL
Deal found 7/30![TAP AIR PORTUGAL logo]()
$797
This Iberia deal was found by Cheapflights users on 7/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:35 am
LIS
- SJC
2 stops23h 26m
Iberia
Tue 9/152:36 pm
SJC
- LIS
2 stops21h 29m
Iberia
Deal found 7/29![Iberia logo]()
$810
This KLM deal was found by Cheapflights users on 7/29. 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.
Wed 11/45:00 am
LIS
- SFO
1 stop14h 45m
Multiple Airlines
Wed 11/113:10 pm
SFO
- LIS
1 stop23h 15m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$813
This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/276:35 am
LIS
- SJC
2 stops36h 15m
American Airlines
Mon 8/316:00 am
SJC
- LIS
2 stops27h 55m
American Airlines
Deal found 7/31![American Airlines logo]()
$819
This KLM deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/35:00 am
LIS
- SJC
2 stops20h 12m
KLM
Tue 9/82:41 pm
SJC
- LIS
2 stops20h 04m
KLM
Deal found 7/31![KLM logo]()
$860
This SWISS deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:00 am
FNC
- SFO
2 stops40h 31m
SWISS
Tue 9/227:35 pm
SFO
- FNC
1 stop30h 05m
SWISS
Deal found 8/1![SWISS logo]()
$980
This British Airways deal was found by Cheapflights users on 7/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2011:05 am
LIS
- SFO
1 stop19h 21m
British Airways
Sun 1/35:25 pm
SFO
- LIS
1 stop20h 20m
British Airways
Deal found 7/27![British Airways logo]()
$615
This British Airways deal was found by Cheapflights users on 7/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2111:05 am
LIS
- SFO
1 stop19h 21m
British Airways
Mon 1/48:35 pm
SFO
- LIS
1 stop17h 20m
British Airways
Deal found 7/27![British Airways logo]()
$615
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Mon 8/246:00 am
OPO
- LAX
2 stops22h 27m
United Airlines
Mon 8/317:00 am
LAX
- OPO
2 stops18h 45m
United Airlines
Deal found 7/27![United Airlines logo]()
$738
This Scandinavian Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 12/34:55 pm
LIS
- SFO
1 stop29h 55m
Scandinavian Airlines
Mon 12/74:45 pm
SFO
- LIS
1 stop15h 20m
Scandinavian Airlines
Deal found 7/27![Scandinavian Airlines logo]()
$790
This Delta deal was found by Cheapflights users on 7/29. 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 11/185:00 am
LIS
- SFO
1 stop14h 45m
Delta
Wed 11/259:56 am
SFO
- LIS
2 stops21h 14m
Delta
Deal found 7/29![Delta logo]()
$813
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/29. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:00 pm
OPO
- LAX
1 stop30h 35m
TAP AIR PORTUGAL
Sat 9/264:55 pm
LAX
- OPO
1 stop22h 20m
TAP AIR PORTUGAL
Deal found 7/29![TAP AIR PORTUGAL logo]()
$829
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Mon 8/246:15 am
LIS
- LAX
2 stops20h 10m
United Airlines
Mon 8/315:00 am
LAX
- LIS
2 stops19h 20m
United Airlines
Deal found 7/27![United Airlines logo]()
$758
This LEVEL deal was found by Cheapflights users on 7/28. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:10 pm
LIS
- LAX
1 stop28h 50m
LEVEL
Sat 9/198:55 pm
LAX
- LIS
1 stop36h 15m
LEVEL
Deal found 7/28![LEVEL logo]()
$834
This KLM deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 8/315:00 am
OPO
- SFO
1 stop14h 45m
KLM
Mon 9/71:45 pm
SFO
- OPO
1 stop20h 10m
KLM
Deal found 8/1![KLM logo]()
$863
This Scandinavian Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 11/24:55 pm
LIS
- LAX
1 stop32h 05m
Scandinavian Airlines
Thu 12/37:30 pm
LAX
- LIS
1 stop36h 35m
Scandinavian Airlines
Deal found 8/1![Scandinavian Airlines logo]()
$792
This KLM deal was found by Cheapflights users on 7/28. 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.
Thu 12/245:00 am
LIS
- SJC
2 stops19h 57m
Multiple Airlines
Thu 12/3112:45 pm
SJC
- LIS
2 stops20h 45m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$882
This Delta deal was found by Cheapflights users on 7/28. 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.
Thu 9/35:00 am
LIS
- SFO
1 stop14h 45m
Delta
Wed 9/167:00 am
SFO
- LIS
2 stops20h 15m
Delta
Deal found 7/28![Delta logo]()
$814
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 8/2712:35 pm
OPO
- LAX
2 stops20h 24m
United Airlines
Fri 9/1111:15 pm
LAX
- OPO
1 stop23h 40m
United Airlines
Deal found 7/27![United Airlines logo]()
$761
This Lufthansa deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 9/153:40 pm
FNC
- SFO
1 stop29h 00m
Lufthansa
Tue 9/227:00 am
SFO
- FNC
1 stop17h 05m
Lufthansa
Deal found 8/1![Lufthansa logo]()
$929
This Turkish Airlines deal was found by Cheapflights users on 7/28. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:45 pm
LIS
- ONT
2 stops36h 12m
Turkish Airlines
Sun 10/410:39 pm
ONT
- LIS
2 stops32h 56m
Turkish Airlines
Deal found 7/28![Turkish Airlines logo]()
$1,937
This KLM deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/257:25 pm
FNC
- SFO
1 stop24h 20m
KLM
Thu 10/11:45 pm
SFO
- FNC
1 stop20h 50m
KLM
Deal found 7/31![KLM logo]()
$884
This Scandinavian Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 1/214:55 pm
LIS
- LAX
1 stop32h 05m
Scandinavian Airlines
Sun 1/241:45 pm
LAX
- LIS
2 stops18h 20m
Scandinavian Airlines
Deal found 7/31![Scandinavian Airlines logo]()
$809
Last-minute flights from Portugal to CaliforniaDiscover last-minute flight deals from Portugal to California. Data last updated August 1, 2026 and is based on user searches.
Discover last-minute flight deals from Portugal to California. Data last updated August 1, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/128:55 am
OPO
- SFO
2 stops23h 35m
United Airlines
Wed 8/265:00 am
SFO
- OPO
2 stops17h 55m
United Airlines
Deal found 7/27![United Airlines logo]()
$670
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 8/139:00 am
OPO
- SFO
1 stop18h 14m
United Airlines
Wed 8/268:10 am
SFO
- OPO
1 stop14h 50m
United Airlines
Deal found 7/27![United Airlines logo]()
$673
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Thu 8/1312:35 pm
OPO
- SFO
1 stop15h 44m
Brussels Airlines
Sat 8/296:00 am
SFO
- OPO
1 stop19h 45m
Brussels Airlines
Deal found 7/27![Brussels Airlines logo]()
$690
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Thu 8/1312:35 pm
OPO
- SFO
1 stop16h 40m
Lufthansa
Sun 8/239:05 pm
SFO
- OPO
1 stop18h 20m
Lufthansa
Deal found 7/27![Lufthansa logo]()
$691
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Mon 8/246:35 am
LIS
- LAX
1 stop17h 30m
American Airlines
Mon 8/314:30 pm
LAX
- LIS
1 stop15h 15m
American Airlines
Deal found 7/27![American Airlines logo]()
$698
This Thrive Travel deal was found by Cheapflights users on 7/27. 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:05 am
LIS
- LAX
2 stops17h 07m
Multiple Airlines
Mon 8/314:30 pm
LAX
- LIS
1 stop17h 25m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$710
This Booking.com deal was found by Cheapflights users on 7/27. 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.
Mon 8/246:00 am
OPO
- LAX
1 stop18h 20m
Multiple Airlines
Mon 8/3110:30 pm
LAX
- OPO
1 stop24h 30m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$728
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Mon 8/246:00 am
OPO
- LAX
1 stop18h 20m
United Airlines
Mon 8/315:30 am
LAX
- OPO
2 stops17h 25m
United Airlines
Deal found 7/27![United Airlines logo]()
$732
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Mon 8/246:15 am
LIS
- LAX
2 stops20h 10m
United Airlines
Mon 8/315:00 am
LAX
- LIS
2 stops19h 20m
United Airlines
Deal found 7/27![United Airlines logo]()
$758
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 8/2712:35 pm
OPO
- LAX
2 stops20h 24m
United Airlines
Fri 9/1111:15 pm
LAX
- OPO
1 stop23h 40m
United Airlines
Deal found 7/27![United Airlines logo]()
$761
This Lufthansa deal was found by Cheapflights users on 7/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:00 am
OPO
- SFO
1 stop17h 15m
Lufthansa
Fri 9/119:05 pm
SFO
- OPO
1 stop18h 20m
Lufthansa
Deal found 7/27![Lufthansa logo]()
$730
This Gotogate deal was found by Cheapflights users on 7/28. 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.
Sat 8/295:05 am
LIS
- SFO
1 stop15h 35m
Lufthansa
Mon 9/149:05 pm
SFO
- LIS
1 stop17h 40m
Lufthansa
Deal found 7/28![Lufthansa logo]()
$752
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 August 1, 2026.
Search for one-way flight options from Portugal to California. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/156:15 am
OPO
- LAX
3 stops23h 50m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/148:15 pm
OPO
- LAX
3 stops33h 50m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/164:05 pm
OPO
- LAX
3 stops55h 55m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Tue 10/138:30 am
OPO
- LAX
2 stops40h 40m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Tue 9/292:40 pm
OPO
- LAX
3 stops34h 30m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/1411:00 pm
LIS
- LAS
3 stops41h 47m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 10/147:40 am
OPO
- LAX
3 stops41h 30m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Tue 9/159:30 pm
OPO
- SFO
2 stops25h 05m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Thu 11/195:40 pm
OPO
- LAX
2 stops31h 25m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Wed 9/162:40 pm
OPO
- SFO
2 stops31h 50m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Fri 10/3012:25 pm
OPO
- SFO
3 stops33h 35m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 11/163:25 pm
OPO
- LAX
2 stops33h 40m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$420
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 August 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $582 (Travelis) |
One-way from | $328 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $1,014 |
Good round-trip deal | $698 or less |
Good one-way deal | $838 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 August 1, 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 Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Sun 12/20
11:05 am-10:26 pm
1 stop19h 21m
San Francisco
Thu 12/31
9:12 am-12:10 pm
2 stops18h 58m
$615
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Sun 12/20
11:05 am-10:26 pm
1 stop19h 21m
San Francisco
Sun 1/3
5:25 pm-9:45 pm
1 stop20h 20m
$615
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Mon 12/21
11:05 am-10:26 pm
1 stop19h 21m
San Francisco
Mon 1/4
8:35 pm-9:55 pm
1 stop17h 20m
$615
Quickest round-trip
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Thu 9/3
5:05 am-12:40 pm
1 stop15h 35m
San Francisco
Wed 9/16
9:05 pm-10:45 pm
1 stop17h 40m
$652
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Sat 12/19
11:20 am-11:03 pm
2 stops19h 43m
San Francisco
Fri 1/1
1:30 pm-1:20 pm
1 stop15h 50m
$693
PortoLos Angeles
OPO - LAX
OPOLAX
Porto
Mon 8/24
6:00 am-8:27 pm
2 stops22h 27m
Los Angeles
Mon 8/31
7:00 am-9:45 am
2 stops18h 45m
$738
PortoLos Angeles
OPO - LAX
OPOLAX
Porto
Thu 9/10
10:00 pm-5:55 pm
1 stop27h 55m
Los Angeles
Sat 9/26
8:55 pm-4:10 pm
1 stop35h 15m
$745
LisbonLos Angeles
LIS - LAX
LISLAX
Lisbon Humberto Delgado
Fri 11/13
4:55 pm-5:00 pm
1 stop32h 05m
Los Angeles
Thu 11/26
7:30 pm-4:05 pm
1 stop36h 35m
$751
LisbonLas Vegas
LIS - LAS
LISLAS
Lisbon Humberto Delgado
Fri 9/11
11:35 am-10:22 pm
1 stop18h 47m
Las Vegas Harry Reid Intl
Mon 9/14
9:45 am-9:35 am
1 stop15h 50m
$754
LisbonLos Angeles
LIS - LAX
LISLAX
Lisbon Humberto Delgado
Mon 8/24
6:15 am-6:25 pm
2 stops20h 10m
Los Angeles
Mon 8/31
5:00 am-8:20 am
2 stops19h 20m
$758
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-LAX
OPO-LAX
LIS-SFO
LIS-SAN
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-LAX
OPO-LAX
LIS-SFO
What is the cheapest month to book a flight from Portugal to California?
Currently, February is the cheapest month in which you can book a flight from Portugal to California (average of $774). Flying from Portugal to California in July is currently the most expensive (average of $1,103). 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 August 1, 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 60 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 August 1, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andTAP AIR PORTUGAL 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.
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
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
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Complete your 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 August 1, 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 August 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$561 | Average$909 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$610 | Average$809 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$634 | Average$914 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$637 | Average$986 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$642 | Average$868 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$688 | Average$844 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$708 | Average$927 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$731 | Average$1,047 | FlexibilityNo cancel fee | On-time69% |