$263+ Cheap flights from California to Portugal
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LIS
Aug 31 — Sep 71
Round-trip
1 adult, Economy
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Find cheap flights from California to Portugal with Cheapflights
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Cheapest flights from California to PortugalExplore the most affordable flight options available from California to Portugal. 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 California to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:35 pm
SFO
- OPO
1 stop31h 50m
SWISS
Tue 9/2912:15 pm
OPO
- SFO
1 stop36h 00m
SWISS
Deal found 7/28![SWISS logo]()
$263
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:35 pm
SFO
- OPO
1 stop14h 25m
TAP AIR PORTUGAL
Fri 11/68:00 pm
OPO
- SFO
1 stop26h 45m
TAP AIR PORTUGAL
Deal found 7/27![TAP AIR PORTUGAL logo]()
$656
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:30 pm
SFO
- OPO
1 stop24h 10m
TAP AIR PORTUGAL
Mon 10/199:15 pm
OPO
- SFO
1 stop24h 20m
TAP AIR PORTUGAL
Deal found 7/28![TAP AIR PORTUGAL logo]()
$668
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:20 pm
SFO
- OPO
2 stops21h 20m
TAP AIR PORTUGAL
Tue 9/2210:30 pm
OPO
- SFO
1 stop24h 05m
TAP AIR PORTUGAL
Deal found 7/28![TAP AIR PORTUGAL logo]()
$678
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:45 pm
SFO
- OPO
1 stop16h 15m
Scandinavian Airlines
Wed 11/1111:55 am
OPO
- SFO
1 stop34h 55m
Scandinavian Airlines
Deal found 7/28![Scandinavian Airlines logo]()
$701
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 9/114:45 pm
SFO
- LIS
1 stop21h 20m
Scandinavian Airlines
Wed 9/2311:50 pm
LIS
- SFO
1 stop22h 50m
Scandinavian Airlines
Deal found 7/28![Scandinavian Airlines logo]()
$703
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.
Sat 9/127:35 pm
SFO
- OPO
1 stop29h 25m
TAP AIR PORTUGAL
Tue 9/229:15 pm
OPO
- SFO
1 stop25h 20m
TAP AIR PORTUGAL
Deal found 7/28![TAP AIR PORTUGAL logo]()
$705
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:10 am
SFO
- LIS
2 stops28h 25m
Multiple Airlines
Wed 10/77:10 pm
LIS
- SFO
3 stops28h 11m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$707
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:30 pm
SFO
- OPO
1 stop16h 30m
TAP AIR PORTUGAL
Tue 9/299:15 pm
OPO
- SFO
1 stop25h 20m
TAP AIR PORTUGAL
Deal found 7/28![TAP AIR PORTUGAL logo]()
$708
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:35 pm
SFO
- LIS
Nonstop11h 15m
TAP AIR PORTUGAL
Wed 9/309:40 am
LIS
- SFO
Nonstop12h 55m
TAP AIR PORTUGAL
Deal found 7/28![TAP AIR PORTUGAL logo]()
$708
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:20 pm
SFO
- OPO
2 stops21h 20m
TAP AIR PORTUGAL
Wed 9/235:05 am
OPO
- SFO
1 stop17h 30m
TAP AIR PORTUGAL
Deal found 7/28![TAP AIR PORTUGAL logo]()
$709
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/54:45 pm
SFO
- LIS
1 stop15h 20m
Scandinavian Airlines
Sat 12/124:55 pm
LIS
- SFO
1 stop29h 55m
Scandinavian Airlines
Deal found 7/29![Scandinavian Airlines logo]()
$709
Best flights from California to PortugalDiscover carefully curated flight deals from California to Portugal 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 California to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 1, 2026.
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.
Tue 10/272:10 pm
SAN
- OPO
2 stops24h 50m
Delta
Tue 11/35:00 am
OPO
- SAN
1 stop15h 10m
Delta
Deal found 7/29![Delta logo]()
$746
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/183:25 pm
LAS
- LIS
1 stop23h 00m
Air France
Wed 11/255:30 am
LIS
- LAS
1 stop15h 40m
Air France
Deal found 8/1![Air France logo]()
$751
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/251:50 pm
SFO
- OPO
1 stop17h 30m
United Airlines
Fri 1/2912:35 pm
OPO
- SFO
1 stop15h 35m
United Airlines
Deal found 7/31![United Airlines logo]()
$755
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/307:25 pm
SFO
- LIS
1 stop35h 10m
SWISS
Mon 1/1111:50 am
LIS
- SFO
1 stop36h 40m
SWISS
Deal found 7/28![SWISS logo]()
$785
This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:45 pm
SFO
- LIS
1 stop18h 40m
Multiple Airlines
Thu 9/177:00 am
LIS
- SFO
2 stops23h 27m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$815
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/511:20 am
LAS
- LIS
2 stops40h 50m
Finnair
Mon 1/114:10 pm
LIS
- LAS
2 stops34h 12m
Finnair
Deal found 7/31![Finnair logo]()
$822
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/317:00 am
SFO
- LIS
2 stops24h 45m
Scandinavian Airlines
Fri 1/154:55 pm
LIS
- SFO
1 stop29h 55m
Scandinavian Airlines
Deal found 7/28![Scandinavian Airlines logo]()
$839
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:40 pm
SAN
- LIS
1 stop30h 25m
British Airways
Mon 10/196:45 pm
LIS
- SAN
1 stop28h 10m
British Airways
Deal found 8/1![British Airways logo]()
$912
This LEVEL 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:10 pm
LAX
- OPO
1 stop35h 00m
LEVEL
Sat 8/298:35 am
OPO
- LAX
1 stop18h 40m
LEVEL
Deal found 8/1![LEVEL logo]()
$935
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/2410:58 am
ONT
- OPO
2 stops16h 47m
Iberia
Thu 1/288:40 pm
OPO
- ONT
2 stops34h 09m
Iberia
Deal found 8/1![Iberia logo]()
$1,013
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:35 pm
SFO
- TER
1 stop20h 40m
TAP AIR PORTUGAL
Sun 8/237:10 am
TER
- SFO
1 stop37h 55m
TAP AIR PORTUGAL
Deal found 7/27![TAP AIR PORTUGAL logo]()
$1,121
This Turkish Airlines 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:39 pm
ONT
- OPO
2 stops57h 11m
Turkish Airlines
Mon 9/2810:40 am
OPO
- ONT
2 stops42h 17m
Turkish Airlines
Deal found 7/29![Turkish Airlines logo]()
$1,129
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.
Fri 10/911:56 am
ONT
- OPO
2 stops19h 34m
KLM
Sat 10/175:00 am
OPO
- ONT
2 stops20h 12m
KLM
Deal found 7/28![KLM logo]()
$1,129
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:50 am
SAN
- OPO
2 stops16h 40m
United Airlines
Fri 12/1112:35 pm
OPO
- SAN
1 stop18h 03m
United Airlines
Deal found 8/1![United Airlines logo]()
$765
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/233:10 pm
SFO
- LIS
1 stop16h 00m
Delta
Fri 11/275:30 am
LIS
- SFO
2 stops24h 54m
Delta
Deal found 8/1![Delta logo]()
$775
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:00 am
LAS
- LIS
2 stops18h 10m
United Airlines
Tue 12/112:50 pm
LIS
- LAS
2 stops31h 56m
United Airlines
Deal found 8/1![United Airlines logo]()
$776
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:00 am
LAS
- LIS
2 stops17h 40m
Multiple Airlines
Mon 11/308:45 pm
LIS
- LAS
2 stops19h 21m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$855
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.
Thu 12/244:45 pm
SFO
- LIS
1 stop15h 20m
Scandinavian Airlines
Wed 12/304:55 pm
LIS
- SFO
1 stop29h 55m
Scandinavian Airlines
Deal found 8/1![Scandinavian Airlines logo]()
$865
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:35 pm
LAX
- OPO
1 stop31h 50m
SWISS
Mon 8/318:05 pm
OPO
- LAX
2 stops28h 25m
SWISS
Deal found 7/30![SWISS logo]()
$882
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:25 pm
LAX
- LIS
1 stop15h 25m
Delta
Mon 10/1911:55 am
LIS
- LAX
1 stop31h 55m
Delta
Deal found 7/31![Delta logo]()
$805
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/224:40 pm
SFO
- LIS
1 stop32h 40m
United Airlines
Tue 12/15:00 am
LIS
- SFO
1 stop15h 35m
United Airlines
Deal found 7/29![United Airlines logo]()
$783
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.
Mon 10/53:05 pm
SFO
- LIS
1 stop18h 45m
Delta
Tue 10/205:00 am
LIS
- SFO
1 stop14h 45m
Delta
Deal found 7/28![Delta logo]()
$809
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.
Sun 11/2212:05 pm
SFO
- LIS
2 stops44h 00m
Scandinavian Airlines
Sun 11/297:00 pm
LIS
- SFO
1 stop27h 50m
Scandinavian Airlines
Deal found 8/1![Scandinavian Airlines logo]()
$920
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:10 pm
LAS
- LIS
1 stop17h 05m
Multiple Airlines
Tue 9/223:50 pm
LIS
- LAS
1 stop32h 00m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$943
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:37 pm
ONT
- OPO
2 stops23h 28m
British Airways
Mon 9/219:25 pm
OPO
- ONT
2 stops29h 28m
British Airways
Deal found 7/31![British Airways logo]()
$1,045
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/194:39 pm
LAX
- OPO
2 stops17h 51m
SWISS
Mon 10/58:05 pm
OPO
- LAX
2 stops28h 25m
SWISS
Deal found 7/30![SWISS logo]()
$962
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/279:42 pm
SAN
- LIS
1 stop26h 28m
United Airlines
Thu 1/710:15 am
LIS
- SAN
1 stop20h 23m
United Airlines
Deal found 7/30![United Airlines logo]()
$802
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:15 pm
SAN
- LIS
2 stops20h 35m
Delta
Mon 10/1911:55 am
LIS
- SAN
1 stop31h 55m
Delta
Deal found 8/1![Delta logo]()
$810
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.
Mon 9/284:30 pm
SFO
- TER
1 stop23h 45m
TAP AIR PORTUGAL
Tue 10/131:40 pm
TER
- SFO
1 stop31h 55m
TAP AIR PORTUGAL
Deal found 7/30![TAP AIR PORTUGAL logo]()
$1,126
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.
Mon 9/147:35 pm
LAX
- LIS
1 stop19h 50m
Multiple Airlines
Mon 9/215:05 am
LIS
- LAX
1 stop16h 05m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$957
Last-minute flights from California to PortugalDiscover last-minute flight deals from California to Portugal. Data last updated August 1, 2026 and is based on user searches.
Discover last-minute flight deals from California to Portugal. Data last updated August 1, 2026 and is based on user searches.
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/124:35 pm
SFO
- LIS
Nonstop11h 15m
TAP AIR PORTUGAL
Thu 9/109:55 am
LIS
- SFO
Nonstop12h 35m
TAP AIR PORTUGAL
Deal found 7/29![TAP AIR PORTUGAL logo]()
$807
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.
Sat 8/159:10 pm
LAX
- LIS
1 stop15h 25m
Multiple Airlines
Wed 9/234:00 pm
LIS
- LAX
2 stops32h 05m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$832
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:45 pm
SFO
- OPO
1 stop34h 15m
Scandinavian Airlines
Thu 8/2712:20 pm
OPO
- SFO
1 stop34h 20m
Scandinavian Airlines
Deal found 7/28![Scandinavian Airlines logo]()
$827
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:40 am
SFO
- LIS
2 stops27h 25m
Scandinavian Airlines
Wed 8/2611:50 pm
LIS
- SFO
1 stop22h 50m
Scandinavian Airlines
Deal found 7/31![Scandinavian Airlines logo]()
$797
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/234:45 pm
SFO
- LIS
2 stops21h 05m
Multiple Airlines
Sat 8/2910:55 pm
LIS
- SFO
1 stop23h 45m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$780
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:40 am
SFO
- LIS
2 stops28h 25m
Scandinavian Airlines
Wed 9/238:15 pm
LIS
- SFO
1 stop26h 25m
Scandinavian Airlines
Deal found 7/30![Scandinavian Airlines logo]()
$731
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:45 pm
SFO
- LIS
1 stop22h 20m
Multiple Airlines
Tue 9/19:15 pm
LIS
- SFO
1 stop25h 25m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$751
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.
Tue 8/256:20 am
SFO
- LIS
2 stops32h 45m
Scandinavian Airlines
Wed 9/211:50 pm
LIS
- SFO
1 stop22h 50m
Scandinavian Airlines
Deal found 7/31![Scandinavian Airlines logo]()
$799
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.
Tue 8/2510:40 am
SFO
- LIS
2 stops28h 25m
Scandinavian Airlines
Sat 8/2910:55 pm
LIS
- SFO
1 stop23h 45m
Scandinavian Airlines
Deal found 8/1![Scandinavian Airlines logo]()
$800
This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:45 pm
SFO
- LIS
1 stop21h 20m
Scandinavian Airlines
Wed 9/98:15 pm
LIS
- SFO
1 stop26h 25m
Scandinavian Airlines
Deal found 7/30![Scandinavian Airlines logo]()
$745
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:45 pm
SFO
- LIS
1 stop21h 20m
Multiple Airlines
Tue 9/89:15 pm
LIS
- SFO
1 stop25h 25m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$781
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:35 pm
SFO
- OPO
1 stop19h 40m
TAP AIR PORTUGAL
Sat 9/59:00 am
OPO
- SFO
1 stop16h 35m
TAP AIR PORTUGAL
Deal found 7/28![TAP AIR PORTUGAL logo]()
$826
One-way flights from California to PortugalSearch for one-way flight options from California to Portugal. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
Search for one-way flight options from California to Portugal. 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 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:50 pm
LAX
- OPO
1 stop27h 10m
LEVEL
Deal found 7/29![LEVEL logo]()
$289
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:56 pm
LAX
- OPO
3 stops42h 03m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$293
This LEVEL 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:55 pm
LAX
- OPO
1 stop27h 05m
LEVEL
Deal found 7/30![LEVEL logo]()
$295
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 10/209:56 pm
LAX
- OPO
2 stops38h 59m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$310
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:00 pm
SFO
- OPO
3 stops47h 40m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$313
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 10/2712:20 pm
LAX
- OPO
2 stops27h 15m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$315
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 10/213:16 pm
LAX
- OPO
3 stops45h 09m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$317
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 10/278:32 pm
SAN
- OPO
3 stops42h 23m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$320
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.
Fri 10/237:50 pm
LAX
- OPO
1 stop31h 45m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$321
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.
Tue 9/16:25 am
SAN
- OPO
3 stops32h 45m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$326
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.
Tue 9/19:40 am
LAX
- OPO
3 stops29h 30m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$326
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/91:00 pm
SFO
- OPO
2 stops34h 20m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$326
Find flight deals from California to Portugal
Keep the following information in mind while searching for California to Portugal flight deals. Data was last updated August 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $263 (Trip.com) |
Popular in | July |
Cheapest in | January |
Average price | $1,046 |
Good round-trip deal | $680 or less |
Good one-way deal | $423 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from California to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 1, 2026.
Use the filters below to find and compare flights from California to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Tue 10/27
2:10 pm-10:00 pm
2 stops24h 50m
Porto
Tue 11/3
5:00 am-12:10 pm
1 stop15h 10m
$746
Las VegasLisbon
LAS - LIS
LASLIS
Las Vegas Harry Reid Intl
Wed 11/18
3:25 pm-10:25 pm
1 stop23h 00m
Lisbon Humberto Delgado
Wed 11/25
5:30 am-1:10 pm
1 stop15h 40m
$751
Quickest round-trip
San FranciscoPorto
SFO - OPO
SFOOPO
San Francisco
Mon 1/25
1:50 pm-3:20 pm
1 stop17h 30m
Porto
Fri 1/29
12:35 pm-8:10 pm
1 stop15h 35m
$755
San DiegoPorto
SAN - OPO
SANOPO
San Diego
Mon 12/7
8:50 am-9:30 am
2 stops16h 40m
Porto
Fri 12/11
12:35 pm-10:38 pm
1 stop18h 03m
$765
San FranciscoLisbon
SFO - LIS
SFOLIS
San Francisco
Mon 11/23
3:10 pm-3:10 pm
1 stop16h 00m
Lisbon Humberto Delgado
Fri 11/27
5:30 am-10:24 pm
2 stops24h 54m
$775
Las VegasLisbon
LAS - LIS
LASLIS
Las Vegas Harry Reid Intl
Tue 11/24
6:00 am-8:10 am
2 stops18h 10m
Lisbon Humberto Delgado
Tue 12/1
12:50 pm-12:46 pm
2 stops31h 56m
$776
San FranciscoLisbon
SFO - LIS
SFOLIS
San Francisco
Sun 11/22
4:40 pm-9:20 am
1 stop32h 40m
Lisbon Humberto Delgado
Tue 12/1
5:00 am-12:35 pm
1 stop15h 35m
$783
San FranciscoLisbon
SFO - LIS
SFOLIS
San Francisco
Wed 12/30
7:25 pm-2:35 pm
1 stop35h 10m
Lisbon Humberto Delgado
Mon 1/11
11:50 am-4:30 pm
1 stop36h 40m
$785
San DiegoLisbon
SAN - LIS
SANLIS
San Diego
Sun 12/27
9:42 pm-8:10 am
1 stop26h 28m
Lisbon Humberto Delgado
Thu 1/7
10:15 am-10:38 pm
1 stop20h 23m
$802
Los AngelesLisbon
LAX - LIS
LAXLIS
Los Angeles
Sun 10/11
6:25 pm-5:50 pm
1 stop15h 25m
Lisbon Humberto Delgado
Mon 10/19
11:55 am-11:50 am
1 stop31h 55m
$805
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from California to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from California with our price prediction graph.
SAN-OPO
LAS-LIS
SFO-OPO
SFO-LIS
SAN-LIS
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 California to Portugal
USCA-PT0
SAN-OPO
LAS-LIS
SFO-OPO
SFO-LIS
What is the cheapest month to book a flight from California to Portugal?
Currently, February is the cheapest month in which you can book a flight from California to Portugal (average of $609). Flying from California to Portugal in June is currently the most expensive (average of $1,213). 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 CA to PT?
Find hourly flight availability from California to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2026.
When flying from California to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How far ahead should I book a flight from California to Portugal?
The best time to book flights from California to Portugal is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Related info for your journey
Find useful and relevant information for your journey from California to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
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Other flight options
Popular flights
Return Flight Options
Top destinations
Top regions
Alternative routes for California to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from California to Portugal by cabin class
Find flights from California to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
California and Portugal flights
Browse other California and Portugal 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 Portugal
Find the right flight back to California after your stay in Portugal
California to Portugal flights
Consider these flights traveling from California to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 10 airlines flying from California to Portugal
Discover the top 10 airlines that operate flights from California to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$239 | Average$700 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$262 | Average$776 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$431 | Average$975 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$433 | Average$708 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$437 | Average$946 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$440 | Average$1,109 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$474 | Average$951 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$476 | Average$914 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$492 | Average$975 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$495 | Average$921 | FlexibilityNo cancel fee | On-time77% |