$415+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — LAX
Jun 4 — Jun 111
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Portugal to California with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portugal to California
Cheapest
Best
Last-minute
One-way
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 May 5, 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 May 5, 2026.
This LEVEL deal was found by Cheapflights users on 5/1. 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.
Fri 5/2210:00 pm
OPO
- LAX
1 stop29h 10m
LEVEL
Sat 6/69:10 pm
LAX
- OPO
1 stop26h 50m
LEVEL
Deal found 5/1![LEVEL logo]()
$668
This deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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.
Tue 9/227:10 am
LIS
- SFO
1 stop18h 30m
British Airways
Tue 9/294:35 pm
SFO
- LIS
1 stop17h 20m
British Airways
Deal found 5/2![British Airways logo]()
$671
This deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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.
Tue 9/227:10 am
LIS
- SFO
1 stop18h 30m
British Airways
Sun 9/274:35 pm
SFO
- LIS
1 stop17h 10m
British Airways
Deal found 5/2![British Airways logo]()
$672
This LEVEL deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/1410:00 pm
OPO
- LAX
1 stop28h 10m
LEVEL
Sat 5/308:55 pm
LAX
- OPO
1 stop35h 15m
LEVEL
Deal found 5/3![LEVEL logo]()
$681
This LEVEL deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/1410:00 pm
OPO
- LAX
1 stop28h 10m
LEVEL
Fri 5/297:55 pm
LAX
- OPO
1 stop28h 05m
LEVEL
Deal found 5/4![LEVEL logo]()
$687
This deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 9/237:20 am
LIS
- SFO
1 stop18h 10m
British Airways
Tue 9/294:35 pm
SFO
- LIS
1 stop17h 20m
British Airways
Deal found 5/2![British Airways logo]()
$691
This LEVEL deal was found by Cheapflights users on 5/1. 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.
Fri 5/88:35 am
OPO
- LAX
1 stop17h 35m
LEVEL
Sat 5/238:55 pm
LAX
- OPO
1 stop32h 20m
LEVEL
Deal found 5/1![LEVEL logo]()
$703
This LEVEL deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/158:35 am
OPO
- LAX
1 stop17h 35m
LEVEL
Sun 5/317:55 pm
LAX
- OPO
1 stop36h 15m
LEVEL
Deal found 5/4![LEVEL logo]()
$704
This LEVEL deal was found by Cheapflights users on 4/30. 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.
Sun 5/108:35 am
OPO
- LAX
1 stop17h 35m
LEVEL
Sun 5/247:55 pm
LAX
- OPO
1 stop34h 20m
LEVEL
Deal found 4/30![LEVEL logo]()
$726
This Ticket deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:20 am
LIS
- SFO
1 stop18h 20m
British Airways
Thu 5/284:35 pm
SFO
- LIS
1 stop17h 35m
British Airways
Deal found 5/2![British Airways logo]()
$740
This Ticket deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:40 pm
LIS
- LAX
1 stop21h 40m
Royal Air Maroc
Tue 9/2210:20 am
LAX
- LIS
1 stop23h 20m
Royal Air Maroc
Deal found 5/2![Royal Air Maroc logo]()
$750
This deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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.
Tue 9/227:10 am
LIS
- SFO
1 stop18h 30m
British Airways
Mon 9/284:35 pm
SFO
- LIS
1 stop15h 10m
British Airways
Deal found 5/2![British Airways logo]()
$751
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 May 5, 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 May 5, 2026.
This LEVEL deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/158:35 am
OPO
- LAX
1 stop17h 35m
LEVEL
Sun 5/317:55 pm
LAX
- OPO
1 stop36h 15m
LEVEL
Deal found 5/4![LEVEL logo]()
$704
This KLM deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/167:00 pm
OPO
- SFO
1 stop24h 45m
KLM
Tue 5/263:05 pm
SFO
- OPO
1 stop23h 00m
KLM
Deal found 5/4![KLM logo]()
$797
This Delta deal was found by Cheapflights users on 5/1. 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.
Thu 5/145:00 am
OPO
- SFO
1 stop14h 45m
Delta
Thu 5/283:05 pm
SFO
- OPO
1 stop22h 55m
Delta
Deal found 5/1![Delta logo]()
$797
This British Airways deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/147:20 am
LIS
- SFO
2 stops20h 00m
British Airways
Thu 5/284:35 pm
SFO
- LIS
1 stop22h 30m
British Airways
Deal found 5/2![British Airways logo]()
$816
This United Airlines deal was found by Cheapflights users on 5/1. 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 6/156:00 am
OPO
- SFO
2 stops36h 45m
United Airlines
Mon 6/227:15 pm
SFO
- OPO
1 stop17h 30m
United Airlines
Deal found 5/1![United Airlines logo]()
$860
This TAP AIR PORTUGAL deal was found by Cheapflights users on 5/1. 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 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 stop18h 05m
TAP AIR PORTUGAL
Deal found 5/1![TAP AIR PORTUGAL logo]()
$915
This KLM deal was found by Cheapflights users on 5/1. 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.
Fri 5/227:45 pm
LIS
- LAS
1 stop30h 50m
Multiple Airlines
Mon 6/15:50 pm
LAS
- LIS
1 stop20h 35m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$943
This Virgin Atlantic deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1710:00 am
LIS
- LAS
2 stops20h 47m
Virgin Atlantic
Wed 6/247:05 am
LAS
- LIS
2 stops19h 40m
Virgin Atlantic
Deal found 5/3![Virgin Atlantic logo]()
$1,001
This Air Canada deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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.
Wed 5/2011:25 am
LIS
- SNA
2 stops18h 32m
Air Canada
Sun 5/2410:20 am
SNA
- LIS
2 stops16h 45m
Air Canada
Deal found 5/4![Air Canada logo]()
$1,256
This oojo deal was found by Cheapflights users on 5/1. 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.
Wed 7/2210:15 pm
LIS
- SNA
2 stops29h 12m
Aer Lingus
Thu 8/2711:21 am
SNA
- LIS
2 stops26h 14m
Aer Lingus
Deal found 5/1![Aer Lingus logo]()
$1,276
This Icelandair deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:00 pm
LIS
- ONT
2 stops39h 39m
Icelandair
Mon 11/26:00 am
ONT
- LIS
2 stops22h 50m
Icelandair
Deal found 5/4![Icelandair logo]()
$1,289
This LEVEL deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/294:50 pm
OPO
- LAX
1 stop34h 20m
LEVEL
Mon 6/158:50 pm
LAX
- OPO
1 stop27h 10m
LEVEL
Deal found 5/2![LEVEL logo]()
$771
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/165:00 am
OPO
- SFO
2 stops20h 49m
Delta
Tue 5/2610:29 am
SFO
- OPO
2 stops20h 56m
Delta
Deal found 5/4![Delta logo]()
$804
This KLM deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 6/125:00 am
LIS
- SFO
1 stop14h 45m
KLM
Sun 6/1411:57 pm
SFO
- LIS
1 stop24h 03m
KLM
Deal found 5/2![KLM logo]()
$813
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Thu 6/115:05 am
LIS
- SFO
1 stop22h 45m
United Airlines
Mon 6/1511:59 pm
SFO
- LIS
1 stop24h 21m
United Airlines
Deal found 5/1![United Airlines logo]()
$863
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:00 am
LIS
- SFO
2 stops18h 58m
Delta
Thu 5/281:35 pm
SFO
- LIS
2 stops20h 15m
Delta
Deal found 4/30![Delta logo]()
$810
This Turkish Airlines deal was found by Cheapflights users on 5/1. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:55 am
LIS
- ONT
2 stops46h 52m
Turkish Airlines
Sat 5/3010:41 pm
ONT
- LIS
2 stops40h 39m
Turkish Airlines
Deal found 5/1![Turkish Airlines logo]()
$1,847
This LEVEL deal was found by Cheapflights users on 4/30. 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 10/108:35 am
OPO
- LAX
1 stop18h 35m
LEVEL
Mon 10/198:55 pm
LAX
- OPO
1 stop32h 20m
LEVEL
Deal found 4/30![LEVEL logo]()
$842
This KLM deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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.
Sun 5/3112:25 pm
OPO
- SFO
1 stop20h 14m
KLM
Sun 6/711:57 pm
SFO
- OPO
1 stop26h 33m
KLM
Deal found 5/2![KLM logo]()
$844
This British Airways deal was found by Cheapflights users on 5/1. 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.
Wed 9/211:00 am
LIS
- LAX
1 stop15h 20m
British Airways
Wed 9/93:50 pm
LAX
- LIS
1 stop15h 50m
British Airways
Deal found 5/1![British Airways logo]()
$945
This KLM deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/15:00 am
LIS
- LAS
1 stop21h 35m
Multiple Airlines
Mon 6/85:50 pm
LAS
- LIS
1 stop31h 00m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$945
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Wed 10/285:00 am
LIS
- SFO
2 stops23h 34m
United Airlines
Fri 11/1310:20 am
SFO
- LIS
1 stop13h 50m
United Airlines
Deal found 5/1![United Airlines logo]()
$864
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/145:00 am
OPO
- SFO
2 stops19h 57m
Delta
Wed 5/274:55 pm
SFO
- OPO
2 stops21h 20m
Delta
Deal found 5/2![Delta logo]()
$810
This KLM deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/1111:25 am
OPO
- SFO
1 stop32h 20m
KLM
Sat 7/48:10 pm
SFO
- OPO
1 stop17h 50m
KLM
Deal found 5/3![KLM logo]()
$862
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 6/96:45 am
LIS
- SFO
1 stop16h 30m
United Airlines
Mon 6/1511:59 pm
SFO
- LIS
1 stop24h 21m
United Airlines
Deal found 5/2![United Airlines logo]()
$866
This LEVEL deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/291:40 pm
OPO
- LAX
1 stop37h 30m
LEVEL
Sat 6/139:10 pm
LAX
- OPO
1 stop16h 10m
LEVEL
Deal found 5/2![LEVEL logo]()
$870
This British Airways deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 9/34:30 pm
LIS
- SAN
1 stop30h 25m
British Airways
Wed 9/167:40 pm
SAN
- LIS
1 stop19h 35m
British Airways
Deal found 5/4![British Airways logo]()
$970
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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
OPO
- SFO
1 stop14h 45m
Delta
Tue 9/1511:30 am
SFO
- OPO
2 stops19h 55m
Delta
Deal found 5/2![Delta logo]()
$858
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 5/215:05 am
LIS
- SFO
1 stop18h 10m
United Airlines
Sat 5/304:34 pm
SFO
- LIS
1 stop33h 56m
United Airlines
Deal found 4/30![United Airlines logo]()
$879
This British Airways deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 6/117:20 am
LIS
- LAS
1 stop20h 40m
British Airways
Fri 6/1910:10 pm
LAS
- LIS
1 stop17h 00m
British Airways
Deal found 5/2![British Airways logo]()
$971
Last-minute flights from Portugal to CaliforniaDiscover last-minute flight deals from Portugal to California. Data last updated May 5, 2026 and is based on user searches.
Discover last-minute flight deals from Portugal to California. Data last updated May 5, 2026 and is based on user searches.
This LEVEL deal was found by Cheapflights users on 4/30. 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.
Sun 5/108:35 am
OPO
- LAX
1 stop17h 35m
LEVEL
Sun 5/247:55 pm
LAX
- OPO
1 stop34h 20m
LEVEL
Deal found 4/30![LEVEL logo]()
$726
This Iberia deal was found by Cheapflights users on 4/30. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/108:35 am
OPO
- LAX
1 stop17h 35m
Iberia
Sun 5/247:55 pm
LAX
- OPO
1 stop34h 20m
Iberia
Deal found 4/30![Iberia logo]()
$764
This LEVEL deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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.
Mon 5/119:10 am
LIS
- LAX
1 stop17h 00m
LEVEL
Fri 5/157:55 pm
LAX
- LIS
1 stop28h 35m
LEVEL
Deal found 5/4![LEVEL logo]()
$783
This LEVEL deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/1410:00 pm
OPO
- LAX
1 stop28h 10m
LEVEL
Sat 5/308:55 pm
LAX
- OPO
1 stop35h 15m
LEVEL
Deal found 5/3![LEVEL logo]()
$681
This LEVEL deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/1410:00 pm
OPO
- LAX
1 stop28h 10m
LEVEL
Fri 5/297:55 pm
LAX
- OPO
1 stop28h 05m
LEVEL
Deal found 5/2![LEVEL logo]()
$688
This Ticket deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:20 am
LIS
- SFO
1 stop18h 20m
British Airways
Thu 5/284:35 pm
SFO
- LIS
1 stop17h 35m
British Airways
Deal found 5/2![British Airways logo]()
$740
This Mytrip deal was found by Cheapflights users on 5/1. 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.
Thu 5/146:00 pm
OPO
- SFO
3 stops28h 30m
Multiple Airlines
Thu 5/284:30 pm
SFO
- OPO
3 stops34h 05m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$759
This Rumbo deal was found by Cheapflights users on 5/1. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:00 pm
LIS
- SFO
Nonstop12h 35m
TAP AIR PORTUGAL
Thu 5/287:55 pm
SFO
- LIS
Nonstop11h 15m
TAP AIR PORTUGAL
Deal found 5/1![TAP AIR PORTUGAL logo]()
$767
This Rumbo deal was found by Cheapflights users on 4/30. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:00 pm
LIS
- SFO
Nonstop12h 35m
TAP AIR PORTUGAL
Fri 5/299:45 pm
SFO
- LIS
Nonstop11h 15m
TAP AIR PORTUGAL
Deal found 4/30![TAP AIR PORTUGAL logo]()
$768
This Iberia deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/1410:00 pm
OPO
- LAX
1 stop28h 10m
Iberia
Sat 5/308:55 pm
LAX
- OPO
1 stop35h 15m
Iberia
Deal found 5/4![Iberia logo]()
$776
This LEVEL deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/158:35 am
OPO
- LAX
1 stop17h 35m
LEVEL
Sun 5/317:55 pm
LAX
- OPO
1 stop36h 15m
LEVEL
Deal found 5/4![LEVEL logo]()
$704
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Sun 6/149:15 pm
LIS
- LAX
2 stops29h 10m
Multiple Airlines
Sun 6/218:10 pm
LAX
- LIS
3 stops28h 20m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$763
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 May 5, 2026.
Search for one-way flight options from Portugal to California. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/22:40 pm
OPO
- SFO
2 stops55h 10m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Fri 5/1510:30 pm
LIS
- LAS
3 stops42h 40m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Mon 6/89:15 am
OPO
- SFO
3 stops39h 50m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Thu 5/146:15 pm
LIS
- LAS
3 stops55h 00m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 9/78:15 pm
OPO
- SFO
2 stops50h 20m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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
- SFO
2 stops31h 50m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$442
This British Airways deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 9/2312:25 pm
OPO
- SFO
2 stops20h 14m
British Airways
Deal found 5/3![British Airways logo]()
$452
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1910:00 pm
OPO
- SFO
2 stops50h 35m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Sun 10/186:25 am
OPO
- LAX
3 stops42h 45m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/102:15 pm
OPO
- LAX
3 stops58h 52m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$469
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 6/189:25 am
LIS
- LAS
3 stops57h 15m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Tue 6/233:45 pm
OPO
- LAX
2 stops38h 20m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$474
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 May 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $668 (LEVEL) |
One-way from | $415 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $939 |
Good round-trip deal | $1,056 or less |
Good one-way deal | $803 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 May 5, 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
PortoLos Angeles
OPO - LAX
OPOLAX
Porto
Fri 5/15
8:35 am-6:10 pm
1 stop17h 35m
Los Angeles Los Angeles
Sun 5/31
7:55 pm-4:10 pm
1 stop36h 15m
$704
PortoLos Angeles
OPO - LAX
OPOLAX
Porto
Fri 5/29
4:50 pm-7:10 pm
1 stop34h 20m
Los Angeles Los Angeles
Mon 6/15
8:50 pm-8:00 am
1 stop27h 10m
$771
PortoSan Francisco
OPO - SFO
OPOSFO
Porto
Sat 5/16
7:00 pm-11:45 am
1 stop24h 45m
San Francisco
Tue 5/26
3:05 pm-10:05 pm
1 stop23h 00m
$797
PortoSan Francisco
OPO - SFO
OPOSFO
Porto
Thu 5/14
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Thu 5/28
3:05 pm-10:00 pm
1 stop22h 55m
$797
PortoSan Francisco
OPO - SFO
OPOSFO
Porto
Sat 5/16
5:00 am-5:49 pm
2 stops20h 49m
San Francisco
Tue 5/26
10:29 am-3:25 pm
2 stops20h 56m
$804
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Thu 5/14
5:00 am-3:58 pm
2 stops18h 58m
San Francisco
Thu 5/28
1:35 pm-5:50 pm
2 stops20h 15m
$810
PortoSan Francisco
OPO - SFO
OPOSFO
Porto
Thu 5/14
5:00 am-4:57 pm
2 stops19h 57m
San Francisco
Wed 5/27
4:55 pm-10:15 pm
2 stops21h 20m
$810
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Fri 6/12
5:00 am-11:45 am
1 stop14h 45m
San Francisco
Sun 6/14
11:57 pm-8:00 am
1 stop24h 03m
$813
LisbonSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Thu 5/14
7:20 am-7:20 pm
2 stops20h 00m
San Francisco
Thu 5/28
4:35 pm-11:05 pm
1 stop22h 30m
$816
PortoLos Angeles
OPO - LAX
OPOLAX
Porto
Sat 10/10
8:35 am-7:10 pm
1 stop18h 35m
Los Angeles Los Angeles
Mon 10/19
8:55 pm-1:15 pm
1 stop32h 20m
$842
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
LIS-SFO
OPO-SFO
LIS-LAX
LIS-LAS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portugal to California
PT0-USCA
OPO-LAX
LIS-SFO
OPO-SFO
LIS-LAX
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 35 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.
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 May 5, 2026.
When flying from Portugal to California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing California
Get insights into the airlines that provide service to California. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to California. Reviews last updated May 5, 2026.
Get a feel of what it's like to fly with Delta,Air France, andUnited Airlines from Portugal to California by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Food
7.2
Overall
7.9
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Food
7.2
Overall
7.9
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Food
7.2
Overall
7.9
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Food
7.2
Overall
7.9
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Food
7.2
Overall
7.9
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Food
7.2
Overall
7.9
Comfort
7.9
Boarding
8.1
Entertainment
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
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 May 5, 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 May 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$351 | Average$885 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$585 | Average$794 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$604 | Average$926 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$637 | Average$875 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$642 | Average$863 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$688 | Average$901 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$708 | Average$912 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$764 | Average$1,009 | FlexibilityNo cancel fee | On-time69% |