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$335+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — LAX
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Portugal to California

Cheapest flights from Portugal to California
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 December 15, 2025.

This deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:55 amOPO - SFO
1 stop17h 10mTAP AIR PORTUGAL
Wed 1/74:35 pmSFO - OPO
1 stop14h 30mTAP AIR PORTUGAL
Deal found 12/15$725
This deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/269:00 amOPO - SFO
1 stop15h 05mTAP AIR PORTUGAL
Sat 1/104:35 pmSFO - OPO
1 stop14h 25mTAP AIR PORTUGAL
Deal found 12/15$726
This deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/269:00 amOPO - SFO
1 stop15h 05mTAP AIR PORTUGAL
Fri 1/97:10 pmSFO - OPO
1 stop15h 50mTAP AIR PORTUGAL
Deal found 12/15$727
This United Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:55 amLIS - SFO
1 stop17h 25mUnited Airlines
Wed 12/3112:55 pmSFO - LIS
1 stop13h 20mUnited Airlines
Deal found 12/14$786
This American Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:05 amLIS - SFO
1 stop16h 00mAmerican Airlines
Wed 12/319:00 amSFO - LIS
2 stops40h 05mAmerican Airlines
Deal found 12/14$788
This United Airlines deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2011:55 amLIS - SFO
1 stop17h 25mUnited Airlines
Tue 12/302:40 pmSFO - LIS
1 stop15h 50mUnited Airlines
Deal found 12/13$794
This United Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2711:55 amLIS - SFO
2 stops27h 35mUnited Airlines
Sat 1/39:40 pmSFO - LIS
1 stop17h 50mUnited Airlines
Deal found 12/14$814
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:00 amOPO - LAX
1 stop15h 40mTAP AIR PORTUGAL
Thu 1/224:45 pmLAX - OPO
1 stop14h 15mTAP AIR PORTUGAL
Deal found 12/15$815
This Air Canada deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:00 amLIS - SFO
2 stops30h 38mMultiple Airlines
Wed 12/318:20 amSFO - LIS
2 stops16h 35mMultiple Airlines
Deal found 12/14$817
This deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:05 amLIS - SFO
1 stop15h 55mBritish Airways
Wed 1/75:30 pmSFO - LIS
1 stop16h 10mBritish Airways
Deal found 12/15$837
This deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:05 amLIS - SFO
1 stop19h 40mBritish Airways
Thu 1/85:30 pmSFO - LIS
1 stop16h 30mBritish Airways
Deal found 12/15$842
This deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:05 amLIS - SFO
1 stop15h 55mBritish Airways
Wed 1/78:40 pmSFO - LIS
1 stop17h 10mBritish Airways
Deal found 12/15$844

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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$626
(flugladen.de)

One-way from

$335
(LEVEL)

Popular in

August

Cheapest in

September

Average price

$959

Good one-way deal

$754 or less
Provider with most accurate pricing for Lisbon Humberto Delgado-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Los Angeles flights.
Search Deals
From Portugal to California
Search Deals
One-way flight from Portugal to California
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a one-way flight from Portugal to California.
Search Deals

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 December 15, 2025.
Use the filters below to find and compare flights from Portugal to California that are best for you.

Fly from

Portugal

Fly to

California

Route

Depart

Return

Price

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Thu 1/15

6:00 pm-4:05 pm

1 stop30h 05m

San Francisco

Wed 1/28

4:35 pm-11:00 am

1 stop34h 25m

$626

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Fri 1/23

9:00 am-10:02 pm

1 stop21h 02m

Las Vegas Harry Reid Intl

Fri 2/6

11:05 pm-6:45 am

1 stop23h 40m

$651

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Fri 3/6

6:55 am-11:14 pm

2 stops24h 19m

San Francisco

Sat 3/14

5:40 pm-5:10 pm

1 stop16h 30m

$676

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Sun 1/25

8:35 am-10:02 pm

1 stop21h 27m

Las Vegas Harry Reid Intl

Fri 1/30

11:05 pm-6:45 am

1 stop23h 40m

$676

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Sat 1/31

6:50 pm-6:10 pm

2 stops31h 20m

Los Angeles

Sun 2/8

7:55 pm-7:35 am

1 stop27h 40m

$686

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Wed 1/28

6:35 pm-12:33 pm

1 stop25h 58m

Los Angeles

Wed 2/4

8:20 am-7:00 pm

2 stops26h 40m

$698

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Fri 5/15

11:45 am-11:45 am

1 stop32h 00m

San Francisco

Mon 5/18

8:10 pm-3:30 pm

1 stop35h 20m

$716

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Fri 5/15

5:00 am-11:45 am

1 stop14h 45m

San Francisco

Mon 5/18

8:55 am-3:30 pm

2 stops22h 35m

$716

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Thu 5/21

5:00 am-11:45 am

1 stop14h 45m

San Francisco

Sat 5/30

6:05 am-11:15 am

2 stops21h 10m

$723

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Thu 1/15

6:35 am-12:33 pm

3 stops37h 58m

Los Angeles

Thu 1/29

8:30 am-8:15 pm

2 stops27h 45m

$724

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 60 results
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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.
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

What is the cheapest month to book a flight from Portugal to California?

Currently, May is the cheapest month in which you can book a flight from Portugal to California (average of $308). Flying from Portugal to California in August is currently the most expensive (average of $675). 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 December 15, 2025.

It’s typically best to fly out from Portugal to California in the evening. Doing so could potentially save you 44% on the flight price compared to flying at noon, which is usually more expensive.

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 December 15, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and TAP 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.
Delta
7.9
Good
8,010 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,010 reviews
Delta
7.9
Good
8,010 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
9,094 reviews
Delta
7.9
Good
8,010 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
TAP AIR PORTUGAL
7.2
Good
2,089 reviews
Delta
7.9
Good
8,010 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Lufthansa
6.8
Okay
7,631 reviews
Delta
7.9
Good
8,010 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
British Airways
6.7
Okay
7,578 reviews
Delta
7.9
Good
8,010 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • How popular is this Portugal to California flight route?

    This flight path from Portugal to California was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Portugal to California?

    For as low as $651, TAP AIR PORTUGAL can have you in California from Portugal in 21h 02m. The distance from Portugal to California is about 5437 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Portugal to California one-way?

    The cheapest airlines for a one-way flight from Portugal to California are TAP AIR PORTUGAL ($257), LEVEL ($317), and LEVEL ($331).

  • Can I find deals for flights from Portugal to California that include hotel bookings?

    Yes. In addition to deals on Portugal to California flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portugal to California?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to California.

  • Can I find deals for business class flights from Portugal to California?

    Yes. Cheapflights offers flight deals from Portugal to California by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portugal to California?

    Currently, May is the cheapest month in which you can book a flight from Portugal to California (average of $308). Flying from Portugal to California in August is currently the most expensive (average of $675). 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.

See more FAQs

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Alternative routes for Portugal to California

See prices for flight routes from nearby airports that may be better suited for you.
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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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$347Average$769FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$572Average$822FlexibilityNo cancel feeOn-time70%
DeltaCheapest$587Average$789FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$618Average$851FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$637Average$839FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$665Average$861FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$690Average$907FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$732Average$973FlexibilityNo cancel feeOn-time69%

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