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$277+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — LAX
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from Portugal to California

Keep the following information in mind while searching for Portugal to California flight deals. Data was last updated April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$644
(Kiwi.com)

One-way from

$277
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$806

Good round-trip deal

$260 or less

Good one-way deal

$515 or less
Provider with most accurate pricing for Lisbon Humberto Delgado-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Los Angeles flights.
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From Portugal to California
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One-way flight from Portugal to California
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Highest demand for flights based on searches. 16% potential increase in price ($167 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Portugal to California.
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Price to beat on a one-way flight from Portugal to California.
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Find 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 April 29, 2025.

This EaseMyTrip deal was found by Cheapflights users on 4/28. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:35 amLIS - SFO
1 stop17h 35mMultiple Airlines
Thu 9/254:35 pmSFO - LIS
1 stop22h 30mMultiple Airlines
Deal found 4/28$642
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/96:15 amOPO - LAX
2 stops43h 15mMultiple Airlines
Sun 5/254:30 pmLAX - OPO
1 stop32h 45mMultiple Airlines
Deal found 4/28$644
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 9/95:00 amLIS - SFO
1 stop14h 45mDelta
Tue 9/237:00 amSFO - LIS
1 stop19h 45mDelta
Deal found 4/28$653
This KLM deal was found by Cheapflights users on 4/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/116:20 pmOPO - SFO
1 stop25h 25mKLM
Tue 5/273:05 pmSFO - OPO
1 stop16h 25mKLM
Deal found 4/27$664
This Booking.com deal was found by Cheapflights users on 4/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1411:05 amLIS - SFO
1 stop17h 05mBritish Airways
Sun 5/187:30 pmSFO - LIS
1 stop19h 35mBritish Airways
Deal found 4/28$665
This flugladen.de deal was found by Cheapflights users on 4/27. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/116:20 pmOPO - SFO
1 stop25h 25mMultiple Airlines
Tue 5/2712:40 pmSFO - OPO
2 stops18h 50mMultiple Airlines
Deal found 4/27$666
This Delta deal was found by Cheapflights users on 4/28. 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.
Sun 5/116:35 amOPO - SFO
1 stop19h 40mDelta
Tue 5/2710:00 amSFO - OPO
2 stops21h 30mDelta
Deal found 4/28$670
This SWISS deal was found by Cheapflights users on 4/27. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1112:05 pmOPO - SFO
1 stop36h 20mSWISS
Tue 11/187:25 pmSFO - OPO
1 stop31h 50mSWISS
Deal found 4/27$685
This British Airways deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/119:25 pmOPO - SFO
1 stop27h 50mBritish Airways
Tue 5/274:20 pmSFO - OPO
1 stop19h 10mBritish Airways
Deal found 4/27$696
This SWISS deal was found by Cheapflights users on 4/28. 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.
Mon 5/265:55 amLIS - SFO
1 stop18h 15mSWISS
Mon 6/27:30 pmSFO - LIS
1 stop35h 15mSWISS
Deal found 4/28$697
This Finnair deal was found by Cheapflights users on 4/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/96:35 amLIS - SFO
2 stops25h 31mFinnair
Mon 5/261:05 pmSFO - LIS
2 stops26h 05mFinnair
Deal found 4/28$699
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/168:50 amLIS - LAX
1 stop18h 15mMultiple Airlines
Fri 5/309:25 pmLAX - LIS
1 stop17h 30mMultiple Airlines
Deal found 4/28$711

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 April 29, 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

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Tue 9/16

6:35 am-4:10 pm

1 stop17h 35m

San Francisco

Thu 9/25

4:35 pm-11:05 pm

1 stop22h 30m

$642

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Fri 5/9

6:15 am-5:30 pm

2 stops43h 15m

Los Angeles

Sun 5/25

4:30 pm-9:15 am

1 stop32h 45m

$644

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Tue 9/9

5:00 am-11:45 am

1 stop14h 45m

San Francisco

Tue 9/23

1:00 pm-5:55 pm

2 stops20h 55m

$650

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Sun 5/11

6:20 pm-11:45 am

1 stop25h 25m

San Francisco

Tue 5/27

3:05 pm-3:30 pm

1 stop16h 25m

$664

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Wed 5/14

11:05 am-8:10 pm

1 stop17h 05m

San Francisco

Sun 5/18

7:30 pm-11:05 pm

1 stop19h 35m

$665

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Sun 5/11

6:20 pm-11:45 am

1 stop25h 25m

San Francisco

Tue 5/27

12:40 pm-3:30 pm

2 stops18h 50m

$666

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Sun 5/11

6:35 am-6:15 pm

1 stop19h 40m

San Francisco

Tue 5/27

10:00 am-3:30 pm

2 stops21h 30m

$670

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Sun 5/11

9:25 pm-5:15 pm

1 stop27h 50m

San Francisco

Tue 5/27

4:20 pm-7:30 pm

1 stop19h 10m

$696

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Mon 5/26

5:55 am-4:10 pm

1 stop18h 15m

San Francisco

Mon 6/2

7:30 pm-2:45 pm

1 stop35h 15m

$697

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Fri 5/9

6:35 am-12:06 am

2 stops25h 31m

San Francisco

Mon 5/26

1:05 pm-11:10 pm

2 stops26h 05m

$699

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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, January is the cheapest month in which you can book a flight from Portugal to California (average of $246). Flying from Portugal to California in March is currently the most expensive (average of $327). 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 April 29, 2025.

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.

Rainfall in California by month

Plan your trip to California by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in California ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit California when rainfall is around 0.0 in.

Temperature in California by month

Plan your trip to California by taking into account the average temperature totals by month.

If weather is an important factor for your trip to California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 April 29, 2025.
Read through reviews of airlines operating flights from Portugal to California, such as Delta, KLM and Air Transat. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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
Air Transat
7.8
Good
385 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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
LOT
7.6
Good
1,069 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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
Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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.

  • 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 Iberia ($367), Vueling ($391), and TAP AIR PORTUGAL ($476).

  • 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, January is the cheapest month in which you can book a flight from Portugal to California (average of $246). Flying from Portugal to California in March is currently the most expensive (average of $327). 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 10 airlines flying from Portugal to California

Discover the top 10 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$260Average$934FlexibilityNo cancel feeOn-timeN/A
LEVELCheapest$331Average$594FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$495Average$764FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$533Average$848FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$573Average$815FlexibilityNo cancel feeOn-time70%
IberiaCheapest$613Average$793FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$659Average$865FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$669Average$932FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$690Average$859FlexibilityNo cancel feeOn-time71%
KLMCheapest$744Average$908FlexibilityNo cancel feeOn-time75%

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