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$274+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — LAX
Apr 27 — May 41
Sun 4/27
Sun 5/4
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 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$560
(Booking.com)

One-way from

$274
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$806

Good round-trip deal

$260 or less

Good one-way deal

$508 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 ($168 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 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 22, 2025.

This Booking.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/121:30 pmOPO - LAS
1 stop16h 28mAir Transat
Wed 5/289:55 amLAS - OPO
1 stop18h 00mAir Transat
Deal found 4/22$560
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/157:20 pmFAO - LAX
1 stop26h 50mMultiple Airlines
Mon 5/194:30 pmLAX - FAO
1 stop18h 10mMultiple Airlines
Deal found 4/21$581
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/19:35 pmOPO - LAX
1 stop24h 35mMultiple Airlines
Fri 5/164:30 pmLAX - OPO
1 stop18h 15mMultiple Airlines
Deal found 4/22$642
This EaseMyTrip deal was found by Cheapflights users on 4/21. 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 9/257:20 pmSFO - LIS
1 stop19h 45mMultiple Airlines
Deal found 4/21$646
This Delta deal was found by Cheapflights users on 4/21. 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 5/15:00 amLIS - SFO
1 stop14h 45mDelta
Sun 5/46:05 amSFO - LIS
2 stops21h 10mDelta
Deal found 4/21$652
This KLM deal was found by Cheapflights users on 4/22. 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.
Tue 9/97:30 pmLIS - SFO
1 stop24h 15mKLM
Tue 9/231:45 pmSFO - LIS
1 stop25h 05mKLM
Deal found 4/22$664
This KLM deal was found by Cheapflights users on 4/21. 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 4/284:20 pmOPO - SFO
1 stop27h 25mKLM
Tue 5/133:05 pmSFO - OPO
1 stop16h 25mKLM
Deal found 4/21$666
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/166:00 amLIS - LAX
1 stop19h 30mMultiple Airlines
Fri 7/184:40 pmLAX - LIS
Nonstop11h 05mMultiple Airlines
Deal found 4/22$670
This Delta deal was found by Cheapflights users on 4/21. 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 4/286:35 amOPO - SFO
2 stops24h 21mDelta
Tue 5/138:58 amSFO - OPO
2 stops22h 32mDelta
Deal found 4/21$672
This British Airways deal was found by Cheapflights users on 4/21. 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 6/167:15 amLIS - SFO
2 stops19h 47mBritish Airways
Tue 8/124:35 pmSFO - LIS
1 stop17h 20mBritish Airways
Deal found 4/21$679
This British Airways deal was found by Cheapflights users on 4/21. 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 5/17:30 pmOPO - SFO
1 stop26h 20mBritish Airways
Sat 5/177:30 pmSFO - OPO
1 stop17h 05mBritish Airways
Deal found 4/21$698
This Lufthansa deal was found by Cheapflights users on 4/21. 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.
Wed 5/146:15 amOPO - SFO
1 stop16h 20mMultiple Airlines
Wed 6/46:00 amSFO - OPO
1 stop19h 45mMultiple Airlines
Deal found 4/21$713

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 22, 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

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Mon 5/12

1:30 pm-9:58 pm

1 stop16h 28m

Las Vegas Harry Reid Intl

Wed 5/28

9:55 am-11:55 am

1 stop18h 00m

$560

FaroLos Angeles

FAO - LAX

FAOLAX

Faro

Thu 5/15

7:20 pm-2:10 pm

1 stop26h 50m

Los Angeles

Mon 5/19

4:30 pm-6:40 pm

1 stop18h 10m

$581

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

7:20 pm-11:05 pm

1 stop19h 45m

$646

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Sat 5/3

9:50 pm-2:10 pm

1 stop24h 20m

Los Angeles

Mon 5/19

4:30 pm-8:35 pm

2 stops20h 05m

$647

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Fri 8/29

5:00 am-11:45 am

1 stop14h 45m

San Francisco

Sat 9/13

7:00 am-10:45 am

1 stop19h 45m

$656

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Thu 5/15

6:30 am-11:51 pm

2 stops25h 21m

San Francisco

Thu 5/29

3:05 pm-3:30 pm

1 stop16h 25m

$672

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Mon 6/16

7:15 am-7:02 pm

2 stops19h 47m

San Francisco

Tue 8/12

4:35 pm-5:55 pm

1 stop17h 20m

$679

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Thu 5/15

8:20 pm-11:45 am

1 stop23h 25m

San Francisco

Thu 5/29

8:25 pm-3:30 pm

1 stop35h 05m

$681

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Wed 5/14

12:20 pm-12:22 am

2 stops20h 02m

San Francisco

Tue 6/3

7:21 am-7:30 pm

2 stops28h 09m

$702

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Mon 6/9

11:35 am-9:58 pm

1 stop18h 23m

Las Vegas Harry Reid Intl

Wed 6/25

9:55 am-9:35 am

1 stop15h 40m

$720

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

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 June is currently the most expensive (average of $328). 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 22, 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 22, 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
7,920 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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
1,331 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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
7,920 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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
1,065 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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
1,272 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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 ($359), Vueling ($412), and TAP AIR PORTUGAL ($472).

  • 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 June is currently the most expensive (average of $328). 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 22, 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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