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$308+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — LAX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$606
(AirNGo)

One-way from

$308
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$893

Good round-trip deal

$778 or less

Good one-way deal

$652 or less
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. 12% potential increase in price ($122 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This AirNGo deal was found by Cheapflights users on 6/11. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/57:00 amOPO - LAX
1 stop15h 35mTAP AIR PORTUGAL
Sat 9/134:40 pmLAX - OPO
1 stop14h 20mTAP AIR PORTUGAL
Deal found 6/11$606
This Gotogate deal was found by Cheapflights users on 6/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/610:35 pmOPO - SFO
1 stop23h 00mTAP AIR PORTUGAL
Sat 10/187:20 pmSFO - OPO
1 stop15h 40mTAP AIR PORTUGAL
Deal found 6/12$613
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 9/188:15 amOPO - SFO
2 stops20h 17mAmerican Airlines
Mon 9/226:10 amSFO - OPO
2 stops17h 25mAmerican Airlines
Deal found 6/11$634
This AirNGo deal was found by Cheapflights users on 6/12. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/64:20 pmOPO - SFO
1 stop27h 25mMultiple Airlines
Sat 10/181:00 pmSFO - OPO
2 stops18h 30mMultiple Airlines
Deal found 6/12$637
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 7/1011:05 amLIS - SJC
2 stops39h 24mAmerican Airlines
Mon 7/149:45 amSJC - LIS
2 stops15h 20mAmerican Airlines
Deal found 6/11$652
This Gotogate deal was found by Cheapflights users on 6/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:35 amLIS - LAS
1 stop29h 15mAir Transat
Wed 10/229:55 amLAS - LIS
1 stop15h 40mAir Transat
Deal found 6/12$663
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 12/1911:05 amLIS - SFO
2 stops20h 47mAmerican Airlines
Sat 1/35:30 pmSFO - LIS
1 stop16h 25mAmerican Airlines
Deal found 6/12$673
This Delta deal was found by Cheapflights users on 6/12. 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 9/15:00 amLIS - SJC
2 stops22h 13mDelta
Fri 9/195:00 pmSJC - LIS
2 stops17h 40mDelta
Deal found 6/12$675
This Iberia deal was found by Cheapflights users on 6/10. 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.
Sat 9/2012:30 pmLIS - SFO
2 stops19h 29mMultiple Airlines
Fri 9/264:30 pmSFO - LIS
1 stop22h 40mMultiple Airlines
Deal found 6/10$677
This British Airways deal was found by Cheapflights users on 6/10. 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 9/217:20 amLIS - SFO
2 stops21h 58mBritish Airways
Tue 9/304:30 pmSFO - LIS
2 stops17h 55mBritish Airways
Deal found 6/10$678
This lol.travel deal was found by Cheapflights users on 6/10. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/196:35 amLIS - SFO
1 stop17h 35mIberia
Sat 7/55:45 pmSFO - LIS
1 stop16h 40mIberia
Deal found 6/10$681
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 7/1011:05 amLIS - SJC
2 stops19h 34mMultiple Airlines
Mon 7/146:15 amSJC - LIS
2 stops18h 50mMultiple Airlines
Deal found 6/10$689

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 June 12, 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

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Fri 9/5

7:00 am-2:35 pm

1 stop15h 35m

Los Angeles

Sat 9/13

4:40 pm-3:00 pm

1 stop14h 20m

$606

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Mon 10/6

10:35 pm-1:35 pm

1 stop23h 00m

San Francisco

Sat 10/18

7:20 pm-7:00 pm

1 stop15h 40m

$613

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Thu 9/18

8:15 am-8:32 pm

2 stops20h 17m

San Francisco

Mon 9/22

6:10 am-7:35 am

2 stops17h 25m

$634

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Mon 10/6

4:20 pm-11:45 am

1 stop27h 25m

San Francisco

Sat 10/18

1:00 pm-3:30 pm

2 stops18h 30m

$637

LisbonSan Jose

LIS - SJC

LISSJC

Lisbon Humberto Delgado

Thu 7/10

11:05 am-6:29 pm

2 stops39h 24m

San Jose

Mon 7/14

9:45 am-9:05 am

2 stops15h 20m

$652

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Mon 9/22

11:35 am-8:50 am

1 stop29h 15m

Las Vegas Harry Reid Intl

Wed 10/22

9:55 am-9:35 am

1 stop15h 40m

$663

LisbonSan Jose

LIS - SJC

LISSJC

Lisbon Humberto Delgado

Mon 9/1

5:00 am-7:13 pm

2 stops22h 13m

San Jose

Fri 9/19

5:00 pm-6:40 pm

2 stops17h 40m

$675

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Sat 9/20

12:30 pm-11:59 pm

2 stops19h 29m

San Francisco

Fri 9/26

4:30 pm-11:10 pm

1 stop22h 40m

$677

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Sun 9/21

7:20 am-9:18 pm

2 stops21h 58m

San Francisco

Tue 9/30

4:30 pm-6:25 pm

2 stops17h 55m

$678

LisbonSan Jose

LIS - SJC

LISSJC

Lisbon Humberto Delgado

Thu 7/10

11:05 am-10:39 pm

2 stops19h 34m

San Jose

Mon 7/14

6:15 am-9:05 am

2 stops18h 50m

$689

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 June 12, 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 June 12, 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
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Transat
7.8
Good
396 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 ($337), Vueling ($350), and Air Transat ($438).

  • 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$260Average$953FlexibilityNo cancel feeOn-timeN/A
LEVELCheapest$331Average$585FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$495Average$749FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$533Average$783FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$572Average$821FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$657Average$918FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$659Average$865FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$668Average$861FlexibilityNo cancel feeOn-time71%
IberiaCheapest$686Average$769FlexibilityNo cancel feeOn-time77%
KLMCheapest$744Average$908FlexibilityNo cancel feeOn-time75%

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