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$265+ Cheap flights from California to Portugal

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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LIS
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from California to Portugal

Keep the following information in mind while searching for California to Portugal flight deals. Data was last updated junio 12, 2025.

Round-trip from

$553
(Cheapflightsfares)

One-way from

$265
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,201

Good round-trip deal

$582 or less

Good one-way deal

$354 or less
From California to Portugal
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One-way flight from California to Portugal
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Highest demand for flights based on searches. 2% potential increase in price ($28 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 June 2025
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Price to beat on a round-trip flight from California to Portugal.
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Price to beat on a one-way flight from California to Portugal.
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Find flight deals from California to Portugal

Cheapest flights from California to Portugal
Explore the most affordable flight options available from California to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/26:45 pmSFO - TER
Nonstop9h 30mTAP AIR PORTUGAL
mar. 9/91:00 pmTER - SFO
Nonstop10h 45mTAP AIR PORTUGAL
Deal found 6/11$553
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/28:00 amSJC - LIS
2 stops17h 20mUnited Airlines
jue. 12/1111:00 amLIS - SJC
2 stops32h 36mUnited Airlines
Deal found 6/11$555
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/18:45 amSJC - LIS
2 stops40h 35mAir Canada
vie. 12/1211:00 amLIS - SJC
2 stops34h 26mAir Canada
Deal found 6/11$567
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.
lun. 8/42:37 pmONT - LIS
2 stops17h 28mAmerican Airlines
mié. 8/209:00 amLIS - ONT
2 stops21h 48mAmerican Airlines
Deal found 6/10$569
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/257:05 pmLAS - LIS
2 stops32h 10mUnited Airlines
mié. 11/55:00 amLIS - LAS
2 stops24h 15mUnited Airlines
Deal found 6/12$580
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2011:35 pmSMF - LIS
2 stops25h 45mUnited Airlines
jue. 11/611:00 amLIS - SMF
2 stops43h 04mUnited Airlines
Deal found 6/10$581
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/110:20 pmSJC - LIS
2 stops25h 40mDelta
mar. 12/911:15 amLIS - SJC
2 stops20h 39mDelta
Deal found 6/11$582
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2011:59 pmLAS - LIS
2 stops25h 21mAir Canada
jue. 11/611:00 amLIS - LAS
1 stop17h 34mAir Canada
Deal found 6/12$583
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/176:38 pmSMF - LIS
2 stops30h 42mMultiple Airlines
mié. 11/265:00 amLIS - SMF
2 stops23h 47mMultiple Airlines
Deal found 6/11$588
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/214:05 pmSMF - LIS
2 stops33h 15mAir Canada
mar. 11/1111:00 amLIS - SMF
2 stops36h 21mAir Canada
Deal found 6/11$589
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1712:47 pmONT - LIS
2 stops26h 23mBritish Airways
mié. 10/112:30 pmLIS - ONT
2 stops32h 56mBritish Airways
Deal found 6/10$591
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/172:18 amLAS - LIS
1 stop22h 57mBritish Airways
mar. 11/2511:10 amLIS - LAS
1 stop20h 25mBritish Airways
Deal found 6/11$596

Cheapflights Fare Finder

Customize your flight search to find flights from California to Portugal 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 junio 12, 2025.
Use the filters below to find and compare flights from California to Portugal that are best for you.

Fly from

California

Fly to

Portugal

Route

Depart

Return

Price

San FranciscoLajes

SFO - TER

SFOTER

San Francisco

mar. 9/2

6:45 pm-11:15 am

Nonstop9h 30m

Lajes

mar. 9/9

1:00 pm-4:45 pm

Nonstop10h 45m

$553

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

mar. 12/2

8:00 am-9:20 am

2 stops17h 20m

Lisbon Humberto Delgado

jue. 12/11

11:00 am-11:36 am

2 stops32h 36m

$555

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

lun. 12/1

8:45 am-9:20 am

2 stops40h 35m

Lisbon Humberto Delgado

vie. 12/12

11:00 am-1:26 pm

2 stops34h 26m

$567

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

lun. 8/4

2:37 pm-4:05 pm

2 stops17h 28m

Lisbon Humberto Delgado

mié. 8/20

9:00 am-10:48 pm

2 stops21h 48m

$569

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

sáb. 10/25

7:05 pm-10:15 am

2 stops32h 10m

Lisbon Humberto Delgado

mié. 11/5

5:00 am-9:15 pm

2 stops24h 15m

$580

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

lun. 12/1

10:20 pm-8:00 am

2 stops25h 40m

Lisbon Humberto Delgado

mar. 12/9

11:15 am-11:54 pm

2 stops20h 39m

$582

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

lun. 10/20

11:59 pm-9:20 am

2 stops25h 21m

Lisbon Humberto Delgado

jue. 11/6

11:00 am-8:34 pm

1 stop17h 34m

$583

SacramentoLisbon

SMF - LIS

SMFLIS

Sacramento Intl

lun. 11/17

6:38 pm-9:20 am

2 stops30h 42m

Lisbon Humberto Delgado

mié. 11/26

5:00 am-8:47 pm

2 stops23h 47m

$588

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

mié. 9/17

12:47 pm-11:10 pm

2 stops26h 23m

Lisbon Humberto Delgado

mié. 10/1

12:30 pm-1:26 pm

2 stops32h 56m

$591

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

lun. 11/17

2:18 am-9:15 am

1 stop22h 57m

Lisbon Humberto Delgado

mar. 11/25

11:10 am-11:35 pm

1 stop20h 25m

$596

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 California to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from California 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 California to Portugal

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

Currently, January is the cheapest month in which you can book a flight from California to Portugal (average of $612). Flying from California to Portugal in June is currently the most expensive (average of $1,136). 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 CA to PT?

Find hourly flight availability from California to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

When flying from California to Portugal, 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 Portugal by month

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

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

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

If weather is an important factor for your trip to Portugal, 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 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated junio 12, 2025.
Read through reviews of airlines operating flights from California to Portugal, such as Delta, Porter Airlines and KLM. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

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!
Porter Airlines
8.0
Very good
288 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

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
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

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
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

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!
Azores Airlines
7.6
Good
66 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

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 California to Portugal. 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 California to Portugal flight route?

    Flights from California to Portugal have been viewed 35 times in the past calendar month.

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

    $288 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on United Airlines and TAP AIR PORTUGAL, with prices starting from $336 and $336, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from California to Portugal 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 California to Portugal?

    Currently, January is the cheapest month in which you can book a flight from California to Portugal (average of $612). Flying from California to Portugal in June is currently the most expensive (average of $1,136). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for California to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from California to Portugal

Discover the top 10 airlines that operate flights from California to Portugal. 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$369Average$698FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$469Average$967FlexibilityNo cancel feeOn-time77%
VuelingCheapest$502Average$799FlexibilityNo cancel feeOn-time88%
DeltaCheapest$512Average$997FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$524Average$968FlexibilityNo cancel feeOn-time79%
FinnairCheapest$540Average$874FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$547Average$1,071FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$560Average$789FlexibilityNo cancel feeOn-time77%
KLMCheapest$560Average$960FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$568Average$1,142FlexibilityNo cancel feeOn-time69%

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