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$285+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LIS
Apr 27 — May 41
Sun 4/27
Sun 5/4
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 April 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$621
(Air Canada)

One-way from

$294
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$871

Good round-trip deal

$578 or less

Good one-way deal

$331 or less
Provider with most accurate pricing for Los Angeles-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Lisbon Humberto Delgado flights.
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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. 17% potential increase in price ($202 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 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 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 April 22, 2025.

This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:35 pmSFO - FAO
1 stop23h 15mTAP AIR PORTUGAL
Wed 12/106:05 amFAO - SFO
1 stop16h 40mTAP AIR PORTUGAL
Deal found 4/22$600
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:10 amSMF - LIS
2 stops19h 10mAir Canada
Tue 11/2511:00 amLIS - SMF
2 stops41h 47mAir Canada
Deal found 4/22$621
This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/217:40 pmSFO - LIS
1 stop29h 25mScandinavian Airlines
Sun 11/94:55 pmLIS - SFO
1 stop29h 40mScandinavian Airlines
Deal found 4/21$625
This Iberia deal was found by Cheapflights users on 4/20. 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.
Sun 10/198:10 pmSFO - LIS
1 stop17h 20mIberia
Fri 10/249:15 pmLIS - SFO
1 stop28h 55mIberia
Deal found 4/20$626
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:45 pmSFO - LIS
1 stop13h 50mTAP AIR PORTUGAL
Thu 9/259:55 amLIS - SFO
Nonstop12h 35mTAP AIR PORTUGAL
Deal found 4/22$627
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.
Wed 10/2910:00 amSFO - LIS
2 stops22h 10mDelta
Thu 11/2011:25 amLIS - SFO
1 stop32h 25mDelta
Deal found 4/21$631
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/238:30 amSFO - LIS
1 stop16h 50mUnited Airlines
Thu 11/611:00 amLIS - SFO
2 stops40h 42mUnited Airlines
Deal found 4/21$640
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/155:00 amSMF - LIS
2 stops20h 20mUnited Airlines
Wed 11/2611:55 amLIS - SMF
1 stop15h 57mUnited Airlines
Deal found 4/22$644
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:30 amSFO - LIS
1 stop17h 50mAir Canada
Wed 11/195:00 amLIS - SFO
2 stops18h 35mAir Canada
Deal found 4/22$646
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:25 amSMF - LIS
2 stops23h 20mBritish Airways
Thu 11/136:30 amLIS - SMF
2 stops24h 05mBritish Airways
Deal found 4/22$647
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2311:25 pmSFO - LIS
1 stop24h 55mMultiple Airlines
Thu 11/611:00 amLIS - SFO
1 stop32h 36mMultiple Airlines
Deal found 4/21$648
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1811:10 pmSFO - LIS
1 stop25h 55mAmerican Airlines
Tue 11/47:05 amLIS - SFO
2 stops19h 36mAmerican Airlines
Deal found 4/22$650

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 April 22, 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

SacramentoLisbon

SMF - LIS

SMFLIS

Sacramento Intl

Mon 10/13

6:10 am-9:20 am

2 stops19h 10m

Lisbon Humberto Delgado

Tue 11/25

11:00 am-8:47 pm

2 stops41h 47m

$621

SacramentoLisbon

SMF - LIS

SMFLIS

Sacramento Intl

Wed 10/15

6:10 am-9:20 am

2 stops19h 10m

Lisbon Humberto Delgado

Thu 11/27

10:15 am-8:31 pm

1 stop18h 16m

$644

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Sat 10/11

6:38 pm-9:20 am

2 stops54h 42m

Lisbon Humberto Delgado

Fri 11/21

10:15 am-10:35 pm

2 stops20h 20m

$654

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Mon 5/26

5:45 pm-9:10 pm

1 stop19h 25m

Lisbon Humberto Delgado

Tue 6/10

9:35 pm-3:55 pm

1 stop26h 20m

$670

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Fri 5/2

9:25 pm-8:40 am

1 stop27h 15m

Lisbon Humberto Delgado

Thu 5/22

4:20 pm-7:05 pm

1 stop34h 45m

$675

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Fri 9/19

7:50 pm-8:35 pm

1 stop16h 45m

Lisbon Humberto Delgado

Sat 9/27

9:10 am-6:05 pm

1 stop16h 55m

$682

SacramentoLisbon

SMF - LIS

SMFLIS

Sacramento Intl

Mon 10/13

10:34 am-9:50 pm

2 stops27h 16m

Lisbon Humberto Delgado

Mon 12/1

3:55 pm-11:28 pm

2 stops39h 33m

$691

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Fri 9/19

7:30 pm-8:40 pm

1 stop17h 10m

Lisbon Humberto Delgado

Wed 10/1

6:25 pm-4:20 pm

1 stop29h 55m

$695

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Mon 9/8

7:30 pm-11:00 am

1 stop31h 30m

Porto

Wed 9/24

11:50 am-4:20 pm

1 stop36h 30m

$697

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Thu 10/16

6:00 am-9:20 am

2 stops19h 20m

Lisbon Humberto Delgado

Tue 10/21

11:25 am-7:40 pm

1 stop16h 15m

$698

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

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 $1,203). 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 April 22, 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 April 22, 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
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Porter Airlines
8.0
Very good
284 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,331 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Transat
7.8
Good
385 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,272 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 21 times in the past calendar month.

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

    $339 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Vueling and Iberia, with prices starting from $361 and $363, 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 $1,203). 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 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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$425Average$703FlexibilityNo cancel feeOn-timeN/A
VuelingCheapest$502Average$804FlexibilityNo cancel feeOn-time88%
SWISSCheapest$537Average$987FlexibilityNo cancel feeOn-time79%
DeltaCheapest$540Average$1,021FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$540Average$926FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$547Average$1,145FlexibilityNo cancel feeOn-time76%
IberiaCheapest$556Average$971FlexibilityNo cancel feeOn-time77%
KLMCheapest$562Average$997FlexibilityNo cancel feeOn-time75%
Scandinavian AirlinesCheapest$566Average$792FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$568Average$1,147FlexibilityNo cancel feeOn-time69%

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