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Portugal

$201+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LIS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$477
(Mytrip)

One-way from

$201
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$854

Good round-trip deal

$350 or less

Good one-way deal

$243 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. 5% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:40 pmSFO - OPO
1 stop16h 15mScandinavian Airlines
Fri 11/215:35 pmOPO - SFO
1 stop29h 00mScandinavian Airlines
Deal found 9/11$477
This oojo deal was found by Cheapflights users on 9/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:40 pmSFO - FAO
2 stops33h 05mScandinavian Airlines
Wed 12/1010:35 amFAO - SFO
2 stops36h 00mScandinavian Airlines
Deal found 9/10$477
This Air Canada deal was found by Cheapflights users on 9/11. 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.
Mon 10/2712:25 pmSNA - LIS
2 stops37h 55mMultiple Airlines
Wed 11/125:00 amLIS - SNA
2 stops38h 25mMultiple Airlines
Deal found 9/11$484
This Iberia deal was found by Cheapflights users on 9/10. 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.
Mon 11/176:00 amSJC - LIS
2 stops24h 55mMultiple Airlines
Tue 11/257:40 pmLIS - SJC
2 stops33h 09mMultiple Airlines
Deal found 9/10$494
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 11/258:45 amSJC - LIS
2 stops17h 30mUnited Airlines
Wed 12/311:00 amLIS - SJC
2 stops38h 51mUnited Airlines
Deal found 9/10$498
This Scandinavian Airlines deal was found by Cheapflights users on 9/8. 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.
Thu 11/274:40 pmSFO - OPO
1 stop16h 15mScandinavian Airlines
Fri 12/55:45 pmOPO - SFO
1 stop28h 50mScandinavian Airlines
Deal found 9/8$498
This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:45 amSJC - LIS
2 stops16h 10mAir Canada
Wed 12/311:00 amLIS - SJC
2 stops34h 32mAir Canada
Deal found 9/10$500
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 11/47:00 amONT - LIS
2 stops18h 20mUnited Airlines
Tue 11/185:00 amLIS - ONT
2 stops20h 34mUnited Airlines
Deal found 9/10$500
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 12/319:00 amSJC - LIS
2 stops17h 15mUnited Airlines
Fri 1/3010:15 amLIS - SJC
2 stops35h 24mUnited Airlines
Deal found 9/11$501
This Finnair deal was found by Cheapflights users on 9/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:00 amSJC - LIS
2 stops31h 10mMultiple Airlines
Thu 10/3010:55 amLIS - SJC
2 stops18h 50mMultiple Airlines
Deal found 9/10$503
This Finnair deal was found by Cheapflights users on 9/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:00 amSJC - LIS
2 stops17h 55mMultiple Airlines
Thu 12/44:10 pmLIS - SJC
2 stops36h 26mMultiple Airlines
Deal found 9/10$504
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 11/197:00 amONT - LIS
2 stops17h 10mUnited Airlines
Tue 11/2512:20 pmLIS - ONT
2 stops18h 31mUnited Airlines
Deal found 9/11$504

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 September 11, 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

Santa AnaLisbon

SNA - LIS

SNALIS

Santa Ana J. Wayne/Orange Cnty

Mon 10/27

12:25 pm-9:20 am

2 stops37h 55m

Lisbon Humberto Delgado

Wed 11/12

5:00 am-11:25 am

2 stops38h 25m

$484

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Tue 11/25

8:45 am-10:15 am

2 stops17h 30m

Lisbon Humberto Delgado

Wed 12/3

11:00 am-5:51 pm

2 stops38h 51m

$498

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Tue 11/25

8:45 am-10:15 am

2 stops17h 30m

Lisbon Humberto Delgado

Fri 12/5

11:20 am-1:32 pm

2 stops34h 12m

$498

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Tue 2/17

8:25 am-9:20 am

2 stops40h 55m

Lisbon Humberto Delgado

Wed 2/25

11:20 am-9:11 pm

2 stops41h 51m

$500

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Tue 11/4

7:00 am-9:20 am

2 stops18h 20m

Lisbon Humberto Delgado

Tue 11/18

5:00 am-5:34 pm

2 stops20h 34m

$500

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Wed 12/31

9:00 am-10:15 am

2 stops17h 15m

Lisbon Humberto Delgado

Fri 1/30

10:15 am-1:39 pm

2 stops35h 24m

$501

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Mon 2/16

5:52 am-9:05 am

2 stops19h 13m

Lisbon Humberto Delgado

Mon 2/23

11:05 am-10:20 pm

2 stops19h 15m

$515

Santa AnaLisbon

SNA - LIS

SNALIS

Santa Ana J. Wayne/Orange Cnty

Wed 11/19

6:25 pm-11:30 pm

2 stops21h 05m

Lisbon Humberto Delgado

Tue 12/9

5:00 am-9:07 pm

2 stops24h 07m

$519

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Tue 11/11

5:05 am-9:20 am

2 stops20h 15m

Lisbon Humberto Delgado

Mon 11/17

3:55 pm-9:49 pm

2 stops37h 54m

$519

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Sat 10/25

8:30 pm-4:45 pm

1 stop37h 15m

Porto

Fri 11/7

5:45 pm-5:00 pm

1 stop31h 15m

$522

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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 $1,127). 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 September 11, 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.

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 46 times in the past calendar month.

  • How long is the flight from California to Portugal?

    Departing from California to Portugal will take you 17h 30m. There are 5658 mi between California and Portugal. This flight may include one or multiple stops.

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

    $278 is the cheapest one-way deal found within the past few days, from LEVEL. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from $291 and $291, 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 $1,127). 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$351Average$645FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$363Average$920FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$409Average$774FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$496Average$782FlexibilityNo cancel feeOn-time72%
TAP AIR PORTUGALCheapest$504Average$983FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$516Average$971FlexibilityNo cancel feeOn-time79%
VuelingCheapest$522Average$803FlexibilityNo cancel feeOn-time88%
DeltaCheapest$540Average$936FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$550Average$1,040FlexibilityNo cancel feeOn-time76%
KLMCheapest$559Average$874FlexibilityNo cancel feeOn-time75%

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