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Portugal

$287+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LIS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$448
(Kiwi.com)

One-way from

$287
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$695

Good round-trip deal

$388 or less

Good one-way deal

$239 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. 7% potential increase in price ($68 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 October 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 October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/275:30 pmLAX - OPO
1 stop22h 10mMultiple Airlines
Thu 12/47:25 pmOPO - LAX
1 stop29h 10mMultiple Airlines
Deal found 10/30$448
This Mytrip deal was found by Cheapflights users on 10/30. 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 11/275:30 pmLAX - OPO
1 stop22h 10mMultiple Airlines
Fri 12/126:30 amOPO - LAX
2 stops22h 38mMultiple Airlines
Deal found 10/30$456
This Expedia deal was found by Cheapflights users on 10/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/295:30 pmLAX - OPO
1 stop22h 10mMultiple Airlines
Sat 12/611:55 amOPO - LAX
1 stop36h 40mMultiple Airlines
Deal found 10/30$479
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/2711:45 amLAX - OPO
1 stop13h 45mUnited Airlines
Thu 12/46:00 amOPO - LAX
3 stops25h 20mUnited Airlines
Deal found 10/30$484
This Air Canada deal was found by Cheapflights users on 10/30. 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.
Tue 12/25:05 amONT - LIS
2 stops20h 15mAir Canada
Fri 12/1211:20 amLIS - ONT
2 stops33h 12mAir Canada
Deal found 10/30$490
This United Airlines deal was found by Cheapflights users on 10/28. 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 1/306:10 amLIS - SJC
2 stops22h 46mUnited Airlines
Deal found 10/28$491
This Delta deal was found by Cheapflights users on 10/30. 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.
Sat 11/295:45 amLAX - OPO
2 stops20h 45mDelta
Sat 12/66:00 amOPO - LAX
2 stops24h 28mDelta
Deal found 10/30$492
This oojo deal was found by Cheapflights users on 10/30. 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.
Thu 11/277:10 pmLAX - OPO
1 stop32h 00mSWISS
Thu 12/412:05 pmOPO - LAX
1 stop36h 30mSWISS
Deal found 10/30$493
This Booking.com deal was found by Cheapflights users on 10/28. 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.
Wed 12/38:45 amSJC - LIS
2 stops16h 10mMultiple Airlines
Wed 12/105:00 amLIS - SJC
2 stops24h 27mMultiple Airlines
Deal found 10/28$494
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/26:00 amONT - LIS
2 stops19h 20mUnited Airlines
Thu 12/116:10 amLIS - ONT
2 stops22h 32mUnited Airlines
Deal found 10/30$494
This Air Canada deal was found by Cheapflights users on 10/30. 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 12/35:05 amONT - LIS
2 stops19h 50mAir Canada
Fri 12/1211:20 amLIS - ONT
2 stops33h 12mAir Canada
Deal found 10/30$496
This Delta deal was found by Cheapflights users on 10/30. 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 12/119:49 amSNA - LIS
2 stops21h 21mDelta
Mon 12/155:00 amLIS - SNA
2 stops23h 18mDelta
Deal found 10/30$500

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 October 30, 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

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Sat 1/17

7:10 pm-6:35 pm

1 stop15h 25m

Porto

Sat 1/24

6:00 am-5:17 pm

2 stops19h 17m

$479

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Wed 2/11

7:10 pm-11:10 am

1 stop32h 00m

Porto

Wed 2/18

12:10 pm-4:35 pm

1 stop36h 25m

$482

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Tue 2/10

7:10 pm-11:15 am

1 stop32h 05m

Porto

Fri 2/20

7:20 pm-4:35 pm

1 stop29h 15m

$482

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Thu 11/27

11:45 am-9:30 am

1 stop13h 45m

Porto

Thu 12/4

6:00 am-11:20 pm

3 stops25h 20m

$484

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Tue 12/2

5:05 am-9:20 am

2 stops20h 15m

Lisbon Humberto Delgado

Fri 12/12

11:20 am-12:32 pm

2 stops33h 12m

$490

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Tue 1/20

5:05 am-9:20 am

2 stops20h 15m

Lisbon Humberto Delgado

Wed 2/4

11:20 am-12:47 pm

2 stops33h 27m

$490

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

6:10 am-8:56 pm

2 stops22h 46m

$491

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Sat 11/29

5:45 am-10:30 am

2 stops20h 45m

Porto

Sat 12/6

6:00 am-10:28 pm

2 stops24h 28m

$492

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Mon 2/2

1:53 pm-9:20 am

2 stops35h 27m

Lisbon Humberto Delgado

Wed 2/11

5:00 am-12:38 pm

2 stops39h 38m

$492

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Wed 12/3

8:45 am-8:55 am

2 stops16h 10m

Lisbon Humberto Delgado

Wed 12/10

5:00 am-9:27 pm

2 stops24h 27m

$494

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

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, May is the cheapest month in which you can book a flight from California to Portugal (average of $413). Flying from California to Portugal in June is currently the most expensive (average of $671). 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 October 30, 2025.

It’s typically best to fly out from California to Portugal in the evening. Doing so could potentially save you 19% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from California to Portugal?

Use this chart to determine the cheapest time to fly round-trip from California to Portugal. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their California to Portugal flight should consider departing on Thursday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 51 times in the past calendar month.

  • How long is the flight from California to Portugal?

    Departing from California to Portugal will take you 13h 45m. There are 5588 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?

    $291 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on United Airlines and Lufthansa, with prices starting from $292 and $303, 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, May is the cheapest month in which you can book a flight from California to Portugal (average of $413). Flying from California to Portugal in June is currently the most expensive (average of $671). 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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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$351Average$656FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$409Average$745FlexibilityNo cancel feeOn-time77%
IberiaCheapest$469Average$920FlexibilityNo cancel feeOn-time77%
SWISSCheapest$472Average$942FlexibilityNo cancel feeOn-time79%
KLMCheapest$497Average$862FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$498Average$991FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$505Average$991FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$515Average$1,082FlexibilityNo cancel feeOn-time69%
VuelingCheapest$522Average$802FlexibilityNo cancel feeOn-time88%
British AirwaysCheapest$531Average$834FlexibilityNo cancel feeOn-time70%

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