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Portugal

$322+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LIS
Jul 17 — Jul 241
Fri 7/17
Fri 7/24
1 adult, Economy
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Cheap 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 June 17, 2026.

This Trip.com deal was found by Cheapflights users on 6/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:45 pm
SFO
-
OPO
1 stop34h 20m
Scandinavian Airlines
Sun 11/155:35 pm
OPO
-
SFO
1 stop29h 15m
Scandinavian Airlines
Deal found 6/15$732
This Gotogate deal was found by Cheapflights users on 6/15. 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.
Sat 12/1211:50 pm
LAS
-
LIS
1 stop27h 10m
Multiple Airlines
Tue 12/1511:20 am
LIS
-
LAS
1 stop31h 35m
Multiple Airlines
Deal found 6/15$732
This Porter Airlines deal was found by Cheapflights users on 6/16. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/252:35 pm
LAS
-
LIS
1 stop32h 10m
Porter Airlines
Thu 12/39:00 am
LIS
-
LAS
1 stop36h 37m
Porter Airlines
Deal found 6/16$734
This Cheapflightsfares deal was found by Cheapflights users on 6/16. 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.
Wed 11/116:00 pm
SAN
-
LIS
1 stop19h 50m
British Airways
Wed 11/1811:05 am
LIS
-
SAN
1 stop18h 34m
British Airways
Deal found 6/16$735
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:45 am
LAS
-
LIS
1 stop15h 50m
Air Transat
Fri 7/2411:35 am
LIS
-
LAS
1 stop18h 47m
Air Transat
Deal found 6/12$735
This CheapOair deal was found by Cheapflights users on 6/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:20 am
LAS
-
LIS
2 stops18h 30m
Multiple Airlines
Fri 11/275:00 am
LIS
-
LAS
2 stops19h 08m
Multiple Airlines
Deal found 6/13$742
This United Airlines deal was found by Cheapflights users on 6/16. 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 11/256:00 am
LAS
-
LIS
2 stops18h 10m
United Airlines
Thu 12/35:00 am
LIS
-
LAS
1 stop17h 35m
United Airlines
Deal found 6/16$743
This FlightHub deal was found by Cheapflights users on 6/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:45 pm
SFO
-
OPO
1 stop34h 20m
Scandinavian Airlines
Mon 11/1611:55 am
OPO
-
SFO
1 stop34h 55m
Scandinavian Airlines
Deal found 6/16$745
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Sun 12/67:10 am
LAS
-
LIS
1 stop17h 00m
United Airlines
Tue 12/811:20 am
LIS
-
LAS
2 stops32h 06m
United Airlines
Deal found 6/15$745
This United deal was found by Cheapflights users on 6/13. 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.
Sun 10/2511:00 pm
SMF
-
LIS
1 stop26h 10m
Multiple Airlines
Tue 11/311:20 am
LIS
-
SMF
2 stops36h 02m
Multiple Airlines
Deal found 6/13$747
This Air Canada deal was found by Cheapflights users on 6/16. 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.
Sun 12/64:05 pm
SMF
-
LIS
2 stops33h 45m
Air Canada
Thu 12/101:00 pm
LIS
-
SMF
2 stops39h 47m
Air Canada
Deal found 6/16$749
This FlightHub deal was found by Cheapflights users on 6/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:10 pm
LAS
-
LIS
2 stops32h 40m
Air Canada
Fri 11/271:00 pm
LIS
-
LAS
2 stops35h 49m
Air Canada
Deal found 6/17$749

Find flight deals from California to Portugal

Keep the following information in mind while searching for California to Portugal flight deals. Data was last updated June 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$732
(Trip.com)

One-way from

$322
(Orbitz)

Popular in

June

Cheapest in

January

Average price

$1,149

Good round-trip deal

$726 or less

Good one-way deal

$477 or less
Provider with most accurate pricing for Los Angeles-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Lisbon Humberto Delgado flights.
Search Deals
From California to Portugal
Search Deals
One-way flight from California to Portugal
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($267 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from California to Portugal.
Search Deals
Price to beat on a one-way flight from California to Portugal.
Search Deals

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 June 17, 2026.
Use the filters below to find and compare flights from California to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sun 12/6

7:10 am-8:10 am

1 stop17h 00m

Lisbon Humberto Delgado

Tue 12/8

11:20 am-11:26 am

2 stops32h 06m

$745

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 11/16

11:50 pm-11:00 am

1 stop27h 10m

Lisbon Humberto Delgado

Fri 11/27

5:00 am-9:40 pm

2 stops24h 40m

$747

SacramentoLisbon

SMF - LIS

SMFLIS

Sacramento Intl

Sun 12/6

8:00 am-10:15 am

1 stop18h 15m

Lisbon Humberto Delgado

Thu 12/10

1:00 pm-10:35 pm

2 stops41h 35m

$750

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sun 12/6

7:20 am-11:00 am

2 stops19h 40m

Lisbon Humberto Delgado

Tue 12/8

1:00 pm-11:26 am

2 stops30h 26m

$754

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 11/16

7:30 pm-9:50 am

3 stops30h 20m

Lisbon Humberto Delgado

Fri 11/27

5:00 am-5:57 pm

2 stops20h 57m

$757

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Wed 11/25

11:30 am-3:10 pm

2 stops19h 40m

Lisbon Humberto Delgado

Thu 12/3

5:00 am-6:46 pm

2 stops21h 46m

$759

SacramentoLisbon

SMF - LIS

SMFLIS

Sacramento Intl

Mon 11/2

8:00 am-10:15 am

1 stop18h 15m

Lisbon Humberto Delgado

Mon 11/16

12:25 pm-9:02 pm

2 stops40h 37m

$773

SacramentoLisbon

SMF - LIS

SMFLIS

Sacramento Intl

Mon 10/19

10:55 pm-9:20 am

2 stops26h 25m

Lisbon Humberto Delgado

Tue 10/27

11:20 am-3:00 pm

2 stops34h 40m

$796

SacramentoLisbon

SMF - LIS

SMFLIS

Sacramento Intl

Sat 10/17

6:27 pm-8:20 am

2 stops29h 53m

Lisbon Humberto Delgado

Fri 10/30

1:00 pm-9:02 pm

2 stops39h 02m

$802

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Sun 12/6

5:00 am-8:10 am

2 stops19h 10m

Lisbon Humberto Delgado

Thu 12/10

1:00 pm-8:20 pm

2 stops39h 20m

$827

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 60 resultsSorted by cheapest first
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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, November is the cheapest month in which you can book a flight from California to Portugal (average of $645). Flying from California to Portugal in June is currently the most expensive (average of $1,283). 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 June 17, 2026.

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.

How far ahead should I book a flight from California to Portugal?

The best time to book flights from California to Portugal is 46 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your 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 53 times in the past calendar month.

  • How long is the flight from California to Portugal?

    Departing from California to Portugal will take you 18h 10m. There are 5437 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?

    $165 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on Iberia and British Airways, with prices starting from $235 and $238, 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, November is the cheapest month in which you can book a flight from California to Portugal (average of $645). Flying from California to Portugal in June is currently the most expensive (average of $1,283). 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 June 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$222Average$775FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$262Average$810FlexibilityNo cancel feeOn-time79%
IberiaCheapest$309Average$862FlexibilityNo cancel feeOn-time77%
KLMCheapest$366Average$865FlexibilityNo cancel feeOn-time75%
Scandinavian AirlinesCheapest$429Average$693FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$431Average$903FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$436Average$954FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$440Average$1,028FlexibilityNo cancel feeOn-time69%
DeltaCheapest$491Average$1,003FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$495Average$749FlexibilityNo cancel feeOn-time77%

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