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Portugal

$228+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LIS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This oojo deal was found by Cheapflights users on 1/26. 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 2/34:45 pm
LAX
-
OPO
1 stop14h 15m
TAP AIR PORTUGAL
Wed 2/114:05 pm
OPO
-
LAX
1 stop30h 35m
TAP AIR PORTUGAL
Deal found 1/26$431
This oojo deal was found by Cheapflights users on 1/26. 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.
Fri 3/67:10 pm
SFO
-
OPO
1 stop15h 50m
TAP AIR PORTUGAL
Sat 3/146:55 am
OPO
-
SFO
1 stop15h 50m
TAP AIR PORTUGAL
Deal found 1/26$431
This oojo deal was found by Cheapflights users on 1/27. 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 3/34:45 pm
LAX
-
OPO
1 stop14h 15m
TAP AIR PORTUGAL
Tue 3/176:55 am
OPO
-
LAX
1 stop16h 05m
TAP AIR PORTUGAL
Deal found 1/27$432
This oojo deal was found by Cheapflights users on 1/27. 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.
Fri 3/138:10 pm
SFO
-
OPO
1 stop18h 50m
TAP AIR PORTUGAL
Tue 3/248:00 pm
OPO
-
SFO
1 stop26h 30m
TAP AIR PORTUGAL
Deal found 1/27$432
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1211:57 am
SAN
-
LIS
2 stops28h 33m
Lufthansa
Thu 3/196:10 am
LIS
-
SAN
1 stop17h 35m
Lufthansa
Deal found 1/28$434
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/314:45 pm
LAX
-
OPO
1 stop14h 15m
TAP AIR PORTUGAL
Mon 2/165:55 pm
OPO
-
LAX
1 stop29h 05m
TAP AIR PORTUGAL
Deal found 1/28$439
This Mytrip deal was found by Cheapflights users on 1/26. 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 4/237:55 pm
SFO
-
OPO
1 stop19h 05m
TAP AIR PORTUGAL
Mon 4/2710:35 pm
OPO
-
SFO
1 stop24h 00m
TAP AIR PORTUGAL
Deal found 1/26$444
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:10 pm
LAX
-
OPO
1 stop32h 05m
SWISS
Tue 3/107:25 pm
OPO
-
LAX
1 stop29h 10m
SWISS
Deal found 1/28$445
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Tue 3/106:35 pm
SAN
-
LIS
1 stop21h 55m
Lufthansa
Thu 3/196:10 am
LIS
-
SAN
1 stop17h 35m
Lufthansa
Deal found 1/26$449
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/234:35 pm
SFO
-
OPO
1 stop14h 25m
TAP AIR PORTUGAL
Sun 3/12:50 pm
OPO
-
SFO
1 stop31h 45m
TAP AIR PORTUGAL
Deal found 1/28$449
This FlightHub deal was found by Cheapflights users on 1/27. 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 2/164:35 pm
SFO
-
OPO
1 stop14h 25m
TAP AIR PORTUGAL
Sun 2/228:00 pm
OPO
-
SFO
1 stop26h 35m
TAP AIR PORTUGAL
Deal found 1/27$451
This FlightHub deal was found by Cheapflights users on 1/27. 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 3/74:35 pm
SFO
-
OPO
1 stop34h 00m
TAP AIR PORTUGAL
Sun 3/158:00 pm
OPO
-
SFO
1 stop26h 35m
TAP AIR PORTUGAL
Deal found 1/27$455

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$431
(oojo)

One-way from

$228
(oojo)

Popular in

June

Cheapest in

January

Average price

$591

Good round-trip deal

$548 or less

Good one-way deal

$353 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. 22% potential increase in price ($231 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 29, 2026.
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

Wed 4/8

7:00 am-3:25 pm

2 stops24h 25m

Porto

Tue 4/14

11:30 am-11:50 am

1 stop32h 20m

$484

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Tue 4/7

6:20 am-10:05 pm

2 stops31h 45m

Porto

Tue 4/21

5:00 am-11:50 am

1 stop14h 50m

$484

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Tue 4/7

6:20 am-10:05 pm

2 stops31h 45m

Porto

Thu 4/23

5:00 am-11:50 am

1 stop14h 50m

$484

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Tue 3/10

3:00 pm-3:25 pm

1 stop17h 25m

Porto

Tue 3/17

5:00 am-1:05 pm

1 stop15h 05m

$486

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 3/2

8:41 am-10:15 am

1 stop17h 34m

Lisbon Humberto Delgado

Wed 5/6

5:05 am-4:20 pm

1 stop19h 15m

$486

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Sat 3/7

2:00 pm-10:30 am

1 stop36h 30m

Porto

Tue 3/24

5:00 am-1:05 pm

1 stop15h 05m

$486

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Tue 3/3

11:35 am-9:30 am

1 stop13h 55m

Porto

Tue 3/10

12:30 pm-12:17 am

2 stops18h 47m

$488

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Mon 2/23

7:00 am-9:00 am

1 stop18h 00m

Lisbon Humberto Delgado

Mon 3/2

11:25 am-12:05 pm

1 stop32h 40m

$489

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 3/3

7:03 am-9:00 am

1 stop17h 57m

Lisbon Humberto Delgado

Wed 3/11

11:25 am-3:15 pm

1 stop34h 50m

$489

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Tue 4/14

10:59 am-4:05 pm

2 stops21h 06m

Lisbon Humberto Delgado

Wed 4/22

6:35 am-11:46 pm

2 stops25h 11m

$490

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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 $406). Flying from California to Portugal in June is currently the most expensive (average of $713). 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 January 29, 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.

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 56 times in the past calendar month.

  • How long is the flight from California to Portugal?

    Departing from California to Portugal will take you 17h 25m. There are 5596 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?

    $225 is the cheapest one-way deal found within the past few days, from LEVEL. You may also be able to find cheap deals on British Airways and KLM, with prices starting from $245 and $245, 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 $406). Flying from California to Portugal in June is currently the most expensive (average of $713). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$262Average$906FlexibilityNo cancel feeOn-time79%
LEVELCheapest$263Average$675FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$309Average$891FlexibilityNo cancel feeOn-time77%
KLMCheapest$366Average$732FlexibilityNo cancel feeOn-time75%
Scandinavian AirlinesCheapest$385Average$634FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$437Average$915FlexibilityNo cancel feeOn-time76%
VuelingCheapest$452Average$888FlexibilityNo cancel feeOn-time88%
Air FranceCheapest$473Average$727FlexibilityNo cancel feeOn-time77%
DeltaCheapest$484Average$887FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$501Average$924FlexibilityNo cancel feeOn-timeN/A

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