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$226+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LIS
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
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 julio 31, 2025.

Round-trip from

$467
(Kiwi.com)

One-way from

$226
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$977

Good round-trip deal

$382 or less

Good one-way deal

$329 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. 4% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
dom. 10/54:30 pmLAX - OPO
1 stop32h 45mMultiple Airlines
sáb. 10/189:50 pmOPO - LAX
1 stop24h 20mMultiple Airlines
Deal found 7/30$467
This Scandinavian Airlines deal was found by Cheapflights users on 7/31. 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.
lun. 9/297:30 pmLAX - OPO
1 stop31h 30mScandinavian Airlines
vie. 10/175:55 pmOPO - LAX
1 stop30h 25mScandinavian Airlines
Deal found 7/31$508
This Finnair deal was found by Cheapflights users on 7/31. 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.
dom. 11/29:59 amSNA - LIS
2 stops14h 56mMultiple Airlines
mié. 11/1211:15 amLIS - SNA
2 stops18h 24mMultiple Airlines
Deal found 7/31$510
This Delta deal was found by Cheapflights users on 7/31. 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.
mié. 11/57:05 amONT - LIS
2 stops16h 55mDelta
jue. 11/1311:15 amLIS - ONT
2 stops19h 26mDelta
Deal found 7/31$529
This Delta deal was found by Cheapflights users on 7/30. 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.
mié. 12/107:15 amSNA - LIS
2 stops17h 45mDelta
dom. 12/145:30 amLIS - SNA
2 stops20h 50mDelta
Deal found 7/30$540
This Expedia deal was found by Cheapflights users on 7/29. 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.
sáb. 11/83:08 pmONT - LIS
2 stops58h 42mBritish Airways
mar. 11/187:40 pmLIS - ONT
2 stops34h 49mBritish Airways
Deal found 7/29$543
This Mytrip deal was found by Cheapflights users on 7/31. 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.
lun. 9/228:40 amSFO - OPO
2 stops22h 25mMultiple Airlines
lun. 10/67:25 pmOPO - SFO
2 stops25h 15mMultiple Airlines
Deal found 7/31$545
This United Airlines deal was found by Cheapflights users on 7/29. 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.
mar. 11/116:30 amSJC - LIS
2 stops18h 50mUnited Airlines
mar. 11/1811:20 amLIS - SJC
2 stops39h 28mUnited Airlines
Deal found 7/29$556
This oojo deal was found by Cheapflights users on 7/31. 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.
mar. 10/285:45 pmLAX - OPO
1 stop16h 15mTAP AIR PORTUGAL
mié. 11/58:00 pmOPO - LAX
1 stop27h 00mTAP AIR PORTUGAL
Deal found 7/31$576
This oojo deal was found by Cheapflights users on 7/31. 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.
sáb. 11/15:35 pmSFO - OPO
1 stop17h 30mTAP AIR PORTUGAL
vie. 11/149:00 amOPO - SFO
1 stop15h 05mTAP AIR PORTUGAL
Deal found 7/31$576
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
mié. 10/157:30 pmSFO - OPO
1 stop15h 00mSWISS
mar. 11/47:25 pmOPO - SFO
1 stop29h 05mSWISS
Deal found 7/29$581
This FlightHub deal was found by Cheapflights users on 7/31. 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.
lun. 10/208:30 amSMF - LIS
2 stops16h 50mAir Canada
jue. 11/610:55 amLIS - SMF
2 stops43h 23mAir Canada
Deal found 7/31$583

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 julio 31, 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

dom. 10/5

4:30 pm-9:15 am

1 stop32h 45m

Porto

sáb. 10/18

9:50 pm-2:10 pm

1 stop24h 20m

$467

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

lun. 9/29

7:30 pm-11:00 am

1 stop31h 30m

Porto

vie. 10/17

5:55 pm-4:20 pm

1 stop30h 25m

$508

Santa AnaLisbon

SNA - LIS

SNALIS

Santa Ana J. Wayne/Orange Cnty

dom. 11/2

9:59 am-8:55 am

2 stops14h 56m

Lisbon Humberto Delgado

mié. 11/12

11:15 am-9:39 pm

2 stops18h 24m

$510

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

mié. 11/5

7:05 am-8:00 am

2 stops16h 55m

Lisbon Humberto Delgado

jue. 11/13

11:15 am-10:41 pm

2 stops19h 26m

$529

Santa AnaLisbon

SNA - LIS

SNALIS

Santa Ana J. Wayne/Orange Cnty

mié. 12/10

7:15 am-9:00 am

2 stops17h 45m

Lisbon Humberto Delgado

dom. 12/14

5:30 am-6:20 pm

2 stops20h 50m

$540

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

sáb. 11/8

3:08 pm-9:50 am

2 stops58h 42m

Lisbon Humberto Delgado

mar. 11/18

7:40 pm-10:29 pm

2 stops34h 49m

$543

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

lun. 9/22

8:40 am-3:05 pm

2 stops22h 25m

Porto

lun. 10/6

7:25 pm-12:40 pm

2 stops25h 15m

$545

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

mar. 11/11

6:30 am-9:20 am

2 stops18h 50m

Lisbon Humberto Delgado

mar. 11/18

11:20 am-6:48 pm

2 stops39h 28m

$556

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

mar. 10/28

5:45 pm-5:00 pm

1 stop16h 15m

Porto

mié. 11/5

8:00 pm-3:00 pm

1 stop27h 00m

$576

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

lun. 10/6

4:20 pm-8:25 pm

1 stop20h 05m

Porto

mié. 10/15

7:00 am-2:35 pm

1 stop15h 35m

$577

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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 $1,129). 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 julio 31, 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.

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 julio 31, 2025.
Get a feel of what it's like to fly with Delta, KLM, and Finnair from California to Portugal by reading reviews from past customers. 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
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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
1,316 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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 France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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.
SWISS
7.5
Good
1,686 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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 41 times in the past calendar month.

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

    $307 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on American Airlines and British Airways, with prices starting from $322 and $323, 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 $1,129). 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$347Average$943FlexibilityNo cancel feeOn-time77%
LEVELCheapest$351Average$647FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$490Average$786FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$496Average$785FlexibilityNo cancel feeOn-time72%
DeltaCheapest$512Average$941FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$516Average$967FlexibilityNo cancel feeOn-time79%
VuelingCheapest$518Average$800FlexibilityNo cancel feeOn-time88%
FinnairCheapest$540Average$873FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$547Average$1,067FlexibilityNo cancel feeOn-time76%
KLMCheapest$559Average$921FlexibilityNo cancel feeOn-time75%

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