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$356+ Cheap flights from Porto (OPO) to California

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LAX
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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Cheap flight deals from Porto to California

Best flights from Porto to California
Discover carefully curated flight deals from Porto to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/19. 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 2/26:00 pmOPO - LAX
1 stop32h 05mMultiple Airlines
Tue 2/177:50 pmLAX - OPO
1 stop28h 20mMultiple Airlines
Deal found 12/19$573
This Gotogate deal was found by Cheapflights users on 12/19. 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.
Mon 2/26:55 amOPO - SFO
1 stop15h 40mTAP AIR PORTUGAL
Mon 2/94:35 pmSFO - OPO
1 stop14h 25mTAP AIR PORTUGAL
Deal found 12/19$627
This American Airlines deal was found by Cheapflights users on 12/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:20 amOPO - SFO
1 stop15h 50mAmerican Airlines
Sat 4/252:28 pmSFO - OPO
2 stops17h 32mAmerican Airlines
Deal found 12/18$656
This Iberia deal was found by Cheapflights users on 12/20. 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.
Fri 5/158:20 amOPO - SFO
2 stops20h 44mIberia
Mon 5/182:46 pmSFO - OPO
2 stops17h 14mIberia
Deal found 12/20$661
This British Airways deal was found by Cheapflights users on 12/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/158:20 amOPO - SFO
2 stops21h 53mBritish Airways
Wed 1/2811:48 amSFO - OPO
2 stops20h 57mBritish Airways
Deal found 12/19$662
This KLM deal was found by Cheapflights users on 12/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1511:45 amOPO - SFO
1 stop32h 00mKLM
Mon 5/188:10 pmSFO - OPO
1 stop18h 20mKLM
Deal found 12/20$667
This Kiwi.com deal was found by Cheapflights users on 12/19. 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 2/26:20 pmOPO - LAX
2 stops31h 45mMultiple Airlines
Sun 2/157:55 pmLAX - OPO
1 stop27h 40mMultiple Airlines
Deal found 12/19$586
This American Airlines deal was found by Cheapflights users on 12/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/158:20 amOPO - SFO
2 stops22h 14mAmerican Airlines
Wed 1/2811:36 pmSFO - OPO
2 stops24h 04mAmerican Airlines
Deal found 12/20$661
This Kiwi.com deal was found by Cheapflights users on 12/19. 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 2/99:55 pmOPO - LAX
1 stop28h 10mMultiple Airlines
Sun 2/227:55 pmLAX - OPO
2 stops18h 05mMultiple Airlines
Deal found 12/19$608
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 2/28:00 pmOPO - LAX
1 stop27h 00mTAP AIR PORTUGAL
Tue 2/174:45 pmLAX - OPO
1 stop18h 10mTAP AIR PORTUGAL
Deal found 12/20$682
This American Airlines deal was found by Cheapflights users on 12/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1512:25 pmOPO - SFO
2 stops19h 49mAmerican Airlines
Mon 5/182:46 pmSFO - OPO
2 stops17h 14mAmerican Airlines
Deal found 12/19$662
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 2/38:45 amOPO - LAX
1 stop17h 20mMultiple Airlines
Tue 2/107:50 pmLAX - OPO
1 stop17h 25mMultiple Airlines
Deal found 12/20$619
This Iberia deal was found by Cheapflights users on 12/19. 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 2/99:55 pmOPO - LAX
1 stop28h 10mIberia
Sun 2/226:10 pmLAX - OPO
1 stop17h 50mIberia
Deal found 12/19$759
This British Airways deal was found by Cheapflights users on 12/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/155:35 pmOPO - LAS
1 stop29h 40mBritish Airways
Sat 1/3112:00 pmLAS - OPO
2 stops23h 15mBritish Airways
Deal found 12/19$782
This Iberia deal was found by Cheapflights users on 12/20. 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.
Thu 1/158:20 amOPO - LAS
2 stops21h 39mIberia
Sat 1/3111:01 amLAS - OPO
2 stops16h 44mIberia
Deal found 12/20$770
This Billigflug deal was found by Cheapflights users on 12/20. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/1512:25 pmOPO - SFO
2 stops20h 22mMultiple Airlines
Wed 1/2810:59 pmSFO - OPO
2 stops24h 41mMultiple Airlines
Deal found 12/20$641
This American Airlines deal was found by Cheapflights users on 12/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/308:20 amOPO - LAX
1 stop16h 15mAmerican Airlines
Tue 2/37:55 amLAX - OPO
2 stops24h 05mAmerican Airlines
Deal found 12/20$764
This American Airlines deal was found by Cheapflights users on 12/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:40 pmOPO - SFO
1 stop27h 30mMultiple Airlines
Mon 5/182:46 pmSFO - OPO
2 stops17h 14mMultiple Airlines
Deal found 12/19$667
This American Airlines deal was found by Cheapflights users on 12/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/158:20 amOPO - LAS
2 stops34h 42mAmerican Airlines
Mon 1/1910:36 amLAS - OPO
2 stops17h 09mAmerican Airlines
Deal found 12/20$769
This American Airlines deal was found by Cheapflights users on 12/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/158:20 amOPO - LAS
2 stops18h 30mAmerican Airlines
Sat 1/318:10 amLAS - OPO
2 stops15h 30mAmerican Airlines
Deal found 12/19$770
This Mytrip deal was found by Cheapflights users on 12/19. 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.
Mon 2/212:35 pmOPO - LAX
2 stops36h 00mMultiple Airlines
Mon 2/92:10 pmLAX - OPO
3 stops34h 00mMultiple Airlines
Deal found 12/19$712
This American Airlines deal was found by Cheapflights users on 12/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/228:20 amOPO - LAS
2 stops33h 04mAmerican Airlines
Mon 1/268:00 amLAS - OPO
2 stops19h 45mAmerican Airlines
Deal found 12/18$771
This British Airways deal was found by Cheapflights users on 12/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/18:20 amOPO - LAX
1 stop16h 15mMultiple Airlines
Sat 2/1410:50 amLAX - OPO
2 stops16h 55mMultiple Airlines
Deal found 12/19$765
This American Airlines deal was found by Cheapflights users on 12/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:20 amOPO - LAS
2 stops34h 24mAmerican Airlines
Wed 5/138:45 amLAS - OPO
2 stops19h 00mAmerican Airlines
Deal found 12/20$787
This British Airways deal was found by Cheapflights users on 12/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/158:20 amOPO - LAS
2 stops19h 45mMultiple Airlines
Sat 1/316:00 amLAS - OPO
2 stops17h 40mMultiple Airlines
Deal found 12/20$770

Find flight deals from Porto to California

Keep the following information in mind while searching for Porto to California flight deals. Data was last updated December 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$562
(Kiwi.com)

One-way from

$356
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$849
Provider with most accurate pricing for Porto-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Porto-Los Angeles flights.
Search Deals
From Porto to California
Search Deals
One-way flight from Porto to California
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Porto to California 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 December 21, 2025.
Use the filters below to find and compare flights from Porto to California that are best for you.

Fly from

Porto

Fly to

California

Route

Depart

Return

Price

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Mon 2/2

6:00 pm-6:05 pm

1 stop32h 05m

Los Angeles

Tue 2/17

7:50 pm-8:10 am

1 stop28h 20m

$573

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Mon 2/2

6:20 pm-6:05 pm

2 stops31h 45m

Los Angeles

Sun 2/15

7:55 pm-7:35 am

1 stop27h 40m

$586

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Mon 2/9

9:55 pm-6:05 pm

1 stop28h 10m

Los Angeles

Sun 2/22

7:55 pm-10:00 pm

2 stops18h 05m

$608

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Tue 2/3

8:45 am-6:05 pm

1 stop17h 20m

Los Angeles

Tue 2/10

7:50 pm-9:15 pm

1 stop17h 25m

$619

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Mon 2/2

6:55 am-2:35 pm

1 stop15h 40m

San Francisco

Mon 2/9

4:35 pm-3:00 pm

1 stop14h 25m

$627

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Thu 1/15

12:25 pm-12:47 am

2 stops20h 22m

San Francisco

Wed 1/28

10:59 pm-7:40 am

2 stops24h 41m

$641

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Tue 4/14

8:20 am-4:10 pm

1 stop15h 50m

San Francisco

Sat 4/25

2:28 pm-4:00 pm

2 stops17h 32m

$656

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Fri 5/15

8:20 am-9:04 pm

2 stops20h 44m

San Francisco

Mon 5/18

2:46 pm-4:00 pm

2 stops17h 14m

$661

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Thu 1/15

8:20 am-10:34 pm

2 stops22h 14m

San Francisco

Wed 1/28

11:36 pm-7:40 am

2 stops24h 04m

$661

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Thu 1/15

8:20 am-10:13 pm

2 stops21h 53m

San Francisco

Wed 1/28

11:48 am-4:45 pm

2 stops20h 57m

$662

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 50 results
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Best time to book a flight from Porto to California

Have a flexible travel schedule? Discover the best time to fly to California from Porto 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 Porto to California

What is the cheapest month to book a flight from Porto to California?

Currently, February is the cheapest month in which you can book a flight from Porto to California (average of $334). Flying from Porto to California in July is currently the most expensive (average of $760). 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.

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. 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 California. Reviews last updated December 21, 2025.
Read reviews from past customers who have flown TAP AIR PORTUGAL and Lufthansa from Porto to California. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
TAP AIR PORTUGAL
7.2
Good
2,092 reviews

Overall

7.2

Boarding

7.0

Food

6.2

Crew

7.8

Comfort

7.1

Entertainment

6.3

Reviews

1 / 20
8.0
Excellent

Michael,Dec 2025

FNC - LIS

Long wait standing after checking in at the gate Limited juice selection.
TAP AIR PORTUGAL
7.2
Good
2,092 reviews
TAP AIR PORTUGAL
7.2
Good
2,092 reviews

Overall

7.2

Boarding

7.0

Food

6.2

Crew

7.8

Comfort

7.1

Entertainment

6.3

Reviews

1 / 20
8.0
Excellent

Michael,Dec 2025

FNC - LIS

Long wait standing after checking in at the gate Limited juice selection.
Lufthansa
6.8
Okay
7,639 reviews
TAP AIR PORTUGAL
7.2
Good
2,092 reviews

Overall

7.2

Boarding

7.0

Food

6.2

Crew

7.8

Comfort

7.1

Entertainment

6.3

Reviews

1 / 20
8.0
Excellent

Michael,Dec 2025

FNC - LIS

Long wait standing after checking in at the gate Limited juice selection.

Related info for your journey

Find useful and relevant information for your journey from Porto to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Porto to California?

    Porto (OPO), located 6.8 mi from the city center, is the airport you fly out of when you book flights from Porto to California.

  • How long is the flight from Porto to California?

    For as low as $627, TAP AIR PORTUGAL can have you in California from Porto in 15h 40m. The distance between Porto and California is about 5566 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $353 is the cheapest one-way deal found within the past few days, from LEVEL. You may also be able to find cheap deals on TAP AIR PORTUGAL and Vueling, with prices starting from $366 and $389, respectively.

  • What are the most popular routes from Porto to California?

    The most popular route from Porto to California is Porto - Los Angeles. You may also consider Porto - Las Vegas Harry Reid Intl or Porto - San Francisco.

  • Can I find deals for flights from Porto to California that include hotel bookings?

    Yes. In addition to deals on Porto to California flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Porto to California?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to California.

  • Can I find deals for business class flights from Porto to California?

    Yes. Cheapflights offers flight deals from Porto to California 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 Porto to California?

    Currently, February is the cheapest month in which you can book a flight from Porto to California (average of $334). Flying from Porto to California in July is currently the most expensive (average of $760). 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 Porto to California

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Porto to California

Discover the top 2 airlines that operate flights from Porto to California. 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 December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$634Average$702FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$670Average$844FlexibilityNo cancel feeOn-time76%

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