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$383+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LAX
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Porto to California

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to California (USCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.

Round-trip from

$507
(lol.travel)

One-way from

$383
(Iberia)
From Porto to California
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One-way flight from Porto to California
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Find flight deals from Porto to California

Cheapest flights from Porto to California
Explore the most affordable flight options available from Porto to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

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 12/1912:25 pmOPO - LAX
1 stop35h 55mMultiple Airlines
Thu 1/163:40 pmLAX - OPO
1 stop17h 35mMultiple Airlines
Deal found 12/18$872
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 12/1912:25 pmOPO - LAX
1 stop35h 55mAmerican Airlines
Thu 1/166:01 amLAX - OPO
2 stops17h 39mAmerican Airlines
Deal found 12/18$888
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1912:25 pmOPO - LAX
2 stops34h 20mBritish Airways
Thu 1/161:28 pmLAX - OPO
2 stops19h 47mBritish Airways
Deal found 12/18$898
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1912:30 pmOPO - LAX
2 stops40h 05mUnited Airlines
Thu 1/166:45 pmLAX - OPO
3 stops32h 55mUnited Airlines
Deal found 12/18$955

Find flights from Porto to California within your budget

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 18, 2024.

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Price

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Thu 1/23

8:50 am-9:28 pm

1 stop20h 38m

Las Vegas Harry Reid Intl

Fri 2/7

10:35 pm-7:05 am

1 stop24h 30m

$507

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Fri 1/31

5:30 pm-2:55 pm

2 stops29h 25m

San Francisco

Fri 2/7

7:15 pm-11:10 pm

2 stops19h 55m

$566

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Mon 2/3

9:55 pm-7:05 pm

1 stop29h 10m

Los Angeles

Tue 2/18

8:50 pm-9:20 pm

1 stop16h 30m

$624

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Fri 1/31

6:55 am-3:55 pm

1 stop17h 00m

San Francisco

Fri 2/7

7:15 pm-5:00 pm

1 stop13h 45m

$665

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Thu 1/16

12:05 pm-4:25 pm

1 stop36h 20m

San Francisco

Sat 2/1

7:25 pm-11:10 am

1 stop31h 45m

$666

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Thu 1/23

8:50 am-9:28 pm

1 stop20h 38m

Las Vegas Harry Reid Intl

Fri 2/7

8:10 am-11:10 pm

2 stops31h 00m

$668

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Fri 4/4

12:10 pm-3:31 pm

2 stops35h 21m

San Francisco

Mon 4/14

2:40 pm-3:45 pm

1 stop17h 05m

$669

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Thu 1/16

6:00 am-9:42 pm

2 stops23h 42m

San Francisco

Sat 2/1

8:30 am-11:40 am

2 stops19h 10m

$672

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Thu 1/16

12:25 pm-12:22 am

2 stops19h 57m

San Francisco

Sat 2/1

5:30 pm-7:15 pm

1 stop17h 45m

$673

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Mon 1/20

6:20 am-11:50 am

1 stop37h 30m

San Francisco

Sun 1/26

9:21 am-10:55 am

2 stops17h 34m

$677

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 41 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.

Travel insights for flights from Porto to California

Get recent, data-driven insights about flights from Porto to California including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Porto to California (average of $240). Flying from Porto to California in July is currently the most expensive (average of $322). 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 OPO to CA?

Find hourly flight availability from Porto to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

When flying from Porto to California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in California by month

Plan your trip to California by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in California ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit California when rainfall is around 0.0 in.

Temperature in California by month

Plan your trip to California by taking into account the average temperature totals by month.

If weather is an important factor for your trip to California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 18, 2024.
Read reviews from past customers who have flown Delta, Air Transat and Air Canada from Porto to California. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Transat
7.8
Good
389 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.6
Good
1,606 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France
7.4
Good
1,504 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    $383 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on Vueling and TAP AIR PORTUGAL, with prices starting from $425 and $619, respectively.

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

    The most popular route from Porto to California is Porto - Las Vegas Harry Reid Intl. You may also consider Porto - Los Angeles 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, September is the cheapest month in which you can book a flight from Porto to California (average of $240). Flying from Porto to California in July is currently the most expensive (average of $322). 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 3 airlines flying from Porto to California

Discover the top 3 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 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$634Average$758FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$665Average$898FlexibilityNo cancel feeOn-time76%
KLMCheapest$762Average$1,031FlexibilityNo cancel feeOn-time75%
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