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$261+ Cheap flights from California to Porto (OPO)

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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — OPO
Jan 5 — Jan 121
Sun 1/5
Sun 1/12
1 adult, Economy
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Cheap flight deals from California to Porto

Discover tips and strategies to find the most affordable flight options for your journey from California (USCA) to Porto (OPO). 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 31, 2024.

Round-trip from

$574
(Mytrip)

One-way from

$261
(Kiwi.com)
From California to Porto
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One-way flight from California to Porto
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Find flight deals from California to Porto

Cheapest flights from California to Porto
Explore the most affordable flight options available from California to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 31, 2024.

This Kiwi.com deal was found by Cheapflights users on 12/30. 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.
Mon 12/307:55 pmSFO - OPO
1 stop28h 10mMultiple Airlines
Wed 2/266:30 amOPO - SFO
1 stop21h 40mMultiple Airlines
Deal found 12/30$755
This TAP AIR PORTUGAL deal was found by Cheapflights users on 12/30. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/304:40 pmSFO - OPO
1 stop14h 20mTAP AIR PORTUGAL
Tue 2/2510:30 pmOPO - SFO
1 stop24h 10mTAP AIR PORTUGAL
Deal found 12/30$1,152
This Turkish Airlines deal was found by Cheapflights users on 12/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:50 pmSFO - OPO
1 stop31h 10mTurkish Airlines
Mon 2/244:25 pmOPO - SFO
1 stop26h 40mTurkish Airlines
Deal found 12/30$1,157
This Iberia deal was found by Cheapflights users on 12/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/297:30 pmLAX - OPO
1 stop17h 50mIberia
Sun 1/128:35 amOPO - LAX
1 stop17h 10mIberia
Deal found 12/29$1,464
This FlightHub deal was found by Cheapflights users on 12/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/291:15 pmLAX - OPO
1 stop14h 40mTAP AIR PORTUGAL
Sun 1/126:00 pmOPO - LAX
2 stops59h 55mTAP AIR PORTUGAL
Deal found 12/29$1,548
This Kiwi.com deal was found by Cheapflights users on 12/30. 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.
Tue 12/318:50 pmLAX - OPO
1 stop17h 50mMultiple Airlines
Tue 1/77:40 pmOPO - LAX
2 stops34h 02mMultiple Airlines
Deal found 12/30$1,613
This Air Canada deal was found by Cheapflights users on 12/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3111:22 pmSFO - OPO
2 stops35h 18mAir Canada
Fri 2/286:00 amOPO - SFO
2 stops23h 00mAir Canada
Deal found 12/30$1,887
This British Airways deal was found by Cheapflights users on 12/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/3011:49 pmSFO - OPO
2 stops33h 51mBritish Airways
Fri 2/288:20 amOPO - SFO
2 stops20h 40mBritish Airways
Deal found 12/30$1,889
This United deal was found by Cheapflights users on 12/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2812:20 amLAX - OPO
2 stops27h 15mUnited Airlines
Sun 1/126:00 amOPO - LAX
2 stops23h 36mUnited Airlines
Deal found 12/29$1,953
This KLM deal was found by Cheapflights users on 12/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/311:50 pmSFO - OPO
1 stop36h 40mKLM
Tue 1/77:30 pmOPO - SFO
1 stop24h 20mKLM
Deal found 12/30$2,028
This Cheapflightsfares deal was found by Cheapflights users on 12/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/301:00 pmLAX - OPO
1 stop37h 00mTurkish Airlines
Thu 1/211:00 amOPO - LAX
1 stop38h 00mTurkish Airlines
Deal found 12/29$2,402
This United Airlines deal was found by Cheapflights users on 12/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3112:30 amSFO - OPO
2 stops30h 45mUnited Airlines
Fri 1/36:00 amOPO - SFO
2 stops46h 07mUnited Airlines
Deal found 12/30$3,013

Find flights from California to Porto within your budget

Customize your flight search to find flights from California to Porto 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 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Tue 2/18

8:50 pm-9:20 pm

1 stop16h 30m

Porto

Tue 2/25

8:35 am-7:05 pm

1 stop18h 30m

$574

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Tue 2/4

10:54 am-11:20 am

2 stops40h 26m

Porto

Fri 2/28

6:00 am-8:10 pm

1 stop22h 10m

$604

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Tue 2/18

8:50 pm-9:20 pm

1 stop16h 30m

Porto

Tue 2/25

6:55 am-7:05 pm

2 stops20h 10m

$658

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Tue 2/25

8:50 pm-9:20 pm

1 stop16h 30m

Porto

Tue 3/4

8:35 am-7:05 pm

1 stop18h 30m

$662

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Wed 2/19

4:35 pm-3:05 pm

1 stop14h 30m

Porto

Tue 2/25

10:30 pm-2:40 pm

1 stop24h 10m

$667

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Wed 3/5

10:00 am-11:35 pm

2 stops29h 35m

Porto

Fri 3/14

6:05 am-11:59 pm

2 stops24h 54m

$714

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Tue 1/28

8:20 am-11:40 am

2 stops19h 20m

Porto

Tue 2/4

6:00 am-9:55 pm

2 stops23h 55m

$716

San JosePorto

SJC - OPO

SJCOPO

San Jose

Sun 2/2

3:35 pm-10:00 am

3 stops34h 25m

Porto

Sun 2/9

2:50 pm-2:40 pm

3 stops31h 50m

$734

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Tue 3/4

7:30 pm-3:15 pm

2 stops35h 45m

Porto

Thu 3/13

6:00 am-12:03 pm

2 stops37h 03m

$735

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Tue 3/4

3:05 pm-3:15 pm

1 stop16h 10m

Porto

Tue 3/18

6:00 am-6:32 pm

2 stops43h 32m

$735

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/30

Showing 1-10 of 60 results
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Best time to book a flight from California to Porto

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

Travel insights for flights from California to Porto

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

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

Currently, January is the cheapest month in which you can book a flight from California to Porto (average of $523). Flying from California to Porto in June is currently the most expensive (average of $1,081). 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 OPO?

Find hourly flight availability from California to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 31, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to Porto as you normally would.

Rainfall in Porto by month

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

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

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

If weather is an important factor for your trip to Porto, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated December 31, 2024.
To help decide which airline to fly from California to Porto, see what other customers have to say about TAP AIR PORTUGAL, Air Canada and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,540 reviews

Crew

8.6

Food

7.3

Overall

8.0

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,540 reviews
Delta
8.0
Very good
8,540 reviews

Crew

8.6

Food

7.3

Overall

8.0

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,339 reviews
Delta
8.0
Very good
8,540 reviews

Crew

8.6

Food

7.3

Overall

8.0

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat
7.8
Good
388 reviews
Delta
8.0
Very good
8,540 reviews

Crew

8.6

Food

7.3

Overall

8.0

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.5
Good
1,595 reviews
Delta
8.0
Very good
8,540 reviews

Crew

8.6

Food

7.3

Overall

8.0

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,494 reviews
Delta
8.0
Very good
8,540 reviews

Crew

8.6

Food

7.3

Overall

8.0

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

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 Porto. 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 into for flights to Porto from California?

    Located just 6.8 mi from the city center, Porto (OPO) is the airport most travelers will use when flying to Porto from California.

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

    The cheapest airlines for a one-way flight from California to Porto are Iberia ($313), TAP AIR PORTUGAL ($383), and United Airlines ($559).

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

    The most popular route from California to Porto is Los Angeles - Porto. You may also consider San Francisco - Porto or Ontario - Porto.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from California to Porto (average of $523). Flying from California to Porto in June is currently the most expensive (average of $1,081). 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 Porto

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 Porto

Discover the top 10 airlines that operate flights from California to Porto. 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 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$376Average$869FlexibilityNo cancel feeOn-timeN/A
LEVELCheapest$435Average$587FlexibilityNo cancel feeOn-timeN/A
VuelingCheapest$510Average$991FlexibilityNo cancel feeOn-time88%
IberiaCheapest$516Average$1,031FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$547Average$1,103FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$550Average$917FlexibilityNo cancel feeOn-time70%
DeltaCheapest$559Average$1,071FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$617Average$867FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$666Average$1,027FlexibilityNo cancel feeOn-time67%
SWISSCheapest$674Average$1,052FlexibilityNo cancel feeOn-time79%
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