How long does it take to fly to Porto?

Flight times from California to Porto vary, but if you’re flying out of Santa Ana and flying into Porto (one of the most popular routes), then the duration is 12h 51m on average. Another popular route from California to Porto is flying from San Francisco to Porto, which will take roughly 14h 25m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from California to Porto?

TAP AIR PORTUGAL, United Airlines, and SWISS are the most popular carriers operating from California to Porto

What airlines fly to Porto?

TAP AIR PORTUGAL, United Airlines and Delta are the top three most popular airlines that fly to Porto from California according to our data. TAP AIR PORTUGAL is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 11 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from California to Porto Airport?

Prices for flights from California to Porto Airport refresh daily.

How many operators does momondo search for flights from California to Porto Airport?

As of October 2026, there are 11 operators available to choose from for flights from California to Porto Airport.

How old do you have to be to fly from California to Porto Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Porto Airport.

What documentation or ID do you need to fly to Porto Airport?

The necessary travel and health documents for your Porto Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$207 Cheap Flights from California to Porto in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from California to Porto

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:10 pm - 12:30 amLAX Los Angeles-OPO Porto

23h 20m1 stop Lisbon Humberto Delgado

7:00 am - 3:15 pmOPO Porto-LAX Los Angeles

16h 15m1 stop Lisbon Humberto Delgado

$552TAP AIR PORTUGAL

Thu, Nov 5 - Thu, Nov 12

5:10 pm - 7:00 pmLAX Los Angeles-OPO Porto

17h 50m1 stop Lisbon Humberto Delgado

4:00 pm - 3:15 pmOPO Porto-LAX Los Angeles

31h 15m1 stop Lisbon Humberto Delgado

$553TAP AIR PORTUGAL

Thu, Nov 5 - Wed, Nov 18

9:20 am - 10:15 amLAX Los Angeles-OPO Porto

16h 55m1 stop Casablanca Mohamed V

11:15 am - 7:20 amOPO Porto-LAX Los Angeles

28h 05m1 stop Casablanca Mohamed V

$558Royal Air Maroc

Fri, Jan 15 - Thu, Jan 21

9:20 am - 10:15 amLAX Los Angeles-OPO Porto

16h 55m1 stop Casablanca Mohamed V

11:15 am - 7:20 amOPO Porto-LAX Los Angeles

28h 05m1 stop Casablanca Mohamed V

$583Royal Air Maroc

Fri, Mar 5 - Sat, Mar 13

7:35 pm - 7:55 amSFO San Francisco-OPO Porto

28h 20m1 stop Zurich

8:40 am - 4:15 pmOPO Porto-SFO San Francisco

15h 35m1 stop Zurich

$691SWISS

Sun, Apr 18 - Wed, Apr 21

7:35 pm - 7:55 amLAX Los Angeles-OPO Porto

28h 20m1 stop Zurich

8:40 am - 4:30 pmOPO Porto-LAX Los Angeles

15h 50m1 stop Zurich

$693SWISS

Sun, Apr 18 - Wed, Apr 21

5:15 pm - 11:25 pmSAN San Diego-OPO Porto

22h 10m1 stop Munich Franz Josef Strauss

6:20 am - 3:25 pmOPO Porto-SAN San Diego

17h 05m1 stop Munich Franz Josef Strauss

$704Lufthansa

Sun, Apr 18 - Tue, Apr 27

8:30 am - 12:05 pmLAX Los Angeles-OPO Porto

20h 35m2 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National

6:00 am - 10:29 pmOPO Porto-LAX Los Angeles

24h 29m2 stops Frankfurt am Main Vancouver Intl

$708Air Canada

Mon, Mar 22 - Fri, Apr 2

8:05 pm - 11:25 pmSFO San Francisco-OPO Porto

19h 20m1 stop Munich Franz Josef Strauss

11:05 am - 6:15 pmOPO Porto-SFO San Francisco

15h 10m1 stop Munich Franz Josef Strauss

$714Lufthansa

Tue, Apr 13 - Tue, Apr 20

8:30 am - 11:15 amLAX Los Angeles-OPO Porto

42h 45m2 stops Montreal Pierre Elliott Trudeau Intl Zurich

6:00 am - 10:31 pmOPO Porto-LAX Los Angeles

24h 31m2 stops Frankfurt am Main Vancouver Intl

$718Air Canada

Sat, Jan 23 - Thu, Jan 28

Cheap last minute flights

Enter your travel dates to find the best prices.

5:35 pm - 10:00 pmSFO San Francisco-OPO Porto

21h 25m1 stop Lisbon Humberto Delgado

7:00 am - 4:05 pmOPO Porto-SFO San Francisco

17h 05m1 stop Lisbon Humberto Delgado

$786TAP AIR PORTUGAL

Sat, Oct 31 - Fri, Nov 6

12:05 pm - 9:30 amSFO San Francisco-OPO Porto

13h 25m1 stop Newark

6:00 am - 8:10 pmOPO Porto-SFO San Francisco

22h 10m1 stop Frankfurt am Main

$829United Airlines

Mon, Nov 2 - Thu, Nov 12

7:00 am - 9:30 amSFO San Francisco-OPO Porto

18h 30m1 stop Newark

12:35 pm - 8:10 pmOPO Porto-SFO San Francisco

15h 35m1 stop Frankfurt am Main

$829United Airlines

Mon, Nov 2 - Fri, Nov 13

3:10 pm - 10:00 pmSFO San Francisco-OPO Porto

22h 50m1 stop Paris Charles de Gaulle

5:00 am - 11:45 amOPO Porto-SFO San Francisco

14h 45m1 stop Amsterdam Schiphol

$830Delta

Mon, Nov 2 - Wed, Nov 11

3:10 pm - 10:00 pmSFO San Francisco-OPO Porto

22h 50m1 stop Paris Charles de Gaulle

11:15 am - 11:45 amOPO Porto-SFO San Francisco

32h 30m1 stop Amsterdam Schiphol

$830Delta

Mon, Nov 2 - Tue, Nov 10

5:35 pm - 3:00 pmSFO San Francisco-OPO Porto

14h 25m1 stop Lisbon Humberto Delgado

8:00 pm - 2:45 pmOPO Porto-SFO San Francisco

26h 45m1 stop Lisbon Humberto Delgado

$857TAP AIR PORTUGAL

Sat, Oct 31 - Fri, Nov 6

7:20 am - 8:15 amSAN San Diego-OPO Porto

16h 55m1 stop New York John F Kennedy Intl

5:00 am - 6:05 pmOPO Porto-SAN San Diego

21h 05m2 stops Amsterdam Schiphol Salt Lake City

$881KLM

Sun, Nov 1 - Mon, Dec 14

7:20 am - 8:15 amSAN San Diego-OPO Porto

16h 55m1 stop New York John F Kennedy Intl

5:00 am - 3:31 pmOPO Porto-SAN San Diego

18h 31m2 stops Amsterdam Schiphol Los Angeles

$881KLM

Sun, Nov 1 - Sun, Dec 13

7:20 am - 8:15 amSAN San Diego-OPO Porto

16h 55m1 stop New York John F Kennedy Intl

5:00 am - 6:23 pmOPO Porto-SAN San Diego

21h 23m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$881Multiple Airlines

Sun, Nov 1 - Sun, Dec 13

6:25 am - 10:35 amSAN San Diego-OPO Porto

20h 10m2 stops Minneapolis St Paul Paris Charles de Gaulle

5:00 am - 4:16 pmOPO Porto-SAN San Diego

19h 16m2 stops Amsterdam Schiphol Salt Lake City

$884Multiple Airlines

Mon, Nov 2 - Sun, Dec 13

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TAP AIR PORTUGAL flights from California to Porto

Our best TAP AIR PORTUGAL deals on California to Porto flight tickets

TAP AIR PORTUGAL

Nov 5

LAX5:10 pmLos Angeles

23h 20m

1 stop

OPO12:30 amPorto

Nov 12

OPO7:00 amPorto

16h 15m

1 stop

LAX3:15 pmLos Angeles

$552

TAP AIR PORTUGAL

Nov 5

LAX5:10 pmLos Angeles

17h 50m

1 stop

OPO7:00 pmPorto

Nov 18

OPO4:00 pmPorto

31h 15m

1 stop

LAX3:15 pmLos Angeles

$553

TAP AIR PORTUGAL

Nov 12

LAX5:10 pmLos Angeles

20h 50m

1 stop

OPO10:00 pmPorto

Nov 18

OPO8:00 pmPorto

27h 15m

1 stop

LAX3:15 pmLos Angeles

$554

Royal Air Maroc flights from California to Porto

Our best Royal Air Maroc deals on California to Porto flight tickets

Royal Air Maroc

Jan 15

LAX9:20 amLos Angeles

16h 55m

1 stop

OPO10:15 amPorto

Jan 21

OPO11:15 amPorto

28h 05m

1 stop

LAX7:20 amLos Angeles

$558

Royal Air Maroc

Mar 5

LAX9:20 amLos Angeles

16h 55m

1 stop

OPO10:15 amPorto

Mar 13

OPO11:15 amPorto

28h 05m

1 stop

LAX7:20 amLos Angeles

$583

Royal Air Maroc

Nov 6

LAX9:20 amLos Angeles

16h 55m

1 stop

OPO10:15 amPorto

Nov 21

OPO11:15 amPorto

28h 05m

1 stop

LAX7:20 amLos Angeles

$606

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesPorto

LAX Los Angeles - OPO Porto

LAXOPO

Los Angeles

Thu 11/5

5:10 pm-12:30 am

1 stop23h 20m

Porto

Thu 11/12

7:00 am-3:15 pm

1 stop16h 15m

$552

Los AngelesPorto

LAX Los Angeles - OPO Porto

LAXOPO

Los Angeles

Thu 11/5

5:10 pm-7:00 pm

1 stop17h 50m

Porto

Wed 11/18

4:00 pm-3:15 pm

1 stop31h 15m

$553

Los AngelesPorto

LAX Los Angeles - OPO Porto

LAXOPO

Los Angeles

Fri 1/15

9:20 am-10:15 am

1 stop16h 55m

Porto

Thu 1/21

11:15 am-7:20 am

1 stop28h 05m

$558

Los AngelesPorto

LAX Los Angeles - OPO Porto

LAXOPO

Los Angeles

Fri 3/5

9:20 am-10:15 am

1 stop16h 55m

Porto

Sat 3/13

11:15 am-7:20 am

1 stop28h 05m

$583

San FranciscoPorto

SFO San Francisco - OPO Porto

SFOOPO

San Francisco

Sun 4/18

7:35 pm-7:55 am

1 stop28h 20m

Porto

Wed 4/21

8:40 am-4:15 pm

1 stop15h 35m

$691

Los AngelesPorto

LAX Los Angeles - OPO Porto

LAXOPO

Los Angeles

Sun 4/18

7:35 pm-7:55 am

1 stop28h 20m

Porto

Wed 4/21

8:40 am-4:30 pm

1 stop15h 50m

$693

San DiegoPorto

SAN San Diego - OPO Porto

SANOPO

San Diego

Sun 4/18

5:15 pm-11:25 pm

1 stop22h 10m

Porto

Tue 4/27

6:20 am-3:25 pm

1 stop17h 05m

$704

Los AngelesPorto

LAX Los Angeles - OPO Porto

LAXOPO

Los Angeles

Mon 3/22

8:30 am-12:05 pm

2 stops20h 35m

Porto

Fri 4/2

6:00 am-10:29 pm

2 stops24h 29m

$708

Quickest round-trip

San FranciscoPorto

SFO San Francisco - OPO Porto

SFOOPO

San Francisco

Tue 4/13

8:05 pm-11:25 pm

1 stop19h 20m

Porto

Tue 4/20

11:05 am-6:15 pm

1 stop15h 10m

$714

Los AngelesPorto

LAX Los Angeles - OPO Porto

LAXOPO

Los Angeles

Sat 1/23

8:30 am-11:15 am

2 stops42h 45m

Porto

Thu 1/28

6:00 am-10:31 pm

2 stops24h 31m

$718

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from California to Porto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Porto?

The month of February is, on average, the cheapest month to fly to Porto from California, with most prices found around $645. If you aren’t able to travel during the month of February, then book flights to Porto from California during April instead. Flights to Porto in April, while not as cheap as those in February, still average around $717.

How far in advance should I book a flight from California to Porto?

You are more likely to see cheaper flights to Porto from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $873 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from California for as low as $804 on momondo.

Can stopping save me money on California to Porto flights?

You could potentially save up to 2% on your flight if you consider stops on a California to Porto flight.

Cheap California to Porto flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Porto

Best Price Found	$207
Fastest flight time	12h 51m
Direct flights	None

The best one-way flight to Porto from California in the past 72 hours is $207. The best round-trip flight deal from California to Porto found on momondo in the last 72 hours is $552.

The fastest flight from California to Porto takes 12h 51m

There are no direct flights from California to Porto. There are no popular flight routes from California to Porto.

Search flight deals

Frequently asked questions about flying from California to Porto

When did momondo last update prices for flights from California to Porto Airport?
Prices for flights from California to Porto Airport refresh daily.
How many operators does momondo search for flights from California to Porto Airport?
As of October 2026, there are 11 operators available to choose from for flights from California to Porto Airport.
How old do you have to be to fly from California to Porto Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The necessary travel and health documents for your Porto Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from California to Porto

Compare and see reviews for airlines that fly from California to Porto with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $151	Free Cancellation	Rating 7.8 1,597 reviews	Search KLM flights
TAP AIR PORTUGAL	PriceFrom $431	Free Cancellation	Rating 7.2 2,386 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $460	Free Cancellation	Rating 7.4 2,027 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $508	Free Cancellation	Rating 7.3 10,441 reviews	Search United Airlines flights
Delta	PriceFrom $533	Free Cancellation	Rating 7.8 8,681 reviews	Search Delta flights
Lufthansa	PriceFrom $544	Free Cancellation	Rating 6.8 8,294 reviews	Search Lufthansa flights
SWISS	PriceFrom $623	Free Cancellation	Rating 7.5 2,114 reviews	Search SWISS flights
Turkish Airlines	PriceFrom $654	Free Cancellation	Rating 7.4 4,458 reviews	Search Turkish Airlines flights
Iberia	PriceFrom $681	Free Cancellation	Rating 7.0 3,244 reviews	Search Iberia flights
Air Canada	PriceFrom $830	Free Cancellation	Rating 7.1 11,819 reviews	Search Air Canada flights

Braga

Coimbra

Vila Nova de Gaia

Aveiro

Pinhao

Matosinhos

Esposende

Chaves

Viseu

Espinho

Arcos de Valdevez

Guimarães

Lamego

Caminha

Penafiel

Ponte de Lima

Mira

Why use momondo?

Why should I use momondo to find a flight deal from California to Porto?

It is quick and easy to find California to Porto flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Porto that suits you.

Can I find flights from California to Porto with flexible booking policies on momondo?

momondo does allow users to show only those flights to Porto from California which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from California to Porto?

momondo helps you find the best flight between California and Porto by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from California to Porto right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Porto from California. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Porto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Azores Airport

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Cheap flights from California to Porto from $207

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Porto departing on 11/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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TAP AIR PORTUGAL flights from California to Porto

Our best TAP AIR PORTUGAL deals on California to Porto flight tickets

Royal Air Maroc flights from California to Porto

Our best Royal Air Maroc deals on California to Porto flight tickets

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How to get the cheapest flight ticket from California to Porto

What is the cheapest month to fly to Porto?

How far in advance should I book a flight from California to Porto?

Can stopping save me money on California to Porto flights?

What is the cheapest airline that flies from California to Porto?

What airlines fly to Porto?

How long does it take to fly to Porto?

Cheap California to Porto flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from California to Porto

Best airlines flying from California to Porto

Compare and see reviews for airlines that fly from California to Porto with momondo

Traveling to a place near Porto?

Why use momondo?

An easier way to manage your Porto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Airports servicing Portugal

Fly your favorite airline to Porto

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Porto

List of cabin classes available on flights landing in Porto. Availability may vary depending on flight origin and airline.

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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