What airlines fly to Porto?

United Airlines, TAP AIR PORTUGAL and Lufthansa are the top three most popular airlines that fly to Porto from California according to our data. United Airlines 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 10 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

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

United Airlines, Air Canada, and Delta are the most popular carriers operating from California to Porto

How long does it take to fly to Porto?

Flight times from California to Porto vary, but if you’re flying out of Los Angeles and flying into Porto (one of the most popular routes), then the duration is 14h 35m on average. Another popular route from California to Porto is flying from San Francisco to Porto, which will take roughly 14h 50m. Keep in mind that layovers or delays could extend your travel time.

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 May 2026, there are 10 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.

$345 Cheap Flights from California to Porto in 2026

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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.

4:40 pm - 2:30 pm

LAX

OPO

13h 50m

1 stop

4:00 pm - 4:15 pm

OPO

LAX

31h 15m

1 stop

$704TAP AIR PORTUGAL

Fri, Oct 16 - Mon, Oct 26

4:45 pm - 7:00 pm

LAX

OPO

18h 15m

1 stop

7:00 am - 2:35 pm

OPO

LAX

15h 35m

1 stop

$706TAP AIR PORTUGAL

Tue, Oct 13 - Fri, Oct 23

7:30 pm - 11:05 am

LAX

OPO

31h 35m

1 stop

11:55 am - 5:00 pm

OPO

LAX

37h 05m

1 stop

$714Scandinavian Airlines

Mon, Nov 2 - Wed, Dec 2

10:45 am - 9:05 am

LAX

OPO

14h 20m

1 stop

11:15 am - 11:45 am

OPO

LAX

32h 30m

1 stop

$734Delta

Sun, Nov 1 - Thu, Dec 3

7:30 pm - 10:30 am

LAX

OPO

31h 00m

2 stops

11:55 am - 5:00 pm

OPO

LAX

37h 05m

1 stop

$737Scandinavian Airlines

Sun, Nov 8 - Wed, Nov 18

6:20 pm - 9:30 am

SMF

OPO

32h 10m

2 stops

12:30 pm - 11:28 pm

OPO

SMF

18h 58m

2 stops

$751United Airlines

Sat, Oct 31 - Thu, Nov 12

11:00 pm - 9:30 am

SMF

OPO

27h 30m

1 stop

6:00 am - 10:35 pm

OPO

SMF

24h 35m

2 stops

$752United Airlines

Sat, Oct 31 - Fri, Nov 13

10:40 pm - 9:05 am

SMF

OPO

51h 25m

2 stops

5:00 am - 4:02 pm

OPO

SMF

19h 02m

2 stops

$763Delta

Fri, Oct 30 - Tue, Nov 10

6:45 pm - 3:40 pm

SFO

OPO

36h 55m

1 stop

10:45 am - 10:50 am

OPO

SFO

32h 05m

1 stop

$771Turkish Airlines

Tue, Sep 8 - Wed, Sep 16

12:55 pm - 3:40 pm

SFO

OPO

18h 45m

1 stop

10:45 am - 10:50 am

OPO

SFO

32h 05m

1 stop

$772Turkish Airlines

Tue, Sep 8 - Wed, Sep 16

Scandinavian Airlines flights from California to Porto

Our best Scandinavian Airlines deals on California to Porto flight tickets

Scandinavian Airlines

Nov 2

LAX7:30 pmLos Angeles

31h 35m

1 stop

OPO11:05 amPorto

Dec 2

OPO11:55 amPorto

37h 05m

1 stop

LAX5:00 pmLos Angeles

$714

Scandinavian Airlines

Nov 8

LAX7:30 pmLos Angeles

31h 00m

2 stops

OPO10:30 amPorto

Nov 18

OPO11:55 amPorto

37h 05m

1 stop

LAX5:00 pmLos Angeles

$737

Scandinavian Airlines

Oct 19

SFO4:45 pmSan Francisco

34h 15m

1 stop

OPO11:00 amPorto

Nov 16

OPO11:55 amPorto

34h 55m

1 stop

SFO2:50 pmSan Francisco

$739

TAP AIR PORTUGAL flights from California to Porto

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

TAP AIR PORTUGAL

Oct 16

LAX4:40 pmLos Angeles

13h 50m

1 stop

OPO2:30 pmPorto

Oct 26

OPO4:00 pmPorto

31h 15m

1 stop

LAX4:15 pmLos Angeles

$704

TAP AIR PORTUGAL

Oct 13

LAX4:45 pmLos Angeles

18h 15m

1 stop

OPO7:00 pmPorto

Oct 23

OPO7:00 amPorto

15h 35m

1 stop

LAX2:35 pmLos Angeles

$706

TAP AIR PORTUGAL

Oct 13

LAX4:45 pmLos Angeles

18h 15m

1 stop

OPO7:00 pmPorto

Oct 27

OPO7:00 amPorto

16h 15m

1 stop

LAX4:15 pmLos Angeles

$707

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Fri 10/16

4:40 pm-2:30 pm

1 stop13h 50m

Porto

Mon 10/26

4:00 pm-4:15 pm

1 stop31h 15m

$704

Quickest round-trip

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Tue 10/13

4:45 pm-7:00 pm

1 stop18h 15m

Porto

Fri 10/23

7:00 am-2:35 pm

1 stop15h 35m

$706

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Mon 11/2

7:30 pm-11:05 am

1 stop31h 35m

Porto

Wed 12/2

11:55 am-5:00 pm

1 stop37h 05m

$714

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Sun 11/1

10:45 am-9:05 am

1 stop14h 20m

Porto

Thu 12/3

11:15 am-11:45 am

1 stop32h 30m

$734

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Sun 11/8

7:30 pm-10:30 am

2 stops31h 00m

Porto

Wed 11/18

11:55 am-5:00 pm

1 stop37h 05m

$737

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Sat 10/31

6:20 pm-9:30 am

2 stops32h 10m

Porto

Thu 11/12

12:30 pm-11:28 pm

2 stops18h 58m

$751

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Sat 10/31

11:00 pm-9:30 am

1 stop27h 30m

Porto

Fri 11/13

6:00 am-10:35 pm

2 stops24h 35m

$752

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Fri 10/30

10:40 pm-9:05 am

2 stops51h 25m

Porto

Tue 11/10

5:00 am-4:02 pm

2 stops19h 02m

$763

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Tue 9/8

6:45 pm-3:40 pm

1 stop36h 55m

Porto

Wed 9/16

10:45 am-10:50 am

1 stop32h 05m

$771

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Tue 9/8

12:55 pm-3:40 pm

1 stop18h 45m

Porto

Wed 9/16

10:45 am-10:50 am

1 stop32h 05m

$772

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 January is, on average, the cheapest month to fly to Porto from California, with most prices found around $251. If you aren’t able to travel during the month of January, then book flights to Porto from California during May instead. Flights to Porto in May, while not as cheap as those in January, still average around $263.

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 $853 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 $724 on momondo.

Can stopping save me money on California to Porto flights?

You could potentially save up to 5% 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

Fastest flight time	13h 07m
Direct flights	None

The fastest flight from California to Porto takes 13h 07m

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 May 2026, there are 10 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 $366	Free Cancellation	Rating 7.8 1,517 reviews	Search KLM flights
TAP AIR PORTUGAL	PriceFrom $431	Free Cancellation	Rating 7.2 2,250 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $480	Free Cancellation	Rating 7.4 1,775 reviews	Search Scandinavian Airlines flights
Delta	PriceFrom $489	Free Cancellation	Rating 7.9 8,448 reviews	Search Delta flights
Iberia	PriceFrom $545	Free Cancellation	Rating 7.0 3,215 reviews	Search Iberia flights
American Airlines	PriceFrom $546	Free Cancellation	Rating 7.1 11,665 reviews	Search American Airlines flights
Lufthansa	PriceFrom $550	Free Cancellation	Rating 6.8 7,993 reviews	Search Lufthansa flights
United Airlines	PriceFrom $593	Free Cancellation	Rating 7.4 9,704 reviews	Search United Airlines flights
SWISS	PriceFrom $596	Free Cancellation	Rating 7.6 1,943 reviews	Search SWISS flights
Air Canada	PriceFrom $765	Free Cancellation	Rating 7.1 11,024 reviews	Search Air Canada flights

Vila Nova de Gaia

Coimbra

Braga

Aveiro

Matosinhos

Lamego

Esposende

Chaves

Pinhao

Espinho

Guimarães

Arcos de Valdevez

Viseu

Ponte de Lima

Curia

Penafiel

Mesao Frio

Mira

Baiao

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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Algarve Airport

Cheap flights from California to Porto from $345

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 10/19. 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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Scandinavian Airlines flights from California to Porto

Our best Scandinavian Airlines deals on California to Porto flight tickets

TAP AIR PORTUGAL flights from California to Porto

Our best TAP AIR PORTUGAL 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

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

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.

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

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