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

British Airways, Iberia, and Air Transat are the most popular carriers operating from Porto to California

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

Prices for flights from Porto Airport to California are refreshed on a daily basis.

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

The number of operators available for flights from Porto Airport to California is 2 as of May 2026.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Porto Airport to California.

What documentation or ID do you need to fly to California?

The travel and health documents you'll need for your trip to California may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at California. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$402 Cheap Flights from Porto to California in 2026

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Find the cheapest flights from Porto to California

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:55 pm - 6:10 pm

OPO

LAX

28h 15m

1 stop

7:55 pm - 9:15 pm

LAX

OPO

17h 20m

1 stop

$690Iberia

Sa, Nov 7 - So, Nov 22

8:35 am - 7:10 pm

OPO

LAX

18h 35m

1 stop

8:50 pm - 8:00 am

LAX

OPO

27h 10m

1 stop

$749LEVEL

Sa, Mai 23 - Mo, Jun 8

5:45 pm - 6:00 pm

OPO

LAX

31h 15m

1 stop

7:30 pm - 4:55 pm

LAX

OPO

37h 25m

1 stop

$780Scandinavian Airlines

Fr, Okt 30 - Mi, Nov 11

11:25 am - 11:45 am

OPO

SFO

32h 20m

1 stop

8:25 pm - 10:00 pm

SFO

OPO

17h 35m

1 stop

$802KLM

Mo, Mai 25 - So, Mai 31

5:00 am - 11:45 am

OPO

SFO

14h 45m

1 stop

10:35 am - 3:30 pm

SFO

OPO

20h 55m

2 stops

$806Delta

Mo, Jun 8 - Mo, Jun 15

11:25 am - 12:33 am

OPO

SFO

21h 08m

2 stops

10:35 am - 3:30 pm

SFO

OPO

20h 55m

2 stops

$812Delta

Mo, Jun 8 - Mo, Jun 15

12:45 pm - 12:39 am

OPO

SFO

19h 54m

1 stop

11:57 pm - 10:30 am

SFO

OPO

26h 33m

1 stop

$813Multiple Airlines

Fr, Mai 29 - So, Jun 14

5:50 pm - 6:00 pm

OPO

LAX

31h 10m

1 stop

7:30 pm - 11:05 am

LAX

OPO

31h 35m

1 stop

$820Scandinavian Airlines

Do, Okt 29 - Sa, Nov 7

4:20 pm - 11:45 am

OPO

SFO

27h 25m

1 stop

1:45 pm - 10:15 pm

SFO

OPO

24h 30m

1 stop

$830KLM

Mi, Sep 23 - Mi, Okt 7

7:00 am - 2:35 pm

OPO

LAX

15h 35m

1 stop

4:40 pm - 11:00 pm

LAX

OPO

22h 20m

1 stop

$883TAP AIR PORTUGAL

Fr, Sep 11 - So, Sep 27

LEVEL flights from Porto to California

Our best LEVEL deals on Porto to California flight tickets

LEVEL

May 22

OPO10:00 pmPorto

29h 10m

1 stop

LAX7:10 pmLos Angeles

Jun 5

LAX8:50 pmLos Angeles

16h 30m

1 stop

OPO9:20 pmPorto

$713

LEVEL

May 22

OPO10:00 pmPorto

29h 10m

1 stop

LAX7:10 pmLos Angeles

Jun 5

LAX8:50 pmLos Angeles

16h 30m

1 stop

OPO9:20 pmPorto

$714

LEVEL

May 15

OPO8:35 amPorto

17h 35m

1 stop

LAX6:10 pmLos Angeles

May 30

LAX8:55 pmLos Angeles

32h 20m

1 stop

OPO1:15 pmPorto

$724

Scandinavian Airlines flights from Porto to California

Our best Scandinavian Airlines deals on Porto to California flight tickets

Scandinavian Airlines

Oct 30

OPO5:45 pmPorto

31h 15m

1 stop

LAX6:00 pmLos Angeles

Nov 11

LAX7:30 pmLos Angeles

37h 25m

1 stop

OPO4:55 pmPorto

$780

Scandinavian Airlines

Oct 29

OPO5:50 pmPorto

31h 10m

1 stop

LAX6:00 pmLos Angeles

Nov 7

LAX7:30 pmLos Angeles

31h 35m

1 stop

OPO11:05 amPorto

$820

Scandinavian Airlines

Oct 30

OPO5:45 pmPorto

37h 03m

2 stops

LAX11:48 pmLos Angeles

Nov 11

LAX10:25 amLos Angeles

22h 35m

2 stops

OPO5:00 pmPorto

$910

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Sa 11/7

9:55 pm-6:10 pm

1 stop28h 15m

Los Angeles

So 11/22

7:55 pm-9:15 pm

1 stop17h 20m

$690

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Sa 5/23

8:35 am-7:10 pm

1 stop18h 35m

Los Angeles

Mo 6/8

8:50 pm-8:00 am

1 stop27h 10m

$749

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Fr 10/30

5:45 pm-6:00 pm

1 stop31h 15m

Los Angeles

Mi 11/11

7:30 pm-4:55 pm

1 stop37h 25m

$780

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Mo 5/25

11:25 am-11:45 am

1 stop32h 20m

San Francisco

So 5/31

8:25 pm-10:00 pm

1 stop17h 35m

$802

Quickest round-trip

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Mo 6/8

5:00 am-11:45 am

1 stop14h 45m

San Francisco

Mo 6/15

10:35 am-3:30 pm

2 stops20h 55m

$806

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Mo 6/8

11:25 am-12:33 am

2 stops21h 08m

San Francisco

Mo 6/15

10:35 am-3:30 pm

2 stops20h 55m

$812

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Fr 5/29

12:45 pm-12:39 am

1 stop19h 54m

San Francisco

So 6/14

11:57 pm-10:30 am

1 stop26h 33m

$813

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Do 10/29

5:50 pm-6:00 pm

1 stop31h 10m

Los Angeles

Sa 11/7

7:30 pm-11:05 am

1 stop31h 35m

$820

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Mi 9/23

4:20 pm-11:45 am

1 stop27h 25m

San Francisco

Mi 10/7

1:45 pm-10:15 pm

1 stop24h 30m

$830

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Fr 9/11

7:00 am-2:35 pm

1 stop15h 35m

Los Angeles

So 9/27

4:40 pm-11:00 pm

1 stop22h 20m

$883

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 Porto to California

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

What is the cheapest month to fly to California?

The month of May is another great option to travel to California, with average flight prices from Porto averaging around $552.

Can stopping save me money on Porto to California flights?

You could potentially save up to 12% on your flight if you consider stops on a Porto to California flight.

Cheap Porto to California flight deals and tips

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

Fastest flight time	14h 45m
Direct flights	None

The fastest flight from Porto to California takes 14h 45m

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

Search flight deals

Frequently asked questions about flying from Porto to California

When did momondo last update prices for flights from Porto Airport to California?
Prices for flights from Porto Airport to California are refreshed on a daily basis.
How many operators does momondo search for flights from Porto Airport to California?
The number of operators available for flights from Porto Airport to California is 2 as of May 2026.
How old do you have to be to fly from Porto Airport to California?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Porto Airport to California.
What documentation or ID do you need to fly to California?
The travel and health documents you'll need for your trip to California may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at California. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Porto to California

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

Airline	Rating	Free Cancellation	Price
TAP AIR PORTUGAL	PriceFrom $634	Free Cancellation	Rating 7.2 2,250 reviews		Search TAP AIR PORTUGAL flights
Lufthansa	PriceFrom $688	Free Cancellation	Rating 6.8 7,993 reviews		Search Lufthansa flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Porto to California for you.

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

Flights from Porto to California with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to California from Porto.

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

If you are not ready to book a flight from Porto to California now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to California and let you know when they change.