$391 Cheap Flights from Porto to California in 2026/27 | momondo

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One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 pm - 3:15 pmOPO Porto-LAX Los Angeles

27h 15m1 stop Lisbon Humberto Delgado

5:10 pm - 3:00 pmLAX Los Angeles-OPO Porto

13h 50m1 stop Lisbon Humberto Delgado

$506TAP AIR PORTUGAL

Mon, Nov 9 - Tue, Nov 24

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

16h 15m1 stop Lisbon Humberto Delgado

5:10 pm - 3:00 pmLAX Los Angeles-OPO Porto

13h 50m1 stop Lisbon Humberto Delgado

$507TAP AIR PORTUGAL

Thu, Nov 12 - Thu, Nov 26

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

16h 15m1 stop Lisbon Humberto Delgado

5:10 pm - 3:00 pmLAX Los Angeles-OPO Porto

13h 50m1 stop Lisbon Humberto Delgado

$509TAP AIR PORTUGAL

Thu, Nov 12 - Thu, Nov 26

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

16h 15m1 stop Lisbon Humberto Delgado

5:10 pm - 3:00 pmLAX Los Angeles-OPO Porto

13h 50m1 stop Lisbon Humberto Delgado

$511TAP AIR PORTUGAL

Thu, Nov 12 - Thu, Nov 26

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

16h 15m1 stop Lisbon Humberto Delgado

5:10 pm - 4:35 pmLAX Los Angeles-OPO Porto

15h 25m1 stop Lisbon Humberto Delgado

$514TAP AIR PORTUGAL

Sat, Nov 21 - Sat, Nov 28

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

16h 15m1 stop Lisbon Humberto Delgado

5:10 pm - 10:00 amLAX Los Angeles-OPO Porto

32h 50m1 stop Lisbon Humberto Delgado

$521TAP AIR PORTUGAL

Thu, Nov 12 - Thu, Nov 26

7:05 am - 7:20 amOPO Porto-LAX Los Angeles

32h 15m2 stops Milan Malpensa Casablanca Mohamed V

9:20 am - 9:05 pmLAX Los Angeles-OPO Porto

27h 45m2 stops Casablanca Mohamed V Milan Malpensa

$583Multiple Airlines

Thu, Nov 12 - Fri, Nov 27

5:45 pm - 2:50 pmOPO Porto-SFO San Francisco

29h 05m1 stop Kastrup Copenhagen

4:45 pm - 5:05 pmSFO San Francisco-OPO Porto

16h 20m1 stop Kastrup Copenhagen

$627Scandinavian Airlines

Fri, Feb 26 - Thu, Apr 8

7:05 am - 7:20 amOPO Porto-LAX Los Angeles

32h 15m2 stops Milan Malpensa Casablanca Mohamed V

9:20 am - 9:15 pmLAX Los Angeles-OPO Porto

27h 55m3 stops Casablanca Mohamed V Milan Malpensa Barcelona-El Prat

$632Multiple Airlines

Thu, Nov 12 - Fri, Nov 27

10:05 pm - 2:45 pmOPO Porto-SFO San Francisco

48h 40m2 stops Barcelona-El Prat Lisbon Humberto Delgado

4:35 pm - 5:00 pmSFO San Francisco-OPO Porto

16h 25m1 stop Lisbon Humberto Delgado

$643Multiple Airlines

Mon, Nov 9 - Wed, Nov 25

Cheap last minute flights

Enter your travel dates to find the best prices.

11:00 am - 12:19 pmOPO Porto-LAX Los Angeles

32h 19m3 stops Lisbon Humberto Delgado Miami Atlanta Hartsfield-Jackson

9:20 am - 10:00 pmLAX Los Angeles-OPO Porto

28h 40m2 stops Casablanca Mohamed V Madrid Barajas

$1,035Multiple Airlines

Fri, Oct 30 - Fri, Nov 6

11:40 am - 2:30 pmOPO Porto-LAX Los Angeles

33h 50m2 stops Barcelona-El Prat Rome Fiumicino

3:20 pm - 9:40 pmLAX Los Angeles-OPO Porto

22h 20m2 stops Rome Fiumicino Barcelona-El Prat

$1,049Multiple Airlines

Fri, Oct 30 - Fri, Nov 6

11:35 am - 12:19 pmOPO Porto-LAX Los Angeles

31h 44m3 stops Madrid Barajas Miami Atlanta Hartsfield-Jackson

12:26 am - 7:20 pmLAX Los Angeles-OPO Porto

34h 54m3 stops Atlanta Hartsfield-Jackson Miami Madrid Barajas

$1,082Multiple Airlines

Fri, Oct 30 - Thu, Nov 5

5:00 am - 7:39 pmOPO Porto-LAX Los Angeles

21h 39m2 stops Amsterdam Schiphol Portland

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

19h 00m1 stop Paris Charles de Gaulle

$1,100Delta

Fri, Oct 30 - Fri, Nov 6

5:55 am - 5:35 pmOPO Porto-LAX Los Angeles

18h 40m1 stop Paris Charles de Gaulle

3:20 pm - 10:00 pmLAX Los Angeles-OPO Porto

22h 40m1 stop Paris Charles de Gaulle

$1,101Air France

Fri, Oct 30 - Fri, Nov 6

12:35 pm - 11:57 pmOPO Porto-SFO San Francisco

19h 22m1 stop Newark

8:15 am - 9:30 amSFO San Francisco-OPO Porto

17h 15m1 stop Newark

$1,259United Airlines

Sun, Nov 1 - Fri, Nov 6

12:35 pm - 11:31 amOPO Porto-SAN San Diego

29h 56m2 stops Newark Los Angeles

9:42 pm - 9:30 amSAN San Diego-OPO Porto

27h 48m1 stop Newark

$1,288United Airlines

Tue, Oct 27 - Sat, Dec 19

12:35 pm - 11:31 amOPO Porto-SAN San Diego

29h 56m2 stops Newark Los Angeles

9:42 pm - 9:30 amSAN San Diego-OPO Porto

27h 48m1 stop Newark

$1,288United Airlines

Tue, Oct 27 - Wed, Dec 23

12:35 pm - 11:31 amOPO Porto-SAN San Diego

29h 56m2 stops Newark Los Angeles

10:30 pm - 9:30 amSAN San Diego-OPO Porto

27h 00m1 stop Newark

$1,288United Airlines

Tue, Oct 27 - Mon, Dec 21

5:00 am - 1:10 pmOPO Porto-SAN San Diego

15h 10m1 stop Amsterdam Schiphol

2:05 pm - 3:25 pmSAN San Diego-OPO Porto

17h 20m1 stop Amsterdam Schiphol

$1,330Delta

Tue, Oct 27 - Tue, Dec 22

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TAP AIR PORTUGAL flights from Porto to California

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

TAP AIR PORTUGAL

Nov 9

OPO8:00 pmPorto

27h 15m

1 stop

LAX3:15 pmLos Angeles

Nov 24

LAX5:10 pmLos Angeles

13h 50m

1 stop

OPO3:00 pmPorto

$506

TAP AIR PORTUGAL

Nov 12

OPO7:00 amPorto

16h 15m

1 stop

LAX3:15 pmLos Angeles

Nov 26

LAX5:10 pmLos Angeles

13h 50m

1 stop

OPO3:00 pmPorto

$507

TAP AIR PORTUGAL

Nov 12

OPO7:00 amPorto

16h 15m

1 stop

LAX3:15 pmLos Angeles

Nov 26

LAX5:10 pmLos Angeles

13h 50m

1 stop

OPO3:00 pmPorto

$509

Delta flights from Porto to California

Our best Delta deals on Porto to California flight tickets

Delta

Nov 12

OPO5:00 amPorto

14h 45m

1 stop

LAX11:45 amLos Angeles

Nov 27

LAX6:55 pmLos Angeles

19h 05m

1 stop

OPO10:00 pmPorto

$728

Delta

Nov 20

OPO5:00 amPorto

18h 22m

2 stops

LAX3:22 pmLos Angeles

Nov 27

LAX6:00 amLos Angeles

20h 35m

2 stops

OPO10:35 amPorto

$733

Delta

Nov 6

OPO5:00 amPorto

14h 45m

1 stop

LAX11:45 amLos Angeles

Nov 10

LAX7:00 pmLos Angeles

19h 00m

1 stop

OPO10:00 pmPorto

$739

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoLos Angeles

OPO Porto - LAX Los Angeles

OPOLAX

Porto

Mon 11/9

8:00 pm-3:15 pm

1 stop27h 15m

Los Angeles

Tue 11/24

5:10 pm-3:00 pm

1 stop13h 50m

$506

Quickest round-trip

PortoLos Angeles

OPO Porto - LAX Los Angeles

OPOLAX

Porto

Thu 11/12

7:00 am-3:15 pm

1 stop16h 15m

Los Angeles

Thu 11/26

5:10 pm-3:00 pm

1 stop13h 50m

$507

PortoLos Angeles

OPO Porto - LAX Los Angeles

OPOLAX

Porto

Thu 11/12

7:00 am-3:15 pm

1 stop16h 15m

Los Angeles

Thu 11/26

5:10 pm-3:00 pm

1 stop13h 50m

$509

PortoLos Angeles

OPO Porto - LAX Los Angeles

OPOLAX

Porto

Thu 11/12

7:00 am-3:15 pm

1 stop16h 15m

Los Angeles

Thu 11/26

5:10 pm-3:00 pm

1 stop13h 50m

$511

PortoLos Angeles

OPO Porto - LAX Los Angeles

OPOLAX

Porto

Sat 11/21

7:00 am-3:15 pm

1 stop16h 15m

Los Angeles

Sat 11/28

5:10 pm-4:35 pm

1 stop15h 25m

$514

PortoLos Angeles

OPO Porto - LAX Los Angeles

OPOLAX

Porto

Thu 11/12

7:00 am-3:15 pm

1 stop16h 15m

Los Angeles

Thu 11/26

5:10 pm-10:00 am

1 stop32h 50m

$521

PortoLos Angeles

OPO Porto - LAX Los Angeles

OPOLAX

Porto

Thu 11/12

7:05 am-7:20 am

2 stops32h 15m

Los Angeles

Fri 11/27

9:20 am-9:05 pm

2 stops27h 45m

$583

PortoSan Francisco

OPO Porto - SFO San Francisco

OPOSFO

Porto

Fri 2/26

5:45 pm-2:50 pm

1 stop29h 05m

San Francisco

Thu 4/8

4:45 pm-5:05 pm

1 stop16h 20m

$627

PortoLos Angeles

OPO Porto - LAX Los Angeles

OPOLAX

Porto

Thu 11/12

7:05 am-7:20 am

2 stops32h 15m

Los Angeles

Fri 11/27

9:20 am-9:15 pm

3 stops27h 55m

$632

PortoSan Francisco

OPO Porto - SFO San Francisco

OPOSFO

Porto

Mon 11/9

10:05 pm-2:45 pm

2 stops48h 40m

San Francisco

Wed 11/25

4:35 pm-5:00 pm

1 stop16h 25m

$643

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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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 $705.

Can stopping save me money on Porto to California flights?

You could potentially save up to 53% 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

Best Price Found	$391
Fastest flight time	14h 45m
Direct flights	None

The best one-way flight to California from Porto in the past 72 hours is $391. The best round-trip flight deal from Porto to California found on momondo in the last 72 hours is $506.

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 1 as of October 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 $527	Free Cancellation	Rating 7.2 2,385 reviews		Search TAP AIR PORTUGAL 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.

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