How does KAYAK find such low prices on flights from California to Porto?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Porto. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Porto?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from California is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from California to Porto?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto with an airline and back to California with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Porto?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$260 CHEAP FLIGHTS from California to Porto

OPO

KAYAK searches hundreds of travel sites at once for deals on flights to Porto

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$436

Overall average: $671

Lufthansa

Mon 1/12Mon 1/26

LAX - OPO • 1 stop

Cheapest one-way

$260

Typical prices: $403-$441

Multiple Airlines

Tue 1/27

LAX - OPO • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Porto!

Flight Deals

Cheap Flights from California to Porto

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from California to Porto that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from California to Porto

Mon, Jan 12 - Mon, Jan 26

3:00 pm - 2:55 pm

LAX

OPO

15h 55m1 stop

6:00 am - 9:10 pm

OPO

LAX

23h 10m2 stops

$436Lufthansa

Mon, Jan 12 - Mon, Jan 26

3:00 pm - 2:55 pm

LAX

OPO

15h 55m1 stop

1:45 pm - 3:15 pm

OPO

LAX

33h 30m1 stop

$458Lufthansa

Thu, Jan 15 - Sat, Jan 24

7:10 pm - 11:10 am

LAX

OPO

32h 00m1 stop

11:55 am - 4:35 pm

OPO

LAX

36h 40m1 stop

$461SWISS

Mon, Jan 12 - Mon, Jan 26

7:10 pm - 11:15 am

LAX

OPO

32h 05m1 stop

12:05 pm - 4:35 pm

OPO

LAX

36h 30m1 stop

$463SWISS

Wed, Feb 11 - Mon, Feb 16

7:35 am - 1:15 pm

LAX

OPO

21h 40m2 stops

11:25 am - 4:35 pm

OPO

LAX

37h 10m1 stop

$465Multiple Airlines

Sat, Jan 17 - Sun, Feb 1

10:52 am - 12:05 pm

SAN

OPO

17h 13m2 stops

6:00 am - 8:47 pm

OPO

SAN

22h 47m2 stops

$467Multiple Airlines

Mon, Jan 26 - Mon, Feb 2

9:05 pm - 10:30 am

LAX

OPO

29h 25m1 stop

5:00 am - 11:45 am

OPO

LAX

14h 45m1 stop

$480KLM

Wed, Feb 11 - Wed, Feb 18

8:45 am - 10:30 am

LAX

OPO

17h 45m2 stops

5:00 am - 11:45 am

OPO

LAX

14h 45m1 stop

$483Delta

Tue, Mar 10 - Fri, Mar 20

3:00 pm - 3:25 pm

SAN

OPO

17h 25m1 stop

11:15 am - 1:05 pm

OPO

SAN

32h 50m1 stop

$484KLM

Sat, Jan 17 - Sun, Feb 1

1:35 pm - 10:30 am

SAN

OPO

36h 55m2 stops

5:00 am - 12:05 am

OPO

SAN

27h 05m2 stops

$485Delta

Useful Info

Low season	February
High season	July
Cheapest flight	$260

Best time to beat the crowds with an average 17% drop in price.

Most popular time to fly with an average 20% increase in price.

Flight from Los Angeles to Porto

How does KAYAK find such low prices on flights from California to Porto?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Porto.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Porto?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from California is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from California to Porto?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto with an airline and back to California with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Porto?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Lamego

Guimarães

Pinhao

Chaves

Esposende

Viseu

Arcos de Valdevez

Espinho

Ponte de Lima

Baiao

Caminha

Santa Maria da Feira

Mira

Penafiel

Amares

Curia

Everything you need to know for your flight to Porto

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Porto

Porto (OPO)

OPO

$262 Find Cheap Flights from California to Porto

KAYAK searches hundreds of travel sites at once for deals on flights to Porto

Everything you should know

Cheap Flights from California to Porto

Recent round-trip flight deals from California to Porto

Recent one-way flight deals from California to Porto

Recent last minute flight deals from California to Porto

Good to know

FAQs for booking flights from California to Porto

How does KAYAK find such low prices on flights from California to Porto?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Porto.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Porto?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from California is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from California to Porto?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto with an airline and back to California with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Porto?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Porto?

Everything you need to know for your flight to Porto

Information on the airport you'll fly into in Porto

Cabin class types available on flights to California

Complete your trip to Porto with a hotel stay or car rental

Find direct flights for Porto

Flights to other popular destinations

Flights from domestic origins to Porto

Choose which airport to fly into in Porto

Find deals for your return flight