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>

$354 CHEAP FLIGHTS from California to Porto

OPO

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

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Flight Deals

Cheap Flights from California to Porto

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

Wed, Oct 14 - Wed, Nov 11

5:05 pm - 7:05 pm

LAX

OPO

18h 00m

1 stop

9:55 pm - 6:10 pm

OPO

LAX

28h 15m

1 stop

$678Multiple Airlines

Tue, Aug 18 - Thu, Aug 27

4:45 pm - 11:00 am

SFO

OPO

34h 15m

1 stop

11:50 am - 2:40 pm

OPO

SFO

34h 50m

1 stop

$697Scandinavian Airlines

Wed, Oct 14 - Tue, Nov 3

7:35 pm - 6:30 pm

LAX

OPO

14h 55m

1 stop

7:20 pm - 4:35 pm

OPO

LAX

29h 15m

1 stop

$728SWISS

Sat, May 9 - Fri, May 15

6:00 pm - 7:00 pm

LAX

OPO

17h 00m

1 stop

4:00 pm - 2:40 pm

OPO

LAX

30h 40m

1 stop

$731TAP AIR PORTUGAL

Wed, Oct 14 - Tue, Nov 3

12:15 pm - 3:25 pm

LAX

OPO

19h 10m

2 stops

5:00 am - 11:45 am

OPO

LAX

14h 45m

1 stop

$738Delta

Tue, Oct 13 - Tue, Oct 27

12:25 pm - 7:00 am

LAX

OPO

34h 35m

1 stop

7:20 pm - 5:35 pm

OPO

LAX

29h 15m

1 stop

$739Multiple Airlines

Wed, Oct 14 - Wed, Nov 11

8:15 am - 7:00 am

LAX

OPO

14h 45m

1 stop

12:30 pm - 12:09 am

OPO

LAX

19h 39m

2 stops

$741United Airlines

Wed, Oct 14 - Wed, Nov 11

5:00 am - 7:00 am

LAX

OPO

18h 00m

2 stops

12:30 pm - 12:09 am

OPO

LAX

19h 39m

2 stops

$745United Airlines

Wed, Oct 14 - Tue, Nov 3

12:15 pm - 3:25 pm

LAX

OPO

19h 10m

2 stops

11:25 am - 12:48 am

OPO

LAX

21h 23m

2 stops

$755Delta

Sat, Oct 17 - Mon, Oct 26

9:20 am - 12:00 pm

SMF

OPO

42h 40m

2 stops

7:20 pm - 10:35 pm

OPO

SMF

34h 15m

2 stops

$831SWISS

Useful Info

Low season	January
High season	July
Cheapest flight	$354

Best time to beat the crowds with an average 24% drop in price.

Most popular time to fly with an average 27% 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

Santa Maria da Feira

Caminha

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

$354 Find Cheap Flights from California to Porto

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

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