$271 Find Cheap Flights from California to Portugal - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheap Flights from California to Portugal

Cheapest round-trip prices found by our users on KAYAK in the last 5 days
Sort by: Cheapest
Porto
12h 45m2 stops
from $576per person
Lisbon
11h 00mNonstop
from $590per person
Faro
13h 45m2 stops
from $646per person
Ponta Delgada
12h 20m3 stops
from $653per person
Lajes
18h 20m2 stops
from $661per person
Funchal
14h 45m2 stops
from $668per person
Velas
18h 51m6 stops
from $1,153per person
Horta
20h 20m4 stops
from $1,528per person
Useful Info

Good to know

Low season

January

Cheapest flight

$271
Best time to beat the crowds with an average 29% drop in price.
Most popular time to fly with an average 28% increase in price.
Flight from Los Angeles to Porto

Flights from California to Portugal: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from California to Portugal 
ShilpaFlew with TAP AIR PORTUGAL-Dec 2025
Seats were comfortable- vegetarian meal was pretty mehhh- maybe pack your own meal
ThuFlew with TAP AIR PORTUGAL-Apr 2024
Weigh bags. They will check. Check in with gate or desk. Sometimes the e ticket will not work for boarding.

FAQs for booking flights from California to Portugal

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

    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 Portugal.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from California to Portugal 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 Portugal?

    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 from California to Portugal with an airline and back with another airline.

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

    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 from California to Portugal up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which airlines fly most frequently to Portugal?

    California and Portugal are connected by different airlines. The airlines that fly that route the most regularly are TAP AIR PORTUGAL (9 flights per week), JetBlue (4 flights per week), and Etihad Airways (3 flights per week).

  • How many airports are there in Portugal?

    There are 14 airports in Portugal. The busiest airport is Lisbon Portela Airport (LIS), with 59% of all flights arriving there.

  • Which is the cheapest airport to fly into in Portugal?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Portugal is Lajes Airport (TER), with an average flight price of $543.

  • What is the cheapest day to fly to Portugal?

    Based on KAYAK data, the cheapest day to fly to Portugal is Thursday where round-trip tickets can be as cheap as $609. On the other hand, the most expensive day to fly is Sunday, where round-trip prices are $881 on average.

  • What is the cheapest time of day to fly to Portugal?

    The cheapest time of day to fly to Portugal is generally in the evening, when round-trip flights cost $767 on average. The most expensive time of day to fly to Portugal is generally at night, which is peak travel time and where the average cost of a ticket is $943.

  • What is the cheapest flight to Portugal?

    The cheapest ticket to Portugal from California found in the last 5 days was to Lisbon, at $632 round-trip. The most popular route is Los Angeles (LAX) to Lisbon (LIS) and the cheapest round-trip airline ticket found on this route in the last 5 days was $632.

  • What is the cheapest month to fly from California to Portugal?

    The cheapest month for flights from California to Portugal is November, when tickets cost $436 (return) on average. On the other hand, the most expensive months are June and May, when the average cost of round-trip tickets is $690 and $596 respectively.

  • How far in advance should I book a flight from California to Portugal?

    To get a below average price on the flight from California to Portugal, you should book around 2 weeks before departure, which saves you about 8% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

  • How many cities have direct flights to Portugal?

    From California, there are direct flights to Portugal from 2 cities. The city with the most direct flights is San Francisco, with 13 direct flights each week.

  • How many direct flights to Portugal are there each day?

    There are around 3 direct flights from within California to Portugal every day. Most flights (71%) depart in the afternoon.

  • How many direct flights to Portugal are there each week?

    Each week there are around 17 direct flights from within California to Portugal. The most common day for departures is Saturday, with 24% of flights taking off on this day.

  • How long is the flight to Portugal?

    An average nonstop flight from California to Portugal takes 19h 01m, covering a distance of 5463 miles. The shortest route is San Francisco (SFO) to Lajes (TER) with an average flight time of 9h 50m.

  • How many long-haul flights are there to Portugal each week?

    There are not any medium-haul (3-6 hour flight duration) or short-haul (up to 3 hour flight duration) flights to Portugal. Instead, there are 17 long-haul flights (6-12 hour flight duration), with the most arriving from San Francisco.

  • What are the most popular destinations in Portugal?

    Based on KAYAK flight searches, the most popular destination is Lisbon (81% of total searches to Portugal). The next most popular destinations are Porto (10%) and Faro (3%). Searches for flights to Funchal (3%), to Ponta Delgada (2%) and to Lajes (1%) are also popular.

More options for your flight to Portugal

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