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Cheap flights from California to Portugal from $246

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Portugal departing on 1/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from California to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
7:00 am - 7:40 amLAX-OPO
16h 40m2 stops
Iberia Logo
8:20 am - 8:55 pmOPO-LAX
20h 35m2 stops
$445Iberia
Find Deal
Sat, Dec 6 - Sat, Dec 13
Multiple Airlines Logo
7:10 pm - 11:15 amLAX-OPO
32h 05m1 stop
Multiple Airlines Logo
1:45 pm - 3:15 pmOPO-LAX
33h 30m1 stop
$455Multiple Airlines
Find Deal
Tue, Dec 2 - Tue, Dec 9
SWISS Logo
7:10 pm - 11:15 amLAX-OPO
32h 05m1 stop
SWISS Logo
7:25 pm - 4:35 pmOPO-LAX
29h 10m1 stop
$463SWISS
Find Deal
Mon, Dec 1 - Sun, Dec 14
SWISS Logo
7:10 pm - 6:30 pmLAX-OPO
15h 20m1 stop
SWISS Logo
7:25 pm - 4:35 pmOPO-LAX
29h 10m1 stop
$464SWISS
Find Deal
Thu, Dec 4 - Thu, Dec 11
Air Canada Logo
9:10 am - 9:20 amLAS-LIS
16h 10m1 stop
Air Canada Logo
10:55 am - 8:39 pmLIS-LAS
17h 44m1 stop
$467Air Canada
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Thu, Dec 4 - Thu, Dec 18
Air Canada Logo
9:10 am - 9:20 amLAS-LIS
16h 10m1 stop
Air Canada Logo
10:55 am - 10:31 pmLIS-LAS
19h 36m2 stops
$469Air Canada
Find Deal
Thu, Dec 4 - Thu, Dec 18
Lufthansa Logo
5:30 pm - 11:40 pmLAX-OPO
22h 10m1 stop
Lufthansa Logo
6:15 am - 3:15 pmOPO-LAX
17h 00m1 stop
$477Lufthansa
Find Deal
Wed, Dec 3 - Sun, Dec 14
KLM Logo
3:25 pm - 10:30 amLAX-OPO
35h 05m1 stop
KLM Logo
11:15 am - 11:45 amOPO-LAX
32h 30m1 stop
$478KLM
Find Deal
Tue, Feb 10 - Sun, Feb 22
KLM Logo
1:45 pm - 7:20 pmLAX-OPO
21h 35m1 stop
KLM Logo
4:10 pm - 11:45 amOPO-LAX
27h 35m1 stop
$482KLM
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Wed, Feb 11 - Wed, Feb 18
Lufthansa Logo
5:30 pm - 11:40 pmLAX-OPO
22h 10m1 stop
Lufthansa Logo
6:00 am - 5:14 pmOPO-LAX
19h 14m2 stops
$485Lufthansa
Find Deal
Thu, Dec 4 - Thu, Dec 11

Virgin Atlantic flights from California to Portugal

Our best Virgin Atlantic deals on California to Portugal flight tickets
Virgin Atlantic
Dec 4
LAX9:25 amLos Angeles
15h 30m
1 stop
LIS8:55 amLisbon Humberto Delgado
Dec 18
LIS10:40 amLisbon Humberto Delgado
17h 58m
2 stops
LAX8:38 pmLos Angeles
$510
Find similar
Virgin Atlantic
Nov 14
LAX6:04 amLos Angeles
17h 56m
2 stops
LIS8:00 amLisbon Humberto Delgado
Nov 23
LIS10:00 amLisbon Humberto Delgado
22h 31m
2 stops
LAX12:31 amLos Angeles
$610
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Air France flights from California to Portugal

Our best Air France deals on California to Portugal flight tickets
Air France
Nov 14
LAX6:20 pmLos Angeles
15h 10m
1 stop
LIS5:30 pmLisbon Humberto Delgado
Nov 19
LIS5:30 amLisbon Humberto Delgado
15h 40m
1 stop
LAX1:10 pmLos Angeles
$541
Find similar
Air France
Nov 14
LAX6:20 pmLos Angeles
15h 10m
1 stop
LIS5:30 pmLisbon Humberto Delgado
Nov 23
LIS5:30 amLisbon Humberto Delgado
15h 40m
1 stop
LAX1:10 pmLos Angeles
$591
Find similar
Air France
Nov 11
SFO3:40 pmSan Francisco
17h 50m
1 stop
LIS5:30 pmLisbon Humberto Delgado
Nov 17
LIS6:30 pmLisbon Humberto Delgado
26h 55m
1 stop
SFO1:25 pmSan Francisco
$617
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from California to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from California to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Sat 12/6

7:00 am-7:40 am

2 stops16h 40m

Porto

Sat 12/13

8:20 am-8:55 pm

2 stops20h 35m

$445

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Tue 12/2

7:10 pm-11:15 am

1 stop32h 05m

Porto

Tue 12/9

1:45 pm-3:15 pm

1 stop33h 30m

$455

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Mon 12/1

7:10 pm-11:15 am

1 stop32h 05m

Porto

Sun 12/14

7:25 pm-4:35 pm

1 stop29h 10m

$463

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Thu 12/4

7:10 pm-6:30 pm

1 stop15h 20m

Porto

Thu 12/11

7:25 pm-4:35 pm

1 stop29h 10m

$464

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Thu 12/4

9:10 am-9:20 am

1 stop16h 10m

Lisbon Humberto Delgado

Thu 12/18

10:55 am-8:39 pm

1 stop17h 44m

$467

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Thu 12/4

9:10 am-9:20 am

1 stop16h 10m

Lisbon Humberto Delgado

Thu 12/18

10:55 am-10:31 pm

2 stops19h 36m

$469

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Wed 12/3

5:30 pm-11:40 pm

1 stop22h 10m

Porto

Sun 12/14

6:15 am-3:15 pm

1 stop17h 00m

$477

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Tue 2/10

3:25 pm-10:30 am

1 stop35h 05m

Porto

Sun 2/22

11:15 am-11:45 am

1 stop32h 30m

$478

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Wed 2/11

1:45 pm-7:20 pm

1 stop21h 35m

Porto

Wed 2/18

4:10 pm-11:45 am

1 stop27h 35m

$482

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Thu 12/4

5:30 pm-11:40 pm

1 stop22h 10m

Porto

Thu 12/11

6:00 am-5:14 pm

2 stops19h 14m

$485

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portugal from

How to get the cheapest flight ticket from California to Portugal

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

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from California is in February. Flight prices, which tend to average around $671, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from California during October instead. Flights to Portugal in October, while not as cheap as those in February, still average around $695.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Thursday is the cheapest day to fly to Portugal from California. The lowest ticket price found for a Thursday departure recently was $486. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $781.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the evening. Flights from California to Portugal during this time can be as low as $397. At noon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,103 per ticket.

What is the cheapest California to Portugal flight route?

Fly from Los Angeles to Lisbon Humberto Delgado for the best California - Portugal flight prices

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

You are more likely to see cheaper flights to Portugal from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $881 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from California for as low as $764 on momondo.

What cabin class options are available on California to Portugal flights?

There are 4 cabin classes available to choose from on California to Portugal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on California to Portugal flights?

No. A direct flight is the cheapest option for a flight between California to Portugal.

Cheap California to Portugal flight deals and tips

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

Best Price Found

$244

Fastest flight time

10h 55m

Direct flights

Wed, Thu and Sun

Airports in Portugal

1 airport
The best one-way flight to Portugal from California in the past 72 hours is $244. The best round-trip flight deal from California to Portugal found on momondo in the last 72 hours is $388.
The fastest flight from California to Portugal takes 10h 55m
Direct flights go from California to Portugal on Wednesday, Thursday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Portugal: Lisbon Humberto Delgado (LIS)
Search flight deals

  • When did momondo last update prices for flights from California to Portugal?

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

  • How many operators does momondo search for flights from California to Portugal?

  • How old do you have to be to fly from California to Portugal?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The required travel and health documents for your Portugal trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portugal. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from California to Portugal?

Best airlines flying from California to Portugal

Compare and see reviews for airlines that fly from California to Portugal with momondo
Airline
Rating
Free Cancellation
Price
SWISSPriceFrom $244Free CancellationRating
7.5
1,779 reviews
Search SWISS flights
LEVELPriceFrom $351Free CancellationRating
0.0
Search LEVEL flights
Scandinavian AirlinesPriceFrom $409Free CancellationRating
7.4
1,564 reviews
Search Scandinavian Airlines flights
IberiaPriceFrom $469Free CancellationRating
7.0
3,007 reviews
Search Iberia flights
LufthansaPriceFrom $486Free CancellationRating
6.8
7,558 reviews
Search Lufthansa flights
KLMPriceFrom $497Free CancellationRating
7.7
1,405 reviews
Search KLM flights
TAP AIR PORTUGALPriceFrom $505Free CancellationRating
7.1
2,048 reviews
Search TAP AIR PORTUGAL flights
United AirlinesPriceFrom $515Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
VuelingPriceFrom $522Free CancellationRating
7.1
1,206 reviews
Search Vueling flights
British AirwaysPriceFrom $529Free CancellationRating
6.7
7,500 reviews
Search British Airways flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from California to Portugal. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for California to Portugal flights to just show those with flexible booking policies.

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

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 Portugal from California.

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

Yes. momondo can track prices for California to Portugal flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Portugal

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