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Cheap flights from California to Portugal from $266

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 10/30. 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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0 bags

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Find the cheapest flights from California to Portugal

Cheap round-trip flights

Scandinavian Airlines Logo
7:00 am - 4:55 pmSFO-OPO
25h 55m2 stops
Scandinavian Airlines Logo
5:35 pm - 2:35 pmOPO-SFO
29h 00m1 stop
$429Scandinavian Airlines
Find Deal
Thu, Nov 6 - Fri, Nov 21
Multiple Airlines Logo
6:00 am - 9:05 amSJC-LIS
20h 05m2 stops
Multiple Airlines Logo
4:10 pm - 8:49 pmLIS-SJC
36h 39m2 stops
$455Multiple Airlines
Find Deal
Mon, Oct 27 - Wed, Nov 12
Delta Logo
6:25 am - 8:00 amSJC-LIS
17h 35m2 stops
Delta Logo
10:40 am - 11:01 pmLIS-SJC
20h 21m2 stops
$465Delta
Find Deal
Tue, Nov 18 - Thu, Dec 4
Scandinavian Airlines Logo
4:40 pm - 4:55 pmSFO-OPO
16h 15m1 stop
Scandinavian Airlines Logo
5:35 pm - 2:35 pmOPO-SFO
29h 00m1 stop
$467Scandinavian Airlines
Find Deal
Thu, Nov 6 - Fri, Nov 21
Delta Logo
7:04 pm - 8:00 amSJC-LIS
28h 56m2 stops
Delta Logo
10:55 am - 11:59 pmLIS-SJC
21h 04m2 stops
$475Delta
Find Deal
Sun, Nov 23 - Fri, Dec 5
United Airlines Logo
7:45 am - 10:15 amSNA-LIS
19h 30m2 stops
United Airlines Logo
11:20 am - 9:50 pmLIS-SNA
41h 30m2 stops
$483United Airlines
Find Deal
Tue, Mar 10 - Tue, Mar 17
United Airlines Logo
7:45 am - 10:15 amSNA-LIS
19h 30m2 stops
United Airlines Logo
11:20 am - 8:56 pmLIS-SNA
40h 36m2 stops
$484United Airlines
Find Deal
Tue, Mar 10 - Tue, Mar 17
KLM Logo
10:30 pm - 8:00 amONT-LIS
25h 30m2 stops
KLM Logo
10:00 am - 9:14 pmLIS-ONT
19h 14m2 stops
$495KLM
Find Deal
Wed, Jan 14 - Tue, Feb 10
Virgin Atlantic Logo
6:45 am - 8:00 amSNA-LIS
17h 15m2 stops
Virgin Atlantic Logo
11:15 am - 10:20 pmLIS-SNA
19h 05m2 stops
$495Virgin Atlantic
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Fri, Dec 5 - Tue, Dec 9
KLM Logo
1:55 pm - 10:25 pmSFO-OPO
24h 30m1 stop
KLM Logo
4:10 pm - 11:50 amOPO-SFO
27h 40m1 stop
$545KLM
Find Deal
Wed, Nov 5 - Wed, Nov 12

Delta flights from California to Portugal

Our best Delta deals on California to Portugal flight tickets
Delta
Nov 18
SJC6:25 amSan Jose
17h 35m
2 stops
LIS8:00 amLisbon Humberto Delgado
Dec 4
LIS10:40 amLisbon Humberto Delgado
20h 21m
2 stops
SJC11:01 pmSan Jose
$465
Find similar
Delta
Nov 23
SJC7:04 pmSan Jose
28h 56m
2 stops
LIS8:00 amLisbon Humberto Delgado
Dec 5
LIS10:55 amLisbon Humberto Delgado
21h 04m
2 stops
SJC11:59 pmSan Jose
$475
Find similar
Delta
Nov 10
SNA9:30 pmSanta Ana J. Wayne/Orange Cnty
26h 30m
2 stops
LIS8:00 amLisbon Humberto Delgado
Nov 18
LIS11:15 amLisbon Humberto Delgado
29h 34m
2 stops
SNA8:49 amSanta Ana J. Wayne/Orange Cnty
$485
Find similar

Air Canada flights from California to Portugal

Our best Air Canada deals on California to Portugal flight tickets
Air Canada
Nov 22
SJC4:02 pmSan Jose
33h 18m
2 stops
LIS9:20 amLisbon Humberto Delgado
Dec 3
LIS11:00 amLisbon Humberto Delgado
42h 27m
2 stops
SJC9:27 pmSan Jose
$505
Find similar
Air Canada
Nov 24
SJC4:02 pmSan Jose
33h 18m
2 stops
LIS9:20 amLisbon Humberto Delgado
Dec 2
LIS11:20 amLisbon Humberto Delgado
34h 12m
2 stops
SJC1:32 pmSan Jose
$520
Find similar
Air Canada
Nov 23
SJC6:40 pmSan Jose
30h 40m
2 stops
LIS9:20 amLisbon Humberto Delgado
Dec 2
LIS11:20 amLisbon Humberto Delgado
34h 12m
2 stops
SJC1:32 pmSan Jose
$522
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 September 19, 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

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Thu 11/6

7:00 am-4:55 pm

2 stops25h 55m

Porto

Fri 11/21

5:35 pm-2:35 pm

1 stop29h 00m

$429

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Mon 10/27

6:00 am-9:05 am

2 stops20h 05m

Lisbon Humberto Delgado

Wed 11/12

4:10 pm-8:49 pm

2 stops36h 39m

$455

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Tue 11/18

6:25 am-8:00 am

2 stops17h 35m

Lisbon Humberto Delgado

Thu 12/4

10:40 am-11:01 pm

2 stops20h 21m

$465

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Thu 11/6

4:40 pm-4:55 pm

1 stop16h 15m

Porto

Fri 11/21

5:35 pm-2:35 pm

1 stop29h 00m

$467

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Sun 11/23

7:04 pm-8:00 am

2 stops28h 56m

Lisbon Humberto Delgado

Fri 12/5

10:55 am-11:59 pm

2 stops21h 04m

$475

Santa AnaLisbon

SNA - LIS

SNALIS

Santa Ana J. Wayne/Orange Cnty

Tue 3/10

7:45 am-10:15 am

2 stops19h 30m

Lisbon Humberto Delgado

Tue 3/17

11:20 am-9:50 pm

2 stops41h 30m

$483

Santa AnaLisbon

SNA - LIS

SNALIS

Santa Ana J. Wayne/Orange Cnty

Tue 3/10

7:45 am-10:15 am

2 stops19h 30m

Lisbon Humberto Delgado

Tue 3/17

11:20 am-8:56 pm

2 stops40h 36m

$484

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Wed 1/14

10:30 pm-8:00 am

2 stops25h 30m

Lisbon Humberto Delgado

Tue 2/10

10:00 am-9:14 pm

2 stops19h 14m

$495

Santa AnaLisbon

SNA - LIS

SNALIS

Santa Ana J. Wayne/Orange Cnty

Fri 12/5

6:45 am-8:00 am

2 stops17h 15m

Lisbon Humberto Delgado

Tue 12/9

11:15 am-10:20 pm

2 stops19h 05m

$495

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Wed 11/5

1:55 pm-10:25 pm

1 stop24h 30m

Porto

Wed 11/12

4:10 pm-11:50 am

1 stop27h 40m

$545

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 $693, 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 March instead. Flights to Portugal in March, while not as cheap as those in February, still average around $726.

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 $490. 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 $794.

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 afternoon. Flights from California to Portugal during this time can be as low as $731. 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 $902 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 $787 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

$268

Fastest flight time

10h 55m

Direct flights

Mon, Tue, Wed, Thu, Sat and Sun

Airports in Portugal

1 airport
The best one-way flight to Portugal from California in the past 72 hours is $268. The best round-trip flight deal from California to Portugal found on momondo in the last 72 hours is $419.
The fastest flight from California to Portugal takes 10h 55m
Direct flights go from California to Portugal on Monday, Tuesday, Wednesday, Thursday, Saturday 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
LEVELPriceFrom $351Free CancellationRating
4.0
4 reviews
Search LEVEL flights
IberiaPriceFrom $363Free CancellationRating
7.0
2,926 reviews
Search Iberia flights
Scandinavian AirlinesPriceFrom $409Free CancellationRating
7.4
1,487 reviews
Search Scandinavian Airlines flights
Virgin AtlanticPriceFrom $496Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
TAP AIR PORTUGALPriceFrom $504Free CancellationRating
7.1
1,978 reviews
Search TAP AIR PORTUGAL flights
SWISSPriceFrom $516Free CancellationRating
7.6
1,737 reviews
Search SWISS flights
VuelingPriceFrom $522Free CancellationRating
7.1
1,185 reviews
Search Vueling flights
DeltaPriceFrom $540Free CancellationRating
7.9
7,964 reviews
Search Delta flights
LufthansaPriceFrom $550Free CancellationRating
6.8
7,415 reviews
Search Lufthansa flights
British AirwaysPriceFrom $555Free CancellationRating
6.7
7,373 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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