Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from California to Porto from $282

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 Porto departing on 1/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from California to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:10 pm - 6:30 pmLAX-OPO
15h 20m1 stop
Multiple Airlines Logo
6:00 am - 9:10 pmOPO-LAX
23h 10m2 stops
$437Multiple Airlines
Find Deal
jue., ene. 8 - jue., ene. 22
SWISS Logo
7:10 pm - 11:10 amLAX-OPO
32h 00m1 stop
SWISS Logo
12:10 pm - 4:35 pmOPO-LAX
36h 25m1 stop
$442SWISS
Find Deal
jue., ene. 15 - mié., ene. 28
Scandinavian Airlines Logo
5:40 pm - 4:55 pmSFO-OPO
16h 15m1 stop
Scandinavian Airlines Logo
10:25 am - 3:35 pmOPO-SFO
36h 10m1 stop
$465Scandinavian Airlines
Find Deal
jue., mar. 12 - mié., mar. 18
Scandinavian Airlines Logo
1:05 pm - 4:55 pmSFO-OPO
44h 50m2 stops
Scandinavian Airlines Logo
10:25 am - 3:35 pmOPO-SFO
36h 10m1 stop
$474Scandinavian Airlines
Find Deal
mié., mar. 11 - mié., mar. 18
Delta Logo
6:20 pm - 10:30 amLAX-OPO
32h 10m1 stop
Delta Logo
11:15 am - 11:45 amOPO-LAX
32h 30m1 stop
$475Delta
Find Deal
jue., feb. 26 - lun., mar. 2
Lufthansa Logo
9:00 am - 12:50 pmBUR-OPO
19h 50m2 stops
Lufthansa Logo
6:00 am - 9:59 pmOPO-BUR
23h 59m2 stops
$476Lufthansa
Find Deal
jue., ene. 8 - jue., ene. 15
KLM Logo
1:45 pm - 7:20 pmLAX-OPO
21h 35m1 stop
KLM Logo
5:00 am - 11:45 amOPO-LAX
14h 45m1 stop
$476KLM
Find Deal
mié., feb. 11 - mié., feb. 18
Delta Logo
3:25 pm - 10:30 amLAX-OPO
35h 05m1 stop
Delta Logo
11:15 am - 11:45 amOPO-LAX
32h 30m1 stop
$478Delta
Find Deal
jue., ene. 29 - dom., feb. 8
Lufthansa Logo
11:10 am - 1:15 pmSAN-OPO
18h 05m2 stops
Lufthansa Logo
12:30 pm - 11:05 pmOPO-SAN
18h 35m2 stops
$485Lufthansa
Find Deal
mié., ene. 14 - sáb., ene. 24
KLM Logo
7:00 am - 10:20 pmLGB-OPO
31h 20m2 stops
KLM Logo
9:55 am - 4:05 pmOPO-LGB
38h 10m2 stops
$553KLM
Find Deal
vie., feb. 20 - mar., feb. 24

Lufthansa flights from California to Porto

Our best Lufthansa deals on California to Porto flight tickets
Lufthansa
Jan 8
BUR9:00 amBurbank Bob Hope
19h 50m
2 stops
OPO12:50 pmPorto
Jan 15
OPO6:00 amPorto
23h 59m
2 stops
BUR9:59 pmBurbank Bob Hope
$476
Find similar
Lufthansa
Jan 14
SAN11:10 amSan Diego
18h 05m
2 stops
OPO1:15 pmPorto
Jan 24
OPO12:30 pmPorto
18h 35m
2 stops
SAN11:05 pmSan Diego
$485
Find similar
Lufthansa
Jan 8
SMF8:45 amSacramento Intl
20h 05m
2 stops
OPO12:50 pmPorto
Jan 22
OPO6:00 amPorto
21h 39m
2 stops
SMF7:39 pmSacramento Intl
$491
Find similar

Air Canada flights from California to Porto

Our best Air Canada deals on California to Porto flight tickets
Air Canada
Jan 25
LAX8:30 amLos Angeles
19h 35m
2 stops
OPO12:05 pmPorto
Feb 3
OPO6:00 amPorto
41h 17m
2 stops
LAX3:17 pmLos Angeles
$484
Find similar
Air Canada
Jan 28
LAX8:30 amLos Angeles
19h 35m
2 stops
OPO12:05 pmPorto
Feb 8
OPO6:00 amPorto
41h 17m
2 stops
LAX3:17 pmLos Angeles
$584
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from California to Porto 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 noviembre 26, 2025.
Use the filters below to find and compare flights from California to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

jue. 1/8

7:10 pm-6:30 pm

1 stop15h 20m

Porto

jue. 1/22

6:00 am-9:10 pm

2 stops23h 10m

$437

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

jue. 1/15

7:10 pm-11:10 am

1 stop32h 00m

Porto

mié. 1/28

12:10 pm-4:35 pm

1 stop36h 25m

$442

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

jue. 3/12

5:40 pm-4:55 pm

1 stop16h 15m

Porto

mié. 3/18

10:25 am-3:35 pm

1 stop36h 10m

$465

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

mié. 3/11

1:05 pm-4:55 pm

2 stops44h 50m

Porto

mié. 3/18

10:25 am-3:35 pm

1 stop36h 10m

$474

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

jue. 2/26

6:20 pm-10:30 am

1 stop32h 10m

Porto

lun. 3/2

11:15 am-11:45 am

1 stop32h 30m

$475

BurbankPorto

BUR - OPO

BUROPO

Burbank Bob Hope

jue. 1/8

9:00 am-12:50 pm

2 stops19h 50m

Porto

jue. 1/15

6:00 am-9:59 pm

2 stops23h 59m

$476

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

mié. 2/11

1:45 pm-7:20 pm

1 stop21h 35m

Porto

mié. 2/18

5:00 am-11:45 am

1 stop14h 45m

$476

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

jue. 1/29

3:25 pm-10:30 am

1 stop35h 05m

Porto

dom. 2/8

11:15 am-11:45 am

1 stop32h 30m

$478

San DiegoPorto

SAN - OPO

SANOPO

San Diego

mié. 1/14

11:10 am-1:15 pm

2 stops18h 05m

Porto

sáb. 1/24

12:30 pm-11:05 pm

2 stops18h 35m

$485

Long BeachPorto

LGB - OPO

LGBOPO

Long Beach Municipal

vie. 2/20

7:00 am-10:20 pm

2 stops31h 20m

Porto

mar. 2/24

9:55 am-4:05 pm

2 stops38h 10m

$553

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Porto from

How to get the cheapest flight ticket from California to Porto

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 Porto?

The month of February is, on average, the cheapest month to fly to Porto from California, with most prices found around $643. If you aren’t able to travel during the month of February, then book flights to Porto from California during January instead. Flights to Porto in January, while not as cheap as those in February, still average around $664.

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

The cheapest day to depart on your flight to Porto is on a Wednesday when prices can be found for as low as $942. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,197. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

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

In the evening is the cheapest time of day to fly from California to Porto when you can find flight prices for as low as $954. Flying to Porto in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,172 on average. Flights to Porto from California in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Porto from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $909 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from California for as low as $767 on momondo.

Can stopping save me money on California to Porto flights?

You could potentially save up to 6% on your flight if you consider stops on a California to Porto flight.

Cheap California to Porto flight deals and tips

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

Fastest flight time

14h 55m

Direct flights

None
The fastest flight from California to Porto takes 14h 55m
There are no direct flights from California to Porto. There are no popular flight routes from California to Porto.
Search flight deals

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

    Prices for flights from California to Porto Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The necessary travel and health documents for your Porto Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from California to Porto

Compare and see reviews for airlines that fly from California to Porto with momondo
Airline
Rating
Free Cancellation
Price
LEVELPriceFrom $388Free CancellationRating
0.0
Search LEVEL flights
Scandinavian AirlinesPriceFrom $527Free CancellationRating
7.4
1,589 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $533Free CancellationRating
6.7
7,539 reviews
Search British Airways flights
IberiaPriceFrom $540Free CancellationRating
7.0
3,034 reviews
Search Iberia flights
LufthansaPriceFrom $550Free CancellationRating
6.8
7,594 reviews
Search Lufthansa flights
TAP AIR PORTUGALPriceFrom $573Free CancellationRating
7.1
2,074 reviews
Search TAP AIR PORTUGAL flights
American AirlinesPriceFrom $574Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
SWISSPriceFrom $610Free CancellationRating
7.5
1,794 reviews
Search SWISS flights
United AirlinesPriceFrom $615Free CancellationRating
7.4
9,046 reviews
Search United Airlines flights
KLMPriceFrom $673Free CancellationRating
7.7
1,422 reviews
Search KLM flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Aveiro
Braga
Matosinhos
Guimarães
Lamego
Esposende
Chaves
Viseu
Espinho
Ponte de Lima
Arcos de Valdevez
Pinhao
Curia
Penafiel
Mesao Frio
Mira
Baiao

Why use momondo?

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

It is quick and easy to find California to Porto flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Porto that suits you.

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

momondo does allow users to show only those flights to Porto from California which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between California and Porto by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Porto from California. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Porto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
vie. 12/26
vie. 1/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal