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Cheap flights from Porto to Los Angeles from $354

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto to Los Angeles departing on 9/1. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Porto to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
LEVEL Logo
10:00 pm - 5:55 pm
OPO
-
LAX
27h 55m
1 stop
LEVEL Logo
7:50 pm - 8:00 am
LAX
-
OPO
28h 10m
1 stop
$568LEVEL
Thu, Sep 3 - Fri, Sep 18
LEVEL Logo
1:45 pm - 5:55 pm
OPO
-
LAX
36h 10m
1 stop
LEVEL Logo
8:55 pm - 8:00 am
LAX
-
OPO
27h 05m
1 stop
$579LEVEL
Thu, Sep 3 - Sat, Sep 19
LEVEL Logo
10:00 pm - 5:55 pm
OPO
-
LAX
27h 55m
1 stop
LEVEL Logo
8:55 pm - 8:00 am
LAX
-
OPO
27h 05m
1 stop
$586LEVEL
Thu, Sep 3 - Sat, Sep 19
Multiple Airlines Logo
8:20 am - 4:05 pm
OPO
-
LAX
15h 45m
1 stop
Multiple Airlines Logo
3:50 pm - 7:05 pm
LAX
-
OPO
19h 15m
1 stop
$701Multiple Airlines
Sat, Aug 29 - Fri, Sep 11
Multiple Airlines Logo
7:00 am - 4:05 pm
OPO
-
LAX
17h 05m
1 stop
Multiple Airlines Logo
5:50 pm - 11:50 pm
LAX
-
OPO
22h 00m
1 stop
$702Multiple Airlines
Thu, Aug 27 - Sun, Sep 6
British Airways Logo
12:25 pm - 10:47 pm
OPO
-
LAX
18h 22m
2 stops
British Airways Logo
6:05 pm - 7:05 pm
LAX
-
OPO
17h 00m
1 stop
$706British Airways
Sat, Aug 29 - Fri, Sep 11
Iberia Logo
8:20 am - 4:05 pm
OPO
-
LAX
15h 45m
1 stop
Iberia Logo
5:50 pm - 4:00 pm
LAX
-
OPO
14h 10m
1 stop
$711Iberia
Tue, Sep 1 - Tue, Sep 8
Iberia Logo
8:20 am - 4:05 pm
OPO
-
LAX
15h 45m
1 stop
Iberia Logo
5:50 pm - 8:00 pm
LAX
-
OPO
18h 10m
1 stop
$712Iberia
Sun, Sep 20 - Sat, Sep 26
American Airlines Logo
8:20 am - 4:05 pm
OPO
-
LAX
15h 45m
1 stop
American Airlines Logo
5:50 pm - 4:00 pm
LAX
-
OPO
14h 10m
1 stop
$713American Airlines
Sun, Sep 20 - Sat, Sep 26
Lufthansa Logo
6:00 am - 4:20 pm
OPO
-
LAX
18h 20m
1 stop
Lufthansa Logo
5:30 pm - 11:25 pm
LAX
-
OPO
21h 55m
1 stop
$716Lufthansa
Fri, Aug 21 - Sun, Sep 6

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American Airlines flights from Porto to Los Angeles

Our best American Airlines deals on Porto to Los Angeles flight tickets
American Airlines
Sep 20
OPO8:20 amPorto
15h 45m
1 stop
LAX4:05 pmLos Angeles
Sep 26
LAX5:50 pmLos Angeles
14h 10m
1 stop
OPO4:00 pmPorto
$713
American Airlines
Oct 14
OPO8:20 amPorto
21h 16m
2 stops
LAX9:36 pmLos Angeles
Oct 18
LAX5:50 pmLos Angeles
14h 10m
1 stop
OPO4:00 pmPorto
$717
American Airlines
Sep 1
OPO12:25 pmPorto
18h 22m
2 stops
LAX10:47 pmLos Angeles
Sep 8
LAX1:51 pmLos Angeles
18h 09m
2 stops
OPO4:00 pmPorto
$726

SWISS flights from Porto to Los Angeles

Our best SWISS deals on Porto to Los Angeles flight tickets
SWISS
Aug 21
OPO8:40 amPorto
15h 50m
1 stop
LAX4:30 pmLos Angeles
Sep 6
LAX7:35 pmLos Angeles
14h 40m
1 stop
OPO6:15 pmPorto
$719
SWISS
Nov 20
OPO12:05 pmPorto
36h 30m
1 stop
LAX4:35 pmLos Angeles
Dec 3
LAX7:10 pmLos Angeles
32h 05m
1 stop
OPO11:15 amPorto
$721
SWISS
Sep 3
OPO12:15 pmPorto
36h 15m
1 stop
LAX4:30 pmLos Angeles
Sep 18
LAX11:15 amLos Angeles
23h 15m
2 stops
OPO6:30 pmPorto
$745

momondo Fare Finder

 
Customize your flight search to find flights from Porto to Los Angeles 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 July 19, 2026.
Use the filters below to find and compare flights from Porto to Los Angeles that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Thu 9/3

10:00 pm-5:55 pm

1 stop27h 55m

Los Angeles

Fri 9/18

7:50 pm-8:00 am

1 stop28h 10m

$568

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Thu 9/3

1:45 pm-5:55 pm

1 stop36h 10m

Los Angeles

Sat 9/19

8:55 pm-8:00 am

1 stop27h 05m

$579

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Thu 9/3

10:00 pm-5:55 pm

1 stop27h 55m

Los Angeles

Sat 9/19

8:55 pm-8:00 am

1 stop27h 05m

$586

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Sat 8/29

8:20 am-4:05 pm

1 stop15h 45m

Los Angeles

Fri 9/11

3:50 pm-7:05 pm

1 stop19h 15m

$701

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Thu 8/27

7:00 am-4:05 pm

1 stop17h 05m

Los Angeles

Sun 9/6

5:50 pm-11:50 pm

1 stop22h 00m

$702

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Sat 8/29

12:25 pm-10:47 pm

2 stops18h 22m

Los Angeles

Fri 9/11

6:05 pm-7:05 pm

1 stop17h 00m

$706
Quickest round-trip

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Tue 9/1

8:20 am-4:05 pm

1 stop15h 45m

Los Angeles

Tue 9/8

5:50 pm-4:00 pm

1 stop14h 10m

$711

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Sun 9/20

8:20 am-4:05 pm

1 stop15h 45m

Los Angeles

Sat 9/26

5:50 pm-8:00 pm

1 stop18h 10m

$712

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Sun 9/20

8:20 am-4:05 pm

1 stop15h 45m

Los Angeles

Sat 9/26

5:50 pm-4:00 pm

1 stop14h 10m

$713

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

Fri 8/21

6:00 am-4:20 pm

1 stop18h 20m

Los Angeles

Sun 9/6

5:30 pm-11:25 pm

1 stop21h 55m

$716

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 Los Angeles from

How to get the cheapest flight ticket from Porto to Los Angeles

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 typical price of a round-trip flight between Porto and Los Angeles?

What is the cheapest month to fly to Los Angeles?

The month of May is, on average, the cheapest month to fly to Los Angeles from Porto, with most prices found around $646. If you aren’t able to travel during the month of May, then book flights to Los Angeles from Porto during April instead. Flights to Los Angeles in April, while not as cheap as those in May, still average around $767.

How have Porto to Los Angeles flight prices changed over time?

As of July 2026, prices for Porto to Los Angeles flights are approximately 5% cheaper when compared to flights at the same time last year.

When to book flights from Porto to Los Angeles

Are you open to changing your travel dates? Check out the ideal times to fly from Porto to Los Angeles according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Porto to Los Angeles (OPO to LAX) flight deals and tips

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

Fastest flight time

15h 45m

Direct flights

None
The fastest flight from Porto to Los Angeles takes 15h 45m
There are no direct flights from Porto to Los Angeles. There are no popular flight routes from Porto to Los Angeles.
Search flight deals

Frequently asked questions about flying from Porto to Los Angeles

  • How far is Porto to Los Angeles by plane?

    Los Angeles is 5584.8 mi away from Porto. Typically, this will take 15h 45m by plane in normal conditions.

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

    Prices for flights from Porto Airport to Los Angeles Airport refresh daily.

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

  • How old do you have to be to fly from Porto Airport to Los Angeles 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 Porto Airport to Los Angeles Airport.

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

    The required travel and health documents for your Los Angeles Airport 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 Los Angeles Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Porto to Los Angeles?

Best airlines flying from Porto to Los Angeles

Compare and see reviews for airlines that fly from Porto to Los Angeles with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom $634Free CancellationRating
7.2
2,340 reviews
Search TAP AIR PORTUGAL flights

Traveling to a place near Los Angeles?

Book flights to Los Angeles if you plan to visit one of these locations
Avalon
Laguna Beach
Big Bear Lake
Carlsbad
Temecula
Riverside
Oceanside
Big Bear
Inglewood
San Clemente
Malibu
Pasadena
Newport Beach
Orange
Ventura
Huntington Beach
Buena Park
Irvine
West Hollywood
Rancho Cucamonga

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Los Angeles from Porto.

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

Flights from Porto to Los Angeles with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Porto to Los Angeles?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Porto to Los Angeles.

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

If you are not ready to book a flight from Porto to Los Angeles now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Los Angeles and let you know when they change.

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