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Cheap flights from Los Angeles to Porto from $236

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Los Angeles to Porto departing on 4/20. 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

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Find the cheapest flights from Los Angeles to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
SWISS Logo
7:10 pm - 11:15 am
LAX
-
OPO
32h 05m
1 stop
SWISS Logo
7:25 pm - 4:35 pm
OPO
-
LAX
29h 10m
1 stop
$417SWISS
Tue, Feb 17 - Thu, Feb 26
SWISS Logo
7:10 pm - 11:15 am
LAX
-
OPO
32h 05m
1 stop
SWISS Logo
12:05 pm - 4:35 pm
OPO
-
LAX
36h 30m
1 stop
$418SWISS
Sun, Feb 8 - Tue, Feb 24
Multiple Airlines Logo
7:30 am - 9:30 am
LAX
-
OPO
18h 00m
1 stop
Multiple Airlines Logo
12:35 pm - 10:59 pm
OPO
-
LAX
17h 24m
1 stop
$433Multiple Airlines
Mon, Mar 2 - Wed, Mar 18
Multiple Airlines Logo
5:30 pm - 11:25 pm
LAX
-
OPO
21h 55m
1 stop
Multiple Airlines Logo
8:40 am - 9:34 pm
OPO
-
LAX
20h 54m
2 stops
$436Multiple Airlines
Sun, Apr 26 - Tue, May 5
United Airlines Logo
7:00 am - 9:30 am
LAX
-
OPO
18h 30m
2 stops
United Airlines Logo
12:35 pm - 1:09 am
OPO
-
LAX
19h 34m
2 stops
$437United Airlines
Mon, Mar 2 - Wed, Mar 18
British Airways Logo
5:30 pm - 5:45 pm
LAX
-
OPO
16h 15m
1 stop
British Airways Logo
8:20 am - 4:35 pm
OPO
-
LAX
16h 15m
1 stop
$438British Airways
Tue, Feb 10 - Fri, Mar 6
United Airlines Logo
12:25 pm - 9:30 am
LAX
-
OPO
13h 05m
1 stop
United Airlines Logo
12:35 pm - 9:29 pm
OPO
-
LAX
15h 54m
1 stop
$439United Airlines
Mon, Mar 2 - Wed, Mar 18
Multiple Airlines Logo
5:30 pm - 11:25 pm
LAX
-
OPO
21h 55m
1 stop
Multiple Airlines Logo
8:40 am - 9:34 pm
OPO
-
LAX
20h 54m
2 stops
$440Multiple Airlines
Mon, Apr 27 - Tue, May 5
British Airways Logo
11:50 pm - 5:45 pm
LAX
-
OPO
33h 55m
2 stops
British Airways Logo
8:20 am - 5:35 pm
OPO
-
LAX
16h 15m
1 stop
$442British Airways
Mon, Feb 9 - Wed, Mar 11
Multiple Airlines Logo
7:10 pm - 6:35 pm
LAX
-
OPO
15h 25m
1 stop
Multiple Airlines Logo
6:00 am - 9:24 pm
OPO
-
LAX
23h 24m
2 stops
$443Multiple Airlines
Wed, Feb 11 - Wed, Feb 18

SWISS flights from Los Angeles to Porto

Our best SWISS deals on Los Angeles to Porto flight tickets
SWISS
Feb 17
LAX7:10 pmLos Angeles
32h 05m
1 stop
OPO11:15 amPorto
Feb 26
OPO7:25 pmPorto
29h 10m
1 stop
LAX4:35 pmLos Angeles
$441
SWISS
Feb 17
LAX7:10 pmLos Angeles
32h 05m
1 stop
OPO11:15 amPorto
Feb 26
OPO12:05 pmPorto
36h 30m
1 stop
LAX4:35 pmLos Angeles
$454
SWISS
Feb 8
LAX7:10 pmLos Angeles
32h 05m
1 stop
OPO11:15 amPorto
Mar 12
OPO7:25 pmPorto
29h 10m
1 stop
LAX5:35 pmLos Angeles
$455

Iberia flights from Los Angeles to Porto

Our best Iberia deals on Los Angeles to Porto flight tickets
Iberia
Jan 28
LAX6:10 pmLos Angeles
13h 50m
1 stop
OPO4:00 pmPorto
Feb 6
OPO8:20 amPorto
16h 15m
1 stop
LAX4:35 pmLos Angeles
$446
Iberia
Jan 21
LAX6:10 pmLos Angeles
13h 50m
1 stop
OPO4:00 pmPorto
Feb 3
OPO12:25 pmPorto
20h 06m
2 stops
LAX12:31 amLos Angeles
$456
Iberia
Jan 21
LAX6:15 amLos Angeles
17h 25m
2 stops
OPO7:40 amPorto
Feb 3
OPO12:25 pmPorto
20h 06m
2 stops
LAX12:31 amLos Angeles
$461

momondo Fare Finder

 
Customize your flight search to find flights from Los Angeles 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 January 14, 2026.
Use the filters below to find and compare flights from Los Angeles to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Tue 2/17

7:10 pm-11:15 am

1 stop32h 05m

Porto

Thu 2/26

7:25 pm-4:35 pm

1 stop29h 10m

$417

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Sun 2/8

7:10 pm-11:15 am

1 stop32h 05m

Porto

Tue 2/24

12:05 pm-4:35 pm

1 stop36h 30m

$418

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Mon 3/2

7:30 am-9:30 am

1 stop18h 00m

Porto

Wed 3/18

12:35 pm-10:59 pm

1 stop17h 24m

$433

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Sun 4/26

5:30 pm-11:25 pm

1 stop21h 55m

Porto

Tue 5/5

8:40 am-9:34 pm

2 stops20h 54m

$436

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Mon 3/2

7:00 am-9:30 am

2 stops18h 30m

Porto

Wed 3/18

12:35 pm-1:09 am

2 stops19h 34m

$437

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Tue 2/10

5:30 pm-5:45 pm

1 stop16h 15m

Porto

Fri 3/6

8:20 am-4:35 pm

1 stop16h 15m

$438

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Mon 3/2

12:25 pm-9:30 am

1 stop13h 05m

Porto

Wed 3/18

12:35 pm-9:29 pm

1 stop15h 54m

$439

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Mon 4/27

5:30 pm-11:25 pm

1 stop21h 55m

Porto

Tue 5/5

8:40 am-9:34 pm

2 stops20h 54m

$440

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Mon 2/9

11:50 pm-5:45 pm

2 stops33h 55m

Porto

Wed 3/11

8:20 am-5:35 pm

1 stop16h 15m

$442

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Wed 2/11

7:10 pm-6:35 pm

1 stop15h 25m

Porto

Wed 2/18

6:00 am-9:24 pm

2 stops23h 24m

$443

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 Porto from

How to get the cheapest flight ticket from Los Angeles 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 January is, on average, the cheapest month to fly to Porto from Los Angeles, with most prices found around $627. If you aren’t able to travel during the month of January, then book flights to Porto from Los Angeles during February instead. Flights to Porto in February, while not as cheap as those in January, still average around $666.

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

You are more likely to see cheaper flights to Porto from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $876 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Los Angeles for as low as $737 on momondo.

Can stopping save me money on Los Angeles to Porto flights?

You could potentially save up to 4% on your flight if you consider stops on a Los Angeles to Porto flight.

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

As of January 2026, prices for Los Angeles to Porto flights are approximately 36% more expensive when compared to flights at the same time last year.

When to book flights from Los Angeles to Porto

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

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

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

Fastest flight time

14h 55m

Direct flights

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

  • How far is Los Angeles to Porto by plane?

    Los Angeles and Porto are 5584.8 mi apart from one another. By plane, this route typically takes 14h 55m.

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

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

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

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

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

Best airlines flying from Los Angeles to Porto

Compare and see reviews for airlines that fly from Los Angeles to Porto with momondo
Airline
Rating
Free Cancellation
Price
LEVELPriceFrom $388Free CancellationRating
0.0
Search LEVEL flights
KLMPriceFrom $476Free CancellationRating
7.7
1,439 reviews
Search KLM flights
DeltaPriceFrom $484Free CancellationRating
7.9
8,048 reviews
Search Delta flights
British AirwaysPriceFrom $533Free CancellationRating
6.7
7,676 reviews
Search British Airways flights
IberiaPriceFrom $545Free CancellationRating
7.0
3,087 reviews
Search Iberia flights
LufthansaPriceFrom $550Free CancellationRating
6.8
7,715 reviews
Search Lufthansa flights
American AirlinesPriceFrom $574Free CancellationRating
7.2
11,129 reviews
Search American Airlines flights
TAP AIR PORTUGALPriceFrom $575Free CancellationRating
7.1
2,121 reviews
Search TAP AIR PORTUGAL flights
United AirlinesPriceFrom $593Free CancellationRating
7.4
9,163 reviews
Search United Airlines flights
SWISSPriceFrom $610Free CancellationRating
7.5
1,847 reviews
Search SWISS 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
Braga
Matosinhos
Aveiro
Esposende
Lamego
Guimarães
Chaves
Espinho
Pinhao
Arcos de Valdevez
Ponte de Lima
Viseu
Curia
Penafiel
Mesao Frio
Mira
Baiao

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to Porto from Los Angeles with this policy.

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

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 Porto from Los Angeles.

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

Yes momondo offers price alerts on flights to Porto from Los Angeles. 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

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