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Cheap flights from Los Angeles to Porto from $301

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 1/8. 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.
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
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Thu, Jan 8 - Thu, Jan 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
Thu, Jan 15 - Wed, Jan 28
Multiple Airlines Logo
7:10 pm - 11:10 amLAX-OPO
32h 00m1 stop
Multiple Airlines Logo
12:30 pm - 9:10 pmOPO-LAX
40h 40m2 stops
$454Multiple Airlines
Find Deal
Thu, Jan 15 - Wed, Jan 28
Multiple Airlines Logo
8:30 am - 12:05 pmLAX-OPO
19h 35m2 stops
Multiple Airlines Logo
12:05 pm - 4:35 pmOPO-LAX
36h 30m1 stop
$459Multiple Airlines
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Wed, Jan 14 - Thu, Jan 22
Multiple Airlines Logo
7:10 pm - 6:30 pmLAX-OPO
15h 20m1 stop
Multiple Airlines Logo
2:05 pm - 3:15 pmOPO-LAX
33h 10m1 stop
$460Multiple Airlines
Find Deal
Thu, Jan 8 - Thu, Jan 22
SWISS Logo
7:10 pm - 11:15 amLAX-OPO
32h 05m1 stop
SWISS Logo
11:25 am - 4:35 pmOPO-LAX
37h 10m1 stop
$463SWISS
Find Deal
Tue, Jan 27 - Tue, Feb 3
SWISS Logo
7:10 pm - 11:10 amLAX-OPO
32h 00m1 stop
SWISS Logo
12:10 pm - 4:35 pmOPO-LAX
36h 25m1 stop
$472SWISS
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Thu, Jan 15 - Wed, Jan 28
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
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Thu, Feb 26 - Mon, Mar 2
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
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Wed, Feb 11 - Wed, 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
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Thu, Jan 29 - Sun, Feb 8

Air Canada flights from Los Angeles to Porto

Our best Air Canada deals on Los Angeles 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
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United Airlines flights from Los Angeles to Porto

Our best United Airlines deals on Los Angeles to Porto flight tickets
United Airlines
Jan 7
LAX12:30 amLos Angeles
27h 10m
2 stops
OPO11:40 amPorto
Jan 15
OPO6:00 amPorto
36h 32m
2 stops
LAX10:32 amLos Angeles
$499
Find similar
United Airlines
Jan 30
LAX8:40 amLos Angeles
19h 00m
2 stops
OPO11:40 amPorto
Feb 2
OPO12:30 pmPorto
28h 33m
2 stops
LAX9:03 amLos Angeles
$502
Find similar
United Airlines
Jan 24
LAX12:30 amLos Angeles
27h 10m
2 stops
OPO11:40 amPorto
Feb 8
OPO12:30 pmPorto
32h 35m
1 stop
LAX1:05 pmLos Angeles
$513
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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 November 26, 2025.
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

Thu 1/8

7:10 pm-6:30 pm

1 stop15h 20m

Porto

Thu 1/22

6:00 am-9:10 pm

2 stops23h 10m

$437

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Thu 1/15

7:10 pm-11:10 am

1 stop32h 00m

Porto

Wed 1/28

12:10 pm-4:35 pm

1 stop36h 25m

$442

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Thu 1/15

7:10 pm-11:10 am

1 stop32h 00m

Porto

Wed 1/28

12:30 pm-9:10 pm

2 stops40h 40m

$454

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Wed 1/14

8:30 am-12:05 pm

2 stops19h 35m

Porto

Thu 1/22

12:05 pm-4:35 pm

1 stop36h 30m

$459

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Thu 1/8

7:10 pm-6:30 pm

1 stop15h 20m

Porto

Thu 1/22

2:05 pm-3:15 pm

1 stop33h 10m

$460

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Tue 1/27

7:10 pm-11:15 am

1 stop32h 05m

Porto

Tue 2/3

11:25 am-4:35 pm

1 stop37h 10m

$463

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Thu 1/15

7:10 pm-11:10 am

1 stop32h 00m

Porto

Wed 1/28

12:10 pm-4:35 pm

1 stop36h 25m

$472

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Thu 2/26

6:20 pm-10:30 am

1 stop32h 10m

Porto

Mon 3/2

11:15 am-11:45 am

1 stop32h 30m

$475

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Wed 2/11

1:45 pm-7:20 pm

1 stop21h 35m

Porto

Wed 2/18

5:00 am-11:45 am

1 stop14h 45m

$476

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Thu 1/29

3:25 pm-10:30 am

1 stop35h 05m

Porto

Sun 2/8

11:15 am-11:45 am

1 stop32h 30m

$478

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 February is, on average, the cheapest month to fly to Porto from Los Angeles, with most prices found around $643. If you aren’t able to travel during the month of February, then book flights to Porto from Los Angeles 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 Los Angeles 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 Los Angeles 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 Los Angeles 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 Los Angeles for as low as $767 on momondo.

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

As of November 2025, prices for Los Angeles to Porto flights are approximately 52% 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.
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  • 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 15h 20m.

  • 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
British AirwaysPriceFrom $533Free CancellationRating
6.7
7,539 reviews
Search British Airways flights
IberiaPriceFrom $545Free CancellationRating
7.0
3,034 reviews
Search Iberia flights
LufthansaPriceFrom $550Free CancellationRating
6.8
7,594 reviews
Search Lufthansa flights
American AirlinesPriceFrom $574Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
TAP AIR PORTUGALPriceFrom $575Free CancellationRating
7.1
2,074 reviews
Search TAP AIR PORTUGAL flights
SWISSPriceFrom $610Free CancellationRating
7.5
1,794 reviews
Search SWISS flights
United AirlinesPriceFrom $667Free CancellationRating
7.4
9,046 reviews
Search United Airlines flights
Air CanadaPriceFrom $685Free CancellationRating
7.1
10,476 reviews
Search Air Canada flights
DeltaPriceFrom $699Free CancellationRating
7.9
7,998 reviews
Search Delta 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 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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