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$240+ Cheap flights from Los Angeles (LAX) to Porto (OPO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — OPO
ago. 2 — ago. 91
sáb. 8/2
sáb. 8/9
1 adult, Economy
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Cheapflights Tip: The best prices from Los Angeles to Porto are usually found in February or October, booked 86 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

Cheap flight deals from Los Angeles to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Los Angeles (LAX) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated julio 28, 2025.

Round-trip from

$486
(FlightHub)

One-way from

$240
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,107
From Los Angeles to Porto
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One-way flight from Los Angeles to Porto
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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Los Angeles to Porto

Cheapest flights from Los Angeles to Porto
Explore the most affordable flight options available from Los Angeles to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 28, 2025.

This FlightHub deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/297:30 pmLAX - OPO
1 stop31h 30mScandinavian Airlines
vie. 10/175:55 pmOPO - LAX
1 stop30h 25mScandinavian Airlines
Deal found 7/27$486
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/295:50 pmLAX - OPO
1 stop20h 35mMultiple Airlines
mié. 10/157:15 amOPO - LAX
1 stop16h 50mMultiple Airlines
Deal found 7/28$508
This oojo deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/305:45 pmLAX - OPO
1 stop17h 15mTAP AIR PORTUGAL
lun. 11/35:55 pmOPO - LAX
1 stop29h 05mTAP AIR PORTUGAL
Deal found 7/28$576
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/2812:30 pmLAX - OPO
1 stop14h 00mUnited Airlines
mié. 11/56:00 amOPO - LAX
2 stops26h 30mUnited Airlines
Deal found 7/26$590
This Iberia deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/47:50 pmLAX - OPO
1 stop17h 25mIberia
lun. 11/109:55 pmOPO - LAX
1 stop28h 10mIberia
Deal found 7/28$600
This SWISS deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/278:10 pmLAX - OPO
1 stop15h 25mSWISS
lun. 11/37:20 pmOPO - LAX
1 stop29h 15mSWISS
Deal found 7/28$603
This Booking.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/296:30 pmLAX - OPO
1 stop22h 15mLufthansa
sáb. 11/86:15 amOPO - LAX
1 stop17h 00mLufthansa
Deal found 7/26$637

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated julio 28, 2025.
Use the filters below to find and compare flights from Los Angeles to Porto that are best for you.

Fly from

Los Angeles

Fly to

Porto

Route

Depart

Return

Price

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

lun. 9/29

7:30 pm-11:00 am

1 stop31h 30m

Porto

vie. 10/17

5:55 pm-4:20 pm

1 stop30h 25m

$486

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

lun. 9/29

5:50 pm-10:25 pm

1 stop20h 35m

Porto

mié. 10/15

7:15 am-4:05 pm

1 stop16h 50m

$508

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

vie. 10/17

4:40 pm-9:05 am

2 stops32h 25m

$240

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

dom. 10/12

7:50 pm-9:20 pm

1 stop17h 30m

$307

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

dom. 8/10

10:30 pm-9:35 am

1 stop27h 05m

$376

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

dom. 8/31

10:30 pm-9:35 am

1 stop27h 05m

$393

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

vie. 10/10

4:40 pm-2:55 pm

1 stop14h 15m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Los Angeles to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Los Angeles with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Los Angeles to Porto

How far ahead should I book a flight from Los Angeles to Porto?

Use this chart to determine the optimal time to book a round-trip flight from Los Angeles to Porto. Price data was last updated on July 25, 2025.

Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Los Angeles to Porto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Los Angeles to Porto?

Currently, January is the cheapest month in which you can book a flight from Los Angeles to Porto (average of $523). Flying from Los Angeles to Porto in June is currently the most expensive (average of $1,033). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LAX to OPO?

Find hourly flight availability from Los Angeles to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 28, 2025.

A simple way to save on the total cost of your ticket is to fly from Los Angeles to Porto in the evening. If you’re flexible enough to do this you can expect to save up to 19% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Los Angeles to Porto?

Use this chart to determine the cheapest time to fly round-trip from Los Angeles to Porto. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Los Angeles to Porto flight should consider departing on Sunday evenings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated julio 28, 2025.
Read through reviews of airlines operating flights from Los Angeles to Porto, such as SWISS, United Airlines, and Scandinavian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.6
Good
1,679 reviews

Overall

7.6

Food

7.1

Boarding

7.7

Crew

8.2

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
SWISS
7.6
Good
1,679 reviews
SWISS
7.6
Good
1,679 reviews

Overall

7.6

Food

7.1

Boarding

7.7

Crew

8.2

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
United Airlines
7.4
Good
8,893 reviews
SWISS
7.6
Good
1,679 reviews

Overall

7.6

Food

7.1

Boarding

7.7

Crew

8.2

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Scandinavian Airlines
7.3
Good
1,446 reviews
SWISS
7.6
Good
1,679 reviews

Overall

7.6

Food

7.1

Boarding

7.7

Crew

8.2

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Air Canada
7.1
Good
9,813 reviews
SWISS
7.6
Good
1,679 reviews

Overall

7.6

Food

7.1

Boarding

7.7

Crew

8.2

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
TAP AIR PORTUGAL
7.1
Good
1,928 reviews
SWISS
7.6
Good
1,679 reviews

Overall

7.6

Food

7.1

Boarding

7.7

Crew

8.2

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Related info for your journey

Find useful and relevant information for your journey from Los Angeles to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Los Angeles to Porto round-trip?

    Our cheapest airline available from Los Angeles to Porto is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as $486 on this airline. Additional options worth looking into are TAP AIR PORTUGAL and United Airlines, starting at $576 and $590 round-trip. These flights start at 48% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Los Angeles to Porto one-way?

    For one-way options, check prices for Iberia. According to our data, you can fly for as low as $307. Users have also found prices from $376 and $393 on Air Canada and United Airlines, respectively.

  • Where are the most common layover locations when flying from Los Angeles to Porto?

    Los Angeles to Porto flights have a layover in Madrid most often. Paris is the second most popular location for layovers on flights from Los Angeles to Porto.

  • What are some popular things to do or see while on a layover in Madrid?

    Puerta del Sol, Plaza Mayor, and Spain Building are the most popular attractions in Madrid if you're in need of something to do during your layover. Puerta del Sol, Plaza Mayor and Spain Building are located about 8.4 mi, 8.6 mi, and 8.5 mi, respectively from Madrid Barajas if you are interested in checking them out. Travelers can book a car rental at Madrid Barajas for about $31 per day to make their sightseeing more efficient.

  • What are some popular points of interest to see during a layover in Paris?

    Paris travelers tend to visit Eiffel Tower, Champs-Elysées, and Louvre Museum more than any other notable places. Eiffel Tower, Champs-Elysées, and Louvre Museum can be visited by traveling about 15.8 mi, 14.7 mi, and 14.3 mi respectively from Paris Charles de Gaulle. Those looking to explore during their layover in Paris can rent a car from Paris Charles de Gaulle for about $46 per day.

  • Where are the least popular layover locations for Los Angeles to Porto flights?

    The least popular layover on flights from Los Angeles to Porto is Barcelona.

  • Can I find deals for flights from Los Angeles to Porto that include hotel bookings?

    Yes. In addition to deals on Los Angeles to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Los Angeles to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Los Angeles to Porto.

  • Can I find deals for business class flights from Los Angeles to Porto?

    Yes. Cheapflights offers flight deals from Los Angeles to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Los Angeles to Porto?

    Currently, January is the cheapest month in which you can book a flight from Los Angeles to Porto (average of $523). Flying from Los Angeles to Porto in June is currently the most expensive (average of $1,033). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos

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Top 10 airlines flying from Los Angeles to Porto

Discover the top 10 airlines that operate flights from Los Angeles to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$402Average$606FlexibilityNo cancel feeOn-timeN/A
VuelingCheapest$535Average$841FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$574Average$1,040FlexibilityNo cancel feeOn-time71%
IberiaCheapest$585Average$1,007FlexibilityNo cancel feeOn-time77%
SWISSCheapest$591Average$936FlexibilityNo cancel feeOn-time79%
TAP AIR PORTUGALCheapest$592Average$956FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$682Average$940FlexibilityNo cancel feeOn-time77%
KLMCheapest$682Average$1,045FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$685Average$771FlexibilityNo cancel feeOn-time67%
DeltaCheapest$699Average$1,050FlexibilityNo cancel feeOn-timeN/A

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