Porto

$277+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — OPO
May 19 — May 261
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Find cheap flights from Los Angeles to Porto with Cheapflights

1. Tell us where you want to go

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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 May 14, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$726
(Kiwi.com)

One-way from

$282
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,032
Provider with most accurate pricing for Los Angeles-Porto flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Porto flights.
From Los Angeles to Porto
One-way flight from Los Angeles to Porto
High demand for flights, 3% potential price rise
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Average for round-trip flights in May 2025

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 May 14, 2025.

This Norse deal was found by Cheapflights users on 5/13. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/44:30 pmLAX - OPO
1 stop31h 15mMultiple Airlines
Sun 9/146:30 amOPO - LAX
1 stop15h 40mMultiple Airlines
Deal found 5/13$725
This Air Canada deal was found by Cheapflights users on 5/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2110:30 pmLAX - OPO
1 stop27h 05mAir Canada
Thu 10/96:00 amOPO - LAX
2 stops23h 35mAir Canada
Deal found 5/12$733
This FlightHub deal was found by Cheapflights users on 5/12. 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.
Fri 9/194:40 pmLAX - OPO
1 stop14h 15mTAP AIR PORTUGAL
Thu 10/99:15 pmOPO - LAX
1 stop25h 20mTAP AIR PORTUGAL
Deal found 5/12$745
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Sun 9/2110:30 pmLAX - OPO
1 stop27h 05mUnited Airlines
Wed 10/86:00 amOPO - LAX
1 stop18h 55mUnited Airlines
Deal found 5/12$747
This SWISS deal was found by Cheapflights users on 5/12. 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.
Mon 9/227:35 pmLAX - OPO
1 stop31h 55mSWISS
Thu 10/98:40 amOPO - LAX
1 stop15h 50mSWISS
Deal found 5/12$760
This American Airlines deal was found by Cheapflights users on 5/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/305:50 pmLAX - OPO
1 stop18h 05mAmerican Airlines
Fri 10/178:15 amOPO - LAX
2 stops20h 39mAmerican Airlines
Deal found 5/13$762
This Austrian Airlines deal was found by Cheapflights users on 5/12. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/203:05 pmLAX - OPO
1 stop18h 40mAustrian Airlines
Mon 10/610:25 amOPO - LAX
1 stop34h 40mAustrian Airlines
Deal found 5/12$832
This oojo deal was found by Cheapflights users on 5/13. 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.
Fri 9/1912:10 amLAX - OPO
1 stop25h 35mTurkish Airlines
Wed 10/810:50 amOPO - LAX
1 stop19h 35mTurkish Airlines
Deal found 5/13$849
This Lufthansa deal was found by Cheapflights users on 5/13. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/25:30 pmLAX - OPO
1 stop21h 50mLufthansa
Tue 7/156:15 amOPO - LAX
1 stop17h 00mLufthansa
Deal found 5/13$931
This FlightHub deal was found by Cheapflights users on 5/13. 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.
Thu 9/112:00 pmLAX - OPO
1 stop13h 45mAir Transat
Sat 9/201:30 pmOPO - LAX
1 stop31h 30mAir Transat
Deal found 5/13$951

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 May 14, 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

Thu 9/4

4:30 pm-7:45 am

1 stop31h 15m

Porto

Sun 9/14

6:30 am-2:10 pm

1 stop15h 40m

$725

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Sun 9/21

7:30 pm-9:35 am

2 stops30h 05m

Porto

Wed 10/8

6:00 am-9:35 pm

2 stops23h 35m

$733

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Fri 9/19

4:40 pm-2:55 pm

1 stop14h 15m

Porto

Thu 10/9

9:15 pm-2:35 pm

1 stop25h 20m

$745

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Sun 9/21

10:30 pm-9:35 am

1 stop27h 05m

Porto

Wed 10/8

6:00 am-4:55 pm

1 stop18h 55m

$747

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Mon 9/22

7:35 pm-7:55 am

1 stop28h 20m

Porto

Mon 10/6

12:50 pm-4:30 pm

1 stop35h 40m

$760

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Tue 9/30

5:50 pm-7:55 pm

1 stop18h 05m

Porto

Fri 10/17

8:15 am-8:54 pm

2 stops20h 39m

$762

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Sun 9/21

2:55 pm-11:20 pm

2 stops24h 25m

Porto

Fri 10/10

6:15 am-3:15 pm

1 stop17h 00m

$791

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Sun 10/19

5:30 pm-12:40 pm

2 stops35h 10m

Porto

Sat 10/25

6:45 pm-2:05 pm

2 stops27h 20m

$803

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Mon 9/1

12:10 am-9:50 am

1 stop25h 40m

Porto

Tue 9/9

10:50 am-6:00 pm

1 stop39h 10m

$811

Los AngelesPorto

LAX - OPO

LAXOPO

Los Angeles

Mon 6/2

1:10 pm-11:55 am

1 stop14h 45m

Porto

Mon 6/16

1:30 pm-1:05 pm

1 stop31h 35m

$911

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 24 results
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Compare providers for flights from Los Angeles to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Los Angeles to Porto in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FareScanPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Los Angeles-Porto flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Los Angeles-Porto flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Los Angeles-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Los Angeles-Porto flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Los Angeles-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 May 9, 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 $1,060). 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 May 14, 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.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 May 14, 2025.

Entertainment

7.1

Food

6.8

Boarding

7.9

Crew

8.5

Comfort

7.4

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.

Entertainment

7.1

Food

6.8

Boarding

7.9

Crew

8.5

Comfort

7.4

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.

Entertainment

7.1

Food

6.8

Boarding

7.9

Crew

8.5

Comfort

7.4

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.

Entertainment

7.1

Food

6.8

Boarding

7.9

Crew

8.5

Comfort

7.4

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.

Entertainment

7.1

Food

6.8

Boarding

7.9

Crew

8.5

Comfort

7.4

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.

Entertainment

7.1

Food

6.8

Boarding

7.9

Crew

8.5

Comfort

7.4

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.

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 Air Canada. Our recent data shows that you can find tickets from as low as $733 on this airline. Additional options worth looking into are Air Transat and SWISS, starting at $858 and $925 round-trip. These flights start at 22% 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 $360. Users have also found prices from $396 and $412 on TAP AIR PORTUGAL and Vueling, respectively.

  • Where are the most common layover locations when flying 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 $25 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 $38 per day.

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

  • 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 $1,060). 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

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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 May 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$421Average$610FlexibilityNo cancel feeOn-timeN/A
VuelingCheapest$502Average$771FlexibilityNo cancel feeOn-time88%
SWISSCheapest$636Average$966FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$663Average$954FlexibilityNo cancel feeOn-time71%
IberiaCheapest$664Average$994FlexibilityNo cancel feeOn-time77%
KLMCheapest$682Average$1,048FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$688Average$780FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$690Average$999FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$714Average$971FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$760Average$1,060FlexibilityNo cancel feeOn-time76%

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