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.

What are the most popular airlines that fly from Los Angeles to Porto?

When booking a flight from Los Angeles to Porto, you may want to consider flying on LEVEL, American Airlines or Air France as they are the most popular for this route.

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.

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.

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.

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

Travelers have found that booking a Tuesday departure is the best way to save up to 27% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 41 days in advance, which can save you up to 11% on flights from Los Angeles to Porto compared to booking the week you need them. Waiting 41 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $741. For sooner than that we have options available in the next 3 days from $1,456.

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

The best pricing can be found in the month of February. Prices to Porto from Los Angeles average $949. You can even find prices in February for less than $949, as users have found deals to Porto from as low as $458. The month of December appears to be one of the more expensive times to travel to Porto from Los Angeles. Flying in the targeted month can save you up to 23%.

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.

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.

$277+ Flights from Los Angeles to Porto - Compare & Save Big

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Los Angeles to Porto with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

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.

Search Deals

Provider most trusted by Cheapflights users for Los Angeles-Porto flights.

Search Deals

From Los Angeles to Porto

Search Deals

One-way flight from Los Angeles to Porto

Search Deals

High demand for flights, 3% potential price rise

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

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.

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

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

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

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

Mon 9/227:35 pmLAX - OPO

1 stop31h 55mSWISS

Thu 10/98:40 amOPO - LAX

1 stop15h 50mSWISS

Deal found 5/12

$760

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

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

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

Wed 7/25:30 pmLAX - OPO

1 stop21h 50mLufthansa

Tue 7/156:15 amOPO - LAX

1 stop17h 00mLufthansa

Deal found 5/13

$931

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

Best flights from Los Angeles to Porto
Discover carefully curated flight deals from Los Angeles to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 14, 2025.

Tue 6/102:23 pmLAX - OPO

2 stops58h 32mMultiple Airlines

Sun 6/156:00 amOPO - LAX

1 stop21h 05mMultiple Airlines

Deal found 5/13

$726

Tue 7/2910:30 pmLAX - OPO

1 stop26h 50mAir Canada

Tue 9/96:00 amOPO - LAX

2 stops23h 35mAir Canada

Deal found 5/12

$733

Tue 5/204:05 pmLAX - OPO

1 stop35h 50mAir Transat

Thu 6/121:30 pmOPO - LAX

1 stop31h 35mAir Transat

Deal found 5/12

$858

Wed 7/27:35 pmLAX - OPO

1 stop14h 55mSWISS

Fri 7/118:40 amOPO - LAX

1 stop15h 50mSWISS

Deal found 5/13

$925

Sat 7/124:40 pmLAX - OPO

1 stop22h 35mTAP AIR PORTUGAL

Sun 8/107:00 amOPO - LAX

1 stop15h 25mTAP AIR PORTUGAL

Deal found 5/13

$928

Wed 7/26:00 amLAX - OPO

2 stops17h 35mAmerican Airlines

Fri 7/118:15 amOPO - LAX

2 stops19h 54mAmerican Airlines

Deal found 5/13

$931

Thu 7/178:20 amLAX - OPO

1 stop14h 45mUnited Airlines

Thu 7/2412:10 pmOPO - LAX

1 stop17h 25mUnited Airlines

Deal found 5/13

$966

Sat 5/247:30 pmLAX - OPO

1 stop31h 40mScandinavian Airlines

Wed 6/1112:15 pmOPO - LAX

1 stop36h 05mScandinavian Airlines

Deal found 5/12

$974

Last-minute flights from Los Angeles to Porto
Discover last-minute flight deals from Los Angeles to Porto. Data last updated May 14, 2025 and is based on user searches.

Tue 5/203:15 pmLAX - OPO

2 stops40h 00mITA Airways

Sat 5/317:35 amOPO - LAX

2 stops37h 40mITA Airways

Deal found 5/13

$7,118

Thu 5/223:48 pmLAX - OPO

2 stops35h 57mMultiple Airlines

Thu 6/56:45 amOPO - LAX

1 stop20h 20mMultiple Airlines

Deal found 5/13

$791

Thu 5/223:40 pmLAX - OPO

2 stops42h 50mAir Canada

Thu 6/512:10 pmOPO - LAX

2 stops55h 02mAir Canada

Deal found 5/13

$1,900

Wed 5/283:15 pmLAX - OPO

2 stops20h 05mITA Airways

Thu 6/267:35 amOPO - LAX

2 stops37h 40mITA Airways

Deal found 5/14

$1,467

Sun 6/17:55 pmLAX - OPO

1 stop35h 55mTurkish Airlines

Wed 6/1810:50 amOPO - LAX

1 stop32h 55mTurkish Airlines

Deal found 5/13

$1,219

Sun 6/14:40 pmLAX - OPO

1 stop14h 40mTAP AIR PORTUGAL

Wed 6/1811:00 amOPO - LAX

2 stops29h 56mTAP AIR PORTUGAL

Deal found 5/13

$1,230

Fri 6/64:35 pmLAX - OPO

1 stop15h 40mIberia

Sun 6/1510:00 pmOPO - LAX

1 stop28h 10mIberia

Deal found 5/13

$1,151

Mon 6/96:00 amLAX - OPO

2 stops17h 35mAmerican Airlines

Fri 8/18:15 amOPO - LAX

1 stop15h 50mAmerican Airlines

Deal found 5/13

$1,236

Tue 6/102:23 pmLAX - OPO

2 stops58h 32mMultiple Airlines

Sun 6/156:00 amOPO - LAX

1 stop21h 05mMultiple Airlines

Deal found 5/13

$726

Tue 6/105:30 pmLAX - OPO

1 stop21h 50mLufthansa

Tue 6/1712:05 pmOPO - LAX

2 stops18h 47mLufthansa

Deal found 5/13

$1,308

Wed 6/1812:55 pmLAX - OPO

2 stops21h 35mSWISS

Mon 6/307:20 pmOPO - LAX

1 stop29h 10mSWISS

Deal found 5/13

$1,117

Wed 6/252:00 pmLAX - OPO

1 stop13h 55mAir Transat

Mon 7/71:30 pmOPO - LAX

1 stop31h 30mAir Transat

Deal found 5/14

$1,015

One-way flights from Los Angeles to Porto
Search for one-way flight options from Los Angeles to Porto. Find affordable one-way fares based on user searches. Data last updated May 14, 2025.

Thu 7/171:00 pmLAX - OPO

2 stops48h 00mMultiple Airlines

Deal found 5/13

$282

Mon 10/67:50 pmLAX - OPO

1 stop17h 30mIberia

Deal found 5/13

$360

Sun 8/104:40 pmLAX - OPO

1 stop19h 45mTAP AIR PORTUGAL

Deal found 5/13

$396

Wed 8/137:50 pmLAX - OPO

1 stop17h 30mVueling

Deal found 5/13

$412

Sun 5/251:10 pmLAX - OPO

1 stop14h 35mAir Transat

Deal found 5/13

$518

Sun 8/107:34 pmLAX - OPO

2 stops30h 01mAir Canada

Deal found 5/13

$538

Mon 5/267:30 pmLAX - OPO

1 stop31h 30mScandinavian Airlines

Deal found 5/13

$567

Tue 8/1212:56 amLAX - OPO

2 stops21h 09mUnited Airlines

Deal found 5/13

$583

Wed 9/1712:10 amLAX - OPO

1 stop25h 35mTurkish Airlines

Deal found 5/13

$767

Wed 5/213:15 pmLAX - OPO

2 stops20h 05mITA Airways

Deal found 5/13

$913

Thu 9/252:55 pmLAX - OPO

1 stop23h 50mLufthansa

Deal found 5/13

$2,199

Thu 9/252:55 pmLAX - OPO

2 stops17h 05mBrussels Airlines

Deal found 5/13

$2,231

Cheapflights Fare Finder

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 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

Compare providers for flights from Los Angeles to Porto

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.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
FareScan	Price 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?

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?

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?

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

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

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

Air Transat

7.8

Good

387 reviews

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.

Air Transat

7.8

Good

387 reviews

Air Transat

7.8

Good

387 reviews

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.

SWISS

7.5

Good

1,593 reviews

Air Transat

7.8

Good

387 reviews

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.

United Airlines

7.4

Good

8,726 reviews

Air Transat

7.8

Good

387 reviews

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.

Turkish Airlines

7.3

Good

3,797 reviews

Air Transat

7.8

Good

387 reviews

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.

Scandinavian Airlines

7.3

Good

1,360 reviews

Air Transat

7.8

Good

387 reviews

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

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?
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 $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?
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 $1,060). 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

Aveiro

Coimbra

Matosinhos

Arcos de Valdevez

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Los Angeles to Porto

San Francisco to Lisbon flights

Los Angeles to Lisbon flights

San Diego to Lisbon flights

San Francisco to Porto flights

San Jose to Lisbon flights

Santa Ana to Lisbon flights

Ontario to Lisbon flights

Sacramento to Lisbon flights

Las Vegas to Lisbon flights

San Francisco to Lajes flights

San Francisco to Faro flights

San Diego to Porto flights

Los Angeles to Faro flights

Los Angeles to Funchal flights

Oakland to Lisbon flights

Ontario to Porto flights

San Francisco to Ponta Delgada flights

San Francisco to Funchal flights

San Jose to Porto flights

Reno to Lisbon flights

Santa Rosa to Lisbon flights

San Jose to Faro flights

Sacramento to Porto flights

Burbank to Lisbon flights

Los Angeles to Ponta Delgada flights

Santa Ana to Porto flights

Monterey to Lisbon flights

San Francisco to Horta flights

Oakland to Porto flights

San Francisco to Velas flights

San Jose to Ponta Delgada flights

Ontario to Faro flights

San Jose to Funchal flights

San Diego to Ponta Delgada flights

San Diego to Faro flights

Los Angeles to Lajes flights

Fresno to Lisbon flights

Ontario to Ponta Delgada flights

Santa Ana to Faro flights

Palm Springs to Lisbon flights

San Jose to Lajes flights

Los Angeles to Pico Island flights

Burbank to Porto flights

Las Vegas to Faro flights

San Francisco to Pico Island flights

Long Beach to Faro flights

Burbank to Faro flights

Long Beach to Lisbon flights

Other flights to Porto

Top 10 airlines flying from Los Angeles to Porto

Airline	Cheapest	Average	Flexibility	On-time
LEVEL	Cheapest$421	Average$610	FlexibilityNo cancel fee	On-timeN/A
Vueling	Cheapest$502	Average$771	FlexibilityNo cancel fee	On-time88%
SWISS	Cheapest$636	Average$966	FlexibilityNo cancel fee	On-time79%
American Airlines	Cheapest$663	Average$954	FlexibilityNo cancel fee	On-time71%
Iberia	Cheapest$664	Average$994	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$682	Average$1,048	FlexibilityNo cancel fee	On-time75%
Turkish Airlines	Cheapest$688	Average$780	FlexibilityNo cancel fee	On-time77%
Air France	Cheapest$690	Average$999	FlexibilityNo cancel fee	On-time77%
TAP AIR PORTUGAL	Cheapest$714	Average$971	FlexibilityNo cancel fee	On-timeN/A
Lufthansa	Cheapest$760	Average$1,060	FlexibilityNo cancel fee	On-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$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.

Find cheap flights from Los Angeles to Porto with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Los Angeles to Porto

Cheapest flights from Los Angeles to PortoExplore 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.

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.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Los Angeles to Porto that are best for you.

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.

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.

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.

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

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.

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.

Rainfall in Porto by month

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

Temperature in Porto by month

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

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.

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?

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

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?

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

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?

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

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

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

Traveling to a place near Los Angeles?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Los Angeles to Porto

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Los Angeles to Porto

100% Free

Book with Flexibility

Travel Smart

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.