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$334+ Cheap flights from Louisiana 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — OPO
Jun 28 — Jul 51
Sat 6/28
Sat 7/5
1 adult, Economy
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Cheap flight deals from Louisiana to Porto

Keep the following information in mind while searching for Louisiana to Porto flight deals. Data was last updated June 23, 2025.

Round-trip from

$607
(American Airlines)

One-way from

$334
(Mytrip)

Popular in

April

Cheapest in

February

Average price

$1,343
From Louisiana to Porto
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One-way flight from Louisiana to Porto
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Highest demand for flights based on searches. 20% potential increase in price ($279 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($84 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Louisiana to Porto

Cheapest flights from Louisiana to Porto
Explore the most affordable flight options available from Louisiana to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2025.

This American Airlines deal was found by Cheapflights users on 6/21. 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 11/41:29 pmMSY - OPO
2 stops16h 16mAmerican Airlines
Thu 11/138:20 amOPO - MSY
2 stops20h 30mAmerican Airlines
Deal found 6/21$607
This Lufthansa deal was found by Cheapflights users on 6/21. 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.
Tue 11/42:15 pmMSY - OPO
2 stops18h 30mMultiple Airlines
Thu 11/1312:35 pmOPO - MSY
1 stop17h 09mMultiple Airlines
Deal found 6/21$818
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Thu 7/247:00 amMSY - OPO
2 stops18h 05mUnited Airlines
Sat 8/26:00 amOPO - MSY
2 stops37h 30mUnited Airlines
Deal found 6/23$1,083
This KAYAK deal was found by Cheapflights users on 6/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/411:20 amMSY - OPO
1 stop18h 30mTAP AIR PORTUGAL
Thu 11/136:35 pmOPO - MSY
1 stop35h 09mTAP AIR PORTUGAL
Deal found 6/21$1,180
This KAYAK deal was found by Cheapflights users on 6/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/247:00 amMSY - OPO
2 stops45h 05mTurkish Airlines
Sun 6/294:05 pmOPO - MSY
2 stops30h 08mTurkish Airlines
Deal found 6/22$1,866
This FlightHub deal was found by Cheapflights users on 6/21. 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.
Tue 6/245:45 pmMSY - OPO
2 stops33h 35mAir Canada
Sun 6/2911:20 amOPO - MSY
2 stops32h 00mAir Canada
Deal found 6/21$1,909
This Cheapflightsfares deal was found by Cheapflights users on 6/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/152:16 pmMSY - OPO
2 stops27h 04mLufthansa
Fri 8/296:00 amOPO - MSY
2 stops19h 13mLufthansa
Deal found 6/22$12,426

Cheapflights Fare Finder

Customize your flight search to find flights from Louisiana 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 June 23, 2025.
Use the filters below to find and compare flights from Louisiana to Porto that are best for you.

Fly from

Louisiana

Fly to

Porto

Route

Depart

Return

Price

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Thu 7/24

7:00 am-7:05 am

2 stops18h 05m

Porto

Sat 8/2

6:00 am-1:30 pm

2 stops37h 30m

$1,083

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Thu 7/24

9:00 am-5:00 pm

3 stops26h 00m

Porto

Sat 8/2

5:40 pm-3:08 pm

2 stops27h 28m

$1,217

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Fri 8/15

2:16 pm-11:20 pm

2 stops27h 04m

Porto

Fri 8/29

6:00 am-7:13 pm

2 stops19h 13m

$12,426

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sun 8/31

1:05 pm-10:35 pm

2 stops27h 30m

$334

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sat 7/26

7:18 pm-9:35 am

2 stops56h 17m

$601

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sat 7/26

6:00 am-10:30 am

1 stop22h 30m

$1,057

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

Best time to book a flight from Louisiana to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Louisiana 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 Louisiana to Porto

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

Find hourly flight availability from Louisiana 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 June 23, 2025.

When flying from Louisiana to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 June 23, 2025.
United Airlines
7.4
Good
8,831 reviews

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.0

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,831 reviews
United Airlines
7.4
Good
8,831 reviews

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.0

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,831 reviews

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.0

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,605 reviews
United Airlines
7.4
Good
8,831 reviews

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.0

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
TAP AIR PORTUGAL
7.1
Good
1,900 reviews
United Airlines
7.4
Good
8,831 reviews

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.0

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,184 reviews
United Airlines
7.4
Good
8,831 reviews

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.0

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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

  • What airport do you fly into for flights to Porto from Louisiana?

    For a flight from Louisiana to Porto, you will be flying into Porto. Porto (OPO) is just 6.8 mi from the center of the city.

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

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

  • How can I find direct flights from Louisiana to Porto?

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

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

    Yes. Cheapflights offers flight deals from Louisiana 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 Louisiana to Porto?

    Currently, January is the cheapest month in which you can book a flight from Louisiana to Porto (average of $523). Flying from Louisiana to Porto in June is currently the most expensive (average of $1,040). 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 Louisiana?

Book flights to Louisiana if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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Alternative routes for Louisiana to Porto

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Top airline flying from Louisiana to Porto

Discover the top airline that operate flights from Louisiana 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 June 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$592Average$895FlexibilityNo cancel feeOn-time69%

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