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$451+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — OPO
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$896
(United Airlines)

One-way from

$451
(United)

Popular in

July

Cheapest in

February

Average price

$574
Provider with most accurate pricing for New Orleans Louis Armstrong-Porto flight deals.
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Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Porto flights.
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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. 10% potential increase in price ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/20. 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 4/68:00 amMSY - OPO
2 stops21h 15mUnited Airlines
Sun 4/136:00 amOPO - MSY
2 stops34h 27mUnited Airlines
Deal found 2/20$896
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/217:00 amMSY - OPO
3 stops33h 05mMultiple Airlines
Sat 6/77:00 amOPO - MSY
3 stops42h 20mMultiple Airlines
Deal found 2/20$1,022
This Priceline deal was found by Cheapflights users on 2/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/218:00 amMSY - OPO
2 stops17h 35mIberia
Sat 6/712:20 pmOPO - MSY
2 stops17h 43mIberia
Deal found 2/20$1,327

Find flights from Louisiana to Porto within your budget

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 February 20, 2025.

Fly from

Louisiana

Fly to

Porto

Route

Depart

Return

Price

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sun 4/6

8:00 am-11:15 am

2 stops21h 15m

Porto

Sun 4/13

6:00 am-10:27 am

2 stops34h 27m

$896

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 5/21

7:00 am-10:05 pm

3 stops33h 05m

Porto

Sat 6/7

7:00 am-7:20 pm

3 stops42h 20m

$1,022

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 5/21

8:00 am-7:35 am

2 stops17h 35m

Porto

Sat 6/7

12:20 pm-12:03 am

2 stops17h 43m

$1,327

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mon 3/31

10:36 am-9:45 am

2 stops17h 09m

$451

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sat 7/26

2:29 pm-10:55 am

1 stop14h 26m

$787

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mon 3/31

11:55 am-11:20 pm

2 stops29h 25m

$3,439

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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.

Travel insights for flights from Louisiana to Porto

Get recent, data-driven insights about flights from Louisiana to Porto including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 2025.
United Airlines
7.4
Good
8,765 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines
7.4
Good
8,765 reviews
United Airlines
7.4
Good
8,765 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

TAP AIR PORTUGAL
7.1
Good
1,847 reviews
United Airlines
7.4
Good
8,765 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Iberia
7.0
Good
2,639 reviews
United Airlines
7.4
Good
8,765 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Lufthansa
6.7
Okay
6,986 reviews
United Airlines
7.4
Good
8,765 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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.

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

    $451 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on TAP AIR PORTUGAL and Lufthansa, with prices starting from $787 and $3,439, respectively.

  • 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 $1,092). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Louisiana to Porto

Discover the top 2 airlines 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$540Average$998FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$922Average$1,152FlexibilityNo cancel feeOn-time69%
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