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$827+ Cheap flights from Portugal to Louisiana

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — MSY
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheap flight deals from Portugal to Louisiana

Keep the following information in mind while searching for Portugal to Louisiana flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$827
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$956
Provider with most accurate pricing for Lisbon Humberto Delgado-New Orleans Louis Armstrong flight deals.
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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-New Orleans Louis Armstrong flights.
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From Portugal to Louisiana
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Highest demand for flights based on searches. 12% potential increase in price ($140 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Portugal to Louisiana

Cheapest flights from Portugal to Louisiana
Explore the most affordable flight options available from Portugal to Louisiana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This American Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 11/1911:05 amLIS - BTR
2 stops28h 47mAmerican Airlines
Sun 11/231:00 pmBTR - LIS
2 stops26h 45mAmerican Airlines
Deal found 11/2$827
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Wed 11/195:00 amLIS - BTR
2 stops36h 18mUnited Airlines
Sun 11/237:00 amBTR - LIS
2 stops19h 10mUnited Airlines
Deal found 10/31$900

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portugal to Louisiana 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 November 3, 2025.
Use the filters below to find and compare flights from Portugal to Louisiana that are best for you.

Fly from

Portugal

Fly to

Louisiana

Route

Depart

Return

Price

LisbonBaton Rouge

LIS - BTR

LISBTR

Lisbon Humberto Delgado

Wed 11/19

11:05 am-9:52 am

2 stops28h 47m

Baton Rouge Ryan

Sun 11/23

1:00 pm-9:45 pm

2 stops26h 45m

$827

LisbonBaton Rouge

LIS - BTR

LISBTR

Lisbon Humberto Delgado

Wed 11/19

5:00 am-11:18 am

2 stops36h 18m

Baton Rouge Ryan

Sun 11/23

7:00 am-8:10 am

2 stops19h 10m

$900

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Best time to book a flight from Portugal to Louisiana

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

What is the cheapest month to book a flight from Portugal to Louisiana?

Currently, February is the cheapest month in which you can book a flight from Portugal to Louisiana (average of $726). Flying from Portugal to Louisiana in June is currently the most expensive (average of $1,322). 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.

Related info for your journey

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

  • How long is the flight from Portugal to Louisiana?

    There are many flights that can get you from Portugal to Louisiana in 28h 47m. Fly via American Airlines or United Airlines to get the fastest option. Airlines will cover a distance of 4536 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Portugal to Louisiana (average of $726). Flying from Portugal to Louisiana in June is currently the most expensive (average of $1,322). 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.

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