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$377+ Cheap flights from Louisiana to Portugal

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LIS
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
1 adult, Economy
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Cheap flight deals from Louisiana to Portugal

Keep the following information in mind while searching for Louisiana to Portugal flight deals. Data was last updated November 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$488
(KLM)

One-way from

$377
(Ovago)

Popular in

August

Cheapest in

February

Average price

$792
Provider with most accurate pricing for New Orleans Louis Armstrong-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Lisbon Humberto Delgado flights.
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From Louisiana to Portugal
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One-way flight from Louisiana to Portugal
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Highest demand for flights based on searches. 15% potential increase in price ($186 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($39 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 Louisiana to Portugal

Cheapest flights from Louisiana to Portugal
Explore the most affordable flight options available from Louisiana to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 18, 2025.

This Finnair deal was found by Cheapflights users on 11/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/114:42 pmMSY - LIS
1 stop10h 23mMultiple Airlines
Fri 12/1911:05 amLIS - MSY
1 stop18h 30mMultiple Airlines
Deal found 11/16$589
This KLM deal was found by Cheapflights users on 11/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/81:07 pmMSY - LIS
2 stops12h 53mKLM
Sat 12/2011:15 amLIS - MSY
2 stops15h 07mKLM
Deal found 11/17$593
This United Airlines deal was found by Cheapflights users on 11/15. 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.
Mon 12/152:15 pmMSY - LIS
2 stops14h 00mUnited Airlines
Mon 12/2211:55 amLIS - MSY
1 stop13h 53mUnited Airlines
Deal found 11/15$627
This Delta deal was found by Cheapflights users on 11/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/203:02 pmMSY - LIS
1 stop10h 58mDelta
Fri 12/125:00 amLIS - MSY
2 stops20h 04mDelta
Deal found 11/16$652
This United Airlines deal was found by Cheapflights users on 11/16. 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 12/119:05 amMSY - LIS
2 stops19h 10mUnited Airlines
Fri 12/1911:20 amLIS - MSY
2 stops41h 09mUnited Airlines
Deal found 11/16$655
This Delta deal was found by Cheapflights users on 11/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/203:02 pmMSY - LIS
1 stop10h 58mDelta
Mon 12/155:00 amLIS - MSY
2 stops17h 08mDelta
Deal found 11/16$702
This Finnair deal was found by Cheapflights users on 11/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2010:27 amMSY - LIS
2 stops16h 38mMultiple Airlines
Sun 12/1411:05 amLIS - MSY
2 stops16h 09mMultiple Airlines
Deal found 11/16$716
This KLM deal was found by Cheapflights users on 11/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/511:26 amMSY - FAO
2 stops23h 29mKLM
Tue 12/97:45 pmFAO - MSY
2 stops26h 23mKLM
Deal found 11/16$727
This United Airlines deal was found by Cheapflights users on 11/16. 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.
Sat 11/226:09 pmBTR - LIS
2 stops34h 06mUnited Airlines
Mon 12/16:10 amLIS - BTR
2 stops41h 18mUnited Airlines
Deal found 11/16$992
This United Airlines deal was found by Cheapflights users on 11/18. 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.
Tue 12/162:00 pmBTR - LIS
2 stops14h 15mUnited Airlines
Tue 12/3011:55 amLIS - BTR
2 stops37h 28mUnited Airlines
Deal found 11/18$1,162
This KLM deal was found by Cheapflights users on 11/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/162:21 pmBTR - LIS
2 stops12h 39mKLM
Tue 12/305:00 amLIS - BTR
2 stops19h 18mKLM
Deal found 11/16$1,319
This Ovago deal was found by Cheapflights users on 11/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:14 pmMSY - OPO
2 stops27h 26mLufthansa
Sun 1/44:00 pmOPO - MSY
2 stops37h 59mLufthansa
Deal found 11/17$1,966

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisiana to Portugal 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 18, 2025.
Use the filters below to find and compare flights from Louisiana to Portugal that are best for you.

Fly from

Louisiana

Fly to

Portugal

Route

Depart

Return

Price

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Thu 1/1

11:17 am-8:00 am

2 stops14h 43m

Lisbon Humberto Delgado

Sat 1/17

11:25 am-11:30 pm

2 stops18h 05m

$488

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Sat 1/10

10:35 am-8:55 am

2 stops16h 20m

Lisbon Humberto Delgado

Sun 1/18

5:00 am-5:17 pm

2 stops42h 17m

$489

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Mon 3/2

12:48 pm-10:15 am

1 stop15h 27m

Lisbon Humberto Delgado

Tue 3/10

5:00 am-6:48 pm

2 stops18h 48m

$492

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Thu 1/29

6:30 am-10:25 am

2 stops21h 55m

Porto

Mon 2/2

6:30 am-10:02 pm

2 stops21h 32m

$492

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Wed 1/28

11:55 am-8:10 am

2 stops14h 15m

Lisbon Humberto Delgado

Sun 2/1

10:50 am-3:03 pm

2 stops34h 13m

$494

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Sat 2/28

2:40 pm-8:00 am

1 stop11h 20m

Lisbon Humberto Delgado

Sat 3/7

5:30 am-6:21 pm

2 stops18h 51m

$502

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Wed 1/28

11:43 am-8:00 am

1 stop14h 17m

Lisbon Humberto Delgado

Sun 2/1

5:30 am-8:12 pm

2 stops20h 42m

$502

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Sun 2/15

6:00 am-9:05 am

1 stop21h 05m

Lisbon Humberto Delgado

Sun 2/22

11:05 am-9:46 pm

1 stop16h 41m

$506

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Mon 3/2

12:48 pm-10:15 am

1 stop15h 27m

Lisbon Humberto Delgado

Mon 3/9

11:55 am-7:48 pm

1 stop12h 53m

$506

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Fri 2/6

4:39 pm-8:50 am

1 stop10h 11m

Lisbon Humberto Delgado

Sun 2/15

11:05 am-9:46 pm

1 stop16h 41m

$506

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/16

Showing 1-10 of 33 results
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Best time to book a flight from Louisiana to Portugal

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

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

Currently, November is the cheapest month in which you can book a flight from Louisiana to Portugal (average of $458). Flying from Louisiana to Portugal in August is currently the most expensive (average of $1,023). 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 LA to PT?

Find hourly flight availability from Louisiana to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Louisiana to Portugal at noon. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Louisiana to Portugal?

Use this chart to determine the cheapest time to fly round-trip from Louisiana to Portugal. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Louisiana to Portugal flight should consider departing on Wednesday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Louisiana to Portugal. 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 Louisiana to Portugal?

    There are many flights that can get you from Louisiana to Portugal in 14h 43m. Fly via KLM, United Airlines, or Delta to get the fastest option. There are 4511 mi between Louisiana and Portugal. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Louisiana to Portugal (average of $458). Flying from Louisiana to Portugal in August is currently the most expensive (average of $1,023). 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 6 airlines flying from Louisiana to Portugal

Discover the top 6 airlines that operate flights from Louisiana to Portugal. 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 November 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$562Average$1,167FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$588Average$976FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$592Average$905FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$613Average$1,264FlexibilityNo cancel feeOn-time71%
KLMCheapest$613Average$967FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$736Average$1,027FlexibilityNo cancel feeOn-time70%

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