HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$272+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LIS
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisiana to Portugal 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.

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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$699
(Expedia)

One-way from

$272
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$638
Provider with most accurate pricing for New Orleans Louis Armstrong-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Lisbon Humberto Delgado flights.
Search Deals
From Louisiana to Portugal
Search Deals
One-way flight from Louisiana to Portugal
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($288 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 February 20, 2025.

This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/218:45 pmMSY - LIS
1 stop32h 10mBritish Airways
Fri 3/287:05 amLIS - MSY
1 stop16h 45mBritish Airways
Deal found 2/19$620
This Iberia deal was found by Cheapflights users on 2/19. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/243:44 pmMSY - LIS
2 stops21h 21mIberia
Tue 4/156:35 amLIS - MSY
2 stops18h 08mIberia
Deal found 2/19$667
This Mytrip deal was found by Cheapflights users on 2/19. 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.
Tue 5/68:57 amMSY - LIS
3 stops29h 43mMultiple Airlines
Tue 5/138:45 pmLIS - MSY
2 stops29h 51mMultiple Airlines
Deal found 2/19$698
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/299:50 pmMSY - LIS
1 stop19h 20mFinnair
Tue 4/86:35 amLIS - MSY
2 stops22h 56mFinnair
Deal found 2/20$806
This Justfly.com deal was found by Cheapflights users on 2/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/243:40 pmMSY - LIS
1 stop12h 40mAir Canada
Tue 4/1511:25 amLIS - MSY
2 stops18h 34mAir Canada
Deal found 2/19$817
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/299:50 pmMSY - LIS
1 stop19h 20mAmerican Airlines
Tue 4/811:05 amLIS - MSY
1 stop16h 41mAmerican Airlines
Deal found 2/20$867
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/243:40 pmMSY - LIS
1 stop12h 40mUnited Airlines
Tue 4/1511:25 amLIS - MSY
2 stops28h 15mUnited Airlines
Deal found 2/19$868
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.
Sun 4/66:00 amMSY - FAO
3 stops27h 15mMultiple Airlines
Sun 4/136:05 amFAO - MSY
3 stops47h 18mMultiple Airlines
Deal found 2/20$948
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/1510:25 amMSY - LIS
2 stops30h 05mScandinavian Airlines
Sat 3/296:55 pmLIS - MSY
2 stops32h 22mScandinavian Airlines
Deal found 2/20$1,009
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 Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:09 pmMSY - FAO
2 stops37h 56mBritish Airways
Fri 10/107:50 pmFAO - MSY
2 stops27h 33mBritish Airways
Deal found 2/20$1,091

Find flights from Louisiana to Portugal within your budget

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 February 20, 2025.

Fly from

Louisiana

Fly to

Portugal

Route

Depart

Return

Price

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Fri 3/21

8:45 pm-9:55 am

1 stop32h 10m

Lisbon Humberto Delgado

Fri 3/28

7:05 am-6:50 pm

1 stop16h 45m

$620

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Mon 3/24

3:44 pm-6:05 pm

2 stops21h 21m

Lisbon Humberto Delgado

Tue 4/15

6:35 am-6:43 pm

2 stops18h 08m

$667

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Tue 5/6

8:57 am-8:40 pm

3 stops29h 43m

Lisbon Humberto Delgado

Tue 5/13

8:45 pm-8:36 pm

2 stops29h 51m

$698

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Sat 3/29

9:50 pm-11:10 pm

1 stop19h 20m

Lisbon Humberto Delgado

Tue 4/8

6:35 am-11:31 pm

2 stops22h 56m

$806

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Mon 3/24

3:40 pm-9:20 am

1 stop12h 40m

Lisbon Humberto Delgado

Tue 4/15

11:25 am-11:59 pm

2 stops18h 34m

$817

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Sat 3/29

9:50 pm-11:10 pm

1 stop19h 20m

Lisbon Humberto Delgado

Tue 4/8

11:05 am-9:46 pm

1 stop16h 41m

$867

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Mon 3/24

3:40 pm-9:20 am

1 stop12h 40m

Lisbon Humberto Delgado

Tue 4/15

11:25 am-9:40 am

2 stops28h 15m

$868

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 OrleansFaro

MSY - FAO

MSYFAO

New Orleans Louis Armstrong

Sun 4/6

6:00 am-3:15 pm

3 stops27h 15m

Faro

Sun 4/13

6:05 am-11:23 pm

3 stops47h 18m

$948

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Sat 3/15

10:25 am-9:30 pm

2 stops30h 05m

Lisbon Humberto Delgado

Sat 3/29

6:55 pm-10:17 pm

2 stops32h 22m

$1,009

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 28 results
1
2
3

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.

Travel insights for flights from Louisiana to Portugal

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

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

Currently, January is the cheapest month in which you can book a flight from Louisiana to Portugal (average of $612). Flying from Louisiana to Portugal in June is currently the most expensive (average of $1,234). 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 February 20, 2025.

When flying from Louisiana to Portugal, 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 Portugal by month

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

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

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

If weather is an important factor for your trip to Portugal, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated February 20, 2025.
Get a feel of what it's like to fly with KLM, Finnair and United Airlines from Louisiana to Portugal by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,333 reviews

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Finnair
7.6
Good
1,273 reviews
KLM
7.8
Good
1,333 reviews

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

United Airlines
7.4
Good
8,766 reviews
KLM
7.8
Good
1,333 reviews

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Scandinavian Airlines
7.3
Good
1,325 reviews
KLM
7.8
Good
1,333 reviews

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,333 reviews

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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.

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

    One-way options have recently been found by users for as low as $451 on United Airlines. Other airlines that offer cheap prices include Lufthansa from $511 and Air Canada from $512 one-way.

  • 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, January is the cheapest month in which you can book a flight from Louisiana to Portugal (average of $612). Flying from Louisiana to Portugal in June is currently the most expensive (average of $1,234). 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

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 Louisiana to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Gatwick flights
Newark to Leonardo da Vinci/Fiumicino flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
Los Angeles to Heathrow flights
Newark to Athens flights
John F Kennedy Intl to Istanbul flights
John F Kennedy Intl to Orly flights
Newark to Orly flights
Newark to Gatwick flights
John F Kennedy Intl to Lisbon flights
John F Kennedy Intl to Athens flights
Dulles Intl to Heathrow flights
Boston to Heathrow flights
LaGuardia to Charles de Gaulle flights
John F Kennedy Intl to Barcelona-El Prat flights
Newark to Barcelona-El Prat flights
Miami to Madrid flights
Newark to Lisbon flights
John F Kennedy Intl to Dublin flights
San Francisco to Heathrow flights
O'Hare Intl to Heathrow flights
Newark to Madrid flights
John F Kennedy Intl to Madrid flights
Stewart to Charles de Gaulle flights
Baltimore to Heathrow flights
Newark to Dublin flights
John F Kennedy Intl to Malpensa flights
Dulles Intl to Charles de Gaulle flights
Newark to London City flights
Seattle to Heathrow flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Charles de Gaulle flights
Boston to Charles de Gaulle flights
Stewart to Stansted flights
Newark to Malpensa flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Heathrow flights
Los Angeles to Charles de Gaulle flights
Dallas/Fort Worth to Charles de Gaulle flights
Boston to Dublin flights
John F Kennedy Intl to Amsterdam flights
San Francisco to Charles de Gaulle flights
O'Hare Intl to Athens flights
Boston to Leonardo da Vinci/Fiumicino flights

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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$540Average$1,182FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$613Average$1,189FlexibilityNo cancel feeOn-time71%
KLMCheapest$613Average$865FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$649Average$1,162FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$670Average$949FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$1,154Average$1,576FlexibilityNo cancel feeOn-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.