What is the cheapest airline that flies from Louisiana to Portugal?

United Airlines, Delta, and Lufthansa are the most popular carriers operating from Louisiana to Portugal

How long is the flight from Louisiana to Portugal?

Average flight duration from Louisiana to Portugal depends on which airport you fly into and out of. Flying from New Orleans to Lisbon is 13h 55m on average, while flying from Baton Rouge to Lisbon is 17h 40m on average. Lisbon is the most popular airport in Portugal.

What airlines fly to Portugal?

United Airlines, Delta and British Airways are the top three most popular airlines that fly to Portugal from Louisiana according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 5 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Louisiana to Portugal?

Prices for flights from Louisiana to Portugal refresh daily.

How many operators does momondo search for flights from Louisiana to Portugal?

The number of operators available for flights from Louisiana to Portugal is 5 as of March 2026.

How old do you have to be to fly from Louisiana to Portugal?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisiana to Portugal.

What documentation or ID do you need to fly to Portugal?

The required travel and health documents for your Portugal trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portugal. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$349 Cheap Flights from Louisiana to Portugal in 2026

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Find the cheapest flights from Louisiana to Portugal

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:25 pm - 2:35 pm

MSY

LIS

16h 10m

2 stops

11:55 am - 11:35 pm

LIS

MSY

17h 40m

2 stops

$675KLM

Wed, Apr 29 - Tue, May 5

7:00 am - 11:50 am

MSY

LIS

22h 50m

2 stops

6:35 am - 11:22 pm

LIS

MSY

22h 47m

2 stops

$677Iberia

Mon, Apr 20 - Mon, Apr 27

9:45 pm - 11:10 pm

MSY

LIS

19h 25m

1 stop

7:20 am - 8:00 pm

LIS

MSY

18h 40m

1 stop

$679British Airways

Fri, Apr 24 - Thu, May 7

12:00 pm - 10:15 pm

MSY

LIS

28h 15m

2 stops

6:15 am - 10:47 pm

LIS

MSY

22h 32m

2 stops

$711Lufthansa

Wed, Apr 22 - Thu, Apr 30

12:00 pm - 10:15 pm

MSY

LIS

28h 15m

2 stops

6:15 am - 10:47 pm

LIS

MSY

22h 32m

2 stops

$712Lufthansa

Wed, Apr 22 - Thu, Apr 30

11:26 am - 8:00 am

MSY

LIS

14h 34m

1 stop

5:35 am - 4:15 pm

LIS

MSY

16h 40m

2 stops

$726Multiple Airlines

Mon, Apr 20 - Mon, Apr 27

11:26 am - 8:00 am

MSY

LIS

14h 34m

1 stop

10:00 am - 7:00 pm

LIS

MSY

15h 00m

1 stop

$729Multiple Airlines

Mon, Apr 20 - Mon, Apr 27

7:05 pm - 6:45 pm

BTR

LIS

17h 40m

2 stops

5:00 am - 9:56 pm

LIS

BTR

22h 56m

2 stops

$774Delta

Wed, Apr 8 - Wed, Apr 22

1:36 pm - 2:55 pm

BTR

LIS

19h 19m

2 stops

5:35 am - 9:56 pm

LIS

BTR

22h 21m

2 stops

$776Delta

Tue, Apr 7 - Wed, Apr 22

3:32 pm - 2:50 pm

MSY

FAO

17h 18m

2 stops

6:40 pm - 7:37 pm

FAO

MSY

30h 57m

2 stops

$984British Airways

Fri, Apr 17 - Tue, Apr 21

British Airways flights from Louisiana to Portugal

Our best British Airways deals on Louisiana to Portugal flight tickets

British Airways

Apr 24

MSY9:45 pmNew Orleans Louis Armstrong

19h 25m

1 stop

LIS11:10 pmLisbon Humberto Delgado

May 7

LIS7:20 amLisbon Humberto Delgado

18h 40m

1 stop

MSY8:00 pmNew Orleans Louis Armstrong

$679

British Airways

Apr 24

MSY9:45 pmNew Orleans Louis Armstrong

19h 25m

1 stop

LIS11:10 pmLisbon Humberto Delgado

May 1

LIS7:20 amLisbon Humberto Delgado

18h 40m

1 stop

MSY8:00 pmNew Orleans Louis Armstrong

$754

British Airways

Apr 25

MSY9:45 pmNew Orleans Louis Armstrong

30h 20m

1 stop

LIS10:05 amLisbon Humberto Delgado

May 1

LIS6:55 pmLisbon Humberto Delgado

32h 06m

2 stops

MSY9:01 pmNew Orleans Louis Armstrong

$768

KLM flights from Louisiana to Portugal

Our best KLM deals on Louisiana to Portugal flight tickets

KLM

Apr 29

MSY4:25 pmNew Orleans Louis Armstrong

16h 10m

2 stops

LIS2:35 pmLisbon Humberto Delgado

May 5

LIS11:55 amLisbon Humberto Delgado

17h 40m

2 stops

MSY11:35 pmNew Orleans Louis Armstrong

$675

KLM

Apr 29

MSY4:25 pmNew Orleans Louis Armstrong

16h 10m

2 stops

LIS2:35 pmLisbon Humberto Delgado

May 5

LIS5:00 amLisbon Humberto Delgado

17h 15m

2 stops

MSY4:15 pmNew Orleans Louis Armstrong

$716

KLM

Apr 29

MSY4:25 pmNew Orleans Louis Armstrong

16h 10m

2 stops

LIS2:35 pmLisbon Humberto Delgado

May 5

LIS11:55 amLisbon Humberto Delgado

17h 40m

2 stops

MSY11:35 pmNew Orleans Louis Armstrong

$725

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Wed 4/29

4:25 pm-2:35 pm

2 stops16h 10m

Lisbon Humberto Delgado

Tue 5/5

11:55 am-11:35 pm

2 stops17h 40m

$675

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Mon 4/20

7:00 am-11:50 am

2 stops22h 50m

Lisbon Humberto Delgado

Mon 4/27

6:35 am-11:22 pm

2 stops22h 47m

$677

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Fri 4/24

9:45 pm-11:10 pm

1 stop19h 25m

Lisbon Humberto Delgado

Thu 5/7

7:20 am-8:00 pm

1 stop18h 40m

$679

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Wed 4/22

12:00 pm-10:15 pm

2 stops28h 15m

Lisbon Humberto Delgado

Thu 4/30

6:15 am-10:47 pm

2 stops22h 32m

$711

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Wed 4/22

12:00 pm-10:15 pm

2 stops28h 15m

Lisbon Humberto Delgado

Thu 4/30

6:15 am-10:47 pm

2 stops22h 32m

$712

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Mon 4/20

11:26 am-8:00 am

1 stop14h 34m

Lisbon Humberto Delgado

Mon 4/27

5:35 am-4:15 pm

2 stops16h 40m

$726

Quickest round-trip

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Mon 4/20

11:26 am-8:00 am

1 stop14h 34m

Lisbon Humberto Delgado

Mon 4/27

10:00 am-7:00 pm

1 stop15h 00m

$729

Baton RougeLisbon

BTR - LIS

BTRLIS

Baton Rouge Ryan

Wed 4/8

7:05 pm-6:45 pm

2 stops17h 40m

Lisbon Humberto Delgado

Wed 4/22

5:00 am-9:56 pm

2 stops22h 56m

$774

Baton RougeLisbon

BTR - LIS

BTRLIS

Baton Rouge Ryan

Tue 4/7

1:36 pm-2:55 pm

2 stops19h 19m

Lisbon Humberto Delgado

Wed 4/22

5:35 am-9:56 pm

2 stops22h 21m

$776

New OrleansFaro

MSY - FAO

MSYFAO

New Orleans Louis Armstrong

Fri 4/17

3:32 pm-2:50 pm

2 stops17h 18m

Faro

Tue 4/21

6:40 pm-7:37 pm

2 stops30h 57m

$984

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisiana to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Louisiana is in February. Flight prices, which tend to average around $639, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Louisiana during January instead. Flights to Portugal in January, while not as cheap as those in February, still average around $738.

How far in advance should I book a flight to Portugal?

You are more likely to see cheaper flights to Portugal from Louisiana when booking week ahead of your departure date. In general, you can expect to find flights to Portugal for around $1,012 when searching week out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Louisiana for as low as $651 on momondo.

Can stopping save me money on Louisiana to Portugal flights?

You could potentially save up to 15% on your flight if you consider stops on a Louisiana to Portugal flight.

Cheap Louisiana to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisiana to Portugal

Fastest flight time	13h 55m
Direct flights	None

The fastest flight from Louisiana to Portugal takes 13h 55m

There are no direct flights from Louisiana to Portugal. There are no popular flight routes from Louisiana to Portugal.

Search flight deals

When did momondo last update prices for flights from Louisiana to Portugal?
Prices for flights from Louisiana to Portugal refresh daily.
How many operators does momondo search for flights from Louisiana to Portugal?
The number of operators available for flights from Louisiana to Portugal is 5 as of March 2026.
How old do you have to be to fly from Louisiana to Portugal?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisiana to Portugal.
What documentation or ID do you need to fly to Portugal?
The required travel and health documents for your Portugal trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portugal. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Louisiana to Portugal

Compare and see reviews for airlines that fly from Louisiana to Portugal with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $458	Free Cancellation	Rating 7.9 8,358 reviews	Search Delta flights
United Airlines	PriceFrom $511	Free Cancellation	Rating 7.4 9,501 reviews	Search United Airlines flights
British Airways	PriceFrom $550	Free Cancellation	Rating 6.7 7,825 reviews	Search British Airways flights
KLM	PriceFrom $679	Free Cancellation	Rating 7.8 1,477 reviews	Search KLM flights
American Airlines	PriceFrom $880	Free Cancellation	Rating 7.1 11,520 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Louisiana to Portugal?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisiana to Portugal for you.

Can I find flights from Louisiana to Portugal with flexible booking policies on momondo?

Flights from Louisiana to Portugal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Louisiana to Portugal?

Once you have performed a search for Louisiana to Portugal flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Louisiana to Portugal right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Louisiana to Portugal now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portugal and let you know when they change.

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities

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Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $433

Flights to Portofrom $427

Flights to Funchalfrom $565

Flights to Farofrom $471

Flights to Ponta Delgadafrom $569

Flights to Lajesfrom $559

Flights to Pico Islandfrom $582

Flights to Hortafrom $631

Flights to Porto Santofrom $931

Flights to Velasfrom $713

Cheap flights from Louisiana to Portugal from $349

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisiana to Portugal departing on 4/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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British Airways flights from Louisiana to Portugal

Our best British Airways deals on Louisiana to Portugal flight tickets

KLM flights from Louisiana to Portugal

Our best KLM deals on Louisiana to Portugal flight tickets

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See travel insights to Portugal from

How to get the cheapest flight ticket from Louisiana to Portugal

What is the cheapest month to fly to Portugal?

How far in advance should I book a flight to Portugal?

Can stopping save me money on Louisiana to Portugal flights?

What is the cheapest airline that flies from Louisiana to Portugal?

What airlines fly to Portugal?

How long is the flight from Louisiana to Portugal?

Cheap Louisiana to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisiana to Portugal

Fastest flight time

Direct flights

Best airlines flying from Louisiana to Portugal

Compare and see reviews for airlines that fly from Louisiana to Portugal with momondo

Why use momondo?

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo

Louisiana flight routes

According to popular flight searches on momondo this year

Portugal flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Portugal

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portugal

List of cabin classes available on flights landing in Portugal. Availability may vary depending on flight origin and airline.

Complete your trip to Portugal

Explore popular destinations other users love

According to popular flight searches on momondo this year