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 12h 53m on average, while flying from Baton Rouge to Lisbon is 23h 20m on average. Lisbon is the most popular airport in Portugal.

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

TAP AIR PORTUGAL and British Airways are the most popular carriers operating from Louisiana to Portugal

What airlines fly to Portugal?

United Airlines, British Airways and American Airlines 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 40% 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 August 2025.

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.

$270 Cheap Flights from Louisiana to Portugal in 2025

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Find the cheapest flights from Louisiana to Portugal

Round-trip

One-way

Last minute

Cheap round-trip flights

5:15 am - 9:20 amMSY-LIS

22h 05m2 stops

5:00 am - 5:17 pmLIS-MSY

18h 17m2 stops

$566United Airlines

Find Deal

Tue, Nov 4 - Wed, Nov 12

2:53 pm - 8:00 amMSY-LIS

11h 07m1 stop

10:00 am - 6:46 pmLIS-MSY

14h 46m1 stop

$568Delta

Find Deal

Tue, Nov 4 - Wed, Nov 12

4:34 pm - 9:15 amMSY-LIS

10h 41m1 stop

11:15 am - 11:14 pmLIS-MSY

17h 59m2 stops

$573

Find Deal

Tue, Nov 4 - Wed, Nov 12

2:53 pm - 10:45 amMSY-LIS

13h 52m1 stop

5:30 am - 5:47 pmLIS-MSY

17h 17m2 stops

$617

Find Deal

Sun, Oct 19 - Sun, Nov 2

9:50 pm - 11:05 pmMSY-LIS

19h 15m1 stop

7:00 am - 6:55 pmLIS-MSY

16h 55m1 stop

$627British Airways

Find Deal

Sun, Oct 19 - Sat, Nov 1

9:50 pm - 11:05 pmMSY-LIS

19h 15m1 stop

7:00 am - 6:55 pmLIS-MSY

16h 55m1 stop

$629British Airways

Find Deal

Sun, Oct 19 - Sat, Nov 1

2:53 pm - 10:45 amMSY-LIS

13h 52m1 stop

5:00 am - 6:51 pmLIS-MSY

18h 51m2 stops

$634Delta

Find Deal

Sun, Oct 19 - Sat, Nov 1

5:40 pm - 4:05 pmMSY-LIS

16h 25m2 stops

4:45 pm - 11:05 pmLIS-MSY

36h 20m2 stops

$641Iberia

Find Deal

Sun, Oct 19 - Sun, Nov 2

11:10 am - 9:00 amMSY-LIS

15h 50m1 stop

10:00 am - 6:46 pmLIS-MSY

14h 46m1 stop

$648KLM

Find Deal

Thu, Dec 11 - Mon, Dec 22

5:40 pm - 4:05 pmMSY-LIS

16h 25m2 stops

4:45 pm - 11:05 pmLIS-MSY

36h 20m2 stops

$684Iberia

Find Deal

Sun, Oct 19 - Sun, Nov 2

British Airways flights from Louisiana to Portugal

Our best British Airways deals on Louisiana to Portugal flight tickets

British Airways

Oct 19

MSY9:50 pmNew Orleans Louis Armstrong

19h 15m

1 stop

LIS11:05 pmLisbon Humberto Delgado

Nov 1

LIS7:00 amLisbon Humberto Delgado

16h 55m

1 stop

MSY6:55 pmNew Orleans Louis Armstrong

$627

Find similar

British Airways

Oct 19

MSY9:50 pmNew Orleans Louis Armstrong

19h 15m

1 stop

LIS11:05 pmLisbon Humberto Delgado

Nov 1

LIS7:00 amLisbon Humberto Delgado

16h 55m

1 stop

MSY6:55 pmNew Orleans Louis Armstrong

$629

Find similar

British Airways

Oct 19

MSY9:50 pmNew Orleans Louis Armstrong

19h 15m

1 stop

LIS11:05 pmLisbon Humberto Delgado

Nov 1

LIS7:00 amLisbon Humberto Delgado

19h 35m

2 stops

MSY9:35 pmNew Orleans Louis Armstrong

$645

Find similar

United Airlines flights from Louisiana to Portugal

Our best United Airlines deals on Louisiana to Portugal flight tickets

United Airlines

Nov 4

MSY5:15 amNew Orleans Louis Armstrong

22h 05m

2 stops

LIS9:20 amLisbon Humberto Delgado

Nov 12

LIS5:00 amLisbon Humberto Delgado

18h 17m

2 stops

MSY5:17 pmNew Orleans Louis Armstrong

$566

Find similar

United Airlines

Nov 22

MSY7:18 pmNew Orleans Louis Armstrong

32h 57m

2 stops

LIS10:15 amLisbon Humberto Delgado

Dec 2

LIS11:20 amLisbon Humberto Delgado

33h 30m

2 stops

MSY2:50 pmNew Orleans Louis Armstrong

$635

Find similar

United Airlines

Nov 22

MSY7:18 pmNew Orleans Louis Armstrong

32h 57m

2 stops

LIS10:15 amLisbon Humberto Delgado

Dec 2

LIS11:20 amLisbon Humberto Delgado

32h 03m

3 stops

MSY1:23 pmNew Orleans Louis Armstrong

$658

Find similar

Fly from

Fly to

Route

Depart

Return

Price

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Tue 11/4

5:15 am-9:20 am

2 stops22h 05m

Lisbon Humberto Delgado

Wed 11/12

5:00 am-5:17 pm

2 stops18h 17m

$566

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Tue 11/4

2:53 pm-8:00 am

1 stop11h 07m

Lisbon Humberto Delgado

Wed 11/12

10:00 am-6:46 pm

1 stop14h 46m

$568

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Tue 11/4

4:34 pm-9:15 am

1 stop10h 41m

Lisbon Humberto Delgado

Wed 11/12

11:15 am-11:14 pm

2 stops17h 59m

$573

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Sun 10/19

2:53 pm-10:45 am

1 stop13h 52m

Lisbon Humberto Delgado

Sun 11/2

5:30 am-5:47 pm

2 stops17h 17m

$617

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Sun 10/19

9:50 pm-11:05 pm

1 stop19h 15m

Lisbon Humberto Delgado

Sat 11/1

7:00 am-6:55 pm

1 stop16h 55m

$627

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Sun 10/19

9:50 pm-11:05 pm

1 stop19h 15m

Lisbon Humberto Delgado

Sat 11/1

7:00 am-6:55 pm

1 stop16h 55m

$629

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Sun 10/19

2:53 pm-10:45 am

1 stop13h 52m

Lisbon Humberto Delgado

Sat 11/1

5:00 am-6:51 pm

2 stops18h 51m

$634

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Sun 10/19

5:40 pm-4:05 pm

2 stops16h 25m

Lisbon Humberto Delgado

Sun 11/2

4:45 pm-11:05 pm

2 stops36h 20m

$641

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Thu 12/11

11:10 am-9:00 am

1 stop15h 50m

Lisbon Humberto Delgado

Mon 12/22

10:00 am-6:46 pm

1 stop14h 46m

$648

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Sun 10/19

5:40 pm-4:05 pm

2 stops16h 25m

Lisbon Humberto Delgado

Sun 11/2

4:45 pm-11:05 pm

2 stops36h 20m

$684

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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 $638, 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 $723.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Tuesday is the cheapest day to fly to Portugal from Louisiana. The lowest ticket price found for a Tuesday departure recently was $927. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $1,357.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the evening. Flights from Louisiana to Portugal during this time can be as low as $949. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,211 per ticket.

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 weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $1,024 when searching weeks 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 $822 on momondo.

Can stopping save me money on Louisiana to Portugal flights?

You could potentially save up to 29% 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

Best Price Found	$270
Fastest flight time	10h 41m
Direct flights	None
Airports in Portugal	2 airports

The best one-way flight to Portugal from Louisiana in the past 72 hours is $270. The best round-trip flight deal from Louisiana to Portugal found on momondo in the last 72 hours is $566.

The fastest flight from Louisiana to Portugal takes 10h 41m

There are no direct flights from Louisiana to Portugal. Popular non-direct routes for this connection are New Orleans Louis Armstrong Airport - Lisbon Humberto Delgado Airport and New Orleans Louis Armstrong Airport - Porto Airport.

There are 2 airports near Portugal: Lisbon Humberto Delgado (LIS), Porto (OPO)

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 August 2025.
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
United Airlines	PriceFrom $592	Free Cancellation	Rating 7.4 8,917 reviews	Search United Airlines flights
American Airlines	PriceFrom $613	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
KLM	PriceFrom $613	Free Cancellation	Rating 7.8 1,381 reviews	Search KLM flights
British Airways	PriceFrom $747	Free Cancellation	Rating 6.6 7,251 reviews	Search British Airways flights
Delta	PriceFrom $870	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta 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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Find better results for your trip to Portugal

Popular cities in Portugal

Flights to Lisbonfrom $367

Flights to Portofrom $369

Flights to Funchalfrom $420

Flights to Farofrom $412

Flights to Ponta Delgadafrom $451

Flights to Lajesfrom $535

Flights to Hortafrom $590

Flights to Pico Islandfrom $544

Flights to Porto Santofrom $445

Flights to Velasfrom $593

Cheap flights from Louisiana to Portugal from $270

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 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from Louisiana to Portugal

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

British Airways flights from Louisiana to Portugal

Our best British Airways deals on Louisiana to Portugal flight tickets

United Airlines flights from Louisiana to Portugal

Our best United Airlines deals on Louisiana to Portugal flight tickets

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Use the filters below to find and compare flights from Louisiana to Portugal that are best for you.

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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

What is the cheapest month to fly to Portugal?

What is the cheapest day to depart on your flight to Portugal?

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the evening. Flights from Louisiana to Portugal during this time can be as low as $949. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,211 per ticket.

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

Can stopping save me money on Louisiana to Portugal flights?

You could potentially save up to 29% on your flight if you consider stops on a Louisiana to Portugal flight.

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

TAP AIR PORTUGAL and British Airways are the most popular carriers operating from Louisiana to Portugal

What airlines fly 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 12h 53m on average, while flying from Baton Rouge to Lisbon is 23h 20m on average. Lisbon is the most popular airport in 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

Best Price Found

Fastest flight time

Direct flights

Airports in Portugal

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

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

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

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

Best airlines flying from Louisiana to Portugal

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

Why use momondo?

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

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

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

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

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