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

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

What airlines fly to Portugal?

United Airlines, British Airways and Delta 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 42% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 6 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

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 Baton Rouge to Lisbon is 13h 56m on average, while flying from New Orleans to Lisbon is 14h 40m on average. Lisbon is the most popular airport in Portugal.

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 6 as of February 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.

$347 Cheap Flights from Louisiana to Portugal in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

9:50 pm - 6:10 pm

MSY

LIS

14h 20m

1 stop

6:35 am - 7:37 pm

LIS

MSY

19h 02m

2 stops

$494Multiple Airlines

Thu, Apr 16 - Thu, Apr 23

6:00 am - 8:10 am

MSY

LIS

21h 10m

1 stop

12:20 pm - 7:44 pm

LIS

MSY

13h 24m

1 stop

$500United Airlines

Mon, Mar 16 - Wed, Apr 1

5:15 pm - 2:55 pm

MSY

LIS

15h 40m

2 stops

11:55 am - 11:35 pm

LIS

MSY

17h 40m

2 stops

$502Multiple Airlines

Tue, Apr 14 - Tue, Apr 21

10:00 am - 2:10 pm

MSY

LIS

22h 10m

2 stops

6:45 pm - 8:00 pm

LIS

MSY

31h 15m

1 stop

$506British Airways

Wed, Apr 22 - Thu, Apr 30

9:50 pm - 10:05 am

MSY

LIS

30h 15m

1 stop

6:45 pm - 8:00 pm

LIS

MSY

31h 15m

1 stop

$508British Airways

Thu, Apr 16 - Thu, Apr 23

9:50 pm - 6:10 pm

MSY

LIS

14h 20m

1 stop

11:05 am - 8:00 pm

LIS

MSY

14h 55m

1 stop

$509British Airways

Thu, Apr 16 - Thu, Apr 23

9:50 pm - 11:10 pm

MSY

LIS

19h 20m

1 stop

11:00 am - 8:00 pm

LIS

MSY

15h 00m

1 stop

$512British Airways

Fri, Apr 17 - Wed, Apr 22

10:36 am - 2:45 pm

MSY

OPO

23h 09m

2 stops

6:30 am - 9:46 pm

OPO

MSY

44h 16m

2 stops

$515Lufthansa

Tue, Mar 10 - Fri, Mar 20

7:22 am - 7:40 am

MSY

OPO

18h 18m

2 stops

8:20 am - 11:22 pm

OPO

MSY

21h 02m

2 stops

$550American Airlines

Fri, Apr 24 - Thu, May 7

1:00 pm - 9:45 am

MSY

OPO

14h 45m

1 stop

6:00 am - 9:32 pm

OPO

MSY

21h 32m

2 stops

$623Lufthansa

Fri, Apr 24 - Thu, May 7

KLM flights from Louisiana to Portugal

Our best KLM deals on Louisiana to Portugal flight tickets

KLM

Apr 29

MSY11:26 amNew Orleans Louis Armstrong

14h 34m

1 stop

LIS8:00 amLisbon Humberto Delgado

May 5

LIS11:55 amLisbon Humberto Delgado

17h 40m

2 stops

MSY11:35 pmNew Orleans Louis Armstrong

$573

KLM

Apr 29

MSY11:26 amNew Orleans Louis Armstrong

14h 34m

1 stop

LIS8:00 amLisbon Humberto Delgado

May 5

LIS10:00 amLisbon Humberto Delgado

15h 00m

1 stop

MSY7:00 pmNew Orleans Louis Armstrong

$657

KLM

Feb 25

MSY2:40 pmNew Orleans Louis Armstrong

11h 20m

1 stop

LIS8:00 amLisbon Humberto Delgado

Feb 28

LIS11:25 amLisbon Humberto Delgado

17h 49m

2 stops

MSY11:14 pmNew Orleans Louis Armstrong

$841

British Airways flights from Louisiana to Portugal

Our best British Airways deals on Louisiana to Portugal flight tickets

British Airways

Apr 22

MSY10:00 amNew Orleans Louis Armstrong

22h 10m

2 stops

LIS2:10 pmLisbon Humberto Delgado

Apr 30

LIS6:45 pmLisbon Humberto Delgado

31h 15m

1 stop

MSY8:00 pmNew Orleans Louis Armstrong

$506

British Airways

Apr 16

MSY9:50 pmNew Orleans Louis Armstrong

30h 15m

1 stop

LIS10:05 amLisbon Humberto Delgado

Apr 23

LIS6:45 pmLisbon Humberto Delgado

31h 15m

1 stop

MSY8:00 pmNew Orleans Louis Armstrong

$508

British Airways

Apr 16

MSY9:50 pmNew Orleans Louis Armstrong

14h 20m

1 stop

LIS6:10 pmLisbon Humberto Delgado

Apr 23

LIS11:05 amLisbon Humberto Delgado

14h 55m

1 stop

MSY8:00 pmNew Orleans Louis Armstrong

$509

Fly from

Fly to

Route

Depart

Return

Price

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Thu 4/16

9:50 pm-6:10 pm

1 stop14h 20m

Lisbon Humberto Delgado

Thu 4/23

6:35 am-7:37 pm

2 stops19h 02m

$494

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Mon 3/16

6:00 am-8:10 am

1 stop21h 10m

Lisbon Humberto Delgado

Wed 4/1

12:20 pm-7:44 pm

1 stop13h 24m

$500

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Tue 4/14

5:15 pm-2:55 pm

2 stops15h 40m

Lisbon Humberto Delgado

Tue 4/21

11:55 am-11:35 pm

2 stops17h 40m

$502

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Wed 4/22

10:00 am-2:10 pm

2 stops22h 10m

Lisbon Humberto Delgado

Thu 4/30

6:45 pm-8:00 pm

1 stop31h 15m

$506

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Thu 4/16

9:50 pm-10:05 am

1 stop30h 15m

Lisbon Humberto Delgado

Thu 4/23

6:45 pm-8:00 pm

1 stop31h 15m

$508

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Thu 4/16

9:50 pm-6:10 pm

1 stop14h 20m

Lisbon Humberto Delgado

Thu 4/23

11:05 am-8:00 pm

1 stop14h 55m

$509

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Fri 4/17

9:50 pm-11:10 pm

1 stop19h 20m

Lisbon Humberto Delgado

Wed 4/22

11:00 am-8:00 pm

1 stop15h 00m

$512

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 3/10

10:36 am-2:45 pm

2 stops23h 09m

Porto

Fri 3/20

6:30 am-9:46 pm

2 stops44h 16m

$515

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Fri 4/24

7:22 am-7:40 am

2 stops18h 18m

Porto

Thu 5/7

8:20 am-11:22 pm

2 stops21h 02m

$550

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Fri 4/24

1:00 pm-9:45 am

1 stop14h 45m

Porto

Thu 5/7

6:00 am-9:32 pm

2 stops21h 32m

$623

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 $672, 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 March instead. Flights to Portugal in March, while not as cheap as those in February, still average around $721.

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 $1,025 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 $778 on momondo.

Can stopping save me money on Louisiana to Portugal flights?

You could potentially save up to 18% 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 56m
Direct flights	None

The fastest flight from Louisiana to Portugal takes 13h 56m

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 6 as of February 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 8,183 reviews	Search Delta flights
United Airlines	PriceFrom $511	Free Cancellation	Rating 7.4 9,281 reviews	Search United Airlines flights
British Airways	PriceFrom $572	Free Cancellation	Rating 6.7 7,733 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom $588	Free Cancellation	Rating 7.5 678 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom $620	Free Cancellation	Rating 7.2 11,272 reviews	Search American Airlines flights
KLM	PriceFrom $679	Free Cancellation	Rating 7.7 1,451 reviews	Search KLM 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Fri 3/13

Fri 3/20

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Popular cities

Other flights from Louisiana

Other flights to Portugal

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $393

Flights to Portofrom $348

Flights to Funchalfrom $426

Flights to Farofrom $448

Flights to Ponta Delgadafrom $450

Flights to Lajesfrom $539

Flights to Hortafrom $635

Flights to Pico Islandfrom $542

Flights to Porto Santofrom $551

Flights to Velasfrom $562

Cheap flights from Louisiana to Portugal from $347

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 4/8. 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

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Louisiana to Portugal

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

KLM flights from Louisiana to Portugal

Our best KLM deals on Louisiana to Portugal flight tickets

British Airways flights from Louisiana to Portugal

Our best British Airways deals on Louisiana to Portugal flight tickets

momondo Fare Finder

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

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?

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

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