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

KLM, United Airlines, and Air France 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 10h 58m on average, while flying from Baton Rouge to Lisbon is 16h 30m 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 4 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 4 as of May 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.

$334 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.

6:14 pm - 7:00 am

MSY

OPO

30h 46m

2 stops

6:00 am - 9:29 am

OPO

MSY

33h 29m

2 stops

$784United Airlines

Mon, Oct 12 - Fri, Oct 23

2:00 pm - 10:30 am

BTR

LIS

14h 30m

2 stops

1:00 pm - 8:01 pm

LIS

BTR

36h 01m

2 stops

$863United Airlines

Mon, Oct 19 - Sun, Oct 25

6:15 pm - 8:10 am

MSY

LIS

32h 55m

1 stop

11:20 am - 7:07 pm

LIS

MSY

37h 47m

2 stops

$875United Airlines

Sat, Oct 31 - Sun, Nov 15

5:25 pm - 11:00 am

MSY

LIS

12h 35m

1 stop

1:00 pm - 12:10 pm

LIS

MSY

29h 10m

2 stops

$877Air Canada

Wed, Oct 28 - Sat, Nov 7

12:00 pm - 8:00 am

MSY

LIS

15h 00m

2 stops

5:00 am - 6:54 pm

LIS

MSY

19h 54m

2 stops

$882Delta

Wed, Oct 28 - Sat, Nov 7

10:19 am - 8:00 am

MSY

LIS

16h 41m

1 stop

10:00 am - 6:43 pm

LIS

MSY

14h 43m

1 stop

$889KLM

Wed, Oct 28 - Sat, Nov 7

7:40 pm - 8:00 am

MSY

LIS

31h 20m

1 stop

10:00 am - 6:43 pm

LIS

MSY

14h 43m

1 stop

$896Multiple Airlines

Sat, Oct 31 - Sun, Nov 15

9:50 pm - 11:15 pm

MSY

LIS

19h 25m

1 stop

12:30 pm - 11:35 pm

LIS

MSY

17h 05m

2 stops

$903Multiple Airlines

Wed, Oct 14 - Wed, Oct 21

10:19 am - 10:30 am

MSY

OPO

18h 11m

1 stop

5:00 am - 6:45 pm

OPO

MSY

19h 45m

2 stops

$904Delta

Wed, Sep 16 - Wed, Sep 30

5:07 pm - 7:30 pm

MSY

FAO

20h 23m

2 stops

9:45 pm - 6:02 pm

FAO

MSY

26h 17m

2 stops

$1,215KLM

Wed, Jun 10 - Mon, Jun 15

United Airlines flights from Louisiana to Portugal

Our best United Airlines deals on Louisiana to Portugal flight tickets

United Airlines

Oct 12

MSY6:14 pmNew Orleans Louis Armstrong

30h 46m

2 stops

OPO7:00 amPorto

Oct 23

OPO6:00 amPorto

33h 29m

2 stops

MSY9:29 amNew Orleans Louis Armstrong

$784

United Airlines

Oct 19

BTR2:00 pmBaton Rouge Ryan

14h 30m

2 stops

LIS10:30 amLisbon Humberto Delgado

Oct 25

LIS1:00 pmLisbon Humberto Delgado

36h 01m

2 stops

BTR8:01 pmBaton Rouge Ryan

$863

United Airlines

Oct 31

MSY6:15 pmNew Orleans Louis Armstrong

32h 55m

1 stop

LIS8:10 amLisbon Humberto Delgado

Nov 15

LIS11:20 amLisbon Humberto Delgado

37h 47m

2 stops

MSY7:07 pmNew Orleans Louis Armstrong

$875

British Airways flights from Louisiana to Portugal

Our best British Airways deals on Louisiana to Portugal flight tickets

British Airways

Aug 5

MSY9:50 pmNew Orleans Louis Armstrong

19h 25m

1 stop

LIS11:15 pmLisbon Humberto Delgado

Aug 9

LIS7:20 amLisbon Humberto Delgado

18h 40m

1 stop

MSY8:00 pmNew Orleans Louis Armstrong

$1,044

British Airways

Aug 5

MSY9:50 pmNew Orleans Louis Armstrong

14h 05m

1 stop

LIS5:55 pmLisbon Humberto Delgado

Aug 9

LIS7:20 amLisbon Humberto Delgado

18h 40m

1 stop

MSY8:00 pmNew Orleans Louis Armstrong

$1,065

British Airways

May 29

MSY12:15 pmNew Orleans Louis Armstrong

21h 20m

2 stops

LIS3:35 pmLisbon Humberto Delgado

Oct 31

LIS3:55 pmLisbon Humberto Delgado

35h 07m

2 stops

MSY10:02 pmNew Orleans Louis Armstrong

$1,403

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mon 10/12

6:14 pm-7:00 am

2 stops30h 46m

Porto

Fri 10/23

6:00 am-9:29 am

2 stops33h 29m

$784

Baton RougeLisbon

BTR - LIS

BTRLIS

Baton Rouge Ryan

Mon 10/19

2:00 pm-10:30 am

2 stops14h 30m

Lisbon Humberto Delgado

Sun 10/25

1:00 pm-8:01 pm

2 stops36h 01m

$863

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Sat 10/31

6:15 pm-8:10 am

1 stop32h 55m

Lisbon Humberto Delgado

Sun 11/15

11:20 am-7:07 pm

2 stops37h 47m

$875

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Wed 10/28

5:25 pm-11:00 am

1 stop12h 35m

Lisbon Humberto Delgado

Sat 11/7

1:00 pm-12:10 pm

2 stops29h 10m

$877

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Wed 10/28

12:00 pm-8:00 am

2 stops15h 00m

Lisbon Humberto Delgado

Sat 11/7

5:00 am-6:54 pm

2 stops19h 54m

$882

Quickest round-trip

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Wed 10/28

10:19 am-8:00 am

1 stop16h 41m

Lisbon Humberto Delgado

Sat 11/7

10:00 am-6:43 pm

1 stop14h 43m

$889

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Sat 10/31

7:40 pm-8:00 am

1 stop31h 20m

Lisbon Humberto Delgado

Sun 11/15

10:00 am-6:43 pm

1 stop14h 43m

$896

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Wed 10/14

9:50 pm-11:15 pm

1 stop19h 25m

Lisbon Humberto Delgado

Wed 10/21

12:30 pm-11:35 pm

2 stops17h 05m

$903

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 9/16

10:19 am-10:30 am

1 stop18h 11m

Porto

Wed 9/30

5:00 am-6:45 pm

2 stops19h 45m

$904

New OrleansFaro

MSY - FAO

MSYFAO

New Orleans Louis Armstrong

Wed 6/10

5:07 pm-7:30 pm

2 stops20h 23m

Faro

Mon 6/15

9:45 pm-6:02 pm

2 stops26h 17m

$1,215

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 November. Flight prices, which tend to average around $458, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Portugal from Louisiana during February instead. Flights to Portugal in February, while not as cheap as those in November, still average around $480.

How far in advance should I book a flight from Louisiana 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 $1,030 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 $663 on momondo.

Can stopping save me money on Louisiana to Portugal flights?

You could potentially save up to 2% 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	10h 58m
Direct flights	None

The fastest flight from Louisiana to Portugal takes 10h 58m

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

Search flight deals

Frequently asked questions about flying from Louisiana to 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 4 as of May 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 8,455 reviews	Search Delta flights
United Airlines	PriceFrom $511	Free Cancellation	Rating 7.4 9,727 reviews	Search United Airlines flights
British Airways	PriceFrom $517	Free Cancellation	Rating 6.7 7,982 reviews	Search British Airways flights
American Airlines	PriceFrom $880	Free Cancellation	Rating 7.1 11,662 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

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Popular cities

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Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $474

Flights to Portofrom $484

Flights to Funchalfrom $611

Flights to Farofrom $544

Flights to Ponta Delgadafrom $577

Flights to Lajesfrom $653

Flights to Pico Islandfrom $674

Flights to Hortafrom $678

Flights to Porto Santofrom $822

Flights to Velasfrom $845

Cheap flights from Louisiana to Portugal from $334

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 10/13. 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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United Airlines flights from Louisiana to Portugal

Our best United Airlines 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

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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 from Louisiana 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

Frequently asked questions about flying from Louisiana 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?

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