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

Aer Lingus, Lufthansa, and British Airways 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 33m on average, while flying from Baton Rouge to Lisbon is 14h 15m on average. Lisbon is the most popular airport in 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 44% 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.

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 November 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.

$271 Cheap Flights from Louisiana to Portugal in 2025/26

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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.

6:00 am - 9:20 amMSY-LIS

21h 20m2 stops

11:20 am - 6:42 pmLIS-MSY

37h 22m2 stops

$483Air Canada

Find Deal

Tue, Feb 17 - Tue, Feb 24

12:48 pm - 8:55 amMSY-LIS

38h 07m2 stops

11:20 am - 7:49 pmLIS-MSY

38h 29m2 stops

$488United Airlines

Find Deal

Fri, Feb 13 - Sat, Feb 21

7:50 pm - 8:10 amMSY-LIS

30h 20m1 stop

11:20 am - 5:17 pmLIS-MSY

35h 57m2 stops

$490Multiple Airlines

Find Deal

Tue, Feb 17 - Tue, Feb 24

11:52 am - 9:30 amMSY-FAO

15h 38m2 stops

7:45 pm - 5:41 pmFAO-MSY

27h 56m2 stops

$495KLM

Find Deal

Tue, Jan 13 - Tue, Jan 20

1:58 pm - 6:55 pmMSY-FAO

22h 57m2 stops

10:20 am - 6:08 pmFAO-MSY

37h 48m2 stops

$496KLM

Find Deal

Mon, Jan 12 - Wed, Jan 21

3:05 pm - 8:00 amMSY-LIS

10h 55m1 stop

5:00 am - 9:52 pmLIS-MSY

22h 52m2 stops

$496Delta

Find Deal

Wed, Dec 10 - Thu, Dec 25

11:01 am - 9:05 amMSY-LIS

16h 04m1 stop

6:30 am - 8:51 pmLIS-MSY

20h 21m2 stops

$504Multiple Airlines

Find Deal

Mon, Dec 29 - Sat, Jan 17

2:13 pm - 12:40 pmMSY-FAO

16h 27m2 stops

1:55 pm - 11:44 pmFAO-MSY

39h 49m2 stops

$516Lufthansa

Find Deal

Sat, Jan 10 - Sat, Jan 17

2:15 pm - 11:30 pmMSY-LIS

27h 15m2 stops

5:00 am - 10:21 pmLIS-MSY

23h 21m2 stops

$531Lufthansa

Find Deal

Tue, Nov 25 - Wed, Dec 3

3:02 pm - 8:00 amMSY-LIS

10h 58m1 stop

5:00 am - 4:32 pmLIS-MSY

17h 32m2 stops

$613Delta

Find Deal

Tue, Nov 25 - Wed, Dec 3

Air Canada flights from Louisiana to Portugal

Our best Air Canada deals on Louisiana to Portugal flight tickets

Air Canada

Feb 17

MSY6:00 amNew Orleans Louis Armstrong

21h 20m

2 stops

LIS9:20 amLisbon Humberto Delgado

Feb 24

LIS11:20 amLisbon Humberto Delgado

37h 22m

2 stops

MSY6:42 pmNew Orleans Louis Armstrong

$483

Find similar

Air Canada

Dec 10

MSY7:30 pmNew Orleans Louis Armstrong

31h 50m

2 stops

LIS9:20 amLisbon Humberto Delgado

Dec 25

LIS10:55 amLisbon Humberto Delgado

36h 22m

2 stops

MSY5:17 pmNew Orleans Louis Armstrong

$497

Find similar

Air Canada

Dec 29

MSY7:55 pmNew Orleans Louis Armstrong

55h 00m

2 stops

LIS8:55 amLisbon Humberto Delgado

Jan 17

LIS11:20 amLisbon Humberto Delgado

37h 54m

2 stops

MSY7:14 pmNew Orleans Louis Armstrong

$503

Find similar

United Airlines flights from Louisiana to Portugal

Our best United Airlines deals on Louisiana to Portugal flight tickets

United Airlines

Feb 13

MSY12:48 pmNew Orleans Louis Armstrong

38h 07m

2 stops

LIS8:55 amLisbon Humberto Delgado

Feb 21

LIS11:20 amLisbon Humberto Delgado

38h 29m

2 stops

MSY7:49 pmNew Orleans Louis Armstrong

$488

Find similar

United Airlines

Feb 8

MSY9:05 amNew Orleans Louis Armstrong

17h 05m

2 stops

LIS8:10 amLisbon Humberto Delgado

Feb 15

LIS5:00 amLisbon Humberto Delgado

42h 17m

2 stops

MSY5:17 pmNew Orleans Louis Armstrong

$492

Find similar

United Airlines

Feb 14

MSY10:35 amNew Orleans Louis Armstrong

22h 30m

2 stops

OPO3:05 pmPorto

Feb 21

OPO6:00 amPorto

41h 17m

2 stops

MSY5:17 pmNew Orleans Louis Armstrong

$500

Find similar

Fly from

Fly to

Route

Depart

Return

Price

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Tue 2/17

6:00 am-9:20 am

2 stops21h 20m

Lisbon Humberto Delgado

Tue 2/24

11:20 am-6:42 pm

2 stops37h 22m

$483

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Fri 2/13

12:48 pm-8:55 am

2 stops38h 07m

Lisbon Humberto Delgado

Sat 2/21

11:20 am-7:49 pm

2 stops38h 29m

$488

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Tue 2/17

7:50 pm-8:10 am

1 stop30h 20m

Lisbon Humberto Delgado

Tue 2/24

11:20 am-5:17 pm

2 stops35h 57m

$490

New OrleansFaro

MSY - FAO

MSYFAO

New Orleans Louis Armstrong

Tue 1/13

11:52 am-9:30 am

2 stops15h 38m

Faro

Tue 1/20

7:45 pm-5:41 pm

2 stops27h 56m

$495

New OrleansFaro

MSY - FAO

MSYFAO

New Orleans Louis Armstrong

Mon 1/12

1:58 pm-6:55 pm

2 stops22h 57m

Faro

Wed 1/21

10:20 am-6:08 pm

2 stops37h 48m

$496

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Wed 12/10

3:05 pm-8:00 am

1 stop10h 55m

Lisbon Humberto Delgado

Thu 12/25

5:00 am-9:52 pm

2 stops22h 52m

$496

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Mon 12/29

11:01 am-9:05 am

1 stop16h 04m

Lisbon Humberto Delgado

Sat 1/17

6:30 am-8:51 pm

2 stops20h 21m

$504

New OrleansFaro

MSY - FAO

MSYFAO

New Orleans Louis Armstrong

Sat 1/10

2:13 pm-12:40 pm

2 stops16h 27m

Faro

Sat 1/17

1:55 pm-11:44 pm

2 stops39h 49m

$516

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Tue 11/25

2:15 pm-11:30 pm

2 stops27h 15m

Lisbon Humberto Delgado

Wed 12/3

5:00 am-10:21 pm

2 stops23h 21m

$531

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Tue 11/25

3:02 pm-8:00 am

1 stop10h 58m

Lisbon Humberto Delgado

Wed 12/3

5:00 am-4:32 pm

2 stops17h 32m

$613

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 $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 $737.

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 $1,047 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 $766 on momondo.

Can stopping save me money on Louisiana to Portugal flights?

You could potentially save up to 35% 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

Direct flights	None

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 November 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
Delta	PriceFrom $562	Free Cancellation	Rating 7.9 8,001 reviews	Search Delta flights
Virgin Atlantic	PriceFrom $588	Free Cancellation	Rating 7.5 672 reviews	Search Virgin Atlantic flights
United Airlines	PriceFrom $592	Free Cancellation	Rating 7.4 9,014 reviews	Search United Airlines flights
American Airlines	PriceFrom $613	Free Cancellation	Rating 7.2 11,046 reviews	Search American Airlines flights
KLM	PriceFrom $613	Free Cancellation	Rating 7.7 1,409 reviews	Search KLM flights
British Airways	PriceFrom $736	Free Cancellation	Rating 6.7 7,505 reviews	Search British Airways 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.