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 50m on average, while flying from Baton Rouge to Lisbon is 14h 10m 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 43% 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.

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

British Airways and Delta are the most popular carriers operating 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 6 as of December 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.

$315 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

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:55 pm - 2:45 pm

MSY

LIS

12h 50m1 stop

7:05 am - 5:55 pm

LIS

MSY

16h 50m1 stop

$485British Airways

mar., feb. 10 - mar., feb. 17

12:00 pm - 8:10 am

BTR

LIS

14h 10m2 stops

11:20 am - 5:32 pm

LIS

BTR

36h 12m2 stops

$495United Airlines

lun., feb. 9 - lun., feb. 16

12:48 pm - 10:15 am

MSY

LIS

15h 27m1 stop

6:10 am - 6:06 pm

LIS

MSY

17h 56m2 stops

$496United Airlines

vie., feb. 27 - mar., mar. 3

2:40 pm - 8:00 am

MSY

LIS

11h 20m1 stop

5:00 am - 7:16 pm

LIS

MSY

20h 16m2 stops

$497Delta

jue., feb. 26 - mié., mar. 4

1:16 pm - 7:20 pm

MSY

FAO

24h 04m2 stops

7:15 pm - 6:55 pm

FAO

MSY

29h 40m2 stops

$498KLM

jue., feb. 26 - lun., mar. 2

7:55 pm - 9:45 pm

MSY

LIS

19h 50m1 stop

6:30 am - 9:30 pm

LIS

MSY

21h 00m2 stops

$498Multiple Airlines

mar., feb. 10 - mar., feb. 17

12:34 pm - 11:35 am

MSY

LIS

17h 01m2 stops

5:00 am - 11:59 pm

LIS

MSY

24h 59m2 stops

$500Lufthansa

jue., feb. 26 - mié., mar. 4

6:05 pm - 11:30 pm

MSY

LIS

47h 25m2 stops

5:00 am - 5:17 pm

LIS

MSY

42h 17m2 stops

$501Multiple Airlines

dom., feb. 8 - dom., feb. 15

2:26 pm - 10:25 pm

MSY

OPO

25h 59m2 stops

12:30 pm - 6:13 pm

OPO

MSY

35h 43m2 stops

$546Lufthansa

vie., ene. 23 - sáb., ene. 31

2:20 pm - 3:25 pm

MSY

OPO

19h 05m2 stops

5:00 am - 6:45 pm

OPO

MSY

19h 45m2 stops

$796Delta

lun., may. 25 - mié., jun. 3

United Airlines flights from Louisiana to Portugal

Our best United Airlines deals on Louisiana to Portugal flight tickets

United Airlines

Feb 9

BTR12:00 pmBaton Rouge Ryan

14h 10m

2 stops

LIS8:10 amLisbon Humberto Delgado

Feb 16

LIS11:20 amLisbon Humberto Delgado

36h 12m

2 stops

BTR5:32 pmBaton Rouge Ryan

$495

Find similar

United Airlines

Feb 27

MSY12:48 pmNew Orleans Louis Armstrong

15h 27m

1 stop

LIS10:15 amLisbon Humberto Delgado

Mar 3

LIS6:10 amLisbon Humberto Delgado

17h 56m

2 stops

MSY6:06 pmNew Orleans Louis Armstrong

$496

Find similar

United Airlines

Jan 23

BTR9:30 amBaton Rouge Ryan

16h 40m

2 stops

LIS8:10 amLisbon Humberto Delgado

Jan 27

LIS5:00 amLisbon Humberto Delgado

35h 47m

2 stops

BTR10:47 amBaton Rouge Ryan

$499

Find similar

British Airways flights from Louisiana to Portugal

Our best British Airways deals on Louisiana to Portugal flight tickets

British Airways

Feb 10

MSY7:55 pmNew Orleans Louis Armstrong

12h 50m

1 stop

LIS2:45 pmLisbon Humberto Delgado

Feb 17

LIS7:05 amLisbon Humberto Delgado

16h 50m

1 stop

MSY5:55 pmNew Orleans Louis Armstrong

$485

Find similar

British Airways

Mar 20

MSY7:35 amNew Orleans Louis Armstrong

23h 30m

2 stops

LIS12:05 pmLisbon Humberto Delgado

Mar 30

LIS6:45 pmLisbon Humberto Delgado

29h 18m

2 stops

MSY6:03 pmNew Orleans Louis Armstrong

$508

Find similar

British Airways

Mar 1

MSY3:01 pmNew Orleans Louis Armstrong

20h 44m

2 stops

LIS5:45 pmLisbon Humberto Delgado

Mar 14

LIS7:00 amLisbon Humberto Delgado

21h 59m

2 stops

MSY11:59 pmNew Orleans Louis Armstrong

$572

Find similar

Fly from

Fly to

Route

Depart

Return

Price

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

mar. 2/10

7:55 pm-2:45 pm

1 stop12h 50m

Lisbon Humberto Delgado

mar. 2/17

7:05 am-5:55 pm

1 stop16h 50m

$485

Baton RougeLisbon

BTR - LIS

BTRLIS

Baton Rouge Ryan

lun. 2/9

12:00 pm-8:10 am

2 stops14h 10m

Lisbon Humberto Delgado

lun. 2/16

11:20 am-5:32 pm

2 stops36h 12m

$495

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

vie. 2/27

12:48 pm-10:15 am

1 stop15h 27m

Lisbon Humberto Delgado

mar. 3/3

6:10 am-6:06 pm

2 stops17h 56m

$496

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

jue. 2/26

2:40 pm-8:00 am

1 stop11h 20m

Lisbon Humberto Delgado

mié. 3/4

5:00 am-7:16 pm

2 stops20h 16m

$497

New OrleansFaro

MSY - FAO

MSYFAO

New Orleans Louis Armstrong

jue. 2/26

1:16 pm-7:20 pm

2 stops24h 04m

Faro

lun. 3/2

7:15 pm-6:55 pm

2 stops29h 40m

$498

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

mar. 2/10

7:55 pm-9:45 pm

1 stop19h 50m

Lisbon Humberto Delgado

mar. 2/17

6:30 am-9:30 pm

2 stops21h 00m

$498

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

jue. 2/26

12:34 pm-11:35 am

2 stops17h 01m

Lisbon Humberto Delgado

mié. 3/4

5:00 am-11:59 pm

2 stops24h 59m

$500

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

dom. 2/8

6:05 pm-11:30 pm

2 stops47h 25m

Lisbon Humberto Delgado

dom. 2/15

5:00 am-5:17 pm

2 stops42h 17m

$501

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

vie. 1/23

2:26 pm-10:25 pm

2 stops25h 59m

Porto

sáb. 1/31

12:30 pm-6:13 pm

2 stops35h 43m

$546

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

lun. 5/25

2:20 pm-3:25 pm

2 stops19h 05m

Porto

mié. 6/3

5:00 am-6:45 pm

2 stops19h 45m

$796

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 $663, 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 November instead. Flights to Portugal in November, while not as cheap as those in February, still average around $792.

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 $1,050 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 $814 on momondo.

Can stopping save me money on Louisiana to Portugal flights?

You could potentially save up to 26% 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	12h 50m
Direct flights	None

The fastest flight from Louisiana to Portugal takes 12h 50m

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 December 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 $505	Free Cancellation	Rating 7.9 8,018 reviews	Search Delta flights
Virgin Atlantic	PriceFrom $588	Free Cancellation	Rating 7.5 677 reviews	Search Virgin Atlantic flights
United Airlines	PriceFrom $592	Free Cancellation	Rating 7.4 9,116 reviews	Search United Airlines flights
American Airlines	PriceFrom $613	Free Cancellation	Rating 7.2 11,068 reviews	Search American Airlines flights
KLM	PriceFrom $679	Free Cancellation	Rating 7.7 1,434 reviews	Search KLM flights
British Airways	PriceFrom $692	Free Cancellation	Rating 6.7 7,616 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.