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Cheap flights from Louisiana to Portugal from $425

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 9/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisiana to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:00 pm - 9:30 am
MSY
-
OPO
14h 30m
1 stop
United Airlines Logo
6:00 am - 10:21 pm
OPO
-
MSY
22h 21m
2 stops
$717United Airlines
Mon, Dec 7 - Thu, Dec 10
United Airlines Logo
9:45 am - 9:30 am
MSY
-
OPO
17h 45m
2 stops
United Airlines Logo
6:00 am - 10:21 pm
OPO
-
MSY
22h 21m
2 stops
$721United Airlines
Mon, Dec 7 - Thu, Dec 10
United Airlines Logo
6:00 am - 9:30 am
MSY
-
OPO
21h 30m
1 stop
United Airlines Logo
12:35 pm - 11:37 pm
OPO
-
MSY
17h 02m
1 stop
$726United Airlines
Mon, Dec 7 - Thu, Dec 10
Multiple Airlines Logo
7:00 am - 6:55 am
MSY
-
LIS
17h 55m
3 stops
Multiple Airlines Logo
5:00 am - 10:23 am
LIS
-
MSY
35h 23m
2 stops
$742Multiple Airlines
Wed, Nov 11 - Wed, Nov 18
Multiple Airlines Logo
12:45 pm - 10:20 am
MSY
-
LIS
15h 35m
1 stop
Multiple Airlines Logo
11:20 am - 10:23 am
LIS
-
MSY
29h 03m
1 stop
$744Multiple Airlines
Wed, Nov 11 - Wed, Nov 18
Delta Logo
7:45 am - 10:30 am
MSY
-
OPO
20h 45m
2 stops
Delta Logo
11:35 am - 11:35 pm
OPO
-
MSY
18h 00m
2 stops
$779Delta
Tue, Oct 13 - Thu, Oct 22
Delta Logo
7:00 pm - 10:30 am
MSY
-
OPO
33h 30m
1 stop
Delta Logo
11:35 am - 11:35 pm
OPO
-
MSY
18h 00m
2 stops
$780Delta
Mon, Oct 12 - Thu, Oct 22
Air Canada Logo
2:15 pm - 9:20 am
MSY
-
LIS
38h 05m
2 stops
Air Canada Logo
10:50 am - 8:35 pm
LIS
-
MSY
39h 45m
2 stops
$788Air Canada
Sat, Oct 31 - Sun, Nov 15
Lufthansa Logo
7:56 pm - 8:10 am
MSY
-
LIS
31h 14m
1 stop
Lufthansa Logo
5:00 am - 5:47 pm
LIS
-
MSY
18h 47m
2 stops
$789Lufthansa
Sat, Oct 31 - Sun, Nov 15
Lufthansa Logo
6:14 pm - 11:45 am
BTR
-
LIS
35h 31m
2 stops
Lufthansa Logo
10:25 am - 8:43 am
LIS
-
BTR
28h 18m
2 stops
$4,727Lufthansa
Mon, Aug 17 - Wed, Sep 16

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Air Canada flights from Louisiana to Portugal

Our best Air Canada deals on Louisiana to Portugal flight tickets
Air Canada
Oct 31
MSY2:15 pmNew Orleans Louis Armstrong
38h 05m
2 stops
LIS9:20 amLisbon Humberto Delgado
Nov 15
LIS10:50 amLisbon Humberto Delgado
39h 45m
2 stops
MSY8:35 pmNew Orleans Louis Armstrong
$788
Air Canada
Oct 31
MSY2:15 pmNew Orleans Louis Armstrong
38h 05m
2 stops
LIS9:20 amLisbon Humberto Delgado
Nov 15
LIS10:50 amLisbon Humberto Delgado
39h 45m
2 stops
MSY8:35 pmNew Orleans Louis Armstrong
$794
Air Canada
Oct 6
MSY7:00 amNew Orleans Louis Armstrong
18h 00m
2 stops
OPO7:00 amPorto
Oct 13
OPO12:15 pmPorto
35h 33m
2 stops
MSY5:48 pmNew Orleans Louis Armstrong
$821

Lufthansa flights from Louisiana to Portugal

Our best Lufthansa deals on Louisiana to Portugal flight tickets
Lufthansa
Oct 31
MSY7:56 pmNew Orleans Louis Armstrong
31h 14m
1 stop
LIS8:10 amLisbon Humberto Delgado
Nov 15
LIS5:00 amLisbon Humberto Delgado
18h 47m
2 stops
MSY5:47 pmNew Orleans Louis Armstrong
$789
Lufthansa
Oct 31
MSY11:30 amNew Orleans Louis Armstrong
16h 25m
1 stop
LIS8:55 amLisbon Humberto Delgado
Nov 15
LIS5:00 amLisbon Humberto Delgado
24h 47m
2 stops
MSY11:47 pmNew Orleans Louis Armstrong
$830
Lufthansa
Oct 31
MSY11:30 amNew Orleans Louis Armstrong
16h 25m
1 stop
LIS8:55 amLisbon Humberto Delgado
Nov 15
LIS10:15 amLisbon Humberto Delgado
19h 32m
1 stop
MSY11:47 pmNew Orleans Louis Armstrong
$849

momondo Fare Finder

 
Customize your flight search to find flights from Louisiana to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 1, 2026.
Use the filters below to find and compare flights from Louisiana to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mon 12/7

1:00 pm-9:30 am

1 stop14h 30m

Porto

Thu 12/10

6:00 am-10:21 pm

2 stops22h 21m

$717

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mon 12/7

9:45 am-9:30 am

2 stops17h 45m

Porto

Thu 12/10

6:00 am-10:21 pm

2 stops22h 21m

$721

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mon 12/7

6:00 am-9:30 am

1 stop21h 30m

Porto

Thu 12/10

12:35 pm-11:37 pm

1 stop17h 02m

$726

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Wed 11/11

7:00 am-6:55 am

3 stops17h 55m

Lisbon Humberto Delgado

Wed 11/18

5:00 am-10:23 am

2 stops35h 23m

$742

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Wed 11/11

12:45 pm-10:20 am

1 stop15h 35m

Lisbon Humberto Delgado

Wed 11/18

11:20 am-10:23 am

1 stop29h 03m

$744

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 10/13

7:45 am-10:30 am

2 stops20h 45m

Porto

Thu 10/22

11:35 am-11:35 pm

2 stops18h 00m

$779

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mon 10/12

7:00 pm-10:30 am

1 stop33h 30m

Porto

Thu 10/22

11:35 am-11:35 pm

2 stops18h 00m

$780

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Sat 10/31

2:15 pm-9:20 am

2 stops38h 05m

Lisbon Humberto Delgado

Sun 11/15

10:50 am-8:35 pm

2 stops39h 45m

$788

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Sat 10/31

7:56 pm-8:10 am

1 stop31h 14m

Lisbon Humberto Delgado

Sun 11/15

5:00 am-5:47 pm

2 stops18h 47m

$789

Baton RougeLisbon

BTR - LIS

BTRLIS

Baton Rouge Ryan

Mon 8/17

6:14 pm-11:45 am

2 stops35h 31m

Lisbon Humberto Delgado

Wed 9/16

10:25 am-8:43 am

2 stops28h 18m

$4,727

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portugal from

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?

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.

Can stopping save me money on Louisiana to Portugal flights?

You could potentially save up to 27% 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

14h 09m

Direct flights

None
The fastest flight from Louisiana to Portugal takes 14h 09m
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?

  • 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
DeltaPriceFrom $458Free CancellationRating
7.8
8,452 reviews
Search Delta flights
United AirlinesPriceFrom $511Free CancellationRating
7.4
9,915 reviews
Search United Airlines flights
British AirwaysPriceFrom $517Free CancellationRating
6.7
8,087 reviews
Search British Airways flights
American AirlinesPriceFrom $830Free CancellationRating
7.1
11,766 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.

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Find better results for your trip to Portugal

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Popular flights according to clicks in the last 7 days on momondo
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