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Cheap flights from Louisiana to Porto from $419

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 Porto departing on 3/15. 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
0 bags

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Find the cheapest flights from Louisiana to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
10:36 am - 2:45 pm
MSY
-
OPO
23h 09m
2 stops
Lufthansa Logo
6:30 am - 9:46 pm
OPO
-
MSY
44h 16m
2 stops
$515Lufthansa
Tue, Mar 10 - Fri, Mar 20
American Airlines Logo
7:22 am - 7:40 am
MSY
-
OPO
18h 18m
2 stops
American Airlines Logo
8:20 am - 11:22 pm
OPO
-
MSY
21h 02m
2 stops
$550American Airlines
Fri, Apr 24 - Thu, May 7
Lufthansa Logo
1:00 pm - 9:45 am
MSY
-
OPO
14h 45m
1 stop
Lufthansa Logo
6:00 am - 9:32 pm
OPO
-
MSY
21h 32m
2 stops
$623Lufthansa
Fri, Apr 24 - Thu, May 7
United Airlines Logo
7:00 am - 9:30 am
MSY
-
OPO
20h 30m
2 stops
United Airlines Logo
12:35 pm - 8:34 am
OPO
-
MSY
25h 59m
2 stops
$701United Airlines
Thu, Feb 26 - Mon, Mar 2
Lufthansa Logo
1:00 pm - 9:45 am
MSY
-
OPO
14h 45m
1 stop
Lufthansa Logo
6:00 am - 7:44 pm
OPO
-
MSY
19h 44m
2 stops
$723Lufthansa
Fri, Apr 24 - Thu, May 7
Lufthansa Logo
12:35 pm - 11:40 am
MSY
-
OPO
18h 05m
2 stops
Lufthansa Logo
12:45 pm - 11:59 pm
OPO
-
MSY
16h 14m
1 stop
$804Lufthansa
Tue, Mar 10 - Fri, Mar 20
Lufthansa Logo
2:13 pm - 2:45 pm
MSY
-
OPO
19h 32m
2 stops
Lufthansa Logo
12:45 pm - 11:59 pm
OPO
-
MSY
16h 14m
1 stop
$810Lufthansa
Tue, Mar 10 - Fri, Mar 20
Lufthansa Logo
1:00 pm - 9:45 am
MSY
-
OPO
14h 45m
1 stop
Lufthansa Logo
12:35 pm - 11:54 pm
OPO
-
MSY
17h 19m
1 stop
$912Lufthansa
Fri, Apr 24 - Thu, May 7
United Airlines Logo
7:00 am - 9:45 am
MSY
-
OPO
20h 45m
3 stops
United Airlines Logo
6:00 am - 10:42 pm
OPO
-
MSY
22h 42m
2 stops
$956United Airlines
Fri, Apr 24 - Thu, May 7
Multiple Airlines Logo
6:00 am - 6:50 am
MSY
-
OPO
18h 50m
2 stops
Multiple Airlines Logo
4:35 pm - 9:41 pm
OPO
-
MSY
35h 06m
2 stops
$978Multiple Airlines
Sun, Jun 7 - Sun, Jun 14

United Airlines flights from Louisiana to Porto

Our best United Airlines deals on Louisiana to Porto flight tickets
United Airlines
Feb 26
MSY7:00 amNew Orleans Louis Armstrong
20h 30m
2 stops
OPO9:30 amPorto
Mar 2
OPO12:35 pmPorto
25h 59m
2 stops
MSY8:34 amNew Orleans Louis Armstrong
$701
United Airlines
Apr 24
MSY7:00 amNew Orleans Louis Armstrong
20h 45m
3 stops
OPO9:45 amPorto
May 7
OPO6:00 amPorto
22h 42m
2 stops
MSY10:42 pmNew Orleans Louis Armstrong
$956
United Airlines
Mar 16
MSY9:37 amNew Orleans Louis Armstrong
18h 53m
2 stops
OPO9:30 amPorto
Mar 19
OPO6:00 amPorto
22h 28m
3 stops
MSY11:28 pmNew Orleans Louis Armstrong
$1,161

Lufthansa flights from Louisiana to Porto

Our best Lufthansa deals on Louisiana to Porto flight tickets
Lufthansa
Mar 10
MSY10:36 amNew Orleans Louis Armstrong
23h 09m
2 stops
OPO2:45 pmPorto
Mar 20
OPO6:30 amPorto
44h 16m
2 stops
MSY9:46 pmNew Orleans Louis Armstrong
$515
Lufthansa
Apr 24
MSY1:00 pmNew Orleans Louis Armstrong
14h 45m
1 stop
OPO9:45 amPorto
May 7
OPO6:00 amPorto
21h 32m
2 stops
MSY9:32 pmNew Orleans Louis Armstrong
$623
Lufthansa
Apr 24
MSY1:00 pmNew Orleans Louis Armstrong
14h 45m
1 stop
OPO9:45 amPorto
May 7
OPO6:00 amPorto
19h 44m
2 stops
MSY7:44 pmNew Orleans Louis Armstrong
$723

momondo Fare Finder

 
Customize your flight search to find flights from Louisiana to Porto 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 February 11, 2026.
Use the filters below to find and compare flights from Louisiana to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

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

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Thu 2/26

7:00 am-9:30 am

2 stops20h 30m

Porto

Mon 3/2

12:35 pm-8:34 am

2 stops25h 59m

$701

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-7:44 pm

2 stops19h 44m

$723

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 3/10

12:35 pm-11:40 am

2 stops18h 05m

Porto

Fri 3/20

12:45 pm-11:59 pm

1 stop16h 14m

$804

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 3/10

2:13 pm-2:45 pm

2 stops19h 32m

Porto

Fri 3/20

12:45 pm-11:59 pm

1 stop16h 14m

$810

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

12:35 pm-11:54 pm

1 stop17h 19m

$912

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Fri 4/24

7:00 am-9:45 am

3 stops20h 45m

Porto

Thu 5/7

6:00 am-10:42 pm

2 stops22h 42m

$956

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sun 6/7

6:00 am-6:50 am

2 stops18h 50m

Porto

Sun 6/14

4:35 pm-9:41 pm

2 stops35h 06m

$978

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Porto from

How to get the cheapest flight ticket from Louisiana to Porto

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

Can stopping save me money on Louisiana to Porto flights?

You could potentially save up to 2% on your flight if you consider stops on a Louisiana to Porto flight.

Cheap Louisiana to Porto flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisiana to Porto

Fastest flight time

17h 50m

Direct flights

None
The fastest flight from Louisiana to Porto takes 17h 50m
There are no direct flights from Louisiana to Porto. There are no popular flight routes from Louisiana to Porto.
Search flight deals

  • When did momondo last update prices for flights from Louisiana to Porto Airport?

    Prices for flights from Louisiana to Porto Airport refresh daily.

  • How many operators does momondo search for flights from Louisiana to Porto Airport?

  • How old do you have to be to fly from Louisiana to Porto Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisiana to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The required travel and health documents for your Porto Airport 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 Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Louisiana to Porto

Compare and see reviews for airlines that fly from Louisiana to Porto with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $592Free CancellationRating
7.4
9,276 reviews
Search United Airlines flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Matosinhos
Braga
Aveiro
Esposende
Lamego
Guimarães
Pinhao
Chaves
Espinho
Arcos de Valdevez
Viseu
Ponte de Lima
Curia
Penafiel
Mesao Frio
Mira
Baiao

Why use momondo?

Why should I use momondo to find a flight deal from Louisiana to Porto?

It is quick and easy to find Louisiana to Porto flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Porto that suits you.

Can I find flights from Louisiana to Porto with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Porto from Louisiana with this policy.

How can momondo help me find flights from Louisiana to Porto?

Once you have performed a search for Louisiana to Porto 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 Porto right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Louisiana to Porto now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Porto and let you know when they change.

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Fri 3/13
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