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Cheap flights from Louisiana to Porto from $370

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 8/1. 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

Find the cheapest flights from Louisiana to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 7:00 am
MSY
-
OPO
18h 00m
2 stops
United Airlines Logo
6:00 am - 9:44 pm
OPO
-
MSY
21h 44m
2 stops
$833United Airlines
Wed, Sep 30 - Wed, Oct 7
Air Canada Logo
5:15 am - 7:00 am
MSY
-
OPO
19h 45m
2 stops
Air Canada Logo
11:20 am - 10:50 am
OPO
-
MSY
29h 30m
2 stops
$843Air Canada
Wed, Sep 30 - Wed, Oct 7
United Airlines Logo
9:00 am - 6:55 am
MSY
-
OPO
15h 55m
1 stop
United Airlines Logo
11:50 am - 11:53 pm
OPO
-
MSY
42h 03m
2 stops
$864United Airlines
Wed, Aug 19 - Thu, Sep 10
Air Canada Logo
9:00 am - 7:00 am
MSY
-
OPO
16h 00m
2 stops
Air Canada Logo
11:50 am - 11:53 pm
OPO
-
MSY
42h 03m
2 stops
$867Air Canada
Wed, Aug 19 - Thu, Sep 10
United Airlines Logo
9:00 am - 9:45 am
MSY
-
OPO
18h 45m
1 stop
United Airlines Logo
9:00 am - 6:36 pm
OPO
-
MSY
15h 36m
1 stop
$884United Airlines
Wed, Aug 19 - Thu, Sep 10
United Airlines Logo
11:50 am - 9:45 am
MSY
-
OPO
15h 55m
1 stop
United Airlines Logo
6:00 am - 9:44 pm
OPO
-
MSY
21h 44m
2 stops
$903United Airlines
Wed, Sep 30 - Wed, Oct 7
United Airlines Logo
2:16 pm - 7:10 am
MSY
-
OPO
58h 54m
3 stops
United Airlines Logo
6:00 am - 9:44 pm
OPO
-
MSY
21h 44m
2 stops
$906United Airlines
Wed, Sep 30 - Wed, Oct 7
United Airlines Logo
9:05 am - 6:55 am
MSY
-
OPO
15h 50m
1 stop
United Airlines Logo
11:20 am - 10:42 am
OPO
-
MSY
29h 22m
2 stops
$914United Airlines
Wed, Sep 16 - Wed, Sep 30
Multiple Airlines Logo
11:45 am - 7:00 am
MSY
-
OPO
13h 15m
2 stops
Multiple Airlines Logo
11:20 am - 7:47 pm
OPO
-
MSY
38h 27m
2 stops
$915Multiple Airlines
Wed, Sep 16 - Wed, Sep 30
Multiple Airlines Logo
10:20 am - 10:30 am
MSY
-
OPO
18h 10m
1 stop
Multiple Airlines Logo
5:00 am - 3:19 pm
OPO
-
MSY
16h 19m
2 stops
$927Multiple Airlines
Mon, Aug 24 - Fri, Sep 11

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United Airlines flights from Louisiana to Porto

Our best United Airlines deals on Louisiana to Porto flight tickets
United Airlines
Sep 16
MSY9:05 amNew Orleans Louis Armstrong
15h 50m
1 stop
OPO6:55 amPorto
Sep 30
OPO11:20 amPorto
29h 22m
2 stops
MSY10:42 amNew Orleans Louis Armstrong
$914
United Airlines
Aug 24
MSY9:00 amNew Orleans Louis Armstrong
15h 55m
1 stop
OPO6:55 amPorto
Sep 11
OPO9:00 amPorto
15h 38m
1 stop
MSY6:38 pmNew Orleans Louis Armstrong
$934
United Airlines
Sep 16
MSY7:00 amNew Orleans Louis Armstrong
18h 00m
2 stops
OPO7:00 amPorto
Sep 30
OPO11:20 amPorto
29h 52m
3 stops
MSY11:12 amNew Orleans Louis Armstrong
$990

Delta flights from Louisiana to Porto

Our best Delta deals on Louisiana to Porto flight tickets
Delta
Aug 24
MSY2:55 pmNew Orleans Louis Armstrong
18h 30m
2 stops
OPO3:25 pmPorto
Sep 11
OPO5:00 amPorto
19h 00m
2 stops
MSY6:00 pmNew Orleans Louis Armstrong
$930
Delta
Aug 9
MSY9:05 amNew Orleans Louis Armstrong
19h 35m
2 stops
OPO10:40 amPorto
Aug 16
OPO5:00 amPorto
21h 33m
2 stops
MSY8:33 pmNew Orleans Louis Armstrong
$1,124

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 June 27, 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

Cheapest round-trip

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 9/30

7:00 am-7:00 am

2 stops18h 00m

Porto

Wed 10/7

6:00 am-9:44 pm

2 stops21h 44m

$833

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 9/30

5:15 am-7:00 am

2 stops19h 45m

Porto

Wed 10/7

11:20 am-10:50 am

2 stops29h 30m

$843

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 8/19

9:00 am-6:55 am

1 stop15h 55m

Porto

Thu 9/10

11:50 am-11:53 pm

2 stops42h 03m

$864

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 8/19

9:00 am-7:00 am

2 stops16h 00m

Porto

Thu 9/10

11:50 am-11:53 pm

2 stops42h 03m

$867
Quickest round-trip

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 8/19

9:00 am-9:45 am

1 stop18h 45m

Porto

Thu 9/10

9:00 am-6:36 pm

1 stop15h 36m

$884

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 9/30

11:50 am-9:45 am

1 stop15h 55m

Porto

Wed 10/7

6:00 am-9:44 pm

2 stops21h 44m

$903

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 9/30

2:16 pm-7:10 am

3 stops58h 54m

Porto

Wed 10/7

6:00 am-9:44 pm

2 stops21h 44m

$906

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 9/16

9:05 am-6:55 am

1 stop15h 50m

Porto

Wed 9/30

11:20 am-10:42 am

2 stops29h 22m

$914

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 9/16

11:45 am-7:00 am

2 stops13h 15m

Porto

Wed 9/30

11:20 am-7:47 pm

2 stops38h 27m

$915

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mon 8/24

10:20 am-10:30 am

1 stop18h 10m

Porto

Fri 9/11

5:00 am-3:19 pm

2 stops16h 19m

$927

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 27% 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

15h 50m

Direct flights

None
The fastest flight from Louisiana to Porto takes 15h 50m
There are no direct flights from Louisiana to Porto. There are no popular flight routes from Louisiana to Porto.
Search flight deals

Frequently asked questions about flying from Louisiana to Porto

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

    Prices for flights from Louisiana to Porto Airport refresh daily.

  • 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.

Traveling to a place near Porto?

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