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Cheap flights from Louisiana to Porto from $349

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 4/24. 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

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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.
American Airlines Logo
6:12 am - 7:40 am
MSY
-
OPO
19h 28m
2 stops
American Airlines Logo
12:25 pm - 11:22 pm
OPO
-
MSY
16h 57m
2 stops
$789American Airlines
Di, Mai 5 - Di, Mai 12
Iberia Logo
5:21 pm - 8:00 pm
MSY
-
OPO
20h 39m
2 stops
Iberia Logo
8:20 am - 11:22 pm
OPO
-
MSY
21h 02m
2 stops
$790Iberia
Fr, Apr 24 - Do, Mai 7
United Airlines Logo
12:57 pm - 3:45 pm
MSY
-
OPO
20h 48m
2 stops
United Airlines Logo
12:35 pm - 11:14 am
OPO
-
MSY
28h 39m
2 stops
$810United Airlines
Do, Apr 30 - Fr, Mai 8
Multiple Airlines Logo
5:16 pm - 3:25 pm
MSY
-
OPO
16h 09m
2 stops
Multiple Airlines Logo
11:25 am - 10:45 pm
OPO
-
MSY
17h 20m
2 stops
$833Multiple Airlines
Fr, Apr 24 - Do, Mai 7
Delta Logo
3:36 pm - 6:15 pm
MSY
-
OPO
20h 39m
2 stops
Delta Logo
11:25 am - 11:54 pm
OPO
-
MSY
18h 29m
2 stops
$837Delta
Do, Mai 7 - Do, Mai 14
KLM Logo
11:26 am - 10:40 am
MSY
-
OPO
17h 14m
2 stops
KLM Logo
11:25 am - 11:54 pm
OPO
-
MSY
18h 29m
2 stops
$838KLM
Fr, Apr 24 - Do, Mai 7
Lufthansa Logo
12:13 pm - 10:20 am
MSY
-
OPO
16h 07m
2 stops
Lufthansa Logo
12:35 pm - 11:54 pm
OPO
-
MSY
17h 19m
1 stop
$844Lufthansa
Do, Apr 30 - Fr, Mai 8
KLM Logo
10:19 am - 10:30 am
MSY
-
OPO
18h 11m
1 stop
KLM Logo
5:55 am - 6:45 pm
OPO
-
MSY
18h 50m
2 stops
$893KLM
Mi, Sep 16 - Mi, Sep 30
KLM Logo
11:25 am - 10:30 am
MSY
-
OPO
17h 05m
2 stops
KLM Logo
5:55 am - 6:45 pm
OPO
-
MSY
18h 50m
2 stops
$898KLM
Mi, Sep 16 - Mi, Sep 30
Air Canada Logo
7:00 am - 7:00 am
MSY
-
OPO
18h 00m
2 stops
Air Canada Logo
2:25 pm - 6:03 pm
OPO
-
MSY
33h 38m
2 stops
$907Air Canada
Mi, Sep 16 - Mi, Sep 30

United Airlines flights from Louisiana to Porto

Our best United Airlines deals on Louisiana to Porto flight tickets
United Airlines
Apr 30
MSY12:57 pmNew Orleans Louis Armstrong
20h 48m
2 stops
OPO3:45 pmPorto
May 8
OPO12:35 pmPorto
28h 39m
2 stops
MSY11:14 amNew Orleans Louis Armstrong
$810
United Airlines
May 7
MSY7:00 amNew Orleans Louis Armstrong
22h 15m
3 stops
OPO11:15 amPorto
May 14
OPO6:00 amPorto
23h 29m
2 stops
MSY11:29 pmNew Orleans Louis Armstrong
$1,046
United Airlines
Sep 16
MSY7:00 amNew Orleans Louis Armstrong
18h 00m
3 stops
OPO7:00 amPorto
Sep 30
OPO12:35 pmPorto
16h 40m
2 stops
MSY11:15 pmNew Orleans Louis Armstrong
$1,193

Lufthansa flights from Louisiana to Porto

Our best Lufthansa deals on Louisiana to Porto flight tickets
Lufthansa
Apr 30
MSY12:13 pmNew Orleans Louis Armstrong
16h 07m
2 stops
OPO10:20 amPorto
May 8
OPO12:35 pmPorto
17h 19m
1 stop
MSY11:54 pmNew Orleans Louis Armstrong
$844
Lufthansa
Apr 30
MSY5:32 pmNew Orleans Louis Armstrong
40h 13m
2 stops
OPO3:45 pmPorto
May 8
OPO12:35 pmPorto
17h 19m
1 stop
MSY11:54 pmNew Orleans Louis Armstrong
$911
Lufthansa
Apr 24
MSY3:48 pmNew Orleans Louis Armstrong
41h 57m
2 stops
OPO3:45 pmPorto
May 7
OPO12:35 pmPorto
17h 19m
1 stop
MSY11:54 pmNew Orleans Louis Armstrong
$927

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 März 28, 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

Di 5/5

6:12 am-7:40 am

2 stops19h 28m

Porto

Di 5/12

12:25 pm-11:22 pm

2 stops16h 57m

$789

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Fr 4/24

5:21 pm-8:00 pm

2 stops20h 39m

Porto

Do 5/7

8:20 am-11:22 pm

2 stops21h 02m

$790

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Do 4/30

12:57 pm-3:45 pm

2 stops20h 48m

Porto

Fr 5/8

12:35 pm-11:14 am

2 stops28h 39m

$810

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Fr 4/24

5:16 pm-3:25 pm

2 stops16h 09m

Porto

Do 5/7

11:25 am-10:45 pm

2 stops17h 20m

$833

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Do 5/7

3:36 pm-6:15 pm

2 stops20h 39m

Porto

Do 5/14

11:25 am-11:54 pm

2 stops18h 29m

$837

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Fr 4/24

11:26 am-10:40 am

2 stops17h 14m

Porto

Do 5/7

11:25 am-11:54 pm

2 stops18h 29m

$838
Quickest round-trip

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Do 4/30

12:13 pm-10:20 am

2 stops16h 07m

Porto

Fr 5/8

12:35 pm-11:54 pm

1 stop17h 19m

$844

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mi 9/16

10:19 am-10:30 am

1 stop18h 11m

Porto

Mi 9/30

5:55 am-6:45 pm

2 stops18h 50m

$893

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mi 9/16

11:25 am-10:30 am

2 stops17h 05m

Porto

Mi 9/30

5:55 am-6:45 pm

2 stops18h 50m

$898

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mi 9/16

7:00 am-7:00 am

2 stops18h 00m

Porto

Mi 9/30

2:25 pm-6:03 pm

2 stops33h 38m

$907

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 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 15% 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

14h 15m

Direct flights

None
The fastest flight from Louisiana to Porto takes 14h 15m
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 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
Aveiro
Braga
Matosinhos
Lamego
Esposende
Chaves
Pinhao
Guimarães
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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