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Cheap flights from Louisiana to Porto from $373

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 9/11. 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.
Multiple Airlines Logo
11:30 am - 12:50 pmMSY  New Orleans Louis Armstrong-OPO Porto
19h 20m2 stops Toronto Pearson Intl Munich Franz Josef Strauss
Multiple Airlines Logo
6:00 am - 10:23 amOPO  Porto-MSY New Orleans Louis Armstrong
34h 23m2 stops Frankfurt am Main Toronto Pearson Intl
$701Multiple Airlines
Tue, Dec 8 - Fri, Dec 11
Multiple Airlines Logo
11:30 am - 12:50 pmMSY  New Orleans Louis Armstrong-OPO Porto
19h 20m2 stops Toronto Pearson Intl Munich Franz Josef Strauss
Multiple Airlines Logo
6:15 am - 10:23 amOPO  Porto-MSY New Orleans Louis Armstrong
34h 08m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$706Multiple Airlines
Tue, Dec 8 - Fri, Dec 11
United Airlines Logo
1:00 pm - 9:30 amMSY  New Orleans Louis Armstrong-OPO Porto
14h 30m1 stop Newark
United Airlines Logo
6:00 am - 10:21 pmOPO  Porto-MSY New Orleans Louis Armstrong
22h 21m2 stops Frankfurt am Main Chicago O'Hare Intl
$717United Airlines
Tue, Dec 8 - Fri, Dec 11
United Airlines Logo
7:00 am - 9:30 amMSY  New Orleans Louis Armstrong-OPO Porto
20h 30m3 stops Houston George Bush Intcntl Chicago O'Hare Intl Newark
United Airlines Logo
6:00 am - 7:07 pmOPO  Porto-MSY New Orleans Louis Armstrong
19h 07m2 stops Frankfurt am Main Newark
$722United Airlines
Tue, Dec 8 - Fri, Dec 11
United Airlines Logo
1:00 pm - 9:30 amMSY  New Orleans Louis Armstrong-OPO Porto
14h 30m1 stop Newark
United Airlines Logo
12:35 pm - 11:37 pmOPO  Porto-MSY New Orleans Louis Armstrong
17h 02m1 stop Newark
$726United Airlines
Tue, Dec 8 - Fri, Dec 11
United Airlines Logo
7:00 am - 9:30 amMSY  New Orleans Louis Armstrong-OPO Porto
20h 30m2 stops Houston George Bush Intcntl Newark
United Airlines Logo
12:35 pm - 11:15 pmOPO  Porto-MSY New Orleans Louis Armstrong
16h 40m2 stops Newark Houston George Bush Intcntl
$731United Airlines
Tue, Dec 8 - Fri, Dec 11
Multiple Airlines Logo
11:30 am - 12:50 pmMSY  New Orleans Louis Armstrong-OPO Porto
19h 20m2 stops Toronto Pearson Intl Munich Franz Josef Strauss
Multiple Airlines Logo
7:20 pm - 10:23 amOPO  Porto-MSY New Orleans Louis Armstrong
45h 03m2 stops Zurich Toronto Pearson Intl
$761Multiple Airlines
Tue, Dec 29 - Thu, Jan 7
Lufthansa Logo
1:00 pm - 9:30 amMSY  New Orleans Louis Armstrong-OPO Porto
14h 30m1 stop Newark
Lufthansa Logo
6:00 am - 10:23 amOPO  Porto-MSY New Orleans Louis Armstrong
34h 23m2 stops Frankfurt am Main Toronto Pearson Intl
$765Lufthansa
Tue, Dec 8 - Fri, Dec 11
Lufthansa Logo
6:00 am - 9:30 amMSY  New Orleans Louis Armstrong-OPO Porto
21h 30m1 stop Newark
Lufthansa Logo
12:35 pm - 11:37 pmOPO  Porto-MSY New Orleans Louis Armstrong
17h 02m1 stop Newark
$776Lufthansa
Tue, Dec 8 - Fri, Dec 11
United Airlines Logo
7:02 pm - 7:00 amMSY  New Orleans Louis Armstrong-OPO Porto
29h 58m2 stops Newark Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
6:00 am - 11:32 pmOPO  Porto-MSY New Orleans Louis Armstrong
23h 32m2 stops Frankfurt am Main Chicago O'Hare Intl
$781United Airlines
Tue, Oct 13 - Tue, Nov 3

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United Airlines flights from Louisiana to Porto

Our best United Airlines deals on Louisiana to Porto flight tickets
United Airlines
Dec 8
MSY1:00 pmNew Orleans Louis Armstrong
14h 30m
1 stop
OPO9:30 amPorto
Dec 11
OPO6:00 amPorto
22h 21m
2 stops
MSY10:21 pmNew Orleans Louis Armstrong
$717
United Airlines
Dec 8
MSY7:00 amNew Orleans Louis Armstrong
20h 30m
3 stops
OPO9:30 amPorto
Dec 11
OPO6:00 amPorto
19h 07m
2 stops
MSY7:07 pmNew Orleans Louis Armstrong
$722
United Airlines
Dec 8
MSY1:00 pmNew Orleans Louis Armstrong
14h 30m
1 stop
OPO9:30 amPorto
Dec 11
OPO12:35 pmPorto
17h 02m
1 stop
MSY11:37 pmNew Orleans Louis Armstrong
$726

Lufthansa flights from Louisiana to Porto

Our best Lufthansa deals on Louisiana to Porto flight tickets
Lufthansa
Dec 8
MSY1:00 pmNew Orleans Louis Armstrong
14h 30m
1 stop
OPO9:30 amPorto
Dec 11
OPO6:00 amPorto
34h 23m
2 stops
MSY10:23 amNew Orleans Louis Armstrong
$765
Lufthansa
Dec 8
MSY6:00 amNew Orleans Louis Armstrong
21h 30m
1 stop
OPO9:30 amPorto
Dec 11
OPO12:35 pmPorto
17h 02m
1 stop
MSY11:37 pmNew Orleans Louis Armstrong
$776
Lufthansa
Oct 13
MSY11:50 amNew Orleans Louis Armstrong
29h 35m
2 stops
OPO11:25 pmPorto
Nov 2
OPO1:45 pmPorto
39h 47m
2 stops
MSY11:32 pmNew Orleans Louis Armstrong
$802

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 August 15, 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 New Orleans Louis Armstrong - OPO Porto

MSYOPO

New Orleans Louis Armstrong

Tue 12/8

11:30 am-12:50 pm

2 stops19h 20m

Porto

Fri 12/11

6:00 am-10:23 am

2 stops34h 23m

$701

New OrleansPorto

MSY New Orleans Louis Armstrong - OPO Porto

MSYOPO

New Orleans Louis Armstrong

Tue 12/8

11:30 am-12:50 pm

2 stops19h 20m

Porto

Fri 12/11

6:15 am-10:23 am

2 stops34h 08m

$706

New OrleansPorto

MSY New Orleans Louis Armstrong - OPO Porto

MSYOPO

New Orleans Louis Armstrong

Tue 12/8

1:00 pm-9:30 am

1 stop14h 30m

Porto

Fri 12/11

6:00 am-10:21 pm

2 stops22h 21m

$717

New OrleansPorto

MSY New Orleans Louis Armstrong - OPO Porto

MSYOPO

New Orleans Louis Armstrong

Tue 12/8

7:00 am-9:30 am

3 stops20h 30m

Porto

Fri 12/11

6:00 am-7:07 pm

2 stops19h 07m

$722
Quickest round-trip

New OrleansPorto

MSY New Orleans Louis Armstrong - OPO Porto

MSYOPO

New Orleans Louis Armstrong

Tue 12/8

1:00 pm-9:30 am

1 stop14h 30m

Porto

Fri 12/11

12:35 pm-11:37 pm

1 stop17h 02m

$726

New OrleansPorto

MSY New Orleans Louis Armstrong - OPO Porto

MSYOPO

New Orleans Louis Armstrong

Tue 12/8

7:00 am-9:30 am

2 stops20h 30m

Porto

Fri 12/11

12:35 pm-11:15 pm

2 stops16h 40m

$731

New OrleansPorto

MSY New Orleans Louis Armstrong - OPO Porto

MSYOPO

New Orleans Louis Armstrong

Tue 12/29

11:30 am-12:50 pm

2 stops19h 20m

Porto

Thu 1/7

7:20 pm-10:23 am

2 stops45h 03m

$761

New OrleansPorto

MSY New Orleans Louis Armstrong - OPO Porto

MSYOPO

New Orleans Louis Armstrong

Tue 12/8

1:00 pm-9:30 am

1 stop14h 30m

Porto

Fri 12/11

6:00 am-10:23 am

2 stops34h 23m

$765

New OrleansPorto

MSY New Orleans Louis Armstrong - OPO Porto

MSYOPO

New Orleans Louis Armstrong

Tue 12/8

6:00 am-9:30 am

1 stop21h 30m

Porto

Fri 12/11

12:35 pm-11:37 pm

1 stop17h 02m

$776

New OrleansPorto

MSY New Orleans Louis Armstrong - OPO Porto

MSYOPO

New Orleans Louis Armstrong

Tue 10/13

7:02 pm-7:00 am

2 stops29h 58m

Porto

Tue 11/3

6:00 am-11:32 pm

2 stops23h 32m

$781

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 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

17h 25m

Direct flights

None
The fastest flight from Louisiana to Porto takes 17h 25m
There are no direct flights from Louisiana to Porto. There are no popular flight routes from Louisiana to Porto.
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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
Pinhao
Esposende
Chaves
Arcos de Valdevez
Viseu
Guimarães
Espinho
Lamego
Ponte de Lima
Mesao Frio
Penafiel
Caminha
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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