What is the cheapest airline that flies from Louisiana to Porto?

TAP AIR PORTUGAL is the most popular carrier operating 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 many operators does momondo search for flights from Louisiana to Porto Airport?

The number of operators available for flights from Louisiana to Porto Airport is 1 as of November 2025.

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.

$271 Cheap Flights from Louisiana to Porto in 2025/26

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Find the cheapest flights from Louisiana to Porto

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:35 am - 3:05 pmMSY-OPO

22h 30m2 stops

6:00 am - 5:17 pmOPO-MSY

41h 17m2 stops

$500United Airlines

Find Deal

Sat, Feb 14 - Sat, Feb 21

4:08 pm - 11:40 amMSY-OPO

37h 32m2 stops

12:30 pm - 10:38 pmOPO-MSY

40h 08m2 stops

$523United Airlines

Find Deal

Fri, Feb 13 - Fri, Feb 20

1:05 pm - 10:30 amMSY-OPO

16h 25m2 stops

11:20 am - 10:43 amOPO-MSY

28h 23m2 stops

$597Multiple Airlines

Find Deal

Tue, Mar 10 - Fri, Mar 20

10:34 am - 11:40 amMSY-OPO

20h 06m2 stops

6:00 am - 7:40 pmOPO-MSY

18h 40m2 stops

$639Lufthansa

Find Deal

Tue, Mar 10 - Fri, Mar 20

12:48 pm - 3:05 pmMSY-OPO

44h 17m3 stops

12:30 pm - 10:38 pmOPO-MSY

40h 08m2 stops

$735United Airlines

Find Deal

Fri, Feb 13 - Fri, Feb 20

2:13 pm - 10:25 pmMSY-OPO

27h 12m2 stops

12:35 pm - 11:59 pmOPO-MSY

16h 24m1 stop

$775Lufthansa

Find Deal

Tue, Mar 10 - Fri, Mar 20

11:25 am - 10:30 amMSY-OPO

18h 05m2 stops

6:00 am - 11:27 pmOPO-MSY

22h 27m2 stops

$1,161Delta

Find Deal

Sun, Mar 22 - Wed, Mar 25

9:17 am - 6:35 pmMSY-OPO

27h 18m2 stops

7:35 am - 5:17 pmOPO-MSY

39h 42m3 stops

$1,216Multiple Airlines

Find Deal

Sat, Feb 14 - Sat, Feb 21

10:33 am - 12:00 pmMSY-OPO

19h 27m1 stop

6:35 pm - 11:58 pmOPO-MSY

35h 23m1 stop

$1,267TAP AIR PORTUGAL

Find Deal

Fri, Feb 13 - Fri, Feb 20

6:00 am - 1:10 pmMSY-OPO

25h 10m1 stop

6:35 pm - 9:27 amOPO-MSY

20h 52m1 stop

$1,427TAP AIR PORTUGAL

Find Deal

Sat, Feb 14 - Sat, Feb 21

United Airlines flights from Louisiana to Porto

Our best United Airlines deals on Louisiana to Porto flight tickets

United Airlines

Feb 14

MSY10:35 amNew Orleans Louis Armstrong

22h 30m

2 stops

OPO3:05 pmPorto

Feb 21

OPO6:00 amPorto

41h 17m

2 stops

MSY5:17 pmNew Orleans Louis Armstrong

$500

Find similar

United Airlines

Feb 13

MSY4:08 pmNew Orleans Louis Armstrong

37h 32m

2 stops

OPO11:40 amPorto

Feb 20

OPO12:30 pmPorto

40h 08m

2 stops

MSY10:38 pmNew Orleans Louis Armstrong

$523

Find similar

United Airlines

Feb 13

MSY12:48 pmNew Orleans Louis Armstrong

44h 17m

3 stops

OPO3:05 pmPorto

Feb 20

OPO12:30 pmPorto

40h 08m

2 stops

MSY10:38 pmNew Orleans Louis Armstrong

$735

Find similar

Lufthansa flights from Louisiana to Porto

Our best Lufthansa deals on Louisiana to Porto flight tickets

Lufthansa

Mar 10

MSY10:34 amNew Orleans Louis Armstrong

20h 06m

2 stops

OPO11:40 amPorto

Mar 20

OPO6:00 amPorto

18h 40m

2 stops

MSY7:40 pmNew Orleans Louis Armstrong

$639

Find similar

Lufthansa

Mar 10

MSY2:13 pmNew Orleans Louis Armstrong

27h 12m

2 stops

OPO10:25 pmPorto

Mar 20

OPO12:35 pmPorto

16h 24m

1 stop

MSY11:59 pmNew Orleans Louis Armstrong

$775

Find similar

Lufthansa

Mar 10

MSY12:48 pmNew Orleans Louis Armstrong

17h 52m

2 stops

OPO11:40 amPorto

Mar 20

OPO12:35 pmPorto

16h 24m

1 stop

MSY11:59 pmNew Orleans Louis Armstrong

$785

Find similar

Fly from

Fly to

Route

Depart

Return

Price

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sat 2/14

10:35 am-3:05 pm

2 stops22h 30m

Porto

Sat 2/21

6:00 am-5:17 pm

2 stops41h 17m

$500

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Fri 2/13

4:08 pm-11:40 am

2 stops37h 32m

Porto

Fri 2/20

12:30 pm-10:38 pm

2 stops40h 08m

$523

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 3/10

1:05 pm-10:30 am

2 stops16h 25m

Porto

Fri 3/20

11:20 am-10:43 am

2 stops28h 23m

$597

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 3/10

10:34 am-11:40 am

2 stops20h 06m

Porto

Fri 3/20

6:00 am-7:40 pm

2 stops18h 40m

$639

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Fri 2/13

12:48 pm-3:05 pm

3 stops44h 17m

Porto

Fri 2/20

12:30 pm-10:38 pm

2 stops40h 08m

$735

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 3/10

2:13 pm-10:25 pm

2 stops27h 12m

Porto

Fri 3/20

12:35 pm-11:59 pm

1 stop16h 24m

$775

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sun 3/22

11:25 am-10:30 am

2 stops18h 05m

Porto

Wed 3/25

6:00 am-11:27 pm

2 stops22h 27m

$1,161

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sat 2/14

9:17 am-6:35 pm

2 stops27h 18m

Porto

Sat 2/21

7:35 am-5:17 pm

3 stops39h 42m

$1,216

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Fri 2/13

10:33 am-12:00 pm

1 stop19h 27m

Porto

Fri 2/20

6:35 pm-11:58 pm

1 stop35h 23m

$1,267

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sat 2/14

6:00 am-1:10 pm

1 stop25h 10m

Porto

Sat 2/21

6:35 pm-9:27 am

1 stop20h 52m

$1,427

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest day to depart on your flight to Porto?

The cheapest day to depart on your flight to Porto is on a Thursday when prices can be found for as low as $574. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $1,186. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

What is the cheapest time of day to depart on your flight to Porto?

At noon is the cheapest time of day to fly from Louisiana to Porto when you can find flight prices for as low as $611. Flying to Porto at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,152 on average. Flights to Porto from Louisiana in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Louisiana to Porto flights?

You could potentially save up to 11% 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

Direct flights	None

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?
The number of operators available for flights from Louisiana to Porto Airport is 1 as of November 2025.
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 Airlines	PriceFrom $592	Free Cancellation	Rating 7.4 9,012 reviews		Search United Airlines flights

Vila Nova de Gaia

Coimbra

Aveiro

Matosinhos

Braga

Lamego

Guimarães

Esposende

Chaves

Espinho

Viseu

Ponte de Lima

Arcos de Valdevez

Pinhao

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.