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Cheap flights from New Orleans to Porto from $597

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from New Orleans to Porto departing on 11/4. 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 New Orleans to Porto

Cheap round-trip flights

United Airlines Logo
9:05 am - 9:30 amMSY-OPO
18h 25m2 stops
United Airlines Logo
12:35 pm - 8:52 amOPO-MSY
26h 17m2 stops
$597United Airlines
Find Deal
Tue, Nov 4 - Thu, Nov 13
Lufthansa Logo
12:25 pm - 9:30 amMSY-OPO
15h 05m1 stop
Lufthansa Logo
12:35 pm - 11:44 pmOPO-MSY
17h 09m1 stop
$789Lufthansa
Find Deal
Tue, Nov 4 - Thu, Nov 13
Lufthansa Logo
12:25 pm - 9:30 amMSY-OPO
15h 05m1 stop
Lufthansa Logo
4:15 pm - 11:44 pmOPO-MSY
37h 29m2 stops
$811Lufthansa
Find Deal
Tue, Nov 4 - Thu, Nov 13
Turkish Airlines Logo
2:20 pm - 3:50 pmMSY-OPO
43h 30m2 stops
Turkish Airlines Logo
10:50 am - 7:16 pmOPO-MSY
38h 26m2 stops
$1,493Turkish Airlines
Find Deal
Sun, Aug 31 - Tue, Sep 16
United Airlines Logo
2:16 pm - 9:35 amMSY-OPO
37h 19m3 stops
United Airlines Logo
12:50 pm - 7:16 pmOPO-MSY
36h 26m2 stops
$1,680United Airlines
Find Deal
Sun, Aug 31 - Tue, Sep 16
Lufthansa Logo
12:40 pm - 11:15 amMSY-OPO
16h 35m2 stops
Lufthansa Logo
9:00 am - 6:52 pmOPO-MSY
15h 52m1 stop
$1,711Lufthansa
Find Deal
Sun, Aug 31 - Tue, Sep 16
Lufthansa Logo
10:15 am - 6:55 amMSY-OPO
14h 40m1 stop
Lufthansa Logo
9:00 am - 6:52 pmOPO-MSY
15h 52m1 stop
$1,830Lufthansa
Find Deal
Sun, Aug 31 - Tue, Sep 16

United Airlines flights from New Orleans to Porto

Our best United Airlines deals on New Orleans to Porto flight tickets
United Airlines
Nov 4
MSY9:05 amNew Orleans Louis Armstrong
18h 25m
2 stops
OPO9:30 amPorto
Nov 13
OPO12:35 pmPorto
26h 17m
2 stops
MSY8:52 amNew Orleans Louis Armstrong
$597
Find similar
United Airlines
Aug 31
MSY2:16 pmNew Orleans Louis Armstrong
37h 19m
3 stops
OPO9:35 amPorto
Sep 16
OPO12:50 pmPorto
36h 26m
2 stops
MSY7:16 pmNew Orleans Louis Armstrong
$1,680
Find similar

Lufthansa flights from New Orleans to Porto

Our best Lufthansa deals on New Orleans to Porto flight tickets
Lufthansa
Nov 4
MSY12:25 pmNew Orleans Louis Armstrong
15h 05m
1 stop
OPO9:30 amPorto
Nov 13
OPO12:35 pmPorto
17h 09m
1 stop
MSY11:44 pmNew Orleans Louis Armstrong
$789
Find similar
Lufthansa
Nov 4
MSY12:25 pmNew Orleans Louis Armstrong
15h 05m
1 stop
OPO9:30 amPorto
Nov 13
OPO4:15 pmPorto
37h 29m
2 stops
MSY11:44 pmNew Orleans Louis Armstrong
$811
Find similar
Lufthansa
Aug 31
MSY12:40 pmNew Orleans Louis Armstrong
16h 35m
2 stops
OPO11:15 amPorto
Sep 16
OPO9:00 amPorto
15h 52m
1 stop
MSY6:52 pmNew Orleans Louis Armstrong
$1,711
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from New Orleans 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 20, 2025.
Use the filters below to find and compare flights from New Orleans 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 11/4

9:05 am-9:30 am

2 stops18h 25m

Porto

Thu 11/13

12:35 pm-8:52 am

2 stops26h 17m

$597

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 11/4

12:25 pm-9:30 am

1 stop15h 05m

Porto

Thu 11/13

12:35 pm-11:44 pm

1 stop17h 09m

$789

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 11/4

12:25 pm-9:30 am

1 stop15h 05m

Porto

Thu 11/13

4:15 pm-11:44 pm

2 stops37h 29m

$811

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sun 8/31

2:20 pm-3:50 pm

2 stops43h 30m

Porto

Tue 9/16

10:50 am-7:16 pm

2 stops38h 26m

$1,493

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sun 8/31

2:16 pm-9:35 am

3 stops37h 19m

Porto

Tue 9/16

12:50 pm-7:16 pm

2 stops36h 26m

$1,680

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sun 8/31

12:40 pm-11:15 am

2 stops16h 35m

Porto

Tue 9/16

9:00 am-6:52 pm

1 stop15h 52m

$1,711

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sun 8/31

10:15 am-6:55 am

1 stop14h 40m

Porto

Tue 9/16

9:00 am-6:52 pm

1 stop15h 52m

$1,830

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Porto from

How to get the cheapest flight ticket from New Orleans 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

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 New Orleans 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 New Orleans in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on New Orleans to Porto flights?

You could potentially save up to 5% on your flight if you consider stops on a New Orleans to Porto flight.

When to book flights from New Orleans to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from New Orleans to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap New Orleans to Porto (MSY to OPO) flight deals and tips

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

Direct flights

None
There are no direct flights from New Orleans to Porto. There are no popular flight routes from New Orleans to Porto.
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  • How far is New Orleans Louis Armstrong to Porto by plane?

    Porto is 4474.5 mi away from New Orleans Louis Armstrong. 14h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from New Orleans Louis Armstrong Airport to Porto Airport?

    Prices for flights from New Orleans Louis Armstrong Airport to Porto Airport refresh daily.

  • How many operators does momondo search for flights from New Orleans Louis Armstrong Airport to Porto Airport?

  • How old do you have to be to fly from New Orleans Louis Armstrong Airport to Porto Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New Orleans Louis Armstrong Airport to Porto Airport.

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

    The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from New Orleans to Porto?

Best airlines flying from New Orleans to Porto

Compare and see reviews for airlines that fly from New Orleans to Porto with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $574Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $592Free CancellationRating
7.4
8,928 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
Aveiro
Coimbra
Braga
Matosinhos
Caminha
Guimarães
Lamego
Esposende
Chaves
Arcos de Valdevez
Espinho
Viseu
Ponte de Lima
Pinhao
Santa Maria da Feira
Curia
Penafiel
Mesao Frio
Baiao

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from New Orleans to Porto for you.

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

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

How can momondo help me find flights from New Orleans to Porto?

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

Price alerts on flights to Porto from New Orleans are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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