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$438+ Cheap flights from New Orleans (MSY) to Porto (OPO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — OPO
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from New Orleans to Porto

Cheapest flights from New Orleans to Porto
Explore the most affordable flight options available from New Orleans to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2310:35 am
MSY
-
OPO
2 stops16h 55m
United Airlines
Tue 3/1012:35 pm
OPO
-
MSY
2 stops26h 05m
United Airlines
Deal found 1/20$438
This United Airlines deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:05 am
MSY
-
OPO
2 stops22h 25m
United Airlines
Sun 3/112:35 pm
OPO
-
MSY
2 stops34h 01m
United Airlines
Deal found 1/18$480
This KAYAK deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1010:36 am
MSY
-
OPO
2 stops23h 09m
Lufthansa
Fri 3/206:30 am
OPO
-
MSY
2 stops44h 16m
Lufthansa
Deal found 1/19$505
This United Airlines deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/58:00 am
MSY
-
OPO
2 stops24h 45m
United Airlines
Thu 3/126:00 am
OPO
-
MSY
2 stops21h 31m
United Airlines
Deal found 1/19$506
This United Airlines deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:05 pm
MSY
-
OPO
2 stops39h 00m
United Airlines
Fri 3/136:00 am
OPO
-
MSY
2 stops56h 40m
United Airlines
Deal found 1/19$530
This CheapOair deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/186:05 pm
MSY
-
OPO
2 stops36h 45m
Multiple Airlines
Wed 3/46:00 am
OPO
-
MSY
2 stops19h 49m
Multiple Airlines
Deal found 1/19$585
This Booking.com deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/188:00 am
MSY
-
OPO
2 stops26h 45m
British Airways
Wed 3/46:35 pm
OPO
-
MSY
1 stop29h 20m
British Airways
Deal found 1/19$676
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:00 pm
MSY
-
OPO
1 stop11h 55m
United Airlines
Tue 9/2912:15 pm
OPO
-
MSY
2 stops26h 40m
United Airlines
Deal found 1/20$742
This Air Canada deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:15 pm
MSY
-
OPO
2 stops30h 35m
Air Canada
Tue 9/2912:15 pm
OPO
-
MSY
2 stops28h 39m
Air Canada
Deal found 1/20$743

Find flight deals from New Orleans to Porto

Discover tips and strategies to find the most affordable flight options for your journey from New Orleans (MSY) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$438
(United Airlines)
Provider with most accurate pricing for New Orleans Louis Armstrong-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Porto flights.
Search Deals
From New Orleans Louis Armstrong to Porto
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
Use the filters below to find and compare flights from New Orleans to Porto that are best for you.

Fly from

New Orleans

Fly to

Porto

Route

Depart

Return

Price

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mon 2/23

10:35 am-9:30 am

2 stops16h 55m

Porto

Tue 3/10

12:35 pm-9:40 am

2 stops26h 05m

$438

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 2/25

5:05 am-9:30 am

2 stops22h 25m

Porto

Sun 3/1

12:35 pm-4:36 pm

2 stops34h 01m

$480

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 3/10

10:36 am-2:45 pm

2 stops23h 09m

Porto

Fri 3/20

6:30 am-9:46 pm

2 stops44h 16m

$505

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Thu 3/5

8:00 am-2:45 pm

2 stops24h 45m

Porto

Thu 3/12

6:00 am-10:31 pm

2 stops21h 31m

$506

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Fri 3/6

6:05 pm-3:05 pm

2 stops39h 00m

Porto

Fri 3/13

6:00 am-9:40 am

2 stops56h 40m

$530

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 2/18

6:05 pm-12:50 pm

2 stops36h 45m

Porto

Wed 3/4

6:00 am-7:49 pm

2 stops19h 49m

$585

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 2/18

8:00 am-4:45 pm

2 stops26h 45m

Porto

Wed 3/4

6:35 pm-5:55 pm

1 stop29h 20m

$676

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Compare providers for flights from New Orleans to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from New Orleans to Porto in January.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on New Orleans-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on New Orleans-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New Orleans-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New Orleans-Porto flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for New Orleans-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from New Orleans to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from New Orleans with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated January 21, 2026.
Get a feel of what it's like to fly with United Airlines from New Orleans to Porto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,191 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,191 reviews
United Airlines
7.4
Good
9,191 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from New Orleans to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from New Orleans to Porto?

    Airlines like United Airlines fly from New Orleans to Porto in about 16h 55m. The time it takes to get you to your destination can typically vary by up to . New Orleans and Porto are separated by a distance of 4478 mi.

  • What is the cheapest airline to fly from New Orleans to Porto round-trip?

    According to our current data, United Airlines ($592), offers the cheapest pricing from New Orleans to Porto.

  • Can I find deals for flights from New Orleans to Porto that include hotel bookings?

    Yes. In addition to deals on New Orleans to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New Orleans to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Orleans to Porto.

  • Can I find deals for business class flights from New Orleans to Porto?

    Yes. Cheapflights offers flight deals from New Orleans to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Aveiro
Arcos de Valdevez
Coimbra

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Alternative routes for New Orleans to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from New Orleans to Porto

Discover the top airline that operate flights from New Orleans to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$592Average$748FlexibilityNo cancel feeOn-time69%

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