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$403+ Cheap flights from New Orleans (MSY) to Porto (OPO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — OPO
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap 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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$596
(Air France)

One-way from

$403
(Thrive Travel)
Provider with most accurate pricing for New Orleans Louis Armstrong-Porto flight deals.
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Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Porto flights.
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From New Orleans Louis Armstrong to Porto
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One-way flight from New Orleans Louis Armstrong to Porto
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Find 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 November 6, 2025.

This Ovago deal was found by Cheapflights users on 11/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/253:42 pmMSY - OPO
2 stops24h 43mLufthansa
Sun 1/44:00 pmOPO - MSY
2 stops37h 59mLufthansa
Deal found 11/5$1,748
This Justfly.com deal was found by Cheapflights users on 11/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:35 amMSY - OPO
1 stop20h 15mTAP AIR PORTUGAL
Sun 1/48:00 pmOPO - MSY
2 stops33h 59mTAP AIR PORTUGAL
Deal found 11/5$2,885
This oojo deal was found by Cheapflights users on 11/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:15 pmMSY - OPO
2 stops40h 40mRoyal Air Maroc
Fri 1/165:55 pmOPO - MSY
2 stops46h 27mRoyal Air Maroc
Deal found 11/4$3,451
This Arangrant deal was found by Cheapflights users on 11/4. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:58 amMSY - OPO
2 stops19h 47mMultiple Airlines
Fri 1/166:05 pmOPO - MSY
1 stop29h 50mMultiple Airlines
Deal found 11/4$3,885
This AranGrant deal was found by Cheapflights users on 11/4. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/512:21 pmMSY - OPO
1 stop15h 09mLufthansa
Tue 11/1112:30 pmOPO - MSY
2 stops37h 08mLufthansa
Deal found 11/4$8,548
This AranGrant deal was found by Cheapflights users on 11/4. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:00 pmMSY - OPO
2 stops16h 00mMultiple Airlines
Tue 11/116:25 pmOPO - MSY
2 stops32h 48mMultiple Airlines
Deal found 11/4$8,771

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 November 6, 2025.
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

Tue 3/10

3:25 pm-10:30 am

2 stops14h 05m

Porto

Fri 3/20

11:20 am-10:43 am

2 stops28h 23m

$596

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 3/10

12:10 pm-9:30 am

3 stops16h 20m

Porto

Fri 3/20

12:35 pm-10:58 am

2 stops27h 23m

$735

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 3/10

11:00 am-9:30 am

1 stop17h 30m

Porto

Fri 3/20

6:00 am-7:40 pm

2 stops18h 40m

$803

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sun 3/22

11:10 am-10:30 am

2 stops18h 20m

Porto

Wed 3/25

6:00 am-11:27 pm

2 stops22h 27m

$1,160

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sun 3/22

12:10 pm-9:30 am

3 stops16h 20m

Porto

Wed 3/25

8:55 am-7:40 pm

2 stops15h 45m

$1,640

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Thu 12/25

3:42 pm-10:25 pm

2 stops24h 43m

Porto

Sun 1/4

4:00 pm-11:59 pm

2 stops37h 59m

$1,748

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 1/20

12:00 pm-12:50 pm

2 stops18h 50m

$403

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 1/20

7:00 am-9:15 pm

3 stops32h 15m

$405

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 1/20

10:30 am-11:50 am

1 stop19h 20m

$698

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

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 November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on New Orleans-Porto flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Cheapflights Insights

Everything you need to know about your flight from New Orleans to Porto

What is the cheapest time of day to fly from MSY to OPO?

Find hourly flight availability from New Orleans to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 47% on flights from New Orleans to Porto by exploring options for tickets at noon.

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 November 6, 2025.
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
9,007 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,007 reviews
United Airlines
7.4
Good
9,007 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 and Lufthansa fly from New Orleans to Porto in about 16h 20m. The time it takes to get you to your destination can typically vary by up to 1h 10m. New Orleans and Porto are separated by a distance of 4478 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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
Aveiro
Arcos de Valdevez
Coimbra
Vila Nova de Gaia

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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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$592Average$748FlexibilityNo cancel feeOn-time69%

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