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$322+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — OPO
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
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 August 18, 2025.

Round-trip from

$594
(United Airlines)

One-way from

$322
(Kiwi.com)
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 August 18, 2025.

This United Airlines deal was found by Cheapflights users on 8/17. 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 11/1012:45 pmMSY - OPO
2 stops14h 45mUnited Airlines
Wed 11/196:00 amOPO - MSY
2 stops19h 03mUnited Airlines
Deal found 8/17$594
This United Airlines deal was found by Cheapflights users on 8/17. 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 11/1012:45 pmMSY - OPO
2 stops14h 45mUnited Airlines
Thu 11/2012:35 pmOPO - MSY
2 stops27h 06mUnited Airlines
Deal found 8/17$597
This Air Canada deal was found by Cheapflights users on 8/17. 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.
Sun 11/96:05 pmMSY - OPO
2 stops59h 10mAir Canada
Wed 11/196:00 amOPO - MSY
2 stops41h 17mAir Canada
Deal found 8/17$608
This Iberia deal was found by Cheapflights users on 8/17. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:30 amMSY - OPO
2 stops26h 30mIberia
Mon 11/244:40 pmOPO - MSY
2 stops30h 45mIberia
Deal found 8/17$619
This Iberia deal was found by Cheapflights users on 8/16. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1210:27 amMSY - OPO
2 stops27h 33mIberia
Mon 11/248:40 pmOPO - MSY
2 stops17h 48mIberia
Deal found 8/16$633
This Gurufare deal was found by Cheapflights users on 8/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:45 pmMSY - OPO
2 stops16h 55mLufthansa
Fri 11/2112:35 pmOPO - MSY
1 stop17h 09mLufthansa
Deal found 8/17$636
This United Airlines deal was found by Cheapflights users on 8/16. 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 11/139:05 amMSY - OPO
2 stops18h 25mUnited Airlines
Fri 11/2112:35 pmOPO - MSY
2 stops16h 24mUnited Airlines
Deal found 8/16$647
This Air Canada deal was found by Cheapflights users on 8/16. 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.
Sun 11/96:05 pmMSY - OPO
2 stops59h 10mAir Canada
Sat 11/226:00 amOPO - MSY
2 stops41h 17mAir Canada
Deal found 8/16$658
This Air Canada deal was found by Cheapflights users on 8/17. 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.
Thu 11/136:05 pmMSY - OPO
2 stops36h 45mAir Canada
Wed 11/196:00 amOPO - MSY
2 stops41h 17mAir Canada
Deal found 8/17$660
This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:25 pmMSY - OPO
2 stops19h 30mScandinavian Airlines
Fri 11/215:45 pmOPO - MSY
2 stops32h 56mScandinavian Airlines
Deal found 8/17$661
This KAYAK deal was found by Cheapflights users on 8/17. 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.
Wed 11/1210:38 amMSY - OPO
2 stops31h 02mLufthansa
Sun 11/236:00 amOPO - MSY
2 stops23h 44mLufthansa
Deal found 8/17$667
This KAYAK deal was found by Cheapflights users on 8/16. 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.
Fri 11/142:14 pmMSY - OPO
2 stops26h 11mLufthansa
Wed 11/196:00 amOPO - MSY
2 stops19h 38mLufthansa
Deal found 8/16$671

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 August 18, 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

Mon 11/10

5:15 am-9:30 am

2 stops22h 15m

Porto

Wed 11/19

6:00 am-7:03 pm

2 stops19h 03m

$594

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 11/12

12:45 pm-9:30 am

2 stops14h 45m

Porto

Wed 11/19

6:00 am-7:03 pm

2 stops19h 03m

$594

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 11/11

8:00 am-9:30 am

2 stops19h 30m

Porto

Wed 11/19

6:00 am-7:03 pm

2 stops19h 03m

$594

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mon 11/10

5:15 am-9:30 am

2 stops22h 15m

Porto

Fri 11/21

12:35 pm-9:41 am

2 stops27h 06m

$597

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mon 11/10

5:15 am-9:30 am

2 stops22h 15m

Porto

Tue 11/18

12:35 pm-8:52 am

2 stops26h 17m

$597

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 11/12

12:45 pm-9:30 am

2 stops14h 45m

Porto

Thu 11/20

12:35 pm-10:59 pm

2 stops16h 24m

$597

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 9/16

5:20 am-7:45 am

3 stops44h 25m

$322

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 9/2

8:21 pm-7:00 pm

3 stops40h 39m

$358

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 9/16

10:15 am-10:30 am

1 stop18h 15m

$696

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 9/2

10:15 am-10:30 am

1 stop18h 15m

$921

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 14 results
1
2

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 August 18, 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 August 18, 2025.
Get a feel of what it's like to fly with United Airlines and American 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
8,925 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,925 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 22h 15m. 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 are the cheapest airlines flying from New Orleans to Porto round-trip?

    According to our current data, American Airlines ($574), and 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.

  • What is the cheapest month to book a flight from New Orleans to Porto?

    Currently, January is the cheapest month in which you can book a flight from New Orleans to Porto (average of $523). Flying from New Orleans to Porto in June is currently the most expensive (average of $1,030). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Browse thousands of different options on Cheapflights for your next trip

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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 2 airlines flying from New Orleans to Porto

Discover the top 2 airlines 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$574Average$888FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$592Average$838FlexibilityNo cancel feeOn-time69%

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