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$279+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — OPO
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$642
(CheapOair)

One-way from

$279
(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 September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 11/1212:01 pmMSY - OPO
2 stops15h 29mUnited Airlines
Fri 11/216:00 amOPO - MSY
2 stops19h 38mUnited Airlines
Deal found 9/15$544
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/410:38 amMSY - OPO
2 stops16h 52mUnited Airlines
Wed 11/1212:35 pmOPO - MSY
2 stops27h 39mUnited Airlines
Deal found 9/15$547
This Gurufare deal was found by Cheapflights users on 9/15. 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.
Tue 11/411:20 amMSY - OPO
1 stop16h 10mLufthansa
Wed 11/126:00 amOPO - MSY
2 stops23h 44mLufthansa
Deal found 9/15$553
This KAYAK deal was found by Cheapflights users on 9/15. 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 11/512:45 pmMSY - OPO
2 stops28h 55mLufthansa
Wed 11/126:00 amOPO - MSY
2 stops23h 44mLufthansa
Deal found 9/15$567
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/53:48 pmMSY - OPO
2 stops17h 37mUnited Airlines
Fri 11/1412:35 pmOPO - MSY
2 stops16h 24mUnited Airlines
Deal found 9/15$574
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:30 amMSY - OPO
2 stops20h 45mDelta
Tue 11/1811:10 amOPO - MSY
2 stops17h 10mDelta
Deal found 9/15$577
This KAYAK deal was found by Cheapflights users on 9/15. 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 11/512:45 pmMSY - OPO
2 stops28h 55mLufthansa
Tue 11/114:15 pmOPO - MSY
2 stops35h 25mLufthansa
Deal found 9/15$587
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:30 amMSY - OPO
2 stops20h 45mDelta
Mon 11/2411:25 amOPO - MSY
2 stops35h 28mDelta
Deal found 9/15$590
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/49:05 amMSY - OPO
2 stops19h 25mDelta
Tue 11/1111:15 amOPO - MSY
2 stops35h 00mDelta
Deal found 9/15$591
This British Airways deal was found by Cheapflights users on 9/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:55 pmMSY - OPO
1 stop15h 40mBritish Airways
Wed 11/196:30 pmOPO - MSY
1 stop29h 25mBritish Airways
Deal found 9/15$596
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/612:45 pmMSY - OPO
2 stops14h 45mUnited Airlines
Fri 11/1412:35 pmOPO - MSY
2 stops16h 24mUnited Airlines
Deal found 9/15$597
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:30 amMSY - OPO
2 stops21h 00mDelta
Tue 11/1811:10 amOPO - MSY
2 stops17h 10mDelta
Deal found 9/15$602

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 September 17, 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

Wed 11/12

12:01 pm-9:30 am

2 stops15h 29m

Porto

Fri 11/21

6:00 am-7:38 pm

2 stops19h 38m

$544

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 11/4

10:38 am-9:30 am

2 stops16h 52m

Porto

Fri 11/14

12:35 pm-10:14 am

2 stops27h 39m

$547

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 11/11

12:01 pm-9:30 am

2 stops15h 29m

Porto

Thu 11/20

12:35 pm-8:52 am

2 stops26h 17m

$547

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sun 11/9

8:00 am-9:30 am

2 stops19h 30m

Porto

Fri 11/21

12:35 pm-10:59 pm

2 stops16h 24m

$547

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mon 11/10

7:30 am-10:15 am

2 stops20h 45m

Porto

Tue 11/18

11:10 am-10:20 pm

2 stops17h 10m

$577

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 11/12

1:05 pm-10:30 am

2 stops15h 25m

Porto

Tue 11/18

11:10 am-10:20 pm

2 stops17h 10m

$577

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 11/5

12:45 pm-11:40 pm

2 stops28h 55m

Porto

Thu 11/13

12:30 pm-9:40 pm

2 stops39h 10m

$587

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 11/4

11:50 am-10:30 am

2 stops16h 40m

Porto

Mon 11/10

11:25 am-3:53 pm

2 stops34h 28m

$590

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mon 11/10

7:30 am-10:15 am

2 stops20h 45m

Porto

Mon 11/24

11:25 am-4:53 pm

2 stops35h 28m

$590

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Thu 11/6

12:45 pm-9:30 am

2 stops14h 45m

Porto

Thu 11/13

12:35 pm-10:59 pm

2 stops16h 24m

$597

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 15 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 September 17, 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 September 17, 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
8,926 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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 Delta fly from New Orleans to Porto in about 15h 29m. The time it takes to get you to your destination can typically vary by up to 5h 16m. 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 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 $1,028). 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

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$574Average$888FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$592Average$838FlexibilityNo cancel feeOn-time69%

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