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$317+ 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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — OPO
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 29, 2026.

This Delta deal was found by Cheapflights users on 1/28. 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 3/1011:31 am
MSY
-
OPO
2 stops17h 59m
Delta
Tue 3/175:00 am
OPO
-
MSY
2 stops20h 15m
Delta
Deal found 1/28$495
This United Airlines deal was found by Cheapflights users on 1/28. 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 3/98:00 am
MSY
-
OPO
2 stops20h 30m
United Airlines
Wed 3/1812:35 pm
OPO
-
MSY
2 stops24h 59m
United Airlines
Deal found 1/28$501
This KAYAK deal was found by Cheapflights users on 1/28. 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.
Mon 3/95:20 pm
MSY
-
OPO
2 stops40h 25m
Lufthansa
Tue 3/176:00 am
OPO
-
MSY
2 stops19h 15m
Lufthansa
Deal found 1/28$508
This KAYAK deal was found by Cheapflights users on 1/27. 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 1/27$515
This KAYAK deal was found by Cheapflights users on 1/28. 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.
Mon 3/95:20 pm
MSY
-
OPO
2 stops40h 25m
Lufthansa
Thu 3/192:05 pm
OPO
-
MSY
2 stops60h 41m
Lufthansa
Deal found 1/28$526
This KAYAK deal was found by Cheapflights users on 1/28. 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.
Mon 3/95:20 pm
MSY
-
OPO
2 stops40h 25m
Lufthansa
Mon 3/234:15 pm
OPO
-
MSY
2 stops36h 13m
Lufthansa
Deal found 1/28$529
This British Airways deal was found by Cheapflights users on 1/28. 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 3/108:55 pm
MSY
-
OPO
1 stop15h 50m
British Airways
Wed 3/186:35 pm
OPO
-
MSY
1 stop29h 20m
British Airways
Deal found 1/28$535
This United Airlines deal was found by Cheapflights users on 1/26. 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 2/2512:48 pm
MSY
-
OPO
2 stops14h 42m
United Airlines
Sun 3/112:35 pm
OPO
-
MSY
2 stops28h 25m
United Airlines
Deal found 1/26$586
This KAYAK deal was found by Cheapflights users on 1/28. 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.
Mon 3/95:20 pm
MSY
-
OPO
2 stops40h 25m
Lufthansa
Wed 3/1812:35 pm
OPO
-
MSY
1 stop16h 24m
Lufthansa
Deal found 1/28$617
This British Airways deal was found by Cheapflights users on 1/26. 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.
Wed 9/239:50 pm
MSY
-
OPO
1 stop15h 15m
British Airways
Thu 10/19:55 am
OPO
-
MSY
1 stop16h 05m
British Airways
Deal found 1/26$656

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 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$495
(Delta)

One-way from

$317
(Kiwi.com)
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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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 29, 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

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

$515

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mon 3/9

5:20 pm-2:45 pm

2 stops40h 25m

Porto

Mon 3/23

4:15 pm-11:28 pm

2 stops36h 13m

$529

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 2/25

12:48 pm-9:30 am

2 stops14h 42m

Porto

Sun 3/1

12:35 pm-11:00 am

2 stops28h 25m

$586

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 3/10

8:55 pm-5:45 pm

1 stop15h 50m

Porto

Mon 3/23

5:30 pm-6:55 pm

1 stop30h 25m

$671

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sat 3/7

7:00 am-9:30 am

2 stops20h 30m

Porto

Wed 3/18

12:35 pm-8:34 am

2 stops24h 59m

$687

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Thu 3/12

2:13 pm-2:45 pm

2 stops19h 32m

Porto

Wed 3/18

6:00 am-11:59 pm

2 stops22h 59m

$694

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Thu 3/12

2:13 pm-10:25 pm

2 stops27h 12m

Porto

Thu 3/19

2:05 pm-9:46 pm

2 stops60h 41m

$712

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sat 3/7

4:48 pm-4:40 pm

2 stops41h 52m

Porto

Wed 3/18

6:35 pm-6:55 pm

1 stop29h 20m

$751

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 3/10

8:55 pm-5:45 pm

1 stop15h 50m

Porto

Fri 3/20

6:05 pm-6:55 pm

1 stop29h 50m

$787

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Thu 3/26

6:24 am-9:20 pm

3 stops33h 56m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 11 results
1
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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*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 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 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 FlightHub the most. FlightHub 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 29, 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
9,215 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

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
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

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 and Lufthansa fly from New Orleans to Porto in about 20h 30m. The time it takes to get you to your destination can typically vary by up to 19h 55m. 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
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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$592Average$748FlexibilityNo cancel feeOn-time69%

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