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$486+ Cheap flights from Louisiana 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — OPO
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Louisiana to Porto

Best flights from Louisiana to Porto
Discover carefully curated flight deals from Louisiana to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This KAYAK deal was found by Cheapflights users on 12/16. 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.
Tue 3/1012:30 pmMSY - OPO
1 stop16h 00mLufthansa
Thu 3/196:00 amOPO - MSY
2 stops22h 28mLufthansa
Deal found 12/16$486
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 3/107:00 amMSY - OPO
2 stops21h 30mUnited Airlines
Thu 3/196:00 amOPO - MSY
2 stops33h 55mUnited Airlines
Deal found 12/16$491
This British Airways deal was found by Cheapflights users on 12/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/128:55 pmMSY - OPO
1 stop15h 20mBritish Airways
Wed 3/186:35 pmOPO - MSY
1 stop29h 20mBritish Airways
Deal found 12/16$531
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 3/97:00 amMSY - OPO
3 stops21h 30mUnited Airlines
Wed 3/186:00 amOPO - MSY
2 stops33h 59mUnited Airlines
Deal found 12/16$491
This KAYAK deal was found by Cheapflights users on 12/16. 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.
Thu 3/122:13 pmMSY - OPO
2 stops27h 12mLufthansa
Fri 3/206:00 amOPO - MSY
2 stops22h 59mLufthansa
Deal found 12/16$506
This British Airways deal was found by Cheapflights users on 12/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/77:55 pmMSY - OPO
1 stop17h 20mBritish Airways
Wed 3/186:35 pmOPO - MSY
1 stop29h 20mBritish Airways
Deal found 12/16$531
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sat 3/77:00 amMSY - OPO
2 stops20h 30mUnited Airlines
Wed 3/186:00 amOPO - MSY
2 stops21h 31mUnited Airlines
Deal found 12/16$491
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sat 3/77:00 amMSY - OPO
2 stops20h 30mUnited Airlines
Tue 3/176:00 amOPO - MSY
2 stops22h 28mUnited Airlines
Deal found 12/16$491
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sat 3/77:00 amMSY - OPO
2 stops20h 30mUnited Airlines
Thu 3/196:00 amOPO - MSY
2 stops31h 34mUnited Airlines
Deal found 12/16$491
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 3/98:00 amMSY - OPO
2 stops20h 30mUnited Airlines
Tue 3/176:00 amOPO - MSY
2 stops36h 10mUnited Airlines
Deal found 12/16$491
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 3/99:37 amMSY - OPO
2 stops18h 53mUnited Airlines
Mon 3/2312:30 pmOPO - MSY
2 stops36h 17mUnited Airlines
Deal found 12/16$511
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sat 1/312:26 pmMSY - OPO
2 stops39h 14mUnited Airlines
Sat 2/712:30 pmOPO - MSY
3 stops54h 39mUnited Airlines
Deal found 12/16$537

Find flight deals from Louisiana to Porto

Keep the following information in mind while searching for Louisiana to Porto flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$477
(FlightHub)
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 Louisiana to Porto
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisiana 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 December 18, 2025.
Use the filters below to find and compare flights from Louisiana to Porto that are best for you.

Fly from

Louisiana

Fly to

Porto

Route

Depart

Return

Price

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 3/10

12:30 pm-9:30 am

1 stop16h 00m

Porto

Thu 3/19

6:00 am-11:28 pm

2 stops22h 28m

$486

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 3/10

7:00 am-9:30 am

2 stops21h 30m

Porto

Thu 3/19

6:00 am-10:55 am

2 stops33h 55m

$491

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mon 3/9

7:00 am-9:30 am

3 stops21h 30m

Porto

Wed 3/18

6:00 am-10:59 am

2 stops33h 59m

$491

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

6:00 am-10:31 pm

2 stops21h 31m

$491

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sat 3/7

7:00 am-9:30 am

2 stops20h 30m

Porto

Tue 3/17

6:00 am-11:28 pm

2 stops22h 28m

$491

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sat 3/7

7:00 am-9:30 am

2 stops20h 30m

Porto

Thu 3/19

6:00 am-8:34 am

2 stops31h 34m

$491

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mon 3/9

8:00 am-9:30 am

2 stops20h 30m

Porto

Tue 3/17

6:00 am-1:10 pm

2 stops36h 10m

$491

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Thu 3/12

2:13 pm-10:25 pm

2 stops27h 12m

Porto

Fri 3/20

6:00 am-11:59 pm

2 stops22h 59m

$506

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mon 3/9

9:37 am-9:30 am

2 stops18h 53m

Porto

Mon 3/23

12:30 pm-7:47 pm

2 stops36h 17m

$511

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Thu 3/12

8:55 pm-5:15 pm

1 stop15h 20m

Porto

Wed 3/18

6:35 pm-6:55 pm

1 stop29h 20m

$531

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 13 results
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Best time to book a flight from Louisiana to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Louisiana 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 Louisiana to Porto

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

Find hourly flight availability from Louisiana 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 December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Louisiana to Porto at noon. If you’re flexible enough to do this you can expect to save up to 51% on your trip compared to booking a flight in the morning.

Related info for your journey

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

  • What airport do you fly into for flights to Porto from Louisiana?

    For a flight from Louisiana to Porto, you will be flying into Porto. Porto (OPO) is just 6.8 mi from the center of the city.

  • How long is the flight from Louisiana to Porto?

    Departing from Louisiana to Porto will take you 16h. The distance between Louisiana and Porto is about 4478 mi. This flight may include one or multiple stops.

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

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

  • How can I find direct flights from Louisiana to Porto?

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

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

    Yes. Cheapflights offers flight deals from Louisiana 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 Louisiana 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 Louisiana to Porto

Discover the top airline that operate flights from Louisiana 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$592Average$748FlexibilityNo cancel feeOn-time69%

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