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$491+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — OPO
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Cheap flight deals from Louisiana to Porto

Keep the following information in mind while searching for Louisiana to Porto flight deals. Data was last updated November 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$491
(Delta)
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 Louisiana to Porto
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Find flight deals from Louisiana to Porto

Cheapest flights from Louisiana to Porto
Explore the most affordable flight options available from Louisiana to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

This Delta deal was found by Cheapflights users on 10/31. 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.
Fri 12/55:15 amMSY - OPO
2 stops23h 15mDelta
Tue 12/166:05 amOPO - MSY
2 stops18h 59mDelta
Deal found 10/31$491
This Delta deal was found by Cheapflights users on 10/31. 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 12/212:03 pmMSY - OPO
2 stops16h 27mDelta
Tue 12/166:05 amOPO - MSY
2 stops18h 59mDelta
Deal found 10/31$492
This Delta deal was found by Cheapflights users on 10/31. 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 12/212:03 pmMSY - OPO
2 stops16h 27mDelta
Sun 12/145:00 amOPO - MSY
2 stops35h 43mDelta
Deal found 10/31$497
This KLM deal was found by Cheapflights users on 10/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/412:03 pmMSY - OPO
2 stops16h 27mKLM
Tue 12/166:05 amOPO - MSY
2 stops18h 59mKLM
Deal found 10/31$498
This United Airlines deal was found by Cheapflights users on 10/31. 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 12/412:30 pmMSY - OPO
2 stops17h 10mUnited Airlines
Wed 12/1712:30 pmOPO - MSY
2 stops30h 58mUnited Airlines
Deal found 10/31$503
This Cheapflightsfares deal was found by Cheapflights users on 10/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:29 pmMSY - OPO
2 stops25h 56mLufthansa
Wed 12/176:00 amOPO - MSY
2 stops22h 21mLufthansa
Deal found 10/31$591
This Air France deal was found by Cheapflights users on 10/31. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/61:07 pmMSY - OPO
2 stops15h 23mMultiple Airlines
Wed 12/1711:15 amOPO - MSY
2 stops27h 01mMultiple Airlines
Deal found 10/31$592
This British Airways deal was found by Cheapflights users on 10/31. 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 12/27:55 pmMSY - OPO
1 stop15h 50mBritish Airways
Mon 12/155:30 pmOPO - MSY
1 stop30h 25mBritish Airways
Deal found 10/31$606
This Delta deal was found by Cheapflights users on 10/31. 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 12/211:26 amMSY - OPO
2 stops17h 04mDelta
Sat 12/2011:25 amOPO - MSY
2 stops36h 23mDelta
Deal found 10/31$610
This Delta deal was found by Cheapflights users on 10/31. 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.
Thu 12/412:03 pmMSY - OPO
2 stops16h 27mDelta
Sat 12/2011:25 amOPO - MSY
2 stops36h 23mDelta
Deal found 10/31$616
This British Airways deal was found by Cheapflights users on 10/31. 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 12/67:55 pmMSY - OPO
1 stop17h 20mBritish Airways
Mon 12/155:30 pmOPO - MSY
1 stop30h 25mBritish Airways
Deal found 10/31$656
This KLM deal was found by Cheapflights users on 11/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/411:50 amMSY - OPO
2 stops16h 40mKLM
Thu 11/136:35 amOPO - MSY
2 stops23h 00mKLM
Deal found 11/1$741

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 November 2, 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

Fri 12/5

5:15 am-10:30 am

2 stops23h 15m

Porto

Mon 12/15

11:15 am-6:54 pm

2 stops37h 39m

$491

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Fri 12/5

5:15 am-10:30 am

2 stops23h 15m

Porto

Tue 12/16

6:05 am-7:04 pm

2 stops18h 59m

$491

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mon 12/8

11:26 am-10:30 am

2 stops17h 04m

Porto

Tue 12/16

6:05 am-7:04 pm

2 stops18h 59m

$492

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sun 12/7

5:15 am-10:30 am

2 stops23h 15m

Porto

Tue 12/16

6:05 am-7:04 pm

2 stops18h 59m

$492

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 12/3

11:26 am-10:30 am

2 stops17h 04m

Porto

Mon 12/15

11:15 am-6:54 pm

2 stops37h 39m

$492

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Mon 12/8

5:15 am-10:30 am

2 stops23h 15m

Porto

Mon 12/15

11:15 am-6:54 pm

2 stops37h 39m

$492

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Fri 12/5

5:15 am-10:30 am

2 stops23h 15m

Porto

Sun 12/14

5:00 am-10:25 am

2 stops35h 25m

$497

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 12/2

12:03 pm-10:30 am

2 stops16h 27m

Porto

Sun 12/14

5:00 am-10:43 am

2 stops35h 43m

$497

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Wed 12/3

11:26 am-10:30 am

2 stops17h 04m

Porto

Sun 12/14

5:00 am-10:43 am

2 stops35h 43m

$497

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Thu 12/4

12:03 pm-10:30 am

2 stops16h 27m

Porto

Mon 12/15

11:15 am-6:54 pm

2 stops37h 39m

$498

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 12 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 November 2, 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 50% 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 23h 15m. The distance between Louisiana and Porto is about 4478 mi.

  • 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

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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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$592Average$748FlexibilityNo cancel feeOn-time69%

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