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$279+ Cheap flights from Louisiana 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 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$544
(United Airlines)

One-way from

$279
(Kiwi.com)
From Louisiana to Porto
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One-way flight 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 September 16, 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
Thu 11/1312:35 pmOPO - MSY
2 stops16h 24mUnited Airlines
Deal found 9/15$547
This Gurufare deal was found by Cheapflights users on 9/13. 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 9/13$553
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Tue 11/46:05 pmMSY - OPO
2 stops42h 30mAir Canada
Tue 11/116:00 amOPO - MSY
2 stops41h 17mAir Canada
Deal found 9/13$559
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Mon 11/36:05 pmMSY - OPO
2 stops38h 40mAir Canada
Tue 11/116:00 amOPO - MSY
2 stops41h 17mAir Canada
Deal found 9/13$565
This KAYAK deal was found by Cheapflights users on 9/13. 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 11/512:25 pmMSY - OPO
2 stops18h 50mLufthansa
Wed 11/126:00 amOPO - MSY
2 stops23h 44mLufthansa
Deal found 9/13$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 9/13. 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 11/512:25 pmMSY - OPO
2 stops29h 15mLufthansa
Mon 11/1012:30 pmOPO - MSY
2 stops41h 14mLufthansa
Deal found 9/13$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.
Tue 11/411:50 amMSY - OPO
2 stops16h 40mDelta
Mon 11/1011:25 amOPO - MSY
2 stops34h 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 Iberia deal was found by Cheapflights users on 9/13. 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.
Tue 11/47:55 pmMSY - OPO
1 stop15h 40mMultiple Airlines
Thu 11/138:40 pmOPO - MSY
2 stops26h 30mMultiple Airlines
Deal found 9/13$593

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 September 16, 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

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

Thu 11/13

12:35 pm-10:59 pm

2 stops16h 24m

$547

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 11/4

10:38 am-9:30 am

2 stops16h 52m

Porto

Wed 11/12

12:35 pm-8:52 am

2 stops26h 17m

$547

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Tue 11/4

2:20 pm-9:30 am

2 stops13h 10m

Porto

Fri 11/14

12:35 pm-8:52 am

2 stops26h 17m

$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

Wed 11/5

10:38 am-3:25 pm

2 stops22h 47m

Porto

Fri 11/14

12:35 pm-10:59 pm

2 stops16h 24m

$574

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

Tue 11/11

1:05 pm-10:30 am

2 stops15h 25m

Porto

Mon 11/24

11:25 am-4:53 pm

2 stops35h 28m

$590

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 17 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 September 16, 2025.

When flying from Louisiana to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 15h 29m. 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.

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

    Currently, January is the cheapest month in which you can book a flight from Louisiana to Porto (average of $523). Flying from Louisiana to Porto in June is currently the most expensive (average of $1,027). 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 Louisiana 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 Louisiana to Porto

Discover the top 2 airlines 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$574Average$888FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$592Average$838FlexibilityNo cancel feeOn-time69%

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