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$317+ 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 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 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 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 Louisiana to Porto

Keep the following information in mind while searching for Louisiana to Porto flight deals. Data was 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.
Search Deals
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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One-way flight from Louisiana to Porto
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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 January 29, 2026.
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

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
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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
No data available for this route at this time. Please check back soon.

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 14h 42m. 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
Vila Nova de Gaia
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 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$592Average$748FlexibilityNo cancel feeOn-time69%

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