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Portugal

$559+ Cheap flights from Louisiana to Portugal

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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LIS
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Louisiana to Portugal

Keep the following information in mind while searching for Louisiana to Portugal flight deals. Data was last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$559
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$1,284
Provider with most accurate pricing for New Orleans Louis Armstrong-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Lisbon Humberto Delgado flights.
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From Louisiana to Portugal
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Highest demand for flights based on searches. 21% potential increase in price ($275 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Louisiana to Portugal

Cheapest flights from Louisiana to Portugal
Explore the most affordable flight options available from Louisiana to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. 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 10/257:23 pmMSY - LIS
2 stops32h 57mUnited Airlines
Tue 11/1111:00 amLIS - MSY
3 stops42h 15mUnited Airlines
Deal found 4/30$559
This Iberia deal was found by Cheapflights users on 4/30. 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 11/49:51 amMSY - OPO
2 stops15h 49mIberia
Thu 11/1312:25 pmOPO - MSY
2 stops17h 19mIberia
Deal found 4/30$567
This Ovago deal was found by Cheapflights users on 4/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2511:55 amMSY - LIS
1 stop17h 15mLufthansa
Tue 11/1110:15 amLIS - MSY
1 stop18h 17mLufthansa
Deal found 4/30$647
This Iberia deal was found by Cheapflights users on 4/30. 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 9/306:07 pmMSY - LIS
2 stops15h 58mIberia
Thu 10/912:30 pmLIS - MSY
2 stops17h 07mIberia
Deal found 4/30$725
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3011:01 amMSY - LIS
1 stop16h 04mAmerican Airlines
Thu 10/97:20 amLIS - MSY
1 stop18h 40mAmerican Airlines
Deal found 4/30$730
This Booking.com deal was found by Cheapflights users on 5/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:10 pmMSY - LIS
2 stops41h 35mBritish Airways
Mon 12/293:40 pmLIS - MSY
1 stop32h 15mBritish Airways
Deal found 5/1$733
This Air Canada deal was found by Cheapflights users on 5/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:58 pmMSY - LIS
2 stops31h 22mAir Canada
Fri 10/312:50 pmLIS - MSY
2 stops39h 40mAir Canada
Deal found 5/1$747
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/235:00 amBTR - LIS
2 stops22h 20mUnited Airlines
Fri 10/312:50 pmLIS - BTR
2 stops32h 30mUnited Airlines
Deal found 5/1$747
This Air Canada deal was found by Cheapflights users on 5/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3012:40 pmMSY - LIS
2 stops14h 40mMultiple Airlines
Thu 10/95:05 amLIS - MSY
2 stops35h 57mMultiple Airlines
Deal found 5/1$753
This Iberia deal was found by Cheapflights users on 4/29. 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.
Sun 10/59:50 pmMSY - OPO
1 stop16h 30mMultiple Airlines
Fri 10/178:15 amOPO - MSY
2 stops21h 22mMultiple Airlines
Deal found 4/29$761
This KLM deal was found by Cheapflights users on 4/30. 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 7/82:41 pmMSY - LIS
1 stop14h 04mKLM
Tue 7/2210:00 amLIS - MSY
1 stop14h 41mKLM
Deal found 4/30$897
This KAYAK deal was found by Cheapflights users on 4/29. 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.
Sun 10/59:50 pmMSY - OPO
1 stop16h 30mBritish Airways
Fri 10/179:10 pmOPO - MSY
1 stop28h 50mBritish Airways
Deal found 4/29$913

Cheapflights Fare Finder

Customize your flight search to find flights from Louisiana to Portugal 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 May 1, 2025.
Use the filters below to find and compare flights from Louisiana to Portugal that are best for you.

Fly from

Louisiana

Fly to

Portugal

Route

Depart

Return

Price

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Sat 10/25

7:23 pm-10:20 am

2 stops32h 57m

Lisbon Humberto Delgado

Tue 11/11

11:00 am-11:15 pm

3 stops42h 15m

$559

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Sat 10/25

11:55 am-11:10 am

1 stop17h 15m

Lisbon Humberto Delgado

Tue 11/11

10:15 am-10:32 pm

1 stop18h 17m

$647

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sun 10/5

4:27 pm-3:55 pm

2 stops17h 28m

Porto

Fri 10/17

8:15 am-11:37 pm

2 stops21h 22m

$717

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Tue 9/30

6:07 pm-4:05 pm

2 stops15h 58m

Lisbon Humberto Delgado

Thu 10/9

12:30 pm-11:37 pm

2 stops17h 07m

$725

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Tue 9/30

11:01 am-9:05 am

1 stop16h 04m

Lisbon Humberto Delgado

Thu 10/9

7:20 am-8:00 pm

1 stop18h 40m

$730

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Tue 9/23

7:58 pm-9:20 am

2 stops31h 22m

Lisbon Humberto Delgado

Fri 10/3

12:50 pm-10:30 pm

2 stops39h 40m

$747

Baton RougeLisbon

BTR - LIS

BTRLIS

Baton Rouge Ryan

Tue 9/23

5:00 am-9:20 am

2 stops22h 20m

Lisbon Humberto Delgado

Fri 10/3

12:50 pm-3:20 pm

2 stops32h 30m

$747

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Tue 9/30

12:40 pm-9:20 am

2 stops14h 40m

Lisbon Humberto Delgado

Thu 10/9

5:05 am-11:02 am

2 stops35h 57m

$753

New OrleansPorto

MSY - OPO

MSYOPO

New Orleans Louis Armstrong

Sun 10/5

9:50 pm-8:20 pm

1 stop16h 30m

Porto

Fri 10/17

8:15 am-11:37 pm

2 stops21h 22m

$761

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Sun 7/13

9:50 pm-5:55 pm

1 stop14h 05m

Lisbon Humberto Delgado

Wed 7/23

3:10 pm-7:55 pm

1 stop34h 45m

$873

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 35 results
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Best time to book a flight from Louisiana to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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 Portugal

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

Currently, January is the cheapest month in which you can book a flight from Louisiana to Portugal (average of $612). Flying from Louisiana to Portugal in June is currently the most expensive (average of $1,178). 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.

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

Find hourly flight availability from Louisiana to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

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

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated May 1, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Louisiana to Portugal by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

  • What are the cheapest airlines to fly from Louisiana to Portugal one-way?

    One-way options have recently been found by users for as low as $571 on American Airlines. Other airlines that offer cheap prices include Air Canada from $583 and British Airways from $594 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisiana to Portugal 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 Portugal?

    Currently, January is the cheapest month in which you can book a flight from Louisiana to Portugal (average of $612). Flying from Louisiana to Portugal in June is currently the most expensive (average of $1,178). 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

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Alternative routes for Louisiana to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Louisiana to Portugal

Discover the top 6 airlines that operate flights from Louisiana to Portugal. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$540Average$707FlexibilityNo cancel feeOn-time75%
DeltaCheapest$540Average$1,186FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$613Average$1,225FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$633Average$1,043FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$670Average$1,017FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$1,187Average$1,983FlexibilityNo cancel feeOn-time76%

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