Portugal

$301+ Cheap flights from Louisiana to Portugal

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LIS
Oct 29 — Nov 51
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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 September 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$548
(Delta)

One-way from

$301
(Mytrip)

Popular in

August

Cheapest in

February

Average price

$1,084
Provider with most accurate pricing for New Orleans Louis Armstrong-Lisbon Humberto Delgado flight deals.
Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Lisbon Humberto Delgado flights.
From Louisiana to Portugal
One-way flight from Louisiana to Portugal
Highest demand for flights based on searches. 16% potential increase in price ($197 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
Average for round-trip flights in September 2025

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 September 29, 2025.

This Iberia deal was found by Cheapflights users on 9/27. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:55 pmMSY - LIS
1 stop19h 50mMultiple Airlines
Wed 12/106:45 pmLIS - MSY
2 stops20h 46mMultiple Airlines
Deal found 9/27$544
This Delta deal was found by Cheapflights users on 9/28. 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 10/282:53 pmMSY - LIS
1 stop12h 07mDelta
Tue 11/45:00 amLIS - MSY
2 stops19h 09mDelta
Deal found 9/28$548
This Delta deal was found by Cheapflights users on 9/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/282:53 pmMSY - LIS
1 stop12h 07mDelta
Fri 11/75:30 amLIS - MSY
2 stops22h 40mDelta
Deal found 9/27$553
This British Airways deal was found by Cheapflights users on 9/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:55 pmMSY - LIS
1 stop12h 50mBritish Airways
Wed 12/106:35 pmLIS - MSY
1 stop29h 20mBritish Airways
Deal found 9/27$556
This Booking.com deal was found by Cheapflights users on 9/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:05 amMSY - LIS
2 stops21h 15mMultiple Airlines
Thu 11/205:00 amLIS - MSY
2 stops24h 44mMultiple Airlines
Deal found 9/29$566
This United Airlines deal was found by Cheapflights users on 9/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:18 pmMSY - LIS
2 stops32h 57mUnited Airlines
Tue 11/185:00 amLIS - MSY
2 stops22h 40mUnited Airlines
Deal found 9/27$568
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:45 pmMSY - LIS
1 stop15h 30mUnited Airlines
Thu 11/205:00 amLIS - MSY
2 stops42h 17mUnited Airlines
Deal found 9/29$572
This Expedia deal was found by Cheapflights users on 9/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/47:05 amMSY - LIS
2 stops34h 20mIberia
Wed 11/128:20 amLIS - MSY
2 stops21h 39mIberia
Deal found 9/27$573
This United Airlines deal was found by Cheapflights users on 9/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/48:00 amMSY - LIS
1 stop20h 15mUnited Airlines
Wed 11/1210:15 amLIS - MSY
1 stop14h 48mUnited Airlines
Deal found 9/27$577
This Cheapflightsfares deal was found by Cheapflights users on 9/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/42:20 pmMSY - LIS
2 stops27h 10mLufthansa
Wed 11/125:00 amLIS - MSY
2 stops23h 26mLufthansa
Deal found 9/26$578
This Mytrip deal was found by Cheapflights users on 9/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/58:29 amMSY - OPO
2 stops19h 46mMultiple Airlines
Sun 11/96:30 amOPO - MSY
3 stops31h 04mMultiple Airlines
Deal found 9/27$616
This United Airlines deal was found by Cheapflights users on 9/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/510:38 amMSY - OPO
2 stops22h 47mUnited Airlines
Sun 11/96:00 amOPO - MSY
2 stops33h 41mUnited Airlines
Deal found 9/27$652

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 September 29, 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

Tue 11/11

3:02 pm-8:00 am

1 stop10h 58m

Lisbon Humberto Delgado

Tue 11/18

5:00 am-8:08 pm

2 stops21h 08m

$548

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Tue 10/28

2:53 pm-8:00 am

1 stop12h 07m

Lisbon Humberto Delgado

Tue 11/4

5:00 am-6:09 pm

2 stops19h 09m

$548

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Tue 11/11

10:42 am-8:00 am

2 stops15h 18m

Lisbon Humberto Delgado

Tue 11/18

5:00 am-5:57 pm

2 stops18h 57m

$552

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Wed 3/11

12:34 pm-10:15 am

1 stop16h 41m

Lisbon Humberto Delgado

Tue 3/17

11:20 am-6:13 pm

2 stops35h 53m

$554

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Tue 12/2

7:55 pm-2:45 pm

1 stop12h 50m

Lisbon Humberto Delgado

Wed 12/10

6:35 pm-5:55 pm

1 stop29h 20m

$556

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Tue 10/28

5:52 pm-5:30 pm

2 stops18h 38m

Lisbon Humberto Delgado

Fri 11/7

5:30 am-10:10 pm

2 stops22h 40m

$557

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Thu 11/13

12:45 pm-10:15 am

1 stop15h 30m

Lisbon Humberto Delgado

Thu 11/20

5:00 am-5:17 pm

2 stops42h 17m

$572

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Tue 11/4

7:05 am-11:25 pm

2 stops34h 20m

Lisbon Humberto Delgado

Wed 11/12

8:20 am-11:59 pm

2 stops21h 39m

$573

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Wed 3/25

7:20 am-8:10 am

2 stops19h 50m

Lisbon Humberto Delgado

Tue 3/31

7:30 am-11:15 pm

2 stops21h 45m

$593

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Wed 3/25

2:07 pm-9:05 am

1 stop13h 58m

Lisbon Humberto Delgado

Tue 3/31

11:05 am-9:05 pm

1 stop16h 00m

$602

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/27

Showing 1-10 of 41 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 $1,126). 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 September 29, 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.

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.
  • How long is the flight from Louisiana to Portugal?

    There are many flights that can get you from Louisiana to Portugal in 10h 58m. Fly via Delta, KLM, or United Airlines to get the fastest option. There are 4511 mi between Louisiana and Portugal. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $1,126). 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

Browse thousands of different options on Cheapflights for your next trip

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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.

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 September 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$574Average$1,061FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$592Average$902FlexibilityNo cancel feeOn-time69%
KLMCheapest$613Average$840FlexibilityNo cancel feeOn-time75%
DeltaCheapest$614Average$1,206FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$637Average$1,080FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$737Average$1,027FlexibilityNo cancel feeOn-time70%

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