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.

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).

How far in advance should I book a flight from Louisiana to Portugal?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 30 days in advance, which can save you up to 257% on flights from Louisiana to Portugal compared to booking the week you need them. Waiting 30 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $614. For sooner than that we have options available in the next 3 days from $2,045.

What is the cheapest month to fly from Louisiana to Portugal?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, February can be a great choice for travel to Portugal. Flights to Portugal from Louisiana in February are about $1,049 on average during February, but can be found for as low as $595.

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.

$287+ Cheap Flights from Louisiana to Portugal

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Cheap flight deals from Louisiana to Portugal

Round-trip from	$546 (United Airlines)
One-way from	$287 (Kiwi.com)
Popular in	August
Cheapest in	February
Average price	$1,456

From Louisiana to Portugal

Search Deals

One-way flight from Louisiana to Portugal

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($181 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 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 August 14, 2025.

Tue 11/187:00 amMSY - LIS

2 stops20h 20mUnited Airlines

Tue 12/211:20 amLIS - MSY

2 stops33h 30mUnited Airlines

Deal found 8/13

$546

Sun 11/166:05 pmMSY - LIS

1 stop33h 15mAir Canada

Thu 12/410:55 amLIS - MSY

2 stops42h 58mAir Canada

Deal found 8/13

$548

Sun 11/167:00 amMSY - LIS

2 stops19h 10mUnited Airlines

Tue 12/211:20 amLIS - MSY

2 stops33h 30mUnited Airlines

Deal found 8/13

$550

Tue 11/185:15 amMSY - LIS

2 stops22h 05mAir Canada

Wed 12/311:00 amLIS - MSY

2 stops33h 50mAir Canada

Deal found 8/13

$552

Sun 11/166:05 pmMSY - LIS

1 stop33h 15mAir Canada

Wed 12/311:00 amLIS - MSY

2 stops35h 01mAir Canada

Deal found 8/13

$554

Fri 11/216:10 pmMSY - LIS

2 stops57h 10mAir Canada

Tue 12/211:20 amLIS - MSY

2 stops41h 01mAir Canada

Deal found 8/13

$558

Sat 11/227:18 pmMSY - LIS

2 stops32h 02mAir Canada

Fri 12/511:20 amLIS - MSY

2 stops40h 19mAir Canada

Deal found 8/13

$559

Fri 11/216:10 pmMSY - LIS

2 stops57h 10mAir Canada

Wed 12/311:00 amLIS - MSY

2 stops36h 44mAir Canada

Deal found 8/13

$565

Mon 11/2411:10 amMSY - LIS

1 stop15h 55mAmerican Airlines

Mon 12/88:45 pmLIS - MSY

2 stops17h 53mAmerican Airlines

Deal found 8/14

$567

Mon 11/1712:45 pmMSY - LIS

1 stop15h 30mUnited Airlines

Fri 12/511:55 amLIS - MSY

1 stop13h 44mUnited Airlines

Deal found 8/13

$569

Sun 11/166:05 pmMSY - LIS

1 stop33h 15mUnited Airlines

Wed 12/310:15 amLIS - MSY

1 stop14h 31mUnited Airlines

Deal found 8/13

$571

Sun 11/165:15 amMSY - LIS

2 stops20h 55mUnited Airlines

Fri 12/511:55 amLIS - MSY

1 stop13h 44mUnited Airlines

Deal found 8/13

$573

Best flights from Louisiana to Portugal
Discover carefully curated flight deals from Louisiana to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Wed 10/293:56 pmMSY - LIS

2 stops23h 09mIberia

Wed 11/56:30 amLIS - MSY

2 stops22h 35mIberia

Deal found 8/14

$581

Tue 11/255:07 amBTR - LIS

2 stops22h 13mUnited Airlines

Wed 12/311:00 amLIS - BTR

2 stops34h 22mUnited Airlines

Deal found 8/13

$588

Sun 10/199:50 pmMSY - LIS

1 stop19h 15mMultiple Airlines

Sun 11/27:45 amLIS - MSY

2 stops22h 11mMultiple Airlines

Deal found 8/12

$617

Mon 11/242:05 pmBTR - LIS

2 stops18h 45mLufthansa

Mon 12/112:30 pmLIS - BTR

2 stops34h 58mLufthansa

Deal found 8/13

$696

Wed 12/2410:27 amBTR - LIS

2 stops22h 08mDelta

Tue 12/3011:15 amLIS - BTR

2 stops28h 25mDelta

Deal found 8/12

$732

Wed 12/243:30 pmMSY - FAO

2 stops20h 45mKLM

Sun 12/286:50 pmFAO - MSY

2 stops28h 59mKLM

Deal found 8/14

$850

Sun 9/286:48 pmMSY - FAO

2 stops33h 32mBritish Airways

Sun 10/511:15 amFAO - MSY

1 stop14h 45mBritish Airways

Deal found 8/14

$926

Mon 10/273:54 pmMSY - LIS

2 stops19h 11mIberia

Wed 11/56:30 amLIS - MSY

2 stops22h 35mIberia

Deal found 8/14

$581

Sun 11/235:07 amBTR - LIS

2 stops23h 08mUnited Airlines

Wed 12/311:00 amLIS - BTR

2 stops32h 14mUnited Airlines

Deal found 8/13

$593

Sun 10/199:50 pmMSY - LIS

1 stop19h 15mMultiple Airlines

Sat 11/16:30 amLIS - MSY

2 stops20h 05mMultiple Airlines

Deal found 8/12

$617

Tue 10/283:56 pmMSY - LIS

2 stops14h 54mIberia

Tue 11/412:30 pmLIS - MSY

2 stops17h 26mIberia

Deal found 8/14

$581

Mon 11/2412:10 pmBTR - LIS

2 stops14h 00mUnited Airlines

Wed 12/311:00 amLIS - BTR

2 stops34h 22mUnited Airlines

Deal found 8/13

$593

Last-minute flights from Louisiana to Portugal
Discover last-minute flight deals from Louisiana to Portugal. Data last updated August 14, 2025 and is based on user searches.

Sun 8/315:20 amMSY - OPO

2 stops23h 15mMultiple Airlines

Wed 9/177:15 amOPO - MSY

3 stops42h 03mMultiple Airlines

Deal found 8/13

$843

Wed 9/179:50 pmMSY - LIS

1 stop19h 20mAmerican Airlines

Wed 9/2411:05 amLIS - MSY

1 stop13h 15mAmerican Airlines

Deal found 8/14

$764

Wed 9/179:50 pmMSY - LIS

1 stop14h 05mBritish Airways

Wed 9/2411:00 amLIS - MSY

1 stop15h 00mBritish Airways

Deal found 8/12

$777

Fri 9/268:00 amMSY - LIS

2 stops32h 30mMultiple Airlines

Fri 10/36:35 amLIS - MSY

2 stops22h 20mMultiple Airlines

Deal found 8/12

$753

Sat 9/272:38 pmMSY - LIS

2 stops26h 42mMultiple Airlines

Fri 10/36:35 amLIS - MSY

2 stops22h 20mMultiple Airlines

Deal found 8/13

$711

Sun 9/288:00 amMSY - FAO

2 stops29h 00mMultiple Airlines

Sun 10/511:55 amFAO - MSY

3 stops38h 49mMultiple Airlines

Deal found 8/14

$737

Sun 9/287:00 amMSY - FAO

2 stops25h 35mUnited Airlines

Sun 10/53:25 pmFAO - MSY

2 stops37h 50mUnited Airlines

Deal found 8/14

$855

Sun 9/286:48 pmMSY - FAO

2 stops33h 32mBritish Airways

Sun 10/511:15 amFAO - MSY

1 stop14h 45mBritish Airways

Deal found 8/14

$926

Mon 9/2910:56 amMSY - LIS

3 stops30h 24mMultiple Airlines

Wed 10/155:55 amLIS - MSY

3 stops35h 05mMultiple Airlines

Deal found 8/13

$736

Mon 9/298:00 amMSY - LIS

1 stop20h 30mUnited Airlines

Wed 10/156:15 amLIS - MSY

2 stops22h 06mUnited Airlines

Deal found 8/13

$761

Tue 9/303:43 pmMSY - LIS

2 stops16h 42mBritish Airways

Thu 10/96:35 amLIS - MSY

2 stops21h 00mBritish Airways

Deal found 8/14

$763

Tue 9/306:35 pmMSY - LIS

2 stops15h 30mAmerican Airlines

Thu 10/96:35 amLIS - MSY

2 stops17h 13mAmerican Airlines

Deal found 8/13

$776

One-way flights from Louisiana to Portugal
Search for one-way flight options from Louisiana to Portugal. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Tue 9/168:19 pmMSY - OPO

3 stops44h 16mMultiple Airlines

Deal found 8/14

$287

Mon 9/152:03 pmMSY - LIS

2 stops27h 17mMultiple Airlines

Deal found 8/12

$289

Wed 10/112:33 pmMSY - LIS

2 stops23h 12mMultiple Airlines

Deal found 8/14

$297

Tue 9/166:30 amMSY - LIS

3 stops29h 55mMultiple Airlines

Deal found 8/13

$314

Thu 9/115:52 pmMSY - LIS

3 stops56h 48mMultiple Airlines

Deal found 8/14

$378

Sun 8/315:01 pmMSY - LIS

3 stops43h 24mMultiple Airlines

Deal found 8/13

$400

Wed 10/110:26 amMSY - LIS

1 stop17h 39mTAP AIR PORTUGAL

Deal found 8/14

$405

Mon 9/1510:34 amMSY - LIS

1 stop17h 31mTAP AIR PORTUGAL

Deal found 8/12

$442

Sun 9/286:00 amBTR - LIS

2 stops21h 05mAmerican Airlines

Deal found 8/14

$474

Tue 9/1610:15 amMSY - OPO

1 stop18h 15mTAP AIR PORTUGAL

Deal found 8/14

$696

Sun 9/286:22 pmBTR - LIS

3 stops57h 33mMultiple Airlines

Deal found 8/14

$2,427

Fly from

Fly to

Route

Depart

Return

Price

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Wed 10/29

3:56 pm-8:05 pm

2 stops23h 09m

Lisbon Humberto Delgado

Wed 11/5

6:30 am-11:05 pm

2 stops22h 35m

$581

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Mon 10/27

3:54 pm-4:05 pm

2 stops19h 11m

Lisbon Humberto Delgado

Wed 11/5

6:30 am-11:05 pm

2 stops22h 35m

$581

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Tue 10/28

3:56 pm-11:50 am

2 stops14h 54m

Lisbon Humberto Delgado

Tue 11/4

12:30 pm-11:56 pm

2 stops17h 26m

$581

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Tue 11/4

7:30 am-11:50 am

2 stops22h 20m

Lisbon Humberto Delgado

Tue 11/11

12:30 pm-11:56 pm

2 stops17h 26m

$581

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Wed 10/29

3:56 pm-8:05 pm

2 stops23h 09m

Lisbon Humberto Delgado

Thu 11/6

12:30 pm-11:56 pm

2 stops17h 26m

$581

New OrleansLisbon

MSY - LIS

MSYLIS

New Orleans Louis Armstrong

Mon 10/27

3:54 pm-4:05 pm

2 stops19h 11m

Lisbon Humberto Delgado

Tue 11/4

12:30 pm-11:56 pm

2 stops17h 26m

$581

Baton RougeLisbon

BTR - LIS

BTRLIS

Baton Rouge Ryan

Tue 11/25

5:07 am-9:20 am

2 stops22h 13m

Lisbon Humberto Delgado

Wed 12/3

11:00 am-3:22 pm

2 stops34h 22m

$588

Baton RougeLisbon

BTR - LIS

BTRLIS

Baton Rouge Ryan

Sun 11/23

5:07 am-10:15 am

2 stops23h 08m

Lisbon Humberto Delgado

Wed 12/3

11:00 am-1:14 pm

2 stops32h 14m

$593

Baton RougeLisbon

BTR - LIS

BTRLIS

Baton Rouge Ryan

Mon 11/24

12:10 pm-8:10 am

2 stops14h 00m

Lisbon Humberto Delgado

Wed 12/3

11:00 am-3:22 pm

2 stops34h 22m

$593

Baton RougeLisbon

BTR - LIS

BTRLIS

Baton Rouge Ryan

Tue 11/25

5:07 am-9:20 am

2 stops22h 13m

Lisbon Humberto Delgado

Tue 12/2

5:00 am-9:13 pm

2 stops22h 13m

$598

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 41 results

...

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 $1,128). 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?

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

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 $1,128). 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

Alternative routes for Louisiana to Portugal

John F Kennedy Intl to Heathrow flights

Newark to Heathrow flights

John F Kennedy Intl to Charles de Gaulle flights

John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights

Newark to Charles de Gaulle flights

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Newark to Leonardo da Vinci/Fiumicino flights

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John F Kennedy Intl to London City flights

John F Kennedy Intl to Lisbon flights

Newark to Orly flights

John F Kennedy Intl to Istanbul flights

Miami to Madrid flights

John F Kennedy Intl to Stansted flights

Newark to London City flights

Boston to Heathrow flights

LaGuardia to Gatwick flights

Newark to Lisbon flights

Dulles Intl to Heathrow flights

John F Kennedy Intl to Madrid flights

John F Kennedy Intl to Orly flights

John F Kennedy Intl to Luton flights

Newark to Athens flights

Los Angeles to Heathrow flights

LaGuardia to Charles de Gaulle flights

John F Kennedy Intl to Malpensa flights

Newark to Stansted flights

O'Hare Intl to Heathrow flights

San Francisco to Heathrow flights

Newark to Barcelona-El Prat flights

Dallas/Fort Worth to Heathrow flights

John F Kennedy Intl to Frederic Chopin flights

Newark to Madrid flights

Newark to Malpensa flights

John F Kennedy Intl to Athens flights

Seattle to Heathrow flights

Dallas/Fort Worth to Charles de Gaulle flights

Boston to Charles de Gaulle flights

Baltimore to Heathrow flights

John F Kennedy Intl to Dublin flights

Boston to Leonardo da Vinci/Fiumicino flights

Newark to Luton flights

LaGuardia to Leonardo da Vinci/Fiumicino flights

Newark to Dublin flights

Dulles Intl to Charles de Gaulle flights

Los Angeles to Charles de Gaulle flights

John F Kennedy Intl to Barcelona-El Prat flights

O'Hare Intl to Leonardo da Vinci/Fiumicino flights

O'Hare Intl to Charles de Gaulle flights

Complete your trip

Portugal car rentals

Madeira car rentals

Azores car rentals

Lisbon Humberto Delgado Airport car rentals

Porto Airport car rentals

Ponta Delgada Nordela Airport car rentals

Lajes Airport car rentals

Lisbon car rentals

Porto car rentals

Funchal car rentals

Ponta Delgada car rentals

Faro car rentals

Top 5 airlines flying from Louisiana to Portugal

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$592	Average$929	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$613	Average$1,224	FlexibilityNo cancel fee	On-time71%
KLM	Cheapest$613	Average$928	FlexibilityNo cancel fee	On-time75%
British Airways	Cheapest$747	Average$1,027	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$870	Average$1,203	FlexibilityNo cancel fee	On-timeN/A

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$287+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Louisiana to Portugal with Cheapflights

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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 August 14, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Louisiana to Portugal

Cheapest flights from Louisiana to PortugalExplore 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 August 14, 2025.

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 August 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Louisiana to Portugal that are best for you.

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.

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?

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 August 14, 2025.

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.

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

How can I find direct flights from Louisiana to Portugal?

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

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

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 5 airlines flying from Louisiana to Portugal

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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 August 14, 2025.