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$327+ Cheap flights from Heathrow (LHR) to Louisiana

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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MSY
Dec 25 — Jan 11
Thu 12/25
Thu 1/1
1 adult, Economy
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Find flight deals from Heathrow to Louisiana

Cheapest flights from Heathrow to Louisiana
Explore the most affordable flight options available from Heathrow to Louisiana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 25, 2025.

This American Airlines deal was found by Cheapflights users on 11/24. 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.
Fri 12/54:10 pmLHR - SHV
2 stops36h 32mAmerican Airlines
Tue 12/91:22 pmSHV - LHR
2 stops13h 53mAmerican Airlines
Deal found 11/24$769
This American Airlines deal was found by Cheapflights users on 11/24. 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.
Fri 12/59:55 amLHR - LFT
2 stops19h 18mAmerican Airlines
Tue 12/91:44 pmLFT - LHR
1 stop12h 51mAmerican Airlines
Deal found 11/24$791
This ResecentrumGruppen deal was found by Cheapflights users on 11/25. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1110:15 amLHR - MSY
1 stop14h 45mBritish Airways
Thu 12/257:55 pmMSY - LHR
Nonstop8h 40mBritish Airways
Deal found 11/25$830
This lastminute.com deal was found by Cheapflights users on 11/25. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1110:15 amLHR - MSY
1 stop14h 45mMultiple Airlines
Thu 12/256:00 amMSY - LHR
1 stop20h 15mMultiple Airlines
Deal found 11/25$832
This American Airlines deal was found by Cheapflights users on 11/25. 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.
Thu 12/118:20 amLHR - MSY
1 stop13h 59mAmerican Airlines
Mon 12/156:12 pmMSY - LHR
1 stop11h 53mAmerican Airlines
Deal found 11/25$838
This American Airlines deal was found by Cheapflights users on 11/25. 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.
Thu 12/411:15 amLHR - MSY
1 stop16h 16mAmerican Airlines
Wed 12/1710:59 amMSY - LHR
1 stop13h 51mAmerican Airlines
Deal found 11/25$843
This TravelUp deal was found by Cheapflights users on 11/25. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:15 amLHR - MSY
1 stop14h 45mBritish Airways
Thu 12/117:55 pmMSY - LHR
Nonstop8h 40mBritish Airways
Deal found 11/25$845
This ChecknFly deal was found by Cheapflights users on 11/25. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/162:45 pmLHR - MSY
1 stop28h 28mFinnair
Thu 12/256:00 amMSY - LHR
1 stop20h 15mFinnair
Deal found 11/25$847
This ResecentrumGruppen deal was found by Cheapflights users on 11/25. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/111:45 pmLHR - MSY
Nonstop10h 10mFinnair
Thu 12/257:55 pmMSY - LHR
Nonstop8h 40mFinnair
Deal found 11/25$856
This ChecknFly deal was found by Cheapflights users on 11/25. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/162:45 pmLHR - MSY
1 stop28h 28mFinnair
Wed 12/245:50 amMSY - LHR
1 stop24h 15mFinnair
Deal found 11/25$887
This American Airlines deal was found by Cheapflights users on 11/24. 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 12/911:45 amLHR - SHV
1 stop16h 57mAmerican Airlines
Mon 12/299:40 amSHV - LHR
2 stops15h 10mAmerican Airlines
Deal found 11/24$962
This American Airlines deal was found by Cheapflights users on 11/24. 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.
Thu 12/1110:05 amLHR - SHV
2 stops17h 36mAmerican Airlines
Mon 12/299:40 amSHV - LHR
2 stops15h 10mAmerican Airlines
Deal found 11/24$1,001

Cheap flight deals from Heathrow to Louisiana

Keep the following information in mind while searching for Heathrow to Louisiana flight deals. Data was last updated November 25, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$733
(British Airways)

One-way from

$327
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$894

Good one-way deal

$777 or less
Provider with most accurate pricing for London (LON)-New Orleans Louis Armstrong flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-New Orleans Louis Armstrong flights.
Search Deals
From London Heathrow to Louisiana
Search Deals
One-way flight from London Heathrow to Louisiana
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a one-way flight from London Heathrow to Louisiana.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to Louisiana 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 November 25, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Louisiana that are best for you.

Fly from

Heathrow

Fly to

Louisiana

Route

Depart

Return

Price

LondonBaton Rouge

LHR - BTR

LHRBTR

London Heathrow

Wed 1/28

7:35 am-10:56 pm

2 stops21h 21m

Baton Rouge Ryan

Mon 2/2

4:38 pm-11:40 am

1 stop13h 02m

$733

LondonBaton Rouge

LHR - BTR

LHRBTR

London Heathrow

Wed 1/21

9:55 am-5:01 pm

1 stop13h 06m

Baton Rouge Ryan

Sun 1/25

5:31 pm-7:20 am

1 stop31h 49m

$759

LondonShreveport

LHR - SHV

LHRSHV

London Heathrow

Fri 12/5

4:10 pm-10:42 pm

2 stops36h 32m

Shreveport

Tue 12/9

1:22 pm-11:40 am

1 stop16h 18m

$769

LondonBaton Rouge

LHR - BTR

LHRBTR

London Heathrow

Thu 1/29

6:15 am-10:56 pm

2 stops22h 41m

Baton Rouge Ryan

Mon 2/2

4:38 pm-12:15 pm

1 stop13h 37m

$772

LondonBaton Rouge

LHR - BTR

LHRBTR

London Heathrow

Mon 2/16

3:00 pm-10:36 pm

1 stop13h 36m

Baton Rouge Ryan

Tue 3/3

2:15 pm-12:15 pm

1 stop16h 00m

$774

LondonLafayette

LHR - LFT

LHRLFT

London Heathrow

Fri 12/5

9:55 am-11:13 pm

2 stops19h 18m

Lafayette Regional

Tue 12/9

1:44 pm-8:35 am

1 stop12h 51m

$791

LondonLafayette

LHR - LFT

LHRLFT

London Heathrow

Mon 2/16

8:25 pm-10:15 pm

2 stops31h 50m

Lafayette Regional

Tue 3/3

5:17 pm-6:50 am

2 stops31h 33m

$817

LondonLafayette

LHR - LFT

LHRLFT

London Heathrow

Wed 1/7

10:10 am-10:13 pm

2 stops18h 03m

Lafayette Regional

Wed 1/14

6:08 am-6:55 am

2 stops18h 47m

$820

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Sun 2/8

3:00 pm-10:57 pm

1 stop13h 57m

New Orleans Louis Armstrong

Sun 2/22

6:56 pm-8:35 am

1 stop31h 39m

$820

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Thu 12/11

10:15 am-7:00 pm

1 stop14h 45m

New Orleans Louis Armstrong

Thu 12/25

6:00 am-8:15 am

1 stop20h 15m

$832

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 50 results
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Best time to book a flight from Heathrow to Louisiana

Have a flexible travel schedule? Discover the best time to fly to Louisiana from Heathrow 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 London Heathrow Airport to Louisiana

What is the cheapest month to book a flight from London Heathrow Airport to Louisiana?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Louisiana (average of $609). Flying from London Heathrow Airport to Louisiana in July is currently the most expensive (average of $760). 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 LHR to LA?

Find hourly flight availability from Heathrow to Louisiana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 25, 2025.

When flying from London Heathrow Airport to Louisiana, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 34% versus a flight in the evening.

How much does it cost to fly round-trip from London Heathrow Airport to Louisiana?

Reviews of airlines servicing Louisiana

Get insights into the airlines that provide service to Louisiana. 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 Louisiana. Reviews last updated November 25, 2025.
Get a feel of what it's like to fly with British Airways from London Heathrow Airport to Louisiana by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,539 reviews

Entertainment

6.4

Boarding

6.9

Overall

6.7

Comfort

6.7

Crew

7.6

Food

6.3

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
7,539 reviews
British Airways
6.7
Okay
7,539 reviews

Entertainment

6.4

Boarding

6.9

Overall

6.7

Comfort

6.7

Crew

7.6

Food

6.3

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Louisiana. 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 London Heathrow Airport to Louisiana?

    There are many flights that can get you from London Heathrow Airport to Louisiana in 13h 06m. Fly via British Airways, American Airlines, or Virgin Atlantic to get the fastest option. The distance between London Heathrow Airport and Louisiana is about 4625 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from London Heathrow Airport to Louisiana one-way?

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $468. British Airways flights start at $546 while deals on Delta start at $568 one-way.

  • What are the most popular routes from London Heathrow Airport to Louisiana?

    Most travelers choose London Heathrow - New Orleans Louis Armstrong, London Heathrow - Shreveport or London Heathrow - Baton Rouge Ryan when deciding on the best route from London Heathrow Airport to Louisiana.

  • What are the most reliable airlines from London Heathrow Airport to Louisiana?

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Louisiana consider choosing American Airlines (87%), Aer Lingus (87%) or Finnair (87%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London Heathrow Airport to Louisiana?

    Looking at all options, your cheapest flight can be booked for $742. While the most popular route (London Heathrow - New Orleans Louis Armstrong) can be booked for $616 on average, our data indicates $1,009 when flying from London Heathrow Airport to Louisiana.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Louisiana 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 London Heathrow Airport to Louisiana?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Louisiana (average of $609). Flying from London Heathrow Airport to Louisiana in July is currently the most expensive (average of $760). 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 Heathrow to Louisiana

See prices for flight routes from nearby airports that may be better suited for you.
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Heathrow to Newark flights
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London City to Boston flights
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Stansted to Miami flights
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London City to San Francisco flights
Luton to Miami flights
Stansted to Orlando flights
Heathrow to Sky Harbor Intl flights
Gatwick to Las Vegas flights
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Heathrow to Reagan-National flights

Top airline flying from Heathrow to Louisiana

Discover the top airline that operate flights from Heathrow to Louisiana. 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 November 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$805Average$947FlexibilityNo cancel feeOn-time70%

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