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$416+ 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MSY
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
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Cheap 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 December 9, 2025.

This Travcart deal was found by Cheapflights users on 12/7. 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 Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/167:25 amLHR - MSY
1 stop17h 40mJetBlue
Wed 12/246:15 pmMSY - LHR
1 stop21h 25mJetBlue
Deal found 12/7$843
This Travcart deal was found by Cheapflights users on 12/7. 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 Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/179:20 amLHR - MSY
1 stop35h 20mJetBlue
Wed 12/246:15 pmMSY - LHR
1 stop21h 25mJetBlue
Deal found 12/7$930
This oojo deal was found by Cheapflights users on 12/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:45 pmLHR - MSY
Nonstop10h 10mMultiple Airlines
Tue 1/65:34 pmMSY - LHR
1 stop31h 46mMultiple Airlines
Deal found 12/9$993
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/231:30 pmLHR - MSY
2 stops32h 33mUnited Airlines
Thu 1/810:30 amMSY - LHR
1 stop13h 50mUnited Airlines
Deal found 12/9$1,019
This Expedia deal was found by Cheapflights users on 12/8. 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.
Mon 12/88:35 pmLHR - MSY
2 stops45h 22mMultiple Airlines
Sat 1/313:30 pmMSY - LHR
2 stops37h 20mMultiple Airlines
Deal found 12/8$1,110
This ChecknFly deal was found by Cheapflights users on 12/9. 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 12/234:15 pmLHR - MSY
2 stops32h 34mFinnair
Thu 1/87:55 pmMSY - LHR
Nonstop8h 40mFinnair
Deal found 12/9$1,155
This ChecknFly deal was found by Cheapflights users on 12/7. 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 12/3010:00 amLHR - MSY
1 stop19h 28mLufthansa
Tue 1/612:00 pmMSY - LHR
1 stop12h 20mLufthansa
Deal found 12/7$1,158
This JetBlue deal was found by Cheapflights users on 12/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:25 amLHR - MSY
1 stop17h 40mJetBlue
Sun 1/412:44 pmMSY - LHR
1 stop12h 11mJetBlue
Deal found 12/7$1,170
This American Airlines deal was found by Cheapflights users on 12/9. 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 12/168:20 amLHR - MSY
1 stop14h 40mAmerican Airlines
Thu 12/257:55 pmMSY - LHR
Nonstop8h 40mAmerican Airlines
Deal found 12/9$1,171
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/912:05 pmLHR - BTR
1 stop13h 23mUnited Airlines
Sat 1/311:55 pmBTR - LHR
1 stop11h 35mUnited Airlines
Deal found 12/9$1,637
This United Airlines deal was found by Cheapflights users on 12/8. 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.
Sun 12/1412:05 pmLHR - SHV
1 stop15h 04mUnited Airlines
Tue 12/165:22 amSHV - LHR
2 stops18h 58mUnited Airlines
Deal found 12/8$4,518

Find flight deals from Heathrow to Louisiana

Keep the following information in mind while searching for Heathrow to Louisiana flight deals. Data was last updated December 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$793
(British Airways)

One-way from

$416
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,162
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. 4% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 9, 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 1/21

6:15 am-10:56 pm

2 stops22h 41m

Baton Rouge Ryan

Sun 1/25

4:38 pm-6:50 am

1 stop32h 12m

$793

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Sun 3/22

9:20 am-6:52 pm

1 stop14h 32m

New Orleans Louis Armstrong

Fri 5/1

7:15 am-6:30 am

1 stop17h 15m

$802

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Wed 2/18

7:30 am-6:42 pm

2 stops17h 12m

New Orleans Louis Armstrong

Mon 2/23

10:35 am-6:40 am

2 stops14h 05m

$822

LondonShreveport

LHR - SHV

LHRSHV

London Heathrow

Thu 1/22

7:30 am-10:11 pm

2 stops20h 41m

Shreveport

Mon 1/26

12:20 pm-12:15 pm

1 stop17h 55m

$824

LondonBaton Rouge

LHR - BTR

LHRBTR

London Heathrow

Thu 1/22

7:30 am-10:56 pm

2 stops21h 26m

Baton Rouge Ryan

Thu 1/29

4:38 pm-12:15 pm

1 stop13h 37m

$825

LondonBaton Rouge

LHR - BTR

LHRBTR

London Heathrow

Thu 1/22

6:40 am-10:01 pm

2 stops21h 21m

Baton Rouge Ryan

Thu 1/29

1:37 pm-5:40 pm

2 stops22h 03m

$844

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Tue 4/21

6:05 pm-9:50 am

2 stops21h 45m

New Orleans Louis Armstrong

Tue 5/12

2:07 pm-8:05 am

1 stop11h 58m

$846

LondonShreveport

LHR - SHV

LHRSHV

London Heathrow

Thu 1/22

6:40 am-10:19 pm

2 stops21h 39m

Shreveport

Mon 1/26

8:30 am-4:00 pm

2 stops25h 30m

$847

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Sat 3/21

9:20 am-6:52 pm

1 stop14h 32m

New Orleans Louis Armstrong

Wed 4/29

12:18 pm-9:30 am

1 stop15h 12m

$850

LondonLafayette

LHR - LFT

LHRLFT

London Heathrow

Thu 2/12

10:35 am-10:59 pm

1 stop18h 24m

Lafayette Regional

Mon 2/16

4:02 pm-12:15 pm

1 stop14h 13m

$850

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 40 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 $593). Flying from London Heathrow Airport to Louisiana in July is currently the most expensive (average of $754). 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 December 9, 2025.

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

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 December 9, 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
7,571 reviews

Comfort

6.7

Overall

6.7

Entertainment

6.4

Food

6.4

Crew

7.6

Boarding

6.9

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
7,571 reviews
British Airways
6.7
Okay
7,571 reviews

Comfort

6.7

Overall

6.7

Entertainment

6.4

Food

6.4

Crew

7.6

Boarding

6.9

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 14h 32m. Fly via British Airways, JetBlue, or United Airlines to get the fastest option. The distance between London Heathrow Airport and Louisiana is about 4617 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 British Airways, which is currently one of the cheapest options available, starting at $585. Finnair flights start at $626 while deals on Lufthansa start at $651 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 (85%), Aer Lingus (85%) or Finnair (85%) as they are the most reliable in getting you off to your destination on time.

  • 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 $593). Flying from London Heathrow Airport to Louisiana in July is currently the most expensive (average of $754). 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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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 December 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$805Average$933FlexibilityNo cancel feeOn-time70%

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