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Cheap flights from London Heathrow Airport to Louisiana from £318

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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MSY
5 Mar — 12 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Louisiana

Enter your travel dates to find the best prices.

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 3 February 2026.

Thu 5/310:00
LHR
-
MSY
1 stop17h 19m
United Airlines
Sat 21/316:08
MSY
-
LHR
1 stop14h 07m
United Airlines
Deal found 2/2£511
Sat 28/208:05
LHR
-
MSY
1 stop14h 31m
JetBlue
Wed 1/410:30
MSY
-
LHR
1 stop14h 00m
JetBlue
Deal found 3/2£511
Thu 5/313:45
LHR
-
MSY
Nonstop10h 10m
British Airways
Thu 19/320:55
MSY
-
LHR
Nonstop8h 40m
British Airways
Deal found 2/2£513
Sun 19/416:00
LHR
-
MSY
Nonstop10h 00m
British Airways
Thu 30/421:50
MSY
-
LHR
Nonstop8h 50m
British Airways
Deal found 2/2£515
Thu 5/307:40
LHR
-
MSY
1 stop13h 47m
United Airlines
Sun 22/310:31
MSY
-
LHR
1 stop18h 09m
United Airlines
Deal found 2/2£519
Sun 19/413:40
LHR
-
MSY
1 stop13h 52m
United Airlines
Sat 25/414:25
MSY
-
LHR
1 stop12h 05m
United Airlines
Deal found 2/2£520
Mon 9/312:20
LHR
-
MSY
1 stop33h 16m
JetBlue
Tue 31/313:21
MSY
-
LHR
1 stop14h 09m
JetBlue
Deal found 3/2£523
Sun 1/313:35
LHR
-
MSY
1 stop15h 03m
United Airlines
Sun 22/311:55
MSY
-
LHR
1 stop14h 35m
United Airlines
Deal found 2/2£528
Thu 5/313:45
LHR
-
MSY
Nonstop10h 10m
British Airways
Sat 21/320:55
MSY
-
LHR
Nonstop8h 40m
British Airways
Deal found 2/2£528
Sat 14/312:20
LHR
-
MSY
1 stop34h 13m
JetBlue
Wed 18/318:32
MSY
-
LHR
1 stop22h 08m
JetBlue
Deal found 2/2£529
Tue 10/309:20
LHR
-
MSY
1 stop13h 43m
JetBlue
Wed 1/410:30
MSY
-
LHR
1 stop14h 00m
JetBlue
Deal found 3/2£530
Sun 19/408:00
LHR
-
MSY
1 stop13h 25m
United Airlines
Sun 26/410:22
MSY
-
LHR
1 stop17h 18m
United Airlines
Deal found 2/2£534

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 3 February 2026.

Round-trip from

£510

One-way from

£318

Popular in

December

Cheapest in

September

Average price

£601

Good round-trip deal

£633 or less

Good one-way deal

£499 or less
JetBlue
  • JetBlue
  • 18/3-25/3
  • 3 total stops
  • 33h 58m total
  • London to Louisiana
Search Deals
7/3
  • 7/3
  • 3 total stops
  • 55h 10m total
  • London to Louisiana
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Louisiana.
Search Deals
Price to beat on a one-way flight from London Heathrow to Louisiana.
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 3 February 2026.
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

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Sat 28/2

08:05-16:36

1 stop14h 31m

New Orleans Louis Armstrong

Thu 2/4

10:30-06:30

1 stop14h 00m

£590

LondonShreveport

LHR - SHV

LHRSHV

London Heathrow

Wed 4/3

08:55-16:53

1 stop13h 58m

Shreveport

Wed 11/3

12:34-06:55

2 stops13h 21m

£596

LondonBaton Rouge

LHR - BTR

LHRBTR

London Heathrow

Mon 2/3

10:45-22:01

1 stop17h 16m

Baton Rouge Ryan

Mon 9/3

13:36-09:20

2 stops14h 44m

£596

LondonMonroe

LHR - MLU

LHRMLU

London Heathrow

Thu 19/3

08:20-22:17

1 stop18h 57m

Monroe Huenefeld

Thu 26/3

10:03-05:50

2 stops14h 47m

£609

LondonMonroe

LHR - MLU

LHRMLU

London Heathrow

Tue 3/3

06:30-16:35

2 stops16h 05m

Monroe Huenefeld

Tue 10/3

13:06-06:55

2 stops12h 49m

£611

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Sat 7/3

06:40-23:14

2 stops22h 34m

New Orleans Louis Armstrong

Tue 17/3

11:31-16:25

3 stops23h 54m

£626

LondonBaton Rouge

LHR - BTR

LHRBTR

London Heathrow

Mon 2/3

06:40-22:01

2 stops21h 21m

Baton Rouge Ryan

Mon 9/3

13:36-18:50

3 stops24h 14m

£627

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Mon 13/4

09:30-09:19

2 stops29h 49m

New Orleans Louis Armstrong

Mon 27/4

12:00-11:35

1 stop17h 35m

£628

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Wed 29/4

09:30-21:32

2 stops18h 02m

New Orleans Louis Armstrong

Mon 11/5

17:21-11:35

1 stop12h 14m

£628

LondonBaton Rouge

LHR - BTR

LHRBTR

London Heathrow

Wed 13/5

06:15-22:00

2 stops21h 45m

Baton Rouge Ryan

Mon 18/5

06:05-07:10

2 stops19h 05m

£628

Flights are sorted by cheapest return flights first.

Deals found on 3/2

Showing 1-10 of 44 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 return 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Louisiana (average of £439). Flying from London Heathrow Airport to Louisiana in July is currently the most expensive (average of £548). 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 3 February 2026.

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.

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 3 February 2026.
See what other customers who have flown with Finnair, Virgin Atlantic, andUnited Airlines from London Heathrow Airport to Louisiana have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,357 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Crew

8.2

Food

6.7

Overall

7.6

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,357 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Crew

8.2

Food

6.7

Overall

7.6

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Virgin Atlantic
7.5
Good
678 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Crew

8.2

Food

6.7

Overall

7.6

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
United Airlines
7.4
Good
9,236 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Crew

8.2

Food

6.7

Overall

7.6

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Iberia
7.0
Good
3,103 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Crew

8.2

Food

6.7

Overall

7.6

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,712 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Crew

8.2

Food

6.7

Overall

7.6

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

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?

    For as low as £596, JetBlue can have you in Louisiana from London Heathrow Airport in 13h 58m. Airlines will cover a distance of 4634 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    £59 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Finnair and LOT, with prices starting from £95 and £109, respectively.

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

    The most popular flight routes from London Heathrow Airport to Louisiana are London Heathrow - New Orleans Louis Armstrong, London Heathrow - Baton Rouge Ryan and London Heathrow - Shreveport.

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

    The top 3 most reliable airlines when flying from London Heathrow Airport to Louisiana are American Airlines (73%), Aer Lingus (73%) and Finnair (73%).

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

    Looking at all options, your cheapest flight can be booked for £433. While the most popular route (London Heathrow - New Orleans Louis Armstrong) can be booked for £366 on average, our data indicates £657 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 holiday 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Louisiana (average of £439). Flying from London Heathrow Airport to Louisiana in July is currently the most expensive (average of £548). 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 10 airlines flying from Heathrow to Louisiana

Discover the top 10 airlines 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 858,174 searches. Data last updated 3 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£403Average£560FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
JetBlueCheapest£413Average£563FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£461Average£554FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
FinnairCheapest£480Average£614FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£481Average£723FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£482Average£681FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£501Average£596FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£503Average£604FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapest£509Average£698FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest£512Average£804FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Louisiana?

Cheapflights helps you search for flights from Heathrow to Louisiana via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Louisiana?

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Louisiana by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Heathrow to Louisiana with no change fees?

Need flexible booking options for your flight to Louisiana from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Louisiana become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Louisiana from Heathrow today and book when prices fit your budget.

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