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Cheap flights from London Heathrow Airport to Louisiana from £312

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MSY
9 Jul — 16 Jul1
1 adult

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 4 July 2025.

Round-trip from

£493

One-way from

£312

Popular in

August

Cheapest in

March

Average price

£763

Good round-trip deal

£568 or less

Good one-way deal

£699 or less
JetBlue
  • JetBlue
  • 4/11-12/11
  • 2 total stops
  • 27h 24m total
  • London to Louisiana
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27/8
  • 27/8
  • 3 total stops
  • 42h 50m total
  • London to Louisiana
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£46 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 July 2025
Search Deals
Price to beat on a round-trip flight from London Heathrow to Louisiana.
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Price to beat on a one-way flight from London Heathrow to Louisiana.
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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 4 July 2025.

Tue 4/1108:30LHR - MSY
1 stop16h 29mJetBlue
Wed 12/1113:00MSY - LHR
1 stop10h 55mJetBlue
Deal found 3/7£493
Sat 1/1112:20LHR - MSY
1 stop36h 39mIcelandair
Sun 9/1106:38MSY - LHR
1 stop32h 07mIcelandair
Deal found 3/7£501
Mon 1/909:55LHR - MLU
2 stops18h 00mDelta
Mon 15/906:10MLU - LHR
2 stops20h 40mDelta
Deal found 2/7£512
Sat 4/1014:20LHR - MSY
2 stops34h 58mMultiple Airlines
Sat 11/1007:53MSY - LHR
3 stops26h 32mMultiple Airlines
Deal found 2/7£529
Tue 4/1106:50LHR - MSY
2 stops18h 48mBrussels Airlines
Wed 12/1110:38MSY - LHR
1 stop13h 17mBrussels Airlines
Deal found 3/7£557
Tue 4/1106:30LHR - MSY
2 stops16h 47mUnited Airlines
Sat 8/1114:14MSY - LHR
2 stops14h 51mUnited Airlines
Deal found 3/7£566
Mon 22/906:00LHR - MSY
2 stops19h 13mAustrian Airlines
Wed 1/1010:01MSY - LHR
1 stop14h 44mAustrian Airlines
Deal found 3/7£571
Wed 3/907:30LHR - MSY
2 stops17h 22mLufthansa
Sat 13/909:35MSY - LHR
1 stop15h 40mLufthansa
Deal found 1/7£574
Wed 20/816:05LHR - MSY
Nonstop9h 50mBritish Airways
Tue 9/1219:45MSY - LHR
Nonstop8h 50mBritish Airways
Deal found 2/7£575
Mon 18/808:20LHR - BTR
1 stop13h 33mBritish Airways
Mon 25/816:25BTR - LHR
1 stop12h 25mBritish Airways
Deal found 3/7£588
Mon 18/808:40LHR - BTR
2 stops19h 33mDelta
Mon 25/806:00BTR - LHR
1 stop18h 45mDelta
Deal found 3/7£591
Sun 17/808:20LHR - SHV
1 stop15h 29mBritish Airways
Sun 24/818:19SHV - LHR
1 stop30h 06mBritish Airways
Deal found 2/7£626

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 4 July 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

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Tue 4/11

08:30-18:59

1 stop16h 29m

New Orleans Louis Armstrong

Wed 12/11

13:00-05:55

1 stop10h 55m

£493

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Sat 1/11

12:20-19:59

1 stop36h 39m

New Orleans Louis Armstrong

Sun 9/11

06:38-20:45

1 stop32h 07m

£501

LondonMonroe

LHR - MLU

LHRMLU

London Heathrow

Mon 1/9

09:55-21:55

2 stops18h 00m

Monroe Huenefeld

Mon 15/9

06:10-08:50

2 stops20h 40m

£512

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Sat 4/10

14:20-19:18

2 stops34h 58m

New Orleans Louis Armstrong

Sat 11/10

07:53-16:25

3 stops26h 32m

£529

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Tue 4/11

06:50-19:38

2 stops18h 48m

New Orleans Louis Armstrong

Wed 12/11

10:38-05:55

1 stop13h 17m

£557

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Tue 4/11

06:30-17:17

2 stops16h 47m

New Orleans Louis Armstrong

Sat 8/11

14:14-11:05

2 stops14h 51m

£566

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Mon 22/9

06:00-19:13

2 stops19h 13m

New Orleans Louis Armstrong

Wed 1/10

10:01-06:45

1 stop14h 44m

£571

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Wed 3/9

06:30-18:52

2 stops18h 22m

New Orleans Louis Armstrong

Sun 14/9

09:40-06:20

1 stop14h 40m

£574

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Wed 20/8

16:05-19:55

Nonstop9h 50m

New Orleans Louis Armstrong

Tue 9/12

19:45-10:35

Nonstop8h 50m

£575

LondonBaton Rouge

LHR - BTR

LHRBTR

London Heathrow

Mon 18/8

08:20-15:53

1 stop13h 33m

Baton Rouge Ryan

Mon 25/8

16:25-10:50

1 stop12h 25m

£588

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 35 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Louisiana (average of £724). Flying from London Heathrow Airport to Louisiana in July is currently the most expensive (average of £1,029). 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 4 July 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 for a return flight 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 4 July 2025.
See what other customers who have flown with Delta, Alaska Airlines, andAustrian 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.
Delta
8.0
Very Good
7,982 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,982 reviews
Delta
8.0
Very Good
7,982 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Alaska Airlines
8.0
Very Good
10,000 reviews
Delta
8.0
Very Good
7,982 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
809 reviews
Delta
8.0
Very Good
7,982 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,304 reviews
Delta
8.0
Very Good
7,982 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,844 reviews
Delta
8.0
Very Good
7,982 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    £550 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on British Airways and Austrian Airlines, with prices starting from £574 and £589, 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 - Shreveport and London Heathrow - Monroe Huenefeld.

  • 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 (70%), Aer Lingus (70%) and Finnair (70%).

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

    Looking at all options, your cheapest flight can be booked for £422. While the most popular route (London Heathrow - New Orleans Louis Armstrong) can be booked for £422 on average our data indicates £1,077 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Louisiana (average of £724). Flying from London Heathrow Airport to Louisiana in July is currently the most expensive (average of £1,029). 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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London City to San Francisco flights
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London City to Atlanta flights
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Heathrow to Austin flights
Heathrow to Midway flights
Gatwick to O'Hare Intl flights
Gatwick to Las Vegas flights
London City to O'Hare Intl flights
Heathrow to Ontario flights

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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£403Average£520FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
JetBlueCheapest£418Average£609FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£442Average£513FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£449Average£619FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£488Average£711FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£492Average£721FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£493Average£607FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£502Average£633FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£557Average£714FlexibilityNo cancel feeOn-time77%
Search Iberia flights
American AirlinesCheapest£596Average£807FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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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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