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Cheap flights from London Heathrow Airport to Louisiana from £325

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MSY
31 Mar — 7 Apr1
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 26 March 2025.

Round-trip from

£546

One-way from

£325

Popular in

August

Cheapest in

January

Average price

£623

Good round-trip deal

£671 or less

Good one-way deal

£775 or less
United Airlines
  • United Airlines
  • 10/4-16/4
  • 3 total stops
  • 42h 54m total
  • London to Louisiana
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14/6
  • 14/6
  • 3 total stops
  • 45h 30m total
  • London to Louisiana
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£53 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 26 March 2025.

Tue 1/414:10LHR - MSY
2 stops24h 44mUnited Airlines
Tue 22/419:26MSY - LHR
2 stops32h 14mUnited Airlines
Deal found 25/3£546
Fri 5/1208:25LHR - MSY
1 stop33h 00mIcelandair
Thu 11/1212:00MSY - LHR
1 stop11h 55mIcelandair
Deal found 26/3£547
Fri 2/509:55LHR - MSY
1 stop25h 32mMultiple Airlines
Fri 9/513:35MSY - LHR
1 stop19h 00mMultiple Airlines
Deal found 26/3£548
Fri 5/1211:10LHR - MSY
2 stops27h 45mAir Canada
Thu 11/1208:00MSY - LHR
2 stops17h 10mAir Canada
Deal found 25/3£560
Thu 24/413:40LHR - MSY
1 stop13h 44mLufthansa
Thu 1/517:30MSY - LHR
1 stop11h 10mLufthansa
Deal found 25/3£569
Fri 9/509:30LHR - MSY
1 stop20h 29mAustrian Airlines
Fri 16/509:57MSY - LHR
1 stop15h 18mAustrian Airlines
Deal found 25/3£586
Mon 22/913:40LHR - MSY
1 stop15h 57mIberia
Wed 1/1021:50MSY - LHR
Nonstop8h 50mIberia
Deal found 26/3£605
Wed 11/608:15LHR - MSY
1 stop14h 44mJetBlue
Wed 25/612:16MSY - LHR
1 stop15h 14mJetBlue
Deal found 24/3£613
Thu 24/416:05LHR - MSY
Nonstop9h 55mBritish Airways
Thu 1/515:47MSY - LHR
1 stop11h 38mBritish Airways
Deal found 25/3£619
Fri 9/506:30LHR - SHV
2 stops16h 05mDelta
Fri 16/512:41SHV - LHR
2 stops15h 19mDelta
Deal found 25/3£621
Fri 9/508:40LHR - BTR
2 stops19h 29mDelta
Sun 11/515:30BTR - LHR
2 stops15h 05mDelta
Deal found 25/3£621
Tue 6/512:25LHR - MSY
2 stops17h 08mVirgin Atlantic
Mon 19/519:45MSY - LHR
1 stop18h 15mVirgin Atlantic
Deal found 24/3£638

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 26 March 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

Thu 10/4

16:40-08:54

2 stops22h 14m

New Orleans Louis Armstrong

Wed 16/4

05:00-07:40

1 stop20h 40m

£546

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Fri 2/5

09:55-05:27

1 stop25h 32m

New Orleans Louis Armstrong

Fri 9/5

13:35-14:35

1 stop19h 00m

£548

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Wed 3/9

08:25-10:22

1 stop31h 57m

New Orleans Louis Armstrong

Sun 7/9

19:45-06:30

1 stop28h 45m

£567

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Thu 24/4

09:30-14:33

2 stops35h 03m

New Orleans Louis Armstrong

Wed 7/5

11:50-10:00

2 stops16h 10m

£568

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Thu 24/4

13:40-21:24

1 stop13h 44m

New Orleans Louis Armstrong

Thu 1/5

17:30-10:40

1 stop11h 10m

£569

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Fri 9/5

16:40-19:38

1 stop32h 58m

New Orleans Louis Armstrong

Fri 16/5

09:57-07:15

1 stop15h 18m

£586

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Mon 22/9

13:40-23:37

1 stop15h 57m

New Orleans Louis Armstrong

Wed 1/10

21:50-12:40

Nonstop8h 50m

£605

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Wed 11/6

08:15-16:59

1 stop14h 44m

New Orleans Louis Armstrong

Wed 25/6

12:16-09:30

1 stop15h 14m

£613

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Thu 24/4

16:05-20:00

Nonstop9h 55m

New Orleans Louis Armstrong

Thu 1/5

15:47-09:25

1 stop11h 38m

£619

LondonShreveport

LHR - SHV

LHRSHV

London Heathrow

Fri 9/5

06:30-16:35

2 stops16h 05m

Shreveport

Fri 16/5

12:41-10:00

2 stops15h 19m

£621

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 39 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 26 March 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.

Rainfall in Louisiana by month

Plan your trip to Louisiana by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Louisiana ranges from 83.0 - 163.0 inches per month. June is typically the wettest month, when rainfall can reach 163.0 mm. October is typically the driest time to visit Louisiana when rainfall is around 83.0 mm.

Temperature in Louisiana by month

Plan your trip to Louisiana by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Louisiana, 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 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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 26 March 2025.
Read through reviews of airlines operating flights from London to Louisiana, such as Delta, Finnair and Austrian Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,891 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,891 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,266 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.5
Good
769 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aeromexico
7.5
Good
1,701 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,608 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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?

    £533 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on JetBlue and TAP AIR PORTUGAL, with prices starting from £568 and £625, 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 Aer Lingus (65%), Finnair (65%) and Iberia (65%).

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

    Looking at all options, your cheapest flight can be booked for £592. While the most popular route (London Heathrow - New Orleans Louis Armstrong) can be booked for £402 on average our data indicates £1,451 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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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 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£441Average£620FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£467Average£528FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£474Average£670FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£492Average£689FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£515Average£750FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£521Average£722FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£524Average£602FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£554Average£705FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
American AirlinesCheapest£555Average£851FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapest£588Average£755FlexibilityNo cancel feeOn-time77%
Search Iberia 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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