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Cheap flights from London Heathrow Airport to Louisiana from £346

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 14/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MSY
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

£536

One-way from

£346

Popular in

August

Cheapest in

March

Average price

£700

Good round-trip deal

£550 or less

Good one-way deal

£744 or less
JetBlue
  • JetBlue
  • 30/8-7/9
  • 2 total stops
  • 31h 27m total
  • London to Louisiana
Search Deals
14/8
  • 14/8
  • 3 total stops
  • 45h 59m total
  • London to Louisiana
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£51 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
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

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 13 June 2025.

Sat 30/808:25LHR - MSY
1 stop14h 31mJetBlue
Sun 7/910:34MSY - LHR
1 stop16h 56mJetBlue
Deal found 12/6£536
Mon 22/908:20LHR - MSY
1 stop15h 04mBritish Airways
Wed 1/1011:11MSY - LHR
1 stop13h 44mBritish Airways
Deal found 12/6£539
Fri 26/906:40LHR - MSY
2 stops23h 44mMultiple Airlines
Thu 2/1006:00MSY - LHR
3 stops28h 00mMultiple Airlines
Deal found 11/6£546
Mon 22/909:35LHR - MSY
2 stops17h 06mVirgin Atlantic
Wed 1/1013:05MSY - LHR
2 stops14h 10mVirgin Atlantic
Deal found 11/6£553
Sat 8/1107:25LHR - MSY
1 stop32h 42mIcelandair
Sat 13/1215:50MSY - LHR
1 stop32h 05mIcelandair
Deal found 12/6£555
Mon 22/911:45LHR - MSY
2 stops17h 41mDelta
Wed 1/1011:25MSY - LHR
2 stops13h 50mDelta
Deal found 12/6£559
Thu 19/610:30LHR - BTR
1 stop18h 41mBritish Airways
Mon 23/618:26BTR - LHR
1 stop12h 19mBritish Airways
Deal found 12/6£570
Wed 22/1006:40LHR - SHV
2 stops22h 48mScandinavian Airlines
Sat 1/1117:30SHV - LHR
2 stops44h 00mScandinavian Airlines
Deal found 12/6£587
Thu 19/611:45LHR - BTR
2 stops16h 41mDelta
Mon 23/612:27BTR - LHR
2 stops14h 23mDelta
Deal found 12/6£587
Wed 27/816:05LHR - MSY
Nonstop9h 50mIberia
Tue 9/916:13MSY - LHR
1 stop16h 12mIberia
Deal found 12/6£595
Mon 20/1010:30LHR - MSY
1 stop13h 30mAmerican Airlines
Sun 2/1118:59MSY - LHR
1 stop30h 21mAmerican Airlines
Deal found 11/6£606
Sat 1/1113:35LHR - MSY
Nonstop10h 20mFinnair
Sun 9/1114:03MSY - LHR
1 stop34h 17mFinnair
Deal found 12/6£609

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 13 June 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

Sat 30/8

08:25-16:56

1 stop14h 31m

New Orleans Louis Armstrong

Sun 7/9

10:34-09:30

1 stop16h 56m

£536

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Mon 22/9

08:20-17:24

1 stop15h 04m

New Orleans Louis Armstrong

Wed 1/10

11:11-06:55

1 stop13h 44m

£539

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Fri 26/9

06:40-00:24

2 stops23h 44m

New Orleans Louis Armstrong

Thu 2/10

06:00-16:00

3 stops28h 00m

£546

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Mon 22/9

09:35-20:41

2 stops17h 06m

New Orleans Louis Armstrong

Wed 1/10

13:05-09:15

2 stops14h 10m

£553

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Sat 8/11

07:25-10:07

1 stop32h 42m

New Orleans Louis Armstrong

Sat 13/12

15:50-05:55

1 stop32h 05m

£555

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Mon 22/9

11:45-23:26

2 stops17h 41m

New Orleans Louis Armstrong

Wed 1/10

11:25-07:15

2 stops13h 50m

£559

LondonShreveport

LHR - SHV

LHRSHV

London Heathrow

Wed 22/10

06:40-23:28

2 stops22h 48m

Shreveport

Sat 1/11

17:30-18:30

2 stops44h 00m

£587

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Wed 27/8

16:05-19:55

Nonstop9h 50m

New Orleans Louis Armstrong

Tue 9/9

16:13-14:25

1 stop16h 12m

£595

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Mon 20/10

14:40-23:29

2 stops14h 49m

New Orleans Louis Armstrong

Sun 2/11

18:59-07:20

1 stop30h 21m

£606

LondonNew Orleans

LHR - MSY

LHRMSY

London Heathrow

Sat 1/11

13:35-18:55

Nonstop10h 20m

New Orleans Louis Armstrong

Sun 9/11

14:03-06:20

1 stop34h 17m

£609

Flights are sorted by cheapest return flights first.

Deals found on 11/6

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, 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 13 June 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 13 June 2025.
Read through reviews of airlines operating flights from London to Louisiana, such as Delta, Alaska Airlines and KLM. 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
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,946 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
802 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
1,290 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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?

    £556 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 JetBlue and Iberia, with prices starting from £563 and £602, 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 (71%), Aer Lingus (71%) and Finnair (71%).

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

    Looking at all options, your cheapest flight can be booked for £423. While the most popular route (London Heathrow - New Orleans Louis Armstrong) can be booked for £458 on average our data indicates £1,460 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

Browse thousands of different options on Cheapflights for your next trip

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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
Heathrow to LaGuardia flights
London City to John F Kennedy Intl flights
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London City to Newark flights
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Stansted to Newark flights
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Luton to Newark flights
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London City to O'Hare Intl flights
Heathrow to Raleigh flights
Heathrow to Ontario flights
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Gatwick to San Francisco flights
Heathrow to Santa Ana flights
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London City to San Francisco flights
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Heathrow to Philadelphia 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£405Average£520FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
JetBlueCheapest£420Average£603FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£444Average£519FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£451Average£636FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£491Average£696FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£497Average£703FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£499Average£722FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£504Average£645FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£513Average£703FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IberiaCheapest£560Average£719FlexibilityNo cancel feeOn-time77%
Search Iberia 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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