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Cheap flights from Louisiana to London Heathrow Airport from £243

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LHR
9 Jun — 16 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Louisiana to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Louisiana to Heathrow
Explore the most affordable flight options available from Louisiana to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 May 2026.

Mon 16/1110:35
MSY
-
LHR
1 stop19h 25m
United Airlines
Wed 18/1111:05
LHR
-
MSY
2 stops37h 49m
United Airlines
Deal found 6/5£540
Mon 14/912:45
SHV
-
LHR
2 stops21h 15m
Scandinavian Airlines
Mon 21/906:40
LHR
-
SHV
2 stops22h 49m
Scandinavian Airlines
Deal found 7/5£610
Sun 6/910:19
MSY
-
LHR
2 stops17h 16m
Scandinavian Airlines
Thu 10/906:40
LHR
-
MSY
2 stops19h 59m
Scandinavian Airlines
Deal found 7/5£631
Fri 13/1112:45
SHV
-
LHR
2 stops23h 45m
Scandinavian Airlines
Sat 21/1117:00
LHR
-
SHV
2 stops36h 36m
Scandinavian Airlines
Deal found 9/5£631
Sun 6/915:25
MSY
-
LHR
2 stops20h 15m
Scandinavian Airlines
Fri 11/906:40
LHR
-
MSY
2 stops19h 59m
Scandinavian Airlines
Deal found 6/5£643
Wed 21/1011:16
MSY
-
LHR
1 stop13h 04m
Multiple Airlines
Wed 28/1009:20
LHR
-
MSY
1 stop13h 57m
Multiple Airlines
Deal found 6/5£645
Wed 26/810:20
MSY
-
LHR
2 stops23h 40m
Scandinavian Airlines
Fri 4/919:30
LHR
-
MSY
2 stops31h 09m
Scandinavian Airlines
Deal found 6/5£647
Wed 4/1116:30
MSY
-
LHR
3 stops17h 55m
Scandinavian Airlines
Wed 11/1106:40
LHR
-
MSY
2 stops22h 47m
Scandinavian Airlines
Deal found 6/5£650
Wed 11/1116:30
MSY
-
LHR
3 stops17h 55m
Scandinavian Airlines
Sun 15/1106:40
LHR
-
MSY
2 stops21h 39m
Scandinavian Airlines
Deal found 9/5£651
Sun 13/921:50
MSY
-
LHR
Nonstop8h 50m
Iberia
Wed 23/906:30
LHR
-
MSY
2 stops20h 28m
Iberia
Deal found 6/5£661
Mon 14/914:15
SHV
-
LHR
1 stop18h 10m
British Airways
Mon 21/918:10
LHR
-
SHV
2 stops29h 56m
British Airways
Deal found 7/5£674
Sun 16/814:27
BTR
-
LHR
1 stop12h 33m
British Airways
Thu 27/808:55
LHR
-
BTR
1 stop14h 47m
British Airways
Deal found 6/5£682

Find flight deals from Louisiana to Heathrow

Keep the following information in mind while searching for Louisiana to Heathrow flight deals. Data was last updated 10 May 2026.

Round-trip from

£610

One-way from

£243

Popular in

May

Cheapest in

October

Average price

£929

Good one-way deal

£260 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 14/9-21/9
  • 4 total stops
  • 44h 04m total
  • Louisiana to London
Search Deals
British Airways
  • British Airways
  • 1/11
  • 1 total stop
  • 11h 35m total
  • Louisiana to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£107 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a one-way flight from Louisiana to London Heathrow.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Louisiana to Heathrow 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 10 May 2026.
Use the filters below to find and compare flights from Louisiana to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Mon 14/9

12:45-16:00

2 stops21h 15m

London Heathrow

Mon 21/9

06:40-23:29

2 stops22h 49m

£610

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Mon 14/9

18:40-14:25

1 stop13h 45m

London Heathrow

Mon 21/9

18:10-20:23

2 stops32h 13m

£675

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 28/10

09:05-06:25

1 stop16h 20m

London Heathrow

Sat 7/11

08:40-20:42

2 stops18h 02m

£701

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 20/10

12:00-07:15

1 stop13h 15m

London Heathrow

Sat 7/11

06:30-18:54

2 stops18h 24m

£701

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sun 23/8

18:59-20:10

1 stop19h 11m

London Heathrow

Sun 30/8

06:30-18:10

2 stops17h 40m

£702

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Mon 28/9

14:00-07:45

1 stop11h 45m

London Heathrow

Fri 2/10

10:00-21:06

1 stop17h 06m

£731

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Fri 18/9

09:57-06:25

1 stop14h 28m

London Heathrow

Sat 3/10

06:30-18:45

2 stops18h 15m

£739

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 23/9

10:19-18:30

2 stops26h 11m

London Heathrow

Wed 30/9

21:05-20:39

3 stops29h 34m

£741

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Fri 23/10

12:00-11:20

1 stop17h 20m

London Heathrow

Sat 31/10

06:20-18:54

2 stops17h 34m

£744

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Wed 21/10

09:35-08:20

2 stops16h 45m

London Heathrow

Mon 26/10

07:30-22:56

2 stops20h 26m

£758

Flights are sorted by cheapest return flights first.

Deals found on 9/5

Showing 1-10 of 51 resultsSorted by cheapest first
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Best time to book a flight from Louisiana to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Louisiana 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 Louisiana to London Heathrow Airport

How far ahead should I book a flight from Louisiana to London Heathrow Airport?

To ensure you get the cheapest price possible for a flight from Louisiana to London Heathrow Airport, you should look to book at least 87 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Louisiana to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Louisiana to London Heathrow Airport (average of £37). Flying from Louisiana to London Heathrow Airport in January is currently the most expensive (average of £549). 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 LA to LHR?

Find hourly flight availability from Louisiana to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 May 2026.

When flying from Louisiana to London Heathrow Airport, 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 Louisiana to London Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from Louisiana to Heathrow. 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 Louisiana to London Heathrow Airport?

    There are many flights that can get you from Louisiana to London Heathrow Airport in 13h 45m. Fly via Scandinavian Airlines, British Airways, or Delta to get the fastest option. Louisiana and London Heathrow Airport are separated by a distance of 4634 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as £212 on JetBlue. Other airlines that offer cheap prices include Virgin Atlantic from £248 and British Airways from £287 one-way.

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

    Most travelers choose New Orleans Louis Armstrong - London Heathrow, Baton Rouge Ryan - London Heathrow or Shreveport - London Heathrow when deciding on the best route from Louisiana to London Heathrow Airport.

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

    No one likes to see their flight delayed. When booking a flight from Louisiana to London Heathrow Airport consider choosing American Airlines (80%), Aer Lingus (80%) or Finnair (80%) as they are the most reliable in getting you off to your destination on time.

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

    Looking for the cheapest flight from Louisiana to London Heathrow Airport? While on average our users pay £448, our data indicates the cheapest price to be £231. The most popular route (New Orleans Louis Armstrong - London Heathrow), is priced around £631.

  • Can I find deals for flights from Louisiana to Heathrow that include hotel bookings?

    Yes. In addition to deals on Louisiana to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Louisiana to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisiana to Heathrow.

  • Can I find deals for business class flights from Louisiana to Heathrow?

    Yes. Cheapflights offers flight deals from Louisiana to Heathrow 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 Louisiana to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Louisiana to London Heathrow Airport (average of £37). Flying from Louisiana to London Heathrow Airport in January is currently the most expensive (average of £549). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Hounslow
Croydon
Wembley
Northampton
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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Alternative routes for Louisiana to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Louisiana to Heathrow

Discover the top 2 airlines that operate flights from Louisiana to Heathrow. 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 10 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£469Average£702FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£513Average£623FlexibilityNo cancel feeOn-time69%
Search United 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 Louisiana to Heathrow?

When you search for this flight from Louisiana to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Louisiana to Heathrow for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from Louisiana to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

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

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