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Cheap flights from Louisiana to London Heathrow Airport from £229

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 24/2. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LHR
11 Mar — 18 Mar1
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 9 February 2026.

Sun 8/316:00
BTR
-
LHR
1 stop14h 40m
KLM
Tue 24/310:00
LHR
-
BTR
2 stops28h 45m
KLM
Deal found 7/2£458
Wed 11/306:07
BTR
-
LHR
2 stops19h 48m
Delta
Wed 18/306:30
LHR
-
BTR
2 stops20h 33m
Delta
Deal found 9/2£468
Wed 11/314:00
BTR
-
LHR
1 stop12h 30m
United Airlines
Wed 18/309:30
LHR
-
BTR
2 stops18h 15m
United Airlines
Deal found 9/2£472
Tue 24/206:00
MSY
-
LHR
1 stop18h 55m
JetBlue
Tue 10/307:25
LHR
-
MSY
1 stop14h 11m
JetBlue
Deal found 6/2£476
Wed 1/406:00
SHV
-
LHR
1 stop18h 45m
Delta
Wed 8/409:55
LHR
-
SHV
2 stops18h 49m
Delta
Deal found 9/2£476
Wed 29/414:00
BTR
-
LHR
1 stop15h 35m
United Airlines
Wed 6/507:25
LHR
-
BTR
2 stops19h 56m
United Airlines
Deal found 9/2£476
Tue 10/309:17
MSY
-
LHR
2 stops20h 33m
Multiple Airlines
Tue 17/312:15
LHR
-
MSY
2 stops16h 08m
Multiple Airlines
Deal found 8/2£481
Sun 8/316:00
BTR
-
LHR
2 stops38h 25m
Virgin Atlantic
Tue 24/310:10
LHR
-
BTR
2 stops16h 53m
Virgin Atlantic
Deal found 7/2£481
Tue 24/206:00
MSY
-
LHR
1 stop18h 55m
JetBlue
Wed 4/307:25
LHR
-
MSY
1 stop15h 11m
JetBlue
Deal found 8/2£484
Mon 14/910:26
SHV
-
LHR
1 stop21h 59m
British Airways
Mon 21/919:25
LHR
-
SHV
2 stops32h 29m
British Airways
Deal found 7/2£488
Wed 11/317:31
MSY
-
LHR
1 stop10h 59m
JetBlue
Tue 17/309:20
LHR
-
MSY
1 stop29h 35m
JetBlue
Deal found 8/2£488
Fri 13/218:46
MSY
-
LHR
1 stop30h 09m
JetBlue
Thu 26/207:25
LHR
-
MSY
1 stop15h 11m
JetBlue
Deal found 6/2£489

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 9 February 2026.

Round-trip from

£458

One-way from

£229

Popular in

June

Cheapest in

October

Average price

£597

Good one-way deal

£288 or less
KLM
  • KLM
  • 8/3-24/3
  • 3 total stops
  • 43h 25m total
  • Louisiana to London
Search Deals
24/2
  • 24/2
  • 3 total stops
  • 33h 58m total
  • Louisiana to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£118 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 9 February 2026.
Use the filters below to find and compare flights from Louisiana to London Heathrow Airport that are best for you.

Fly from

Louisiana

Fly to

Heathrow

Route

Depart

Return

Price

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Sun 8/3

16:00-11:40

1 stop14h 40m

London Heathrow

Tue 24/3

10:00-09:45

2 stops28h 45m

£458

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Wed 11/3

06:07-06:55

2 stops19h 48m

London Heathrow

Wed 18/3

06:30-22:03

2 stops20h 33m

£468

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Wed 11/3

14:00-07:30

1 stop12h 30m

London Heathrow

Wed 18/3

09:30-22:45

2 stops18h 15m

£472

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Wed 1/4

06:00-06:45

1 stop18h 45m

London Heathrow

Wed 8/4

11:45-22:44

2 stops16h 59m

£476

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Wed 29/4

16:08-11:35

1 stop13h 27m

London Heathrow

Wed 6/5

07:25-22:45

2 stops21h 20m

£476

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Sun 8/3

16:00-11:25

2 stops38h 25m

London Heathrow

Tue 24/3

10:10-22:03

2 stops16h 53m

£481

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Tue 24/3

07:00-07:30

1 stop19h 30m

London Heathrow

Tue 31/3

07:25-21:25

2 stops20h 00m

£489

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Wed 1/4

18:26-14:25

1 stop13h 59m

London Heathrow

Wed 8/4

10:05-18:00

1 stop13h 55m

£495

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Wed 29/4

16:00-13:15

1 stop15h 15m

London Heathrow

Wed 6/5

11:15-18:26

1 stop13h 11m

£497

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Mon 23/3

05:20-10:15

1 stop23h 55m

London Heathrow

Mon 30/3

16:25-21:25

2 stops35h 00m

£498

Flights are sorted by cheapest return flights first.

Deals found on 6/2

Showing 1-10 of 48 results
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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

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

Currently, October is the cheapest month in which you can book a flight from Louisiana to London Heathrow Airport (average of £81). Flying from Louisiana to London Heathrow Airport in June is currently the most expensive (average of £646). 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 9 February 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.

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 12h 30m. Fly via KLM, Delta, or United Airlines to get the fastest option. Louisiana and London Heathrow Airport are separated by a distance of 4625 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 £41 on British Airways. Other airlines that offer cheap prices include Finnair from £73 and LOT from £79 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 (77%), Aer Lingus (77%) or Finnair (77%) 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 £350, our data indicates the cheapest price to be £275. The most popular route (New Orleans Louis Armstrong - London Heathrow), is priced around £481.

  • 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, October is the cheapest month in which you can book a flight from Louisiana to London Heathrow Airport (average of £81). Flying from Louisiana to London Heathrow Airport in June is currently the most expensive (average of £646). 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
Croydon
Luton
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Ipswich
Swindon

Browse thousands of different options on Cheapflights for your next trip

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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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Los Angeles to Stansted flights
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O'Hare Intl to London City flights
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Los Angeles to London City flights

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 9 February 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£423Average£585FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£469Average£703FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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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