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Cheap flights from Louisiana to London Heathrow Airport from £247

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LHR
10 May — 17 May1
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 April 2026.

Mon 14/910:15
SHV
-
LHR
2 stops26h 15m
Scandinavian Airlines
Mon 21/906:40
LHR
-
SHV
2 stops22h 49m
Scandinavian Airlines
Deal found 6/4£600
Sun 18/1010:15
SHV
-
LHR
2 stops29h 25m
Scandinavian Airlines
Fri 23/1006:40
LHR
-
SHV
2 stops22h 56m
Scandinavian Airlines
Deal found 6/4£616
Mon 7/912:45
SHV
-
LHR
2 stops21h 15m
Scandinavian Airlines
Fri 18/919:30
LHR
-
SHV
2 stops33h 59m
Scandinavian Airlines
Deal found 6/4£625
Sun 6/912:45
SHV
-
LHR
2 stops26h 55m
Scandinavian Airlines
Fri 18/919:30
LHR
-
SHV
2 stops33h 59m
Scandinavian Airlines
Deal found 8/4£626
Mon 19/1018:55
MSY
-
LHR
1 stop34h 40m
United Airlines
Thu 22/1009:30
LHR
-
MSY
2 stops17h 45m
United Airlines
Deal found 5/4£628
Thu 15/1010:19
MSY
-
LHR
2 stops26h 31m
Scandinavian Airlines
Tue 20/1006:40
LHR
-
MSY
2 stops20h 02m
Scandinavian Airlines
Deal found 5/4£636
Tue 13/1015:20
BTR
-
LHR
2 stops36h 00m
Scandinavian Airlines
Thu 22/1019:30
LHR
-
BTR
2 stops32h 31m
Scandinavian Airlines
Deal found 5/4£648
Tue 11/811:17
SHV
-
LHR
1 stop14h 38m
United Airlines
Fri 21/807:25
LHR
-
SHV
2 stops18h 00m
United Airlines
Deal found 6/4£648
Sun 16/812:07
MSY
-
LHR
2 stops18h 33m
Lufthansa
Wed 26/807:25
LHR
-
MSY
2 stops21h 07m
Lufthansa
Deal found 7/4£656
Sun 6/917:45
SHV
-
LHR
1 stop11h 50m
United Airlines
Fri 18/917:40
LHR
-
SHV
2 stops27h 55m
United Airlines
Deal found 6/4£658
Wed 2/910:19
MSY
-
LHR
2 stops26h 11m
Scandinavian Airlines
Sun 20/919:30
LHR
-
MSY
2 stops32h 45m
Scandinavian Airlines
Deal found 6/4£670
Wed 19/821:50
MSY
-
LHR
Nonstop8h 50m
Iberia
Wed 21/1011:30
LHR
-
MSY
2 stops18h 05m
Iberia
Deal found 5/4£677

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 April 2026.

Round-trip from

£600

One-way from

£247

Popular in

May

Cheapest in

October

Average price

£562

Good one-way deal

£593 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 14/9-21/9
  • 4 total stops
  • 49h 04m total
  • Louisiana to London
Search Deals
United Airlines
  • United Airlines
  • 3/8
  • 1 total stop
  • 18h 55m total
  • Louisiana to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£97 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 April 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

12:45-18:30

2 stops23h 45m

London Heathrow

Mon 21/9

06:40-23:29

2 stops22h 49m

£601

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Mon 7/9

17:45-11:35

1 stop11h 50m

London Heathrow

Fri 18/9

14:10-10:36

2 stops26h 26m

£658

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 5/5

12:30-11:55

2 stops17h 25m

London Heathrow

Wed 13/5

06:50-19:44

2 stops18h 54m

£684

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 18/8

09:57-06:20

2 stops14h 23m

London Heathrow

Wed 21/10

08:40-18:43

2 stops16h 03m

£687

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Mon 14/9

11:42-09:05

1 stop15h 23m

London Heathrow

Mon 21/9

11:00-22:43

1 stop17h 43m

£705

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Wed 6/5

18:30-12:10

1 stop11h 40m

London Heathrow

Wed 13/5

11:30-10:03

2 stops28h 33m

£710

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Mon 7/9

10:15-21:40

2 stops29h 25m

London Heathrow

Fri 18/9

06:40-23:29

3 stops22h 49m

£712

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Fri 25/9

14:40-09:40

1 stop13h 00m

London Heathrow

Tue 13/10

06:50-18:54

2 stops18h 04m

£721

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Thu 3/9

14:20-10:40

1 stop14h 20m

London Heathrow

Sun 13/9

08:40-18:45

2 stops16h 05m

£722

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Thu 30/4

13:16-10:20

2 stops15h 04m

London Heathrow

Wed 13/5

06:30-16:04

2 stops15h 34m

£724

Flights are sorted by cheapest return flights first.

Deals found on 5/4

Showing 1-10 of 57 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

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 £82). Flying from Louisiana to London Heathrow Airport in June is currently the most expensive (average of £672). 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 April 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 11h 50m. Fly via Scandinavian Airlines, United Airlines, 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 £43 on British Airways. Other airlines that offer cheap prices include Finnair from £74 and LOT from £80 one-way.

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

    Most travelers choose New Orleans Louis Armstrong - London Heathrow, Shreveport - London Heathrow or Baton Rouge Ryan - 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 (81%), Aer Lingus (81%) or Finnair (81%) 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 £644, our data indicates the cheapest price to be £246. The most popular route (New Orleans Louis Armstrong - London Heathrow), is priced around £683.

  • 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 £82). Flying from Louisiana to London Heathrow Airport in June is currently the most expensive (average of £672). 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
Wembley
Croydon
Northampton
Hounslow
Gatwick
Luton
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Chelmsford
Ipswich
Southend-on-Sea

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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Boston to Stansted flights
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O'Hare Intl to Gatwick flights
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O'Hare Intl to Stansted flights
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Philadelphia to Heathrow flights
O'Hare Intl to London City flights
Los Angeles to London City flights
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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 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£476Average£714FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£521Average£633FlexibilityNo 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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