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Cheap flights from Louisiana to London Heathrow Airport from £200

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 27/9. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LHR
9 Jul — 16 Jul1
1 adult

Cheap flight deals from Louisiana to Heathrow

Keep the following information in mind while searching for Louisiana to Heathrow flight deals. Data was last updated 4 July 2025.

Round-trip from

£403

One-way from

£200

Popular in

June

Cheapest in

October

Average price

£786

Good one-way deal

£387 or less
Virgin Atlantic
  • Virgin Atlantic
  • 17/8-24/8
  • 3 total stops
  • 30h 00m total
  • Louisiana to London
Search Deals
27/9
  • 27/9
  • 2 total stops
  • 14h 25m total
  • Louisiana to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£123 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 July 2025
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Price to beat on a one-way flight from Louisiana to London Heathrow.
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Find flight deals from Louisiana to Heathrow

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 4 July 2025.

Sun 17/816:38BTR - LHR
1 stop12h 32mVirgin Atlantic
Sun 24/810:45LHR - BTR
2 stops17h 28mVirgin Atlantic
Deal found 3/7£403
Sun 17/806:00BTR - LHR
2 stops24h 15mMultiple Airlines
Sun 24/810:45LHR - BTR
2 stops17h 28mMultiple Airlines
Deal found 3/7£421
Thu 14/812:50MLU - LHR
1 stop12h 25mDelta
Tue 19/809:00LHR - MLU
2 stops18h 55mDelta
Deal found 2/7£422
Thu 14/806:00BTR - LHR
1 stop18h 45mDelta
Thu 28/806:15LHR - BTR
2 stops21h 58mDelta
Deal found 3/7£422
Sun 17/816:00LFT - LHR
1 stop13h 10mDelta
Sun 24/806:30LHR - LFT
2 stops16h 29mDelta
Deal found 3/7£423
Thu 14/812:50MLU - LHR
1 stop18h 40mKLM
Tue 19/809:20LHR - MLU
1 stop13h 49mKLM
Deal found 2/7£428
Thu 14/816:38BTR - LHR
1 stop14h 52mKLM
Thu 28/809:20LHR - BTR
1 stop13h 47mKLM
Deal found 3/7£429
Sun 17/806:05LFT - LHR
1 stop18h 40mVirgin Atlantic
Sun 24/811:20LHR - LFT
1 stop16h 51mVirgin Atlantic
Deal found 3/7£429
Wed 1/1014:00BTR - LHR
1 stop11h 40mUnited Airlines
Tue 7/1014:10LHR - BTR
2 stops36h 55mUnited Airlines
Deal found 2/7£462
Wed 24/921:50MSY - LHR
Nonstop8h 50mBritish Airways
Fri 3/1016:05LHR - MSY
Nonstop9h 55mBritish Airways
Deal found 3/7£488
Fri 19/911:45MSY - LHR
1 stop18h 05mLufthansa
Wed 24/919:30LHR - MSY
2 stops32h 01mLufthansa
Deal found 4/7£489
Wed 17/914:00LFT - LHR
1 stop11h 40mUnited Airlines
Tue 23/915:50LHR - LFT
2 stops29h 40mUnited Airlines
Deal found 3/7£489

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 4 July 2025.
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 17/8

16:38-11:10

1 stop12h 32m

London Heathrow

Sun 24/8

10:45-22:13

2 stops17h 28m

£403

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Sun 17/8

06:00-12:15

2 stops24h 15m

London Heathrow

Sun 24/8

10:45-22:13

2 stops17h 28m

£421

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Thu 14/8

12:50-07:15

1 stop12h 25m

London Heathrow

Tue 19/8

09:00-21:55

2 stops18h 55m

£422

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Thu 14/8

06:00-06:45

1 stop18h 45m

London Heathrow

Thu 28/8

06:15-22:13

2 stops21h 58m

£422

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Sun 17/8

16:00-11:10

1 stop13h 10m

London Heathrow

Sun 24/8

06:30-16:59

2 stops16h 29m

£423

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Thu 14/8

12:50-13:30

1 stop18h 40m

London Heathrow

Tue 19/8

09:20-17:09

1 stop13h 49m

£428

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Thu 14/8

16:38-13:30

1 stop14h 52m

London Heathrow

Thu 28/8

09:20-17:07

1 stop13h 47m

£429

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Sun 17/8

06:05-06:45

1 stop18h 40m

London Heathrow

Sun 24/8

11:20-22:11

1 stop16h 51m

£429

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Wed 1/10

14:00-07:40

1 stop11h 40m

London Heathrow

Tue 7/10

14:10-21:05

2 stops36h 55m

£462

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 24/9

21:50-12:40

Nonstop8h 50m

London Heathrow

Fri 3/10

16:05-20:00

Nonstop9h 55m

£488

Flights are sorted by cheapest return flights first.

Deals found on 3/7

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, January is the cheapest month in which you can book a flight from Louisiana to London Heathrow Airport (average of £112). Flying from Louisiana to London Heathrow Airport in August is currently the most expensive (average of £164). 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 4 July 2025.

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.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 4 July 2025.
See what other customers who have flown with Delta, KLM, andAustrian Airlines from Louisiana to London Heathrow Airport have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,970 reviews
Check prices

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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
7,970 reviews
Delta
8.0
Very Good
7,970 reviews
Check prices

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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
1,363 reviews
Delta
8.0
Very Good
7,970 reviews
Check prices

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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
807 reviews
Delta
8.0
Very Good
7,970 reviews
Check prices

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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!
United Airlines
7.4
Good
8,845 reviews
Delta
8.0
Very Good
7,970 reviews
Check prices

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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!
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very Good
7,970 reviews
Check prices

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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 Louisiana to Heathrow. 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 Louisiana to London Heathrow Airport one-way?

    One-way options have recently been found by users for as low as £259 on JetBlue. Other airlines that offer cheap prices include United Airlines from £292 and Lufthansa from £308 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 Lafayette Regional - 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 £541, our data indicates the cheapest price to be £274. The most popular route (New Orleans Louis Armstrong - London Heathrow), is priced around £403.

  • 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, January is the cheapest month in which you can book a flight from Louisiana to London Heathrow Airport (average of £112). Flying from Louisiana to London Heathrow Airport in August is currently the most expensive (average of £164). 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 Louisiana?

Book flights to Louisiana if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Northampton
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Hayes
Folkestone
Southend-on-Sea
Watford
Ipswich
Winchester
Swindon
Maidstone

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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Top 3 airlines flying from Louisiana to Heathrow

Discover the top 3 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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£480Average£585FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£511Average£586FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£542Average£919FlexibilityNo 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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