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Cheap flights from Louisiana to London Heathrow Airport from £215

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LHR
3 Apr — 10 Apr1
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 29 March 2025.

Round-trip from

£520

One-way from

£215

Popular in

June

Cheapest in

October

Average price

£630

Good round-trip deal

£873 or less

Good one-way deal

£357 or less
JetBlue
  • JetBlue
  • 8/4-5/9
  • 2 total stops
  • 33h 18m total
  • Louisiana to London
Search Deals
29/4
  • 29/4
  • 2 total stops
  • 29h 23m total
  • Louisiana to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£123 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from Louisiana to London Heathrow.
Search Deals
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 29 March 2025.

Wed 2/411:55MSY - LHR
1 stop12h 35mJetBlue
Tue 15/408:25LHR - MSY
1 stop20h 06mJetBlue
Deal found 28/3£497
Mon 1/912:45SHV - LHR
2 stops26h 55mScandinavian Airlines
Mon 15/906:40LHR - SHV
2 stops22h 42mScandinavian Airlines
Deal found 28/3£527
Sun 28/921:50MSY - LHR
Nonstop8h 50mIberia
Thu 9/1016:05LHR - MSY
Nonstop9h 55mIberia
Deal found 28/3£535
Thu 1/508:57MSY - LHR
2 stops20h 58mMultiple Airlines
Wed 7/513:05LHR - MSY
3 stops31h 53mMultiple Airlines
Deal found 27/3£537
Sun 28/912:17MSY - LHR
1 stop12h 08mBritish Airways
Thu 9/1016:05LHR - MSY
Nonstop9h 55mBritish Airways
Deal found 28/3£539
Wed 22/1014:06MSY - LHR
1 stop12h 54mFinnair
Wed 29/1016:15LHR - MSY
2 stops32h 44mFinnair
Deal found 28/3£540
Sat 26/417:41MSY - LHR
1 stop31h 04mAir France
Fri 9/506:15LHR - MSY
2 stops16h 09mAir France
Deal found 29/3£557
Wed 23/415:40MSY - LHR
1 stop15h 50mDelta
Wed 30/409:55LHR - MSY
2 stops19h 38mDelta
Deal found 28/3£558
Wed 23/408:00MSY - LHR
2 stops20h 00mUnited Airlines
Wed 30/407:45LHR - MSY
2 stops16h 07mUnited Airlines
Deal found 28/3£561
Sun 28/911:50MSY - LHR
2 stops40h 10mAir Canada
Thu 9/1008:30LHR - MSY
1 stop32h 27mAir Canada
Deal found 28/3£568
Wed 23/417:40MSY - LHR
1 stop11h 30mKLM
Wed 30/413:05LHR - MSY
1 stop13h 37mKLM
Deal found 28/3£569
Fri 18/412:59MSY - LHR
1 stop11h 46mVirgin Atlantic
Thu 1/513:05LHR - MSY
1 stop14h 44mVirgin Atlantic
Deal found 28/3£580

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 29 March 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

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 8/4

10:30-09:30

1 stop17h 00m

London Heathrow

Fri 5/9

08:25-18:43

1 stop16h 18m

£520

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Mon 1/9

12:45-21:40

2 stops26h 55m

London Heathrow

Mon 15/9

06:40-23:22

2 stops22h 42m

£527

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Thu 1/5

08:57-11:55

2 stops20h 58m

London Heathrow

Wed 7/5

13:05-14:58

3 stops31h 53m

£537

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 7/5

21:50-12:40

Nonstop8h 50m

London Heathrow

Wed 21/5

16:05-20:00

Nonstop9h 55m

£541

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 7/5

19:39-14:25

1 stop12h 46m

London Heathrow

Wed 21/5

16:05-20:00

Nonstop9h 55m

£545

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sat 26/4

17:41-06:45

1 stop31h 04m

London Heathrow

Fri 9/5

06:15-16:24

2 stops16h 09m

£557

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 23/4

06:30-06:45

1 stop18h 15m

London Heathrow

Thu 8/5

06:30-15:23

2 stops14h 53m

£558

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 23/4

08:00-10:00

2 stops20h 00m

London Heathrow

Wed 30/4

07:45-17:52

2 stops16h 07m

£561

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 23/4

17:40-11:10

1 stop11h 30m

London Heathrow

Wed 30/4

13:05-20:42

1 stop13h 37m

£569

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Tue 13/5

18:23-14:25

1 stop14h 02m

London Heathrow

Tue 20/5

07:50-20:47

2 stops18h 57m

£579

Flights are sorted by cheapest return flights first.

Deals found on 28/3

Showing 1-10 of 53 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 29 March 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 29 March 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Louisiana to London by reading reviews from past customers. 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
7,895 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,895 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,424 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,609 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 £266 on JetBlue. Other airlines that offer cheap prices include Aer Lingus from £341 and British Airways from £348 one-way.

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

    Most travelers choose New Orleans Louis Armstrong - London Heathrow, Lafayette Regional - 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 (56%), Aer Lingus (56%) or Finnair (56%) 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 £781, our data indicates the cheapest price to be £353. The most popular route (New Orleans Louis Armstrong - London Heathrow), is priced around £497.

  • 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
Deal
Milton Keynes
Gatwick
Croydon
Luton
Slough
Eastbourne
Wembley
Northampton
Swindon
Hayes
Ilford
Crawley
Southend-on-Sea
Winchester
Maidstone
Ipswich
Watford
Southall

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 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 29 March 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£506Average£690FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£539Average£618FlexibilityNo 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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