How long does it take to fly to London Heathrow Airport?

If you’re flying from a popular airport in Louisiana, such as New Orleans or Baton Rouge, and flying into London Heathrow Airport, then you can expect flight times to average 8h 40m and 11h 38m, respectively.

What is the cheapest airline that flies from Louisiana to London Heathrow?

United Airlines, British Airways, and JetBlue are the most popular carriers operating from Louisiana to London Heathrow

How many flights depart from Louisiana to London Heathrow Airport on average per week?

As of April 2026, there are 19 flights per week flying from Louisiana to London Heathrow Airport. The most common day of the week flights depart is Wed, with 26% of flights taking off on this day.

How many flights depart from Louisiana to London Heathrow Airport on average per day?

As of April 2026, there are 2 flights per day flying from Louisiana to London Heathrow Airport. The most common time of day flights depart is 21:00, with 100% of flights taking off in the evening.

How many operators does momondo search for flights from Louisiana to London Heathrow Airport?

As of April 2026, there are 2 operators available to choose from for flights from Louisiana to London Heathrow Airport.

How old do you have to be to fly from Louisiana to London Heathrow Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisiana to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£250 Cheap Flights from Louisiana to London Heathrow Airport in 2026

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Find the cheapest flights from Louisiana to London

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One-way

Last minute

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Cheap return flights

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12:45 - 17:40

SHV

LHR

22h 55m

2 stops

06:40 - 23:29

LHR

SHV

22h 49m

2 stops

£606Scandinavian Airlines

Mon, 14 Sep - Mon, 21 Sep

12:45 - 17:40

SHV

LHR

22h 55m

2 stops

06:40 - 23:29

LHR

SHV

22h 49m

2 stops

£606Scandinavian Airlines

Mon, 14 Sep - Mon, 21 Sep

12:07 - 16:40

MSY

LHR

22h 33m

2 stops

09:00 - 22:32

LHR

MSY

19h 32m

2 stops

£662Lufthansa

Sun, 16 Aug - Wed, 26 Aug

12:07 - 10:40

MSY

LHR

16h 33m

2 stops

10:50 - 22:32

LHR

MSY

17h 42m

2 stops

£663Lufthansa

Sun, 16 Aug - Wed, 26 Aug

09:30 - 07:40

SHV

LHR

16h 10m

1 stop

14:10 - 10:36

LHR

SHV

26h 26m

2 stops

£664United Airlines

Sun, 6 Sep - Fri, 18 Sep

19:10 - 13:15

MSY

LHR

12h 05m

1 stop

11:15 - 18:01

LHR

MSY

12h 46m

1 stop

£673Virgin Atlantic

Wed, 13 May - Wed, 20 May

19:55 - 14:35

MSY

LHR

12h 40m

1 stop

09:20 - 18:04

LHR

MSY

14h 44m

1 stop

£679Virgin Atlantic

Fri, 24 Apr - Thu, 7 May

14:00 - 07:55

BTR

LHR

11h 55m

1 stop

09:30 - 21:21

LHR

BTR

17h 51m

2 stops

£724United Airlines

Tue, 12 May - Tue, 19 May

06:00 - 06:20

LFT

LHR

18h 20m

2 stops

06:15 - 16:33

LHR

LFT

16h 18m

2 stops

£871Delta

Thu, 14 May - Thu, 21 May

06:02 - 07:10

MLU

LHR

19h 08m

2 stops

08:55 - 22:22

LHR

MLU

19h 27m

2 stops

£1,096Delta

Thu, 16 Apr - Sat, 2 May

Virgin Atlantic flights from Louisiana to London Heathrow Airport

Our best Virgin Atlantic deals on Louisiana to London Heathrow Airport flight tickets

Virgin Atlantic

13 May

MSY19:10New Orleans Louis Armstrong

12h 05m

1 stop

LHR13:15London Heathrow

20 May

LHR11:15London Heathrow

12h 46m

1 stop

MSY18:01New Orleans Louis Armstrong

£673

Virgin Atlantic

24 Apr

MSY19:55New Orleans Louis Armstrong

12h 40m

1 stop

LHR14:35London Heathrow

7 May

LHR09:20London Heathrow

14h 44m

1 stop

MSY18:04New Orleans Louis Armstrong

£679

Virgin Atlantic

26 Apr

MSY19:22New Orleans Louis Armstrong

11h 53m

1 stop

LHR13:15London Heathrow

10 May

LHR13:25London Heathrow

12h 48m

1 stop

MSY20:13New Orleans Louis Armstrong

£712

KLM flights from Louisiana to London Heathrow Airport

Our best KLM deals on Louisiana to London Heathrow Airport flight tickets

KLM

13 May

MSY19:10New Orleans Louis Armstrong

12h 05m

1 stop

LHR13:15London Heathrow

20 May

LHR11:45London Heathrow

17h 00m

2 stops

MSY22:45New Orleans Louis Armstrong

£680

KLM

12 May

MSY12:49New Orleans Louis Armstrong

11h 36m

1 stop

LHR06:25London Heathrow

19 May

LHR11:45London Heathrow

17h 00m

2 stops

MSY22:45New Orleans Louis Armstrong

£683

KLM

2 Jun

BTR19:04Baton Rouge Ryan

12h 11m

1 stop

LHR13:15London Heathrow

15 Jun

LHR13:25London Heathrow

14h 30m

1 stop

BTR21:55Baton Rouge Ryan

£1,035

momondo Fare Finder

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

12:45-17:40

2 stops22h 55m

London Heathrow

Mon 21/9

06:40-23:29

2 stops22h 49m

£606

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Mon 14/9

12:45-17:40

2 stops22h 55m

London Heathrow

Mon 21/9

06:40-23:29

2 stops22h 49m

£606

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sun 16/8

12:07-16:40

2 stops22h 33m

London Heathrow

Wed 26/8

09:00-22:32

2 stops19h 32m

£662

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sun 16/8

12:07-10:40

2 stops16h 33m

London Heathrow

Wed 26/8

10:50-22:32

2 stops17h 42m

£663

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Sun 6/9

09:30-07:40

1 stop16h 10m

London Heathrow

Fri 18/9

14:10-10:36

2 stops26h 26m

£664

Fastest return journey

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 13/5

19:10-13:15

1 stop12h 05m

London Heathrow

Wed 20/5

11:15-18:01

1 stop12h 46m

£673

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Fri 24/4

19:55-14:35

1 stop12h 40m

London Heathrow

Thu 7/5

09:20-18:04

1 stop14h 44m

£679

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Tue 12/5

14:00-07:55

1 stop11h 55m

London Heathrow

Tue 19/5

09:30-21:21

2 stops17h 51m

£724

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Thu 14/5

06:00-06:20

2 stops18h 20m

London Heathrow

Thu 21/5

06:15-16:33

2 stops16h 18m

£871

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Thu 16/4

06:02-07:10

2 stops19h 08m

London Heathrow

Sat 2/5

08:55-22:22

2 stops19h 27m

£1,096

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisiana to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to London Heathrow Airport?

In general, September is the cheapest month to fly from Louisiana to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £527. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Louisiana averaging around £569.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Louisiana is on a Friday. momondo users have found tickets for Friday departures for as low as £505. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Thursday is £899.

What is the cheapest Louisiana to London Heathrow flight route?

Fly from New Orleans Louis Armstrong to London Heathrow for the best Louisiana - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Louisiana when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £660 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Louisiana for as low as £532 on momondo.

What cabin class options are available on Louisiana to London Heathrow flights?

There are 3 cabin classes available to choose from on Louisiana to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Louisiana to London Heathrow Airport flights?

No. A direct flight is the cheapest option for a flight between Louisiana to London Heathrow Airport.

Cheap Louisiana to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisiana to London Heathrow Airport

Fastest flight time	8h 40m
Direct flights	Mon, Thu, Fri, Sat and Sun

The fastest flight from Louisiana to London Heathrow Airport takes 8h 40m

Direct flights go from Louisiana to London Heathrow Airport on Monday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..

Search flight deals

Frequently asked questions about flying from Louisiana to London Heathrow Airport

When did momondo last update prices for flights from Louisiana to London Heathrow Airport?
Prices for flights from Louisiana to London Heathrow Airport refresh daily.
How many operators does momondo search for flights from Louisiana to London Heathrow Airport?
As of April 2026, there are 2 operators available to choose from for flights from Louisiana to London Heathrow Airport.
How old do you have to be to fly from Louisiana to London Heathrow Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisiana to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Louisiana to London Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from Louisiana to London Heathrow Airport is Boeing 787-10 Dreamliner, representing 59.40% of all bookings. The subsequent popular models are Boeing 787-8 Dreamliner at 34.01%, Boeing 787-9 Dreamliner at 3.45%, and Boeing 777 at 2.19%.

Best airlines flying from Louisiana to London Heathrow Airport

Compare and see reviews for airlines that fly from Louisiana to London Heathrow Airport with momondo

Airline	Rating	Free Cancellation	Price
Virgin Atlantic	PriceFrom £481	Free Cancellation	Rating 7.5 685 reviews		Search Virgin Atlantic flights
United Airlines	PriceFrom £526	Free Cancellation	Rating 7.4 9,535 reviews		Search United Airlines flights

Eastbourne

Milton Keynes

Luton

Gatwick

Stratford-upon-Avon

Slough

Maidstone

Northampton

Swindon

Southend-on-Sea

Wembley

Ipswich

Canterbury

Ilford

Guildford

Hayes

Chelmsford

Poole

Dover

Folkestone

Why use momondo?

Why should I use momondo to find a flight deal from Louisiana to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisiana to London for you.

Can I find flights from Louisiana to London with flexible booking policies on momondo?

Yes. All flights to London from Louisiana on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Louisiana to London?

Once all potential Louisiana to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Louisiana to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Louisiana and alert you when they change.

An easier way to manage your London Heathrow Airport trip

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Cheap flights from Louisiana to London from £250

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisiana to London departing on 3/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Virgin Atlantic flights from Louisiana to London Heathrow Airport

Our best Virgin Atlantic deals on Louisiana to London Heathrow Airport flight tickets

KLM flights from Louisiana to London Heathrow Airport

Our best KLM deals on Louisiana to London Heathrow Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Louisiana to London Heathrow Airport that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Louisiana to London Heathrow Airport

What is the cheapest month to fly to London Heathrow Airport?

What is the cheapest day to depart on your flight to London Heathrow Airport?

What is the cheapest Louisiana to London Heathrow flight route?

How far in advance should I book a flight to London Heathrow Airport?

What cabin class options are available on Louisiana to London Heathrow flights?

Can stopping save me money on Louisiana to London Heathrow Airport flights?

What is the cheapest airline that flies from Louisiana to London Heathrow?

How many flights depart from Louisiana to London Heathrow Airport on average per day?

How many flights depart from Louisiana to London Heathrow Airport on average per week?

How long does it take to fly to London Heathrow Airport?

Cheap Louisiana to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisiana to London Heathrow Airport

Fastest flight time

Direct flights

Frequently asked questions about flying from Louisiana to London Heathrow Airport

Best airlines flying from Louisiana to London Heathrow Airport

Compare and see reviews for airlines that fly from Louisiana to London Heathrow Airport with momondo

Travelling to a place near London?

Why use momondo?

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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