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 Shreveport, and flying into London Heathrow Airport, then you can expect flight times to average 8h 40m and 11h 39m, respectively.

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

United Airlines, Virgin Atlantic, and KLM 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 May 2026, there are 24 flights per week flying from Louisiana to London Heathrow Airport. The most common day of the week flights depart is Wed, with 21% of flights taking off on this day.

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

As of May 2026, there are 3 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 May 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.

£229 Cheap Flights from Louisiana to London Heathrow Airport in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Louisiana to London

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

14:20 - 12:00

MSY

LHR

15h 40m

1 stop

11:05 - 18:54

LHR

MSY

37h 49m

2 stops

£604United Airlines

Tue, 10 Nov - Thu, 12 Nov

17:30 - 09:00

MSY

LHR

33h 30m

1 stop

17:50 - 19:47

LHR

MSY

31h 57m

2 stops

£635United Airlines

Sat, 10 Oct - Mon, 12 Oct

18:54 - 18:50

MSY

LHR

18h 56m

2 stops

07:25 - 16:52

LHR

MSY

15h 27m

1 stop

£641Multiple Airlines

Sun, 25 Oct - Tue, 3 Nov

10:20 - 18:50

MSY

LHR

26h 30m

2 stops

21:05 - 20:39

LHR

MSY

29h 34m

3 stops

£648Scandinavian Airlines

Sun, 23 Aug - Sun, 30 Aug

10:20 - 09:35

MSY

LHR

17h 15m

2 stops

21:05 - 20:39

LHR

MSY

29h 34m

3 stops

£648Scandinavian Airlines

Sun, 23 Aug - Sun, 30 Aug

12:47 - 06:25

MSY

LHR

11h 38m

1 stop

08:55 - 18:54

LHR

MSY

15h 59m

2 stops

£649Delta

Wed, 19 Aug - Wed, 21 Oct

09:05 - 07:10

MSY

LHR

16h 05m

2 stops

08:55 - 18:54

LHR

MSY

15h 59m

2 stops

£653Delta

Wed, 19 Aug - Wed, 21 Oct

11:23 - 08:35

MSY

LHR

15h 12m

1 stop

08:15 - 16:52

LHR

MSY

14h 37m

1 stop

£665Multiple Airlines

Wed, 4 Nov - Sun, 8 Nov

08:20 - 12:50

SHV

LHR

22h 30m

1 stop

18:10 - 18:06

LHR

SHV

29h 56m

2 stops

£682British Airways

Mon, 14 Sep - Mon, 21 Sep

18:40 - 14:25

SHV

LHR

13h 45m

1 stop

18:10 - 22:43

LHR

SHV

34h 33m

2 stops

£683British Airways

Mon, 14 Sep - Mon, 21 Sep

British Airways flights from Louisiana to London Heathrow Airport

Our best British Airways deals on Louisiana to London Heathrow Airport flight tickets

British Airways

16 Aug

MSY21:50New Orleans Louis Armstrong

8h 50m

LHR12:40London Heathrow

26 Aug

LHR16:00London Heathrow

10h 00m

MSY20:00New Orleans Louis Armstrong

£674

British Airways

14 Sept

SHV08:20Shreveport

22h 30m

1 stop

LHR12:50London Heathrow

21 Sept

LHR18:10London Heathrow

29h 56m

2 stops

SHV18:06Shreveport

£682

British Airways

14 Sept

SHV18:40Shreveport

13h 45m

1 stop

LHR14:25London Heathrow

21 Sept

LHR18:10London Heathrow

34h 33m

2 stops

SHV22:43Shreveport

£683

Delta flights from Louisiana to London Heathrow Airport

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

Delta

27 May

MSY17:13New Orleans Louis Armstrong

14h 02m

1 stop

LHR13:15London Heathrow

3 Jun

LHR08:40London Heathrow

17h 33m

2 stops

MSY20:13New Orleans Louis Armstrong

£644

Delta

27 May

MSY09:09New Orleans Louis Armstrong

16h 01m

2 stops

LHR07:10London Heathrow

3 Jun

LHR09:55London Heathrow

16h 18m

2 stops

MSY20:13New Orleans Louis Armstrong

£647

Delta

19 Aug

MSY12:47New Orleans Louis Armstrong

11h 38m

1 stop

LHR06:25London Heathrow

21 Oct

LHR08:55London Heathrow

15h 59m

2 stops

MSY18:54New Orleans Louis Armstrong

£649

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

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 10/11

14:20-12:00

1 stop15h 40m

London Heathrow

Thu 12/11

11:05-18:54

2 stops37h 49m

£604

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sat 10/10

17:30-09:00

1 stop33h 30m

London Heathrow

Mon 12/10

17:50-19:47

2 stops31h 57m

£635

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sun 25/10

18:54-18:50

2 stops18h 56m

London Heathrow

Tue 3/11

07:25-16:52

1 stop15h 27m

£641

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sun 23/8

10:20-18:50

2 stops26h 30m

London Heathrow

Sun 30/8

21:05-20:39

3 stops29h 34m

£648

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sun 23/8

10:20-09:35

2 stops17h 15m

London Heathrow

Sun 30/8

21:05-20:39

3 stops29h 34m

£648

Fastest return journey

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 19/8

12:47-06:25

1 stop11h 38m

London Heathrow

Wed 21/10

08:55-18:54

2 stops15h 59m

£649

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 19/8

09:05-07:10

2 stops16h 05m

London Heathrow

Wed 21/10

08:55-18:54

2 stops15h 59m

£653

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 4/11

11:23-08:35

1 stop15h 12m

London Heathrow

Sun 8/11

08:15-16:52

1 stop14h 37m

£665

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Mon 14/9

08:20-12:50

1 stop22h 30m

London Heathrow

Mon 21/9

18:10-18:06

2 stops29h 56m

£682

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Mon 14/9

18:40-14:25

1 stop13h 45m

London Heathrow

Mon 21/9

18:10-22:43

2 stops34h 33m

£683

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, November 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 £38. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Louisiana averaging around £60.

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 £499. 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 £890.

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 from Louisiana 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 £700 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 £547 on momondo.

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

There are 3 cabin classes available to choose from on Louisiana to London Heathrow Airport 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?

You could potentially save up to 9% on your flight if you consider stops on a Louisiana to London Heathrow Airport flight.

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	Every day

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

Direct flights go from Louisiana to London Heathrow Airport every day.

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 May 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 59.39% of all bookings. The subsequent popular models are Boeing 787-8 Dreamliner at 34.04%, Boeing 787-9 Dreamliner at 3.05%, and Boeing 777 at 2.11%.

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
United Airlines	PriceFrom £520	Free Cancellation	Rating 7.4 9,752 reviews		Search United Airlines flights
Virgin Atlantic	PriceFrom £586	Free Cancellation	Rating 7.5 689 reviews		Search Virgin Atlantic flights

Eastbourne

Milton Keynes

Gatwick

Luton

Wembley

Stratford-upon-Avon

Slough

Maidstone

Northampton

Swindon

Ipswich

Southend-on-Sea

Canterbury

Ilford

Hayes

Guildford

Poole

Folkestone

Chelmsford

Dover

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

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Mon 22/6

Mon 29/6

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities

Other flights to London

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular Cities in the United Kingdom

Flights to London Gatwick Airportfrom £45

Flights to London Stansted Airportfrom £29

Flights to London City Airportfrom £138

Flights to London Luton Airportfrom £32

Flights to London Southend Airportfrom £123

Flights to Belfast Intl Airportfrom £29

Flights to Glasgow Intl Airportfrom £29

Flights to Belfast City Airportfrom £39

Flights to Glasgow Prestwick Airportfrom £96

Flights to Lerwick Sumburgh Airport

Cheap flights from Louisiana to London from £229

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 30/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Louisiana to London

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

British Airways flights from Louisiana to London Heathrow Airport

Our best British Airways deals on Louisiana to London Heathrow Airport flight tickets

Delta flights from Louisiana to London Heathrow Airport

Our best Delta 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 from Louisiana to London Heathrow Airport?

What cabin class options are available on Louisiana to London Heathrow Airport 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

London Heathrow Airport flight routes

According to popular flight searches on momondo this year

Fly your favourite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

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

Complete your trip to London

Explore popular destinations other users love

According to popular flight searches on momondo this year