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

On average, it takes 8h 40m to fly from Louisiana to London Heathrow Airport if you fly out of New Orleans (the most popular airport in Louisiana) and into London Heathrow Airport (the most popular airport in London Heathrow Airport). If you’re flying out of Lafayette and into London Heathrow Airport, then the flight time is around 10h 45m.

What airlines fly to London Heathrow Airport?

British Airways, American Airlines and Iberia are the top three most popular airlines that fly to London Heathrow Airport from Louisiana according to our data. British Airways is the first choice among our users, with 66% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 7 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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

JetBlue, TAP AIR PORTUGAL, and Scandinavian Airlines are the most popular carriers operating from Louisiana to London Heathrow

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

As of November 2025, there are 1 flights per day flying from Louisiana to London Heathrow Airport. The most common time of day flights depart is 8:00PM, with 100% of flights taking off in the evening.

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

The number of flights available between Louisiana and London Heathrow Airport is 13 per week as of November 2025. The most frequent departure day is Tue, with 38% of weekly flights leaving on this day.

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

There are 7 operators available for flights from Louisiana to London Heathrow Airport as of November 2025.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$265 Cheap Flights from Louisiana to London Heathrow Airport in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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 round-trip flights

Enter your travel dates to find the best prices.

11:21 am - 6:25 amLFT-LHR

13h 04m1 stop

8:40 am - 10:15 pmLHR-LFT

19h 35m2 stops

$626Delta

Find Deal

Fri, Jan 23 - Mon, Feb 2

11:21 am - 10:30 amLFT-LHR

17h 09m2 stops

8:40 am - 10:15 pmLHR-LFT

19h 35m2 stops

$631Delta

Find Deal

Fri, Jan 23 - Mon, Feb 2

11:21 am - 6:25 amLFT-LHR

13h 04m1 stop

11:30 am - 10:15 pmLHR-LFT

16h 45m2 stops

$632Delta

Find Deal

Fri, Jan 23 - Sun, Feb 1

11:21 am - 8:45 amLFT-LHR

15h 24m2 stops

11:30 am - 10:15 pmLHR-LFT

16h 45m2 stops

$636Delta

Find Deal

Fri, Jan 23 - Sun, Feb 1

3:42 pm - 10:15 amMSY-LHR

12h 33m1 stop

7:40 am - 6:08 pmLHR-MSY

16h 28m2 stops

$651Lufthansa

Find Deal

Tue, Dec 30 - Tue, Jan 13

5:15 pm - 11:40 amLFT-LHR

12h 25m1 stop

12:30 pm - 10:15 pmLHR-LFT

15h 45m1 stop

$653KLM

Find Deal

Fri, Jan 23 - Mon, Feb 2

6:33 pm - 12:15 pmSHV-LHR

11h 42m1 stop

7:40 pm - 9:52 pmLHR-SHV

32h 12m2 stops

$657British Airways

Find Deal

Tue, Feb 24 - Mon, Mar 2

3:59 pm - 10:15 amMSY-LHR

12h 16m1 stop

7:40 am - 6:08 pmLHR-MSY

16h 28m2 stops

$658Lufthansa

Find Deal

Wed, Jan 7 - Wed, Jan 14

12:40 pm - 6:40 amMSY-LHR

12h 00m1 stop

8:00 am - 7:14 pmLHR-MSY

17h 14m1 stop

$666Austrian Airlines

Find Deal

Wed, Jan 7 - Tue, Jan 20

8:30 am - 7:50 amSHV-LHR

17h 20m1 stop

8:55 am - 8:00 pmLHR-SHV

17h 05m1 stop

$703KLM

Find Deal

Tue, Feb 24 - Mon, Mar 2

Delta flights from Louisiana to London Heathrow Airport

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

Delta

Jan 23

LFT11:21 amLafayette Regional

13h 04m

1 stop

LHR6:25 amLondon Heathrow

Feb 2

LHR8:40 amLondon Heathrow

19h 35m

2 stops

LFT10:15 pmLafayette Regional

$626

Find similar

Delta

Jan 23

LFT11:21 amLafayette Regional

17h 09m

2 stops

LHR10:30 amLondon Heathrow

Feb 2

LHR8:40 amLondon Heathrow

19h 35m

2 stops

LFT10:15 pmLafayette Regional

$631

Find similar

Delta

Jan 23

LFT11:21 amLafayette Regional

13h 04m

1 stop

LHR6:25 amLondon Heathrow

Feb 1

LHR11:30 amLondon Heathrow

16h 45m

2 stops

LFT10:15 pmLafayette Regional

$632

Find similar

United Airlines flights from Louisiana to London Heathrow Airport

Our best United Airlines deals on Louisiana to London Heathrow Airport flight tickets

United Airlines

Jan 7

MSY12:40 pmNew Orleans Louis Armstrong

16h 35m

2 stops

LHR11:15 amLondon Heathrow

Jan 20

LHR6:50 amLondon Heathrow

18h 55m

2 stops

MSY7:45 pmNew Orleans Louis Armstrong

$679

Find similar

United Airlines

Feb 11

MSY5:00 amNew Orleans Louis Armstrong

23h 15m

1 stop

LHR10:15 amLondon Heathrow

Feb 18

LHR6:00 pmLondon Heathrow

29h 17m

1 stop

MSY5:17 pmNew Orleans Louis Armstrong

$691

Find similar

United Airlines

Feb 3

MSY2:26 pmNew Orleans Louis Armstrong

33h 29m

1 stop

LHR5:55 amLondon Heathrow

Feb 17

LHR6:00 pmLondon Heathrow

29h 17m

1 stop

MSY5:17 pmNew Orleans Louis Armstrong

$692

Find similar

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

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Fri 1/23

11:21 am-6:25 am

1 stop13h 04m

London Heathrow

Mon 2/2

8:40 am-10:15 pm

2 stops19h 35m

$626

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Fri 1/23

11:21 am-10:30 am

2 stops17h 09m

London Heathrow

Mon 2/2

8:40 am-10:15 pm

2 stops19h 35m

$631

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Fri 1/23

11:21 am-6:25 am

1 stop13h 04m

London Heathrow

Sun 2/1

11:30 am-10:15 pm

2 stops16h 45m

$632

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Fri 1/23

11:21 am-8:45 am

2 stops15h 24m

London Heathrow

Sun 2/1

11:30 am-10:15 pm

2 stops16h 45m

$636

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 12/30

3:42 pm-10:15 am

1 stop12h 33m

London Heathrow

Tue 1/13

7:40 am-6:08 pm

2 stops16h 28m

$651

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Fri 1/23

5:15 pm-11:40 am

1 stop12h 25m

London Heathrow

Mon 2/2

12:30 pm-10:15 pm

1 stop15h 45m

$653

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Tue 2/24

6:33 pm-12:15 pm

1 stop11h 42m

London Heathrow

Mon 3/2

7:40 pm-9:52 pm

2 stops32h 12m

$657

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 1/7

3:59 pm-10:15 am

1 stop12h 16m

London Heathrow

Wed 1/14

7:40 am-6:08 pm

2 stops16h 28m

$658

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 1/7

12:40 pm-6:40 am

1 stop12h 00m

London Heathrow

Tue 1/20

8:00 am-7:14 pm

1 stop17h 14m

$666

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Tue 2/24

8:30 am-7:50 am

1 stop17h 20m

London Heathrow

Mon 3/2

8:55 am-8:00 pm

1 stop17h 05m

$703

Flights are sorted by cheapest round-trip 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?

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Louisiana, with most prices found around $695. If you’re not able to fly to London Heathrow Airport in October, then September is your next best option. Flight prices from Louisiana to London Heathrow Airport during September average around $708.

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

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $777. The most expensive day to fly to London Heathrow Airport is Monday, with ticket prices averaging around $1,167.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Louisiana to London Heathrow Airport in the morning for as low as $870. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $1,059.

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 $861 when searching weeks out. 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 $766 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?

You could potentially save up to 23% 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

Best Price Found	$458
Fastest flight time	8h 40m
Direct flights	Wed, Fri, Sat and Sun

The best one-way flight to London Heathrow Airport from Louisiana in the past 72 hours is $458. The best round-trip flight deal from Louisiana to London Heathrow Airport found on momondo in the last 72 hours is $703.

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

Direct flights go from Louisiana to London Heathrow Airport on Wednesday, Friday, Saturday and Sunday. The only airline offering direct flights is British Airways.

Search flight deals

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?
There are 7 operators available for flights from Louisiana to London Heathrow Airport as of November 2025.
How old do you have to be to fly from Louisiana to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?
Based on momondo bookings for flights between Louisiana and London Heathrow Airport, the leading plane model is Boeing 787-8 Dreamliner, making up 75.35% of the total bookings. Other popular models include Boeing 787-10 Dreamliner with 11.76%, Boeing 787-9 Dreamliner with 7.28%, and Boeing 777 with 4.48%.

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
JetBlue	PriceFrom $81	Free Cancellation	Rating 7.2 2,904 reviews	Search JetBlue flights
Delta	PriceFrom $182	Free Cancellation	Rating 7.9 8,010 reviews	Search Delta flights
Iberia	PriceFrom $568	Free Cancellation	Rating 7.0 3,016 reviews	Search Iberia flights
United Airlines	PriceFrom $587	Free Cancellation	Rating 7.4 9,017 reviews	Search United Airlines flights
British Airways	PriceFrom $593	Free Cancellation	Rating 6.7 7,524 reviews	Search British Airways flights
American Airlines	PriceFrom $678	Free Cancellation	Rating 7.2 11,053 reviews	Search American Airlines flights
Virgin Atlantic	PriceFrom $690	Free Cancellation	Rating 7.5 673 reviews	Search Virgin Atlantic flights

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Stratford-upon-Avon

Crawley

Brentwood

Chelmsford

Salisbury

Wembley

Folkestone

Romford

Ilford

Cobham

Swindon

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Louisiana to London. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Louisiana to London on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Louisiana.

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

Of course. momondo tracks the price of Louisiana to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize 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 12/15

Mon 12/22

Email me momondo's favorite 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 in the United Kingdom

Flights to London Gatwick Airportfrom $312

Flights to London City Airportfrom $478

Flights to London Stansted Airportfrom $399

Flights to London Luton Airportfrom $398

Flights to Glasgow Intl Airportfrom $420

Flights to London Southend Airportfrom $481

Flights to Belfast Intl Airportfrom $542

Flights to Belfast City Airportfrom $542

Louisiana flight routes

Flights from New Orleans Louis Armstrong to Jacksonville

Flights from New Orleans Louis Armstrong to Tampa

Flights from New Orleans Louis Armstrong to Richmond Byrd Intl

Flights from New Orleans Louis Armstrong to Fort Lauderdale

Flights from New Orleans Louis Armstrong to Denver Intl

Flights from New Orleans Louis Armstrong to Atlanta Hartsfield-Jackson

Cheap flights from Louisiana to London from $265

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 1/26. 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 and deals

Big names and 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 round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Delta flights from Louisiana to London Heathrow Airport

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

United Airlines flights from Louisiana to London Heathrow Airport

Our best United Airlines 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

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

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?

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $777. The most expensive day to fly to London Heathrow Airport is Monday, with ticket prices averaging around $1,167.

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

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?

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?

You could potentially save up to 23% on your flight if you consider stops on a Louisiana to London Heathrow Airport flight.

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

JetBlue, TAP AIR PORTUGAL, and Scandinavian Airlines are the most popular carriers operating from Louisiana to London Heathrow

What airlines fly to London Heathrow Airport?

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

As of November 2025, there are 1 flights per day flying from Louisiana to London Heathrow Airport. The most common time of day flights depart is 8:00PM, with 100% of flights taking off in the evening.

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

The number of flights available between Louisiana and London Heathrow Airport is 13 per week as of November 2025. The most frequent departure day is Tue, with 38% of weekly flights leaving on this day.

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

Best Price Found

Fastest flight time

Direct flights

When did momondo last update prices for flights from Louisiana to London Heathrow Airport?

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

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

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

What is the most popular plane model 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

Traveling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize 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