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

JetBlue and United 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 August 2025, there are 1 flights per day flying from Louisiana to London Heathrow Airport. The most common time of day flights depart is 9:00PM, 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 12 per week as of August 2025. The most frequent departure day is Wed, with 42% of weekly flights leaving on this day.

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 Baton Rouge and into London Heathrow Airport, then the flight time is around 11h 35m.

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 63% 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.

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 August 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.

$225 Cheap Flights from Louisiana to London Heathrow Airport in 2025

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

4:39 pm - 1:30 pmBTR-LHR

14h 51m1 stop

9:00 am - 10:12 pmLHR-BTR

19h 12m2 stops

$522Delta

Find Deal

lun., sep. 22 - mié., oct. 1

2:20 pm - 1:30 pmBTR-LHR

17h 10m1 stop

9:00 am - 10:13 pmLHR-BTR

19h 13m2 stops

$523Delta

Find Deal

mié., sep. 3 - mar., sep. 9

6:50 pm - 1:30 pmBTR-LHR

12h 40m1 stop

9:20 am - 10:12 pmLHR-BTR

18h 52m1 stop

$530KLM

Find Deal

lun., sep. 22 - mié., oct. 1

6:15 pm - 1:30 pmBTR-LHR

13h 15m1 stop

3:15 pm - 10:13 pmLHR-BTR

12h 58m1 stop

$531KLM

Find Deal

mié., sep. 3 - mar., sep. 9

2:54 pm - 7:40 amMSY-LHR

10h 46m1 stop

12:15 pm - 9:35 pmLHR-MSY

15h 20m1 stop

$559British Airways

Find Deal

mié., oct. 15 - mié., oct. 22

12:38 pm - 6:25 amMSY-LHR

11h 47m1 stop

11:15 am - 9:35 pmLHR-MSY

15h 20m1 stop

$560British Airways

Find Deal

mié., oct. 15 - mié., oct. 29

2:16 pm - 11:45 amMSY-LHR

15h 29m2 stops

6:50 am - 7:16 pmLHR-MSY

18h 26m2 stops

$561United Airlines

Find Deal

vie., sep. 19 - dom., sep. 21

7:00 am - 7:40 amMSY-LHR

18h 40m1 stop

9:30 am - 7:16 pmLHR-MSY

39h 46m2 stops

$562United Airlines

Find Deal

mié., sep. 3 - mar., sep. 23

11:55 am - 11:50 amMSY-LHR

17h 55m1 stop

8:05 pm - 11:02 amLHR-MSY

44h 57m2 stops

$564

Find Deal

mié., oct. 8 - lun., oct. 13

11:55 am - 11:50 amMSY-LHR

17h 55m1 stop

8:05 pm - 11:02 amLHR-MSY

44h 57m2 stops

$565

Find Deal

mié., oct. 8 - lun., oct. 13

Virgin Atlantic flights from Louisiana to London Heathrow Airport

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

Virgin Atlantic

Sep 25

BTR1:32 pmBaton Rouge Ryan

11h 43m

1 stop

LHR7:15 amLondon Heathrow

Oct 2

LHR9:20 amLondon Heathrow

14h 46m

1 stop

BTR6:06 pmBaton Rouge Ryan

$580

Find similar

Virgin Atlantic

Sep 30

LFT11:12 amLafayette Regional

14h 53m

2 stops

LHR8:05 amLondon Heathrow

Nov 1

LHR8:50 amLondon Heathrow

17h 09m

2 stops

LFT8:59 pmLafayette Regional

$584

Find similar

Virgin Atlantic

Dec 1

MSY3:25 pmNew Orleans Louis Armstrong

13h 25m

2 stops

LHR10:50 amLondon Heathrow

Dec 16

LHR9:40 amLondon Heathrow

17h 01m

2 stops

MSY8:41 pmNew Orleans Louis Armstrong

$588

Find similar

Delta flights from Louisiana to London Heathrow Airport

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

Delta

Sep 22

BTR4:39 pmBaton Rouge Ryan

14h 51m

1 stop

LHR1:30 pmLondon Heathrow

Oct 1

LHR9:00 amLondon Heathrow

19h 12m

2 stops

BTR10:12 pmBaton Rouge Ryan

$522

Find similar

Delta

Sep 3

BTR2:20 pmBaton Rouge Ryan

17h 10m

1 stop

LHR1:30 pmLondon Heathrow

Sep 9

LHR9:00 amLondon Heathrow

19h 13m

2 stops

BTR10:13 pmBaton Rouge Ryan

$523

Find similar

Delta

Sep 3

BTR10:20 amBaton Rouge Ryan

16h 55m

2 stops

LHR9:15 amLondon Heathrow

Sep 9

LHR11:30 amLondon Heathrow

16h 43m

2 stops

BTR10:13 pmBaton Rouge Ryan

$527

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

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

lun. 9/22

4:39 pm-1:30 pm

1 stop14h 51m

London Heathrow

mié. 10/1

9:00 am-10:12 pm

2 stops19h 12m

$522

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

mié. 9/3

2:20 pm-1:30 pm

1 stop17h 10m

London Heathrow

mar. 9/9

9:00 am-10:13 pm

2 stops19h 13m

$523

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

lun. 9/22

6:50 pm-1:30 pm

1 stop12h 40m

London Heathrow

mié. 10/1

9:20 am-10:12 pm

1 stop18h 52m

$530

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

mié. 9/3

6:15 pm-1:30 pm

1 stop13h 15m

London Heathrow

mar. 9/9

3:15 pm-10:13 pm

1 stop12h 58m

$531

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

mié. 10/15

2:54 pm-7:40 am

1 stop10h 46m

London Heathrow

mié. 10/22

12:15 pm-9:35 pm

1 stop15h 20m

$559

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

mié. 10/15

12:38 pm-6:25 am

1 stop11h 47m

London Heathrow

mié. 10/29

11:15 am-9:35 pm

1 stop15h 20m

$560

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

vie. 9/19

2:16 pm-11:45 am

2 stops15h 29m

London Heathrow

dom. 9/21

6:50 am-7:16 pm

2 stops18h 26m

$561

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

mié. 9/3

7:00 am-7:40 am

1 stop18h 40m

London Heathrow

mar. 9/23

9:30 am-7:16 pm

2 stops39h 46m

$562

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

mié. 10/8

11:55 am-11:50 am

1 stop17h 55m

London Heathrow

lun. 10/13

8:05 pm-11:02 am

2 stops44h 57m

$564

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

mié. 10/8

11:55 am-11:50 am

1 stop17h 55m

London Heathrow

lun. 10/13

8:05 pm-11:02 am

2 stops44h 57m

$565

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 September is, on average, the cheapest month to fly to London Heathrow Airport from Louisiana, with most prices found around $713. If you’re not able to fly to London Heathrow Airport in September, then March is your next best option. Flight prices from Louisiana to London Heathrow Airport during March average around $723.

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 $797. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,148.

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 $1,069.

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 $858 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 $680 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 18% 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	$225
Fastest flight time	10h 46m
Direct flights	Mon, Wed, Thu, Fri, Sat and Sun

The best one-way flight to London Heathrow Airport from Louisiana in the past 72 hours is $225. The best round-trip flight deal from Louisiana to London Heathrow Airport found on momondo in the last 72 hours is $522.

The fastest flight from Louisiana to London Heathrow Airport takes 10h 46m

Direct flights go from Louisiana to London Heathrow Airport on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: Finnair, Iberia and American Airlines.

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 August 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 787-10 Dreamliner, making up 52.98% of the total bookings. Other popular models include Boeing 787-8 Dreamliner with 34.50%, Boeing 787-9 Dreamliner with 8.70%, and Boeing 777 with 2.44%.

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 2,915 reviews	Search JetBlue flights
Delta	PriceFrom $182	Free Cancellation	Rating 8.0 7,979 reviews	Search Delta flights
Iberia	PriceFrom $595	Free Cancellation	Rating 7.0 2,878 reviews	Search Iberia flights
British Airways	PriceFrom $601	Free Cancellation	Rating 6.6 7,265 reviews	Search British Airways flights
United Airlines	PriceFrom $614	Free Cancellation	Rating 7.4 8,920 reviews	Search United Airlines flights
American Airlines	PriceFrom $678	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Virgin Atlantic	PriceFrom $690	Free Cancellation	Rating 7.4 657 reviews	Search Virgin Atlantic flights

Hounslow

Gatwick

Dover

Slough

Luton

Guildford

Milton Keynes

Dartford

Crawley

Hayes

Chelmsford

Stansted

Salisbury

Brentwood

Ilford

Swindon

Colchester

Folkestone

Stratford-upon-Avon

Watford

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

lun. 8/18

lun. 8/25

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 $310

Flights to London City Airportfrom $415

Flights to London Stansted Airportfrom $416

Flights to London Luton Airportfrom $416

Flights to London Southend Airportfrom $435

Flights to Glasgow Intl Airportfrom $426

Flights to Belfast Intl Airportfrom $479

Flights to Belfast City Airportfrom $519

Cheap flights from Louisiana to London from $225

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 9/19. 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

Virgin Atlantic flights from Louisiana to London Heathrow Airport

Our best Virgin Atlantic 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

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 $797. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,148.

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 18% 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 and United 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 August 2025, there are 1 flights per day flying from Louisiana to London Heathrow Airport. The most common time of day flights depart is 9:00PM, 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 12 per week as of August 2025. The most frequent departure day is Wed, with 42% 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