How long is the flight from Louisiana to London Heathrow Airport?

There are many flights that can get you from Louisiana to London Heathrow Airport in 12h 11m. Fly via United Airlines, Virgin Atlantic, or Delta to get the fastest option. Louisiana and London Heathrow Airport are separated by a distance of 4625 mi. This flight may include one or multiple stops.

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 £214 on JetBlue. Other airlines that offer cheap prices include Virgin Atlantic from £250 and British Airways from £286 one-way.

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.

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).

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 Baton Rouge Ryan - London Heathrow when deciding on the best route from Louisiana to London Heathrow Airport.

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 £302, our data indicates the cheapest price to be £254. The most popular route (New Orleans Louis Armstrong - London Heathrow), is priced around £585.

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 (90%), Aer Lingus (90%) or Finnair (90%) as they are the most reliable in getting you off to your destination on time.

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.

£237+ Cheap Flights from Louisiana to London Heathrow Airport

Cheap flight deals from Louisiana to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 3 September 2026.

Mon 7/1211:55 -

1 stop13h 45m

Wed 9/1207:30 -

2 stops21h 05m

Deal found 1/9£559

Wed 14/1006:00 -

1 stop18h 30m

Mon 19/1008:40 -

1 stop15h 48m

Deal found 2/9£650

Tue 20/1016:49 -

1 stop21h 56m

Sat 7/1108:05 -

1 stop15h 07m

Deal found 31/8£651

Wed 14/1017:59 -

1 stop30h 31m

Wed 21/1008:40 -

1 stop15h 48m

Deal found 1/9£654

Tue 27/1015:49 -

1 stop12h 11m

Thu 5/1110:00 -

2 stops16h 53m

Deal found 31/8£654

Tue 29/910:30 -

1 stop13h 55m

Tue 6/1006:30 -

2 stops15h 59m

Deal found 1/9£657

Tue 29/912:53 -

1 stop16h 27m

Tue 6/1006:30 -

2 stops16h 44m

Deal found 1/9£657

Tue 29/917:11 -

1 stop14h 04m

Tue 6/1009:55 -

2 stops18h 16m

Deal found 30/8£658

Wed 14/1006:19 -

1 stop18h 06m

Wed 21/1006:30 -

2 stops21h 39m

Deal found 30/8£658

Tue 13/1017:53 -

1 stop11h 27m

Tue 20/1006:30 -

2 stops21h 26m

Deal found 30/8£658

Tue 17/1106:00 -

1 stop18h 55m

Wed 25/1107:25 -

1 stop16h 35m

Deal found 1/9£665

Mon 7/1210:59 -

1 stop13h 26m

Wed 9/1210:00 -

2 stops18h 25m

Deal found 31/8£668

Best flights from Louisiana to Heathrow
Discover carefully curated flight deals from Louisiana to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Mon 7/1211:55 -

1 stop13h 45m

Wed 9/1207:30 -

2 stops21h 05m

Deal found 2/9£560

Tue 27/1015:49 -

1 stop12h 11m

Thu 5/1110:00 -

2 stops16h 53m

Deal found 31/8£654

Tue 29/910:30 -

1 stop13h 55m

Tue 6/1006:30 -

2 stops15h 59m

Deal found 1/9£657

Tue 29/912:53 -

1 stop16h 27m

Tue 6/1006:30 -

2 stops16h 44m

Deal found 1/9£657

Tue 13/1008:00 -

1 stop16h 20m

Tue 20/1008:55 -

1 stop18h 46m

Deal found 29/8£679

Sun 18/1021:50 -

Nonstop8h 50m

Tue 3/1113:40 -

Nonstop10h 10m

Deal found 2/9£739

Tue 2/312:05 -

2 stops41h 45m

Fri 5/306:35 -

2 stops20h 36m

Deal found 31/8£634

Wed 14/1006:02 -

1 stop18h 23m

Wed 21/1008:40 -

2 stops17h 19m

Deal found 30/8£658

Mon 7/1210:59 -

1 stop13h 26m

Wed 9/1210:00 -

2 stops18h 25m

Deal found 31/8£668

Wed 14/1006:19 -

1 stop18h 06m

Wed 21/1006:30 -

2 stops21h 39m

Deal found 30/8£658

Tue 17/1109:30 -

2 stops19h 20m

Wed 25/1112:15 -

2 stops17h 20m

Deal found 2/9£728

Wed 14/1013:05 -

1 stop18h 10m

Wed 21/1009:20 -

1 stop18h 49m

Deal found 30/8£679

Wed 30/914:10 -

1 stop11h 35m

Tue 6/1007:25 -

2 stops18h 07m

Deal found 30/8£680

Wed 28/1012:38 -

1 stop14h 37m

Sat 7/1113:40 -

Nonstop10h 10m

Deal found 2/9£780

Tue 13/1017:53 -

1 stop11h 27m

Tue 20/1006:30 -

2 stops21h 26m

Deal found 29/8£658

Sun 18/1012:38 -

1 stop18h 12m

Tue 3/1114:30 -

1 stop14h 27m

Deal found 2/9£743

Mon 7/1213:54 -

1 stop14h 21m

Wed 9/1210:00 -

1 stop15h 33m

Deal found 2/9£693

Thu 1/1012:53 -

2 stops14h 57m

Thu 8/1009:55 -

2 stops18h 14m

Deal found 1/9£696

Tue 29/910:30 -

2 stops14h 15m

Tue 6/1006:30 -

2 stops15h 59m

Deal found 1/9£660

Wed 21/1014:21 -

1 stop12h 09m

Wed 28/1006:50 -

2 stops18h 36m

Deal found 1/9£729

Wed 30/906:00 -

2 stops19h 10m

Tue 6/1008:40 -

2 stops19h 31m

Deal found 30/8£683

Sat 17/1006:19 -

1 stop23h 01m

Sat 24/1013:25 -

1 stop14h 44m

Deal found 2/9£752

Wed 14/1006:19 -

3 stops21h 01m

Wed 21/1010:20 -

3 stops32h 00m

Deal found 30/8£914

Fri 9/1006:09 -

2 stops19h 01m

Tue 20/1006:30 -

2 stops15h 54m

Deal found 30/8£698

Sun 18/1009:10 -

1 stop15h 15m

Tue 27/1016:00 -

1 stop21h 04m

Deal found 2/9£751

Wed 21/1007:50 -

2 stops17h 20m

Wed 28/1020:10 -

2 stops18h 41m

Deal found 2/9£754

Sat 14/1119:55 -

1 stop18h 15m

Sun 22/1106:30 -

2 stops15h 43m

Deal found 1/9£766

Tue 20/1014:36 -

1 stop12h 39m

Sat 7/1106:30 -

2 stops15h 38m

Deal found 29/8£767

Thu 1/1012:53 -

2 stops26h 47m

Thu 8/1006:40 -

3 stops21h 29m

Deal found 1/9£1,446

Wed 28/1006:25 -

1 stop19h 00m

Sat 7/1106:30 -

2 stops15h 38m

Deal found 29/8£767

Find flight deals from Louisiana to Heathrow

Round-trip from	£559
One-way from	£237
Popular in	June
Cheapest in	January
Average price	£736
Good one-way deal	£263 or less

United Airlines
7/12-9/12
3 total stops
34h 50m total
Louisiana to London

Search Deals

JetBlue
21/10
1 total stop
21h 56m total
Louisiana to London

Search Deals

Highest demand for flights based on searches. 26% potential increase in price (£204 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a one-way flight from Louisiana to London Heathrow.

Search Deals

Cheapflights 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 Shreveport - LHR London Heathrow

SHVLHR

Shreveport

Mon 7/12

11:55-07:40

1 stop13h 45m

London Heathrow

Wed 9/12

07:30-22:35

2 stops21h 05m

£560

Baton RougeLondon

BTR Baton Rouge Ryan - LHR London Heathrow

BTRLHR

Baton Rouge Ryan

Tue 2/3

12:05-11:50

2 stops41h 45m

London Heathrow

Fri 5/3

06:35-21:11

2 stops20h 36m

£634

Baton RougeLondon

BTR Baton Rouge Ryan - LHR London Heathrow

BTRLHR

Baton Rouge Ryan

Tue 27/10

15:49-09:00

1 stop12h 11m

London Heathrow

Thu 5/11

10:00-20:53

2 stops16h 53m

£654

ShreveportLondon

SHV Shreveport - LHR London Heathrow

SHVLHR

Shreveport

Tue 29/9

10:30-06:25

1 stop13h 55m

London Heathrow

Tue 6/10

06:30-16:29

2 stops15h 59m

£657

MonroeLondon

MLU Monroe Huenefeld - LHR London Heathrow

MLULHR

Monroe Huenefeld

Tue 29/9

12:53-11:20

1 stop16h 27m

London Heathrow

Tue 6/10

06:30-17:14

2 stops16h 44m

£657

ShreveportLondon

SHV Shreveport - LHR London Heathrow

SHVLHR

Shreveport

Wed 14/10

06:02-06:25

1 stop18h 23m

London Heathrow

Wed 21/10

08:40-19:59

2 stops17h 19m

£658

MonroeLondon

MLU Monroe Huenefeld - LHR London Heathrow

MLULHR

Monroe Huenefeld

Wed 14/10

06:19-06:25

1 stop18h 06m

London Heathrow

Wed 21/10

06:30-22:09

2 stops21h 39m

£658

Baton RougeLondon

BTR Baton Rouge Ryan - LHR London Heathrow

BTRLHR

Baton Rouge Ryan

Tue 13/10

17:53-11:20

1 stop11h 27m

London Heathrow

Tue 20/10

06:30-21:56

2 stops21h 26m

£658

ShreveportLondon

SHV Shreveport - LHR London Heathrow

SHVLHR

Shreveport

Tue 29/9

10:30-06:45

2 stops14h 15m

London Heathrow

Tue 6/10

06:30-16:29

2 stops15h 59m

£660

ShreveportLondon

SHV Shreveport - LHR London Heathrow

SHVLHR

Shreveport

Mon 7/12

10:59-06:25

1 stop13h 26m

London Heathrow

Wed 9/12

10:00-22:25

2 stops18h 25m

£668

Flights are sorted by cheapest return flights first.

Deals found on 3/9

Showing 1-10 of 51 resultsSorted by cheapest first

...

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.

MSY-LHR

BTR-LHR

SHV-LHR

MLU-LHR

LFT-LHR

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

USLA-LHR

MSY-LHR

BTR-LHR

SHV-LHR

MLU-LHR

What is the cheapest month to book a flight from Louisiana to London Heathrow Airport?

Currently, February is the cheapest month in which you can book a flight from Louisiana to London Heathrow Airport (average of £499). Flying from Louisiana to London Heathrow Airport in July is currently the most expensive (average of £1,110). 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?

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.

How much does it cost for a return flight from Louisiana to London Heathrow Airport?

Airfare is below average for this route at the moment.

Louisiana to London Heathrow Airport flights typically cost between £680 and £823 in January.
The cheapest return price found within the last 5 days was £585 on United Airlines (11 Jan–13 Jan).

How far ahead should I book a flight from Louisiana to London Heathrow Airport?

To ensure you get the cheapest price possible for a flight from Louisiana to London Heathrow Airport, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

How long is the flight from Louisiana to London Heathrow Airport?
There are many flights that can get you from Louisiana to London Heathrow Airport in 12h 11m. Fly via United Airlines, Virgin Atlantic, or Delta to get the fastest option. Louisiana and London Heathrow Airport are separated by a distance of 4625 mi. This flight may include one or multiple stops.
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 £214 on JetBlue. Other airlines that offer cheap prices include Virgin Atlantic from £250 and British Airways from £286 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 Baton Rouge Ryan - 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 (90%), Aer Lingus (90%) or Finnair (90%) 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 £302, our data indicates the cheapest price to be £254. The most popular route (New Orleans Louis Armstrong - London Heathrow), is priced around £585.
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, February is the cheapest month in which you can book a flight from Louisiana to London Heathrow Airport (average of £499). Flying from Louisiana to London Heathrow Airport in July is currently the most expensive (average of £1,110). 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

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Alternative routes for Louisiana to Heathrow

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Top 2 airlines flying from Louisiana to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest£518	Average£629	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Virgin Atlantic	Cheapest£583	Average£709	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

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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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Cheap flights from Louisiana to London Heathrow Airport from £237

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 21/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Louisiana to Heathrow

Cheapest flights from Louisiana to HeathrowExplore 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 3 September 2026.

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 3 September 2026.

Best flights from Louisiana to HeathrowDiscover carefully curated flight deals from Louisiana to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Discover carefully curated flight deals from Louisiana to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Direct flights from Louisiana to HeathrowExplore direct flight options from Louisiana to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 3 September 2026.

Explore direct flight options from Louisiana to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 3 September 2026.

Last-minute flights from Louisiana to HeathrowDiscover last-minute flight deals from Louisiana to Heathrow. Data last updated 3 September 2026 and is based on user searches.

Discover last-minute flight deals from Louisiana to Heathrow. Data last updated 3 September 2026 and is based on user searches.

One-way flights from Louisiana to HeathrowSearch for one-way flight options from Louisiana to Heathrow. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.

Search for one-way flight options from Louisiana to Heathrow. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.

Find flight deals from Louisiana to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good one-way deal

Cheapflights Fare Finder

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

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.

Cheapflights Insights

What is the cheapest month to book a flight from Louisiana to London Heathrow Airport?

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 3 September 2026.

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.

How much does it cost for a return flight from Louisiana to London Heathrow Airport?

Airfare is below average for this route at the moment.

Louisiana to London Heathrow Airport flights typically cost between £680 and £823 in January.The cheapest return price found within the last 5 days was £585 on United Airlines (11 Jan–13 Jan).

How far ahead should I book a flight from Louisiana to London Heathrow Airport?

To ensure you get the cheapest price possible for a flight from Louisiana to London Heathrow Airport, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

How long is the flight from Louisiana to London Heathrow Airport?

What are the cheapest airlines to fly from Louisiana to London Heathrow Airport one-way?

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

What are the most reliable airlines from Louisiana to London Heathrow Airport?

What are the cheapest flights from Louisiana to London Heathrow Airport?

Can I find deals for flights from Louisiana to Heathrow that include hotel bookings?

How can I find direct flights from Louisiana to Heathrow?

Can I find deals for business class flights from Louisiana to Heathrow?

What is the cheapest month to book a flight from Louisiana to London Heathrow Airport?

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisiana to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Louisiana to Heathrow by cabin class

Find flights from Louisiana to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 3 September 2026.

Louisiana and Heathrow flights

Browse other Louisiana and Heathrow flight options. Last updated on 3 September 2026.

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Louisiana to Heathrow flights

Consider these flights travelling from Louisiana to Heathrow.

Top 2 airlines flying from Louisiana to Heathrow

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How does Cheapflights help users find flights from Louisiana to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Louisiana to Heathrow?

Can Cheapflights find flights from Louisiana to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Louisiana to Heathrow become cheaper?

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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 3 September 2026.

Best flights from Louisiana to Heathrow
Discover carefully curated flight deals from Louisiana to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Direct flights from Louisiana to Heathrow
Explore direct flight options from Louisiana to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 3 September 2026.

Last-minute flights from Louisiana to Heathrow
Discover last-minute flight deals from Louisiana to Heathrow. Data last updated 3 September 2026 and is based on user searches.

One-way flights from Louisiana to Heathrow
Search for one-way flight options from Louisiana to Heathrow. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.

Louisiana to London Heathrow Airport flights typically cost between £680 and £823 in January.
The cheapest return price found within the last 5 days was £585 on United Airlines (11 Jan–13 Jan).