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Heathrow

$307+ Cheap flights from Louisiana to Heathrow (LHR)

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LHR
Jun 21 — Jun 281
Sun 6/21
Sun 6/28
1 adult, Economy
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Cheap flight deals from Louisiana to Heathrow

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 May 22, 2026.

This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:00 am
MSY
-
LHR
2 stops23h 00m
United Airlines
Thu 11/1211:05 am
LHR
-
MSY
2 stops37h 49m
United Airlines
Deal found 5/17$812
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:30 pm
MSY
-
LHR
1 stop33h 30m
United Airlines
Mon 10/125:50 pm
LHR
-
MSY
2 stops31h 57m
United Airlines
Deal found 5/18$853
This Priceline deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:42 am
MSY
-
LHR
1 stop13h 58m
Multiple Airlines
Tue 11/109:20 am
LHR
-
MSY
1 stop20h 20m
Multiple Airlines
Deal found 5/17$858
This Orbitz deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:54 pm
MSY
-
LHR
2 stops18h 56m
Multiple Airlines
Tue 11/37:25 am
LHR
-
MSY
1 stop15h 27m
Multiple Airlines
Deal found 5/19$861
This Delta deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:13 pm
MSY
-
LHR
1 stop14h 02m
Delta
Wed 6/38:40 am
LHR
-
MSY
2 stops17h 33m
Delta
Deal found 5/20$865
This Scandinavian Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:20 am
MSY
-
LHR
2 stops26h 30m
Scandinavian Airlines
Sun 8/309:05 pm
LHR
-
MSY
3 stops29h 34m
Scandinavian Airlines
Deal found 5/21$870
This Delta deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:47 pm
MSY
-
LHR
1 stop11h 38m
Delta
Wed 10/218:55 am
LHR
-
MSY
2 stops15h 59m
Delta
Deal found 5/20$872
This Delta deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:45 pm
MSY
-
LHR
2 stops14h 00m
Delta
Wed 10/218:55 am
LHR
-
MSY
2 stops15h 59m
Delta
Deal found 5/20$881
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:29 am
BTR
-
LHR
1 stop14h 46m
Delta
Tue 10/136:30 am
LHR
-
BTR
2 stops18h 00m
Delta
Deal found 5/18$905
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:00 am
BTR
-
LHR
2 stops18h 20m
Delta
Tue 10/139:55 am
LHR
-
BTR
2 stops18h 06m
Delta
Deal found 5/18$910
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:20 pm
BTR
-
LHR
1 stop33h 05m
Delta
Tue 10/136:30 am
LHR
-
BTR
2 stops18h 00m
Delta
Deal found 5/18$911
This Justfly.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:20 am
SHV
-
LHR
1 stop22h 30m
British Airways
Mon 9/216:10 pm
LHR
-
SHV
2 stops29h 56m
British Airways
Deal found 5/19$916

Find flight deals from Louisiana to Heathrow

Keep the following information in mind while searching for Louisiana to Heathrow flight deals. Data was last updated May 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$812
(United Airlines)

One-way from

$307
(eDestinos)

Popular in

May

Cheapest in

October

Average price

$1,267

Good round-trip deal

$1,069 or less

Good one-way deal

$444 or less
Provider with most accurate pricing for New Orleans Louis Armstrong-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-London (LON) flights.
Search Deals
From Louisiana to London Heathrow
Search Deals
One-way flight from Louisiana to London Heathrow
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($196 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Louisiana to London Heathrow.
Search Deals
Price to beat on a one-way flight from Louisiana to London Heathrow.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisiana to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 22, 2026.
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 round-trip

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 9/23

10:19 am-8:50 am

1 stop16h 31m

London Heathrow

Wed 9/30

9:55 am-8:39 pm

2 stops16h 44m

$904

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Mon 9/28

5:20 pm-11:20 am

1 stop12h 00m

London Heathrow

Fri 10/2

11:45 am-11:20 pm

2 stops17h 35m

$904

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 8/26

4:28 pm-1:05 pm

1 stop14h 37m

London Heathrow

Wed 10/21

8:55 am-6:54 pm

2 stops15h 59m

$913

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Mon 9/14

6:40 pm-2:25 pm

1 stop13h 45m

London Heathrow

Mon 9/21

6:10 pm-10:43 pm

2 stops34h 33m

$917

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Sat 9/12

4:10 pm-7:45 am

1 stop33h 35m

London Heathrow

Fri 9/18

2:10 pm-11:13 am

2 stops27h 03m

$923

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Mon 9/28

9:35 am-7:45 am

1 stop16h 10m

London Heathrow

Fri 10/2

1:40 pm-9:06 pm

1 stop13h 26m

$933

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 9/1

1:05 pm-7:15 am

1 stop12h 10m

London Heathrow

Thu 9/24

11:15 am-10:15 pm

1 stop17h 00m

$934

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Tue 9/1

1:40 pm-7:15 am

1 stop11h 35m

London Heathrow

Thu 9/24

11:15 am-6:25 pm

1 stop13h 10m

$934

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Wed 10/14

2:13 pm-2:25 pm

1 stop18h 12m

London Heathrow

Mon 10/19

8:00 pm-10:54 pm

2 stops32h 54m

$937

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 11/4

10:40 am-7:50 am

1 stop15h 10m

London Heathrow

Sun 11/8

6:30 am-5:31 pm

2 stops17h 01m

$953

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/19

Showing 1-10 of 47 resultsSorted by cheapest first
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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.
Estimated round-trip 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

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

Currently, November is the cheapest month in which you can book a flight from Louisiana to London Heathrow Airport (average of $51). Flying from Louisiana to London Heathrow Airport in January is currently the most expensive (average of $748). 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?

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 May 22, 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 to fly round-trip from Louisiana to London Heathrow Airport?

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

The best time to book flights from Louisiana to London Heathrow Airport is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Related info for your journey

Find useful and relevant information for your journey from Louisiana to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like Delta, British Airways, and United Airlines fly from Louisiana to London Heathrow Airport in about 13h 45m. The time it takes to get you to your destination can typically vary by up to 19h 50m. Airlines will cover a distance of 4634 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $324 on JetBlue. Other airlines that offer cheap prices include Iberia from $340 and American Airlines from $394 one-way.

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

    While some choose either Baton Rouge Ryan - London Heathrow or Shreveport - London Heathrow, New Orleans Louis Armstrong - London Heathrow is the most popular route from Louisiana to London Heathrow Airport.

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

    The top 3 most reliable airlines when flying from Louisiana to London Heathrow Airport are American Airlines (74%), Aer Lingus (74%) and Finnair (74%).

  • 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 $1,882, our data indicates the cheapest price to be $353. The most popular route (New Orleans Louis Armstrong - London Heathrow), is priced around $865.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Louisiana to London Heathrow Airport (average of $51). Flying from Louisiana to London Heathrow Airport in January is currently the most expensive (average of $748). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Dorking
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted

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Top 8 airlines flying from Louisiana to Heathrow

Discover the top 8 airlines that operate flights from Louisiana to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$81Average$885FlexibilityNo cancel feeOn-time62%
DeltaCheapest$182Average$765FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$446Average$869FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$608Average$928FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$676Average$956FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$676Average$1,035FlexibilityNo cancel feeOn-time71%
FinnairCheapest$705Average$1,326FlexibilityNo cancel feeOn-time76%
IberiaCheapest$756Average$1,088FlexibilityNo cancel feeOn-time77%

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