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$304+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LHR
Apr 28 — May 51
Tue 4/28
Tue 5/5
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 March 29, 2026.

This FlightHub deal was found by Cheapflights users on 3/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:45 pm
SHV
-
LHR
2 stops26h 55m
Scandinavian Airlines
Mon 9/216:40 am
LHR
-
SHV
2 stops22h 49m
Scandinavian Airlines
Deal found 3/29$807
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Fri 10/305:25 pm
MSY
-
LHR
2 stops46h 10m
United Airlines
Mon 11/27:40 am
LHR
-
MSY
2 stops18h 10m
United Airlines
Deal found 3/24$816
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Sun 9/65:45 pm
SHV
-
LHR
1 stop11h 50m
United Airlines
Fri 9/185:40 pm
LHR
-
SHV
2 stops27h 55m
United Airlines
Deal found 3/24$835
This Cheapflightsfares deal was found by Cheapflights users on 3/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1612:07 pm
MSY
-
LHR
2 stops20h 33m
Lufthansa
Wed 8/2610:50 am
LHR
-
MSY
2 stops17h 42m
Lufthansa
Deal found 3/25$837
This KAYAK deal was found by Cheapflights users on 3/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:45 pm
SHV
-
LHR
2 stops23h 45m
Scandinavian Airlines
Fri 9/186:40 pm
LHR
-
SHV
2 stops34h 49m
Scandinavian Airlines
Deal found 3/28$841
This oojo deal was found by Cheapflights users on 3/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:42 am
SHV
-
LHR
1 stop15h 18m
British Airways
Fri 9/188:55 am
LHR
-
SHV
1 stop17h 28m
British Airways
Deal found 3/24$845
This Cheapflightsfares deal was found by Cheapflights users on 3/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:44 pm
MSY
-
LHR
2 stops19h 56m
Lufthansa
Tue 4/216:30 am
LHR
-
MSY
2 stops22h 00m
Lufthansa
Deal found 3/24$846
This FlightHub deal was found by Cheapflights users on 3/26. 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 FlightHub 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
Multiple Airlines
Mon 9/217:25 pm
LHR
-
SHV
2 stops33h 18m
Multiple Airlines
Deal found 3/26$853
This Expedia deal was found by Cheapflights users on 3/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/301:40 pm
BTR
-
LHR
2 stops37h 40m
Scandinavian Airlines
Wed 12/96:40 am
LHR
-
BTR
2 stops21h 21m
Scandinavian Airlines
Deal found 3/28$859
This Scandinavian Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 9/1610:19 am
MSY
-
LHR
2 stops26h 11m
Scandinavian Airlines
Mon 9/216:40 am
LHR
-
MSY
2 stops21h 35m
Scandinavian Airlines
Deal found 3/27$860
This Iberia deal was found by Cheapflights users on 3/24. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:50 pm
MSY
-
LHR
Nonstop8h 50m
Iberia
Wed 9/236:30 am
LHR
-
MSY
2 stops20h 28m
Iberia
Deal found 3/24$863
This Iberia deal was found by Cheapflights users on 3/25. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/139:50 pm
MSY
-
LHR
Nonstop8h 50m
Iberia
Wed 9/236:30 am
LHR
-
MSY
2 stops20h 28m
Iberia
Deal found 3/25$864

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 March 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$807
(FlightHub)

One-way from

$304
(Expedia)

Popular in

June

Cheapest in

October

Average price

$783

Good round-trip deal

$898 or less

Good one-way deal

$507 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.
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From Louisiana to London Heathrow
Search Deals
One-way flight from Louisiana to London Heathrow
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($245 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Louisiana to London Heathrow.
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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 March 29, 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

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Mon 9/14

12:45 pm-9:40 pm

2 stops26h 55m

London Heathrow

Mon 9/21

6:40 am-11:29 pm

2 stops22h 49m

$807

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Mon 9/7

5:45 pm-11:35 am

1 stop11h 50m

London Heathrow

Fri 9/18

2:10 pm-3:35 pm

2 stops31h 25m

$835

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Sun 9/6

11:42 am-9:00 am

1 stop15h 18m

London Heathrow

Fri 9/18

8:55 am-8:23 pm

1 stop17h 28m

$845

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Sun 9/6

7:05 am-6:30 am

2 stops17h 25m

London Heathrow

Fri 9/18

7:45 am-7:25 pm

2 stops17h 40m

$858

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 9/16

10:19 am-7:15 am

1 stop14h 56m

London Heathrow

Wed 9/30

8:40 am-6:45 pm

2 stops16h 05m

$869
Quickest round-trip

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sun 5/3

3:54 pm-11:35 am

1 stop13h 41m

London Heathrow

Wed 5/13

12:15 pm-7:44 pm

1 stop13h 29m

$897

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Mon 9/14

6:40 pm-12:50 pm

1 stop12h 10m

London Heathrow

Mon 9/21

7:25 pm-10:43 pm

2 stops33h 18m

$903

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sun 8/16

11:18 am-7:10 am

1 stop13h 52m

London Heathrow

Wed 8/26

6:30 am-3:24 pm

2 stops14h 54m

$918

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Tue 9/15

1:48 pm-10:55 am

1 stop15h 07m

London Heathrow

Sat 9/26

4:25 pm-9:51 am

1 stop23h 26m

$932

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Thu 4/30

7:15 am-6:45 am

2 stops17h 30m

London Heathrow

Wed 5/6

7:25 am-7:41 pm

2 stops18h 16m

$933

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 51 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, October is the cheapest month in which you can book a flight from Louisiana to London Heathrow Airport (average of $110). Flying from Louisiana to London Heathrow Airport in June is currently the most expensive (average of $902). 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 March 29, 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?

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 Scandinavian Airlines, United Airlines, and British Airways fly from Louisiana to London Heathrow Airport in about 11h 50m. The time it takes to get you to your destination can typically vary by up to 15h 05m. 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 $361 and British Airways from $441 one-way.

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

    While some choose either Shreveport - London Heathrow or Baton Rouge Ryan - 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 (81%), Aer Lingus (81%) and Finnair (81%).

  • 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 $1,733, our data indicates the cheapest price to be $379. The most popular route (New Orleans Louis Armstrong - London Heathrow), is priced around $860.

  • 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, October is the cheapest month in which you can book a flight from Louisiana to London Heathrow Airport (average of $110). Flying from Louisiana to London Heathrow Airport in June is currently the most expensive (average of $902). 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
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton

Browse thousands of different options on Cheapflights for your next trip

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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 March 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$81Average$890FlexibilityNo cancel feeOn-time62%
DeltaCheapest$182Average$759FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$446Average$786FlexibilityNo cancel feeOn-time69%
IberiaCheapest$568Average$1,026FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$611Average$917FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$676Average$1,148FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$690Average$807FlexibilityNo cancel feeOn-time72%
FinnairCheapest$705Average$1,326FlexibilityNo cancel feeOn-time76%

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