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Heathrow

$290+ 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
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Louisiana to Heathrow

Keep the following information in mind while searching for Louisiana to Heathrow flight deals. Data was last updated July 31, 2025.

Round-trip from

$522
(Delta)

One-way from

$283
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,062

Good round-trip deal

$715 or less

Good one-way deal

$520 or less
From Louisiana to London Heathrow
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One-way flight from Louisiana to London Heathrow
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Highest demand for flights based on searches. 21% potential increase in price ($229 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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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Find 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 July 31, 2025.

This Delta deal was found by Cheapflights users on 7/31. 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.
Sun 9/145:49 pmMLU - LHR
1 stop11h 21mDelta
Tue 9/239:00 amLHR - MLU
2 stops19h 01mDelta
Deal found 7/31$522
This Delta deal was found by Cheapflights users on 7/30. 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 11/266:00 amBTR - LHR
1 stop18h 25mDelta
Thu 12/49:00 amLHR - BTR
2 stops19h 00mDelta
Deal found 7/30$522
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1912:45 pmSHV - LHR
1 stop18h 45mDelta
Tue 8/266:15 amLHR - SHV
2 stops18h 29mDelta
Deal found 7/29$523
This KLM deal was found by Cheapflights users on 7/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1912:45 pmSHV - LHR
1 stop12h 00mKLM
Tue 8/266:30 amLHR - SHV
2 stops15h 06mKLM
Deal found 7/30$524
This KLM deal was found by Cheapflights users on 7/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1412:53 pmMLU - LHR
1 stop11h 52mKLM
Tue 9/231:05 pmLHR - MLU
1 stop14h 56mKLM
Deal found 7/31$529
This KLM deal was found by Cheapflights users on 7/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2210:27 amBTR - LHR
1 stop14h 18mKLM
Wed 10/19:20 amLHR - BTR
1 stop15h 01mKLM
Deal found 7/29$530
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/85:45 pmLFT - LHR
1 stop13h 45mDelta
Mon 10/208:40 amLHR - LFT
2 stops19h 46mDelta
Deal found 7/29$574
This Ovago deal was found by Cheapflights users on 7/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/72:54 pmMSY - LHR
1 stop12h 11mBritish Airways
Tue 10/149:55 amLHR - MSY
1 stop13h 53mBritish Airways
Deal found 7/29$579
This lol.travel deal was found by Cheapflights users on 7/29. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/212:36 pmMSY - LHR
1 stop13h 04mUnited Airlines
Wed 9/312:00 pmLHR - MSY
1 stop12h 52mUnited Airlines
Deal found 7/29$580
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2610:55 amMSY - LHR
2 stops14h 20mDelta
Tue 9/166:15 amLHR - MSY
2 stops18h 23mDelta
Deal found 7/29$581
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/137:00 amMSY - LHR
2 stops17h 30mMultiple Airlines
Wed 8/209:30 amLHR - MSY
2 stops15h 43mMultiple Airlines
Deal found 7/30$582
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/611:55 amMSY - LHR
2 stops15h 40mAir Canada
Thu 10/163:50 pmLHR - MSY
1 stop25h 12mAir Canada
Deal found 7/29$583

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 July 31, 2025.
Use the filters below to find and compare flights from Louisiana to London Heathrow Airport that are best for you.

Fly from

Louisiana

Fly to

Heathrow

Route

Depart

Return

Price

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Sun 9/14

5:49 pm-11:10 am

1 stop11h 21m

London Heathrow

Tue 9/23

9:00 am-10:01 pm

2 stops19h 01m

$522

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Wed 11/26

6:00 am-6:25 am

1 stop18h 25m

London Heathrow

Thu 12/4

9:00 am-10:00 pm

2 stops19h 00m

$522

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Tue 8/19

12:45 pm-1:30 pm

1 stop18h 45m

London Heathrow

Tue 8/26

6:15 am-6:44 pm

2 stops18h 29m

$523

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Tue 8/19

12:45 pm-6:45 am

1 stop12h 00m

London Heathrow

Tue 8/26

6:30 am-3:36 pm

2 stops15h 06m

$524

MonroeLondon

MLU - LHR

MLULHR

Monroe Huenefeld

Sun 9/14

12:53 pm-6:45 am

1 stop11h 52m

London Heathrow

Tue 9/23

1:05 pm-10:01 pm

1 stop14h 56m

$529

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Mon 9/22

10:27 am-6:45 am

1 stop14h 18m

London Heathrow

Wed 10/1

9:20 am-6:21 pm

1 stop15h 01m

$530

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Wed 10/8

5:45 pm-1:30 pm

1 stop13h 45m

London Heathrow

Mon 10/20

8:40 am-10:26 pm

2 stops19h 46m

$574

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 10/7

2:54 pm-9:05 am

1 stop12h 11m

London Heathrow

Wed 10/15

9:55 am-5:48 pm

1 stop13h 53m

$579

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Thu 8/21

2:36 pm-9:40 am

1 stop13h 04m

London Heathrow

Wed 9/3

12:00 pm-6:52 pm

1 stop12h 52m

$580

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 8/26

10:55 am-7:15 am

2 stops14h 20m

London Heathrow

Tue 9/16

6:15 am-6:38 pm

2 stops18h 23m

$581

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 49 results
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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 $661). Flying from Louisiana to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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 July 31, 2025.

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?

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated July 31, 2025.
Get a feel of what it's like to fly with Delta, KLM, and United Airlines from Louisiana to London Heathrow Airport by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.4
Good
1,457 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection 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.

  • 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 $319 on JetBlue. Other airlines that offer cheap prices include United Airlines from $392 and Air Canada from $394 one-way.

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

    While some choose either Lafayette Regional - 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 (77%), Aer Lingus (77%) and Finnair (77%).

  • 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 $1,830, our data indicates the cheapest price to be $441. The most popular route (New Orleans Louis Armstrong - London Heathrow), is priced around $561.

  • 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 $661). Flying from Louisiana to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dover
Stratford-upon-Avon
Orpington
Watford
Northampton
Gatwick
Borehamwood
Dartford
Broadway
Aylesbury
Chelmsford
Folkestone
Southend-on-Sea
Chichester
Swindon

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Louisiana to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
John F Kennedy Intl to London City flights
Newark to Gatwick flights
LaGuardia to Heathrow flights
Newark to London City flights
John F Kennedy Intl to Stansted flights
LaGuardia to Gatwick flights
Boston to Heathrow flights
O'Hare Intl to Heathrow flights
John F Kennedy Intl to Luton flights
Dulles Intl to Heathrow flights
Los Angeles to Heathrow flights
Newark to Stansted flights
San Francisco to Heathrow flights
Seattle to Heathrow flights
Baltimore to Heathrow flights
Newark to Luton flights
Dallas/Fort Worth to Heathrow flights
Miami to Heathrow flights
Boston to Gatwick flights
Philadelphia to Heathrow flights
Atlanta to Heathrow flights
Orlando to Heathrow flights
Hobby to Heathrow flights
Reagan-National to Heathrow flights
Denver to Heathrow flights
O'Hare Intl to Gatwick flights
Boston to London City flights
Dulles Intl to Gatwick flights
O'Hare Intl to London City flights
Dulles Intl to London City flights
Seattle to Gatwick flights
Los Angeles to London City flights
Baltimore to Gatwick flights
San Francisco to Gatwick flights
LaGuardia to Stansted flights
Reagan-National to Gatwick flights
George Bush Intcntl to Heathrow flights
San Francisco to London City flights
Dallas/Fort Worth to Gatwick flights
Los Angeles to Gatwick flights
Orlando to Gatwick flights
Seattle to London City flights
Minneapolis to Heathrow flights
Tampa to Heathrow flights
Midway to Heathrow flights
Charlotte to Heathrow flights
Detroit to Heathrow flights

Top 7 airlines flying from Louisiana to Heathrow

Discover the top 7 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$81Average$799FlexibilityNo cancel feeOn-time62%
DeltaCheapest$182Average$722FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$582Average$877FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$601Average$855FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$637Average$872FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$678Average$942FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$690Average$777FlexibilityNo cancel feeOn-time72%

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