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Heathrow

$255+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LHR
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:39 amBTR - LHR
1 stop18h 11mDelta
Thu 11/208:55 amLHR - BTR
2 stops18h 57mDelta
Deal found 10/28$591
This Virgin Atlantic deal was found by Cheapflights users on 10/30. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:44 amLFT - LHR
1 stop12h 41mVirgin Atlantic
Thu 12/116:30 amLHR - LFT
2 stops21h 37mVirgin Atlantic
Deal found 10/30$593
This Delta deal was found by Cheapflights users on 10/30. 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.
Tue 12/306:00 amLFT - LHR
2 stops19h 05mDelta
Thu 1/156:30 amLHR - LFT
2 stops20h 40mDelta
Deal found 10/30$597
This KLM deal was found by Cheapflights users on 10/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/112:21 pmBTR - LHR
1 stop12h 39mKLM
Thu 11/208:55 amLHR - BTR
1 stop15h 13mKLM
Deal found 10/28$599
This Delta deal was found by Cheapflights users on 10/30. 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.
Mon 12/295:29 pmLFT - LHR
1 stop32h 21mDelta
Fri 1/168:55 amLHR - LFT
1 stop13h 40mDelta
Deal found 10/30$599
This KLM deal was found by Cheapflights users on 10/30. 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 12/305:29 pmLFT - LHR
1 stop12h 11mKLM
Wed 1/1410:10 amLHR - LFT
2 stops17h 00mKLM
Deal found 10/30$603
This Delta deal was found by Cheapflights users on 10/30. 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.
Mon 12/295:29 pmLFT - LHR
1 stop30h 56mDelta
Wed 1/148:40 amLHR - LFT
2 stops18h 30mDelta
Deal found 10/30$621
This Delta deal was found by Cheapflights users on 10/30. 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.
Mon 12/295:29 pmLFT - LHR
1 stop30h 56mDelta
Sat 1/1710:45 amLHR - LFT
1 stop16h 25mDelta
Deal found 10/30$624
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1112:10 pmBTR - LHR
1 stop13h 20mUnited Airlines
Thu 11/2010:00 amLHR - BTR
1 stop13h 28mUnited Airlines
Deal found 10/28$649
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:15 amLFT - LHR
2 stops19h 55mUnited Airlines
Mon 1/1210:00 amLHR - LFT
1 stop13h 42mUnited Airlines
Deal found 10/30$649
This lastminute.com deal was found by Cheapflights users on 10/29. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:35 amMSY - LHR
1 stop28h 05mJetBlue
Mon 12/88:05 amLHR - MSY
1 stop32h 45mJetBlue
Deal found 10/29$650
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/89:00 amSHV - LHR
1 stop18h 40mUnited Airlines
Mon 12/1511:10 amLHR - SHV
2 stops39h 36mUnited Airlines
Deal found 10/29$658

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 October 30, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$591
(Delta)

One-way from

$255
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$706

Good round-trip deal

$702 or less

Good one-way deal

$458 or less
Provider with most accurate pricing for New Orleans Louis Armstrong-London (LON) flight deals.
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Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-London (LON) flights.
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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 ($233 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in October 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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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 October 30, 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

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Tue 11/11

7:39 am-7:50 am

1 stop18h 11m

London Heathrow

Thu 11/20

8:55 am-9:52 pm

2 stops18h 57m

$591

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Wed 12/3

11:44 am-6:25 am

1 stop12h 41m

London Heathrow

Thu 12/11

6:30 am-10:07 pm

2 stops21h 37m

$593

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Tue 12/30

6:00 am-7:05 am

2 stops19h 05m

London Heathrow

Thu 1/15

6:30 am-9:10 pm

2 stops20h 40m

$597

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Tue 11/11

2:21 pm-9:00 am

1 stop12h 39m

London Heathrow

Thu 11/20

8:55 am-6:08 pm

1 stop15h 13m

$599

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Mon 12/29

5:29 pm-6:25 am

1 stop30h 56m

London Heathrow

Tue 1/13

10:45 am-9:10 pm

1 stop16h 25m

$599

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Wed 12/31

1:30 pm-11:40 am

1 stop16h 10m

London Heathrow

Thu 1/15

12:30 pm-9:10 pm

1 stop14h 40m

$599

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Wed 12/31

1:30 pm-6:25 am

1 stop10h 55m

London Heathrow

Fri 1/16

12:30 pm-9:10 pm

1 stop14h 40m

$599

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Tue 12/30

5:29 pm-11:40 am

1 stop12h 11m

London Heathrow

Wed 1/14

10:10 am-9:10 pm

2 stops17h 00m

$603

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Mon 12/29

5:29 pm-6:25 am

1 stop30h 56m

London Heathrow

Sat 1/17

6:30 am-9:10 pm

2 stops20h 40m

$621

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Tue 12/30

6:00 am-11:40 am

1 stop23h 40m

London Heathrow

Sat 1/17

6:30 am-9:10 pm

2 stops20h 40m

$621

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 42 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, 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 $885). 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 October 30, 2025.

It’s optimal to fly from Louisiana to London Heathrow Airport in the morning. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Louisiana to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Louisiana to Heathrow. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Louisiana to London Heathrow Airport flight should consider departing on Saturday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 Delta, Virgin Atlantic, and KLM fly from Louisiana to London Heathrow Airport in about 12h 39m. The time it takes to get you to your destination can typically vary by up to 5h 32m. Airlines will cover a distance of 4625 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    While some choose either Baton Rouge Ryan - London Heathrow or Lafayette Regional - 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 $1,879, our data indicates the cheapest price to be $441. The most popular route (New Orleans Louis Armstrong - London Heathrow), is priced around $650.

  • 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 $885). 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
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone

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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.
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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$81Average$890FlexibilityNo cancel feeOn-time62%
DeltaCheapest$182Average$698FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$568Average$951FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$587Average$872FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$594Average$858FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$678Average$969FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$690Average$778FlexibilityNo cancel feeOn-time72%

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