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$398+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LHR
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$648
(JetBlue)

One-way from

$398
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$824

Good round-trip deal

$881 or less

Good one-way deal

$557 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. 16% potential increase in price ($180 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 24, 2025.

This JetBlue deal was found by Cheapflights users on 4/22. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/3012:07 pmMSY - LHR
1 stop12h 23mJetBlue
Wed 5/78:15 amLHR - MSY
1 stop14h 44mJetBlue
Deal found 4/22$648
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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.
Wed 10/19:50 pmMSY - LHR
Nonstop8h 50mBritish Airways
Wed 10/84:05 pmLHR - MSY
Nonstop9h 55mBritish Airways
Deal found 4/22$699
This StudentUniverse deal was found by Cheapflights users on 4/23. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/72:06 pmMSY - LHR
1 stop12h 54mFinnair
Tue 10/214:10 pmLHR - MSY
2 stops31h 50mFinnair
Deal found 4/23$709
This Air Canada deal was found by Cheapflights users on 4/23. 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 8/1811:55 amMSY - LHR
2 stops36h 35mMultiple Airlines
Thu 9/49:30 amLHR - MSY
2 stops31h 32mMultiple Airlines
Deal found 4/23$716
This Air Canada deal was found by Cheapflights users on 4/22. 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 10/65:15 amMSY - LHR
2 stops22h 20mAir Canada
Tue 10/215:40 pmLHR - MSY
2 stops29h 55mAir Canada
Deal found 4/22$726
This United Airlines deal was found by Cheapflights users on 4/22. 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 10/65:15 amMSY - LHR
1 stop24h 20mUnited Airlines
Tue 10/215:40 pmLHR - MSY
1 stop23h 22mUnited Airlines
Deal found 4/22$727
This Lufthansa deal was found by Cheapflights users on 4/22. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1511:55 amMSY - LHR
2 stops16h 05mLufthansa
Tue 10/219:30 amLHR - MSY
2 stops15h 43mLufthansa
Deal found 4/22$732
This Delta deal was found by Cheapflights users on 4/23. 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 8/191:05 pmMSY - LHR
2 stops15h 55mDelta
Tue 8/2611:45 amLHR - MSY
2 stops17h 37mDelta
Deal found 4/23$733
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Wed 8/277:35 amSHV - LHR
2 stops16h 55mUnited Airlines
Tue 9/92:05 pmLHR - SHV
2 stops36h 44mUnited Airlines
Deal found 4/24$765
This United Airlines deal was found by Cheapflights users on 4/22. 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 10/184:07 pmLFT - LHR
2 stops32h 23mUnited Airlines
Fri 10/311:00 pmLHR - LFT
2 stops37h 31mUnited Airlines
Deal found 4/22$770
This United Airlines deal was found by Cheapflights users on 4/23. 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 9/227:00 amBTR - LHR
2 stops21h 00mUnited Airlines
Wed 10/13:50 pmLHR - BTR
2 stops35h 20mUnited Airlines
Deal found 4/23$772
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2712:45 pmSHV - LHR
1 stop18h 45mDelta
Tue 9/98:40 amLHR - SHV
2 stops20h 48mDelta
Deal found 4/24$775

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 April 24, 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

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 4/30

12:07 pm-6:30 am

1 stop12h 23m

London Heathrow

Wed 5/7

8:15 am-4:59 pm

1 stop14h 44m

$648

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Wed 8/27

7:35 am-6:30 am

2 stops16h 55m

London Heathrow

Tue 9/9

2:05 pm-8:49 pm

2 stops36h 44m

$765

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Sat 10/18

4:07 pm-6:30 am

2 stops32h 23m

London Heathrow

Fri 10/31

1:00 pm-9:31 pm

2 stops37h 31m

$770

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Mon 9/22

7:00 am-10:00 am

2 stops21h 00m

London Heathrow

Wed 10/1

3:50 pm-9:10 pm

2 stops35h 20m

$772

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Wed 8/27

12:45 pm-1:30 pm

1 stop18h 45m

London Heathrow

Tue 9/9

8:40 am-11:28 pm

2 stops20h 48m

$775

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Thu 5/1

4:04 pm-6:30 am

2 stops32h 26m

London Heathrow

Wed 5/7

1:45 pm-2:56 pm

2 stops31h 11m

$777

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Wed 8/27

5:30 pm-1:30 pm

1 stop14h 00m

London Heathrow

Tue 9/9

9:20 am-8:24 pm

1 stop17h 04m

$788

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Mon 9/22

7:00 pm-1:30 pm

1 stop12h 30m

London Heathrow

Wed 10/1

9:20 am-10:00 pm

1 stop18h 40m

$789

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Mon 9/1

12:31 pm-3:20 pm

2 stops20h 49m

London Heathrow

Mon 9/15

10:20 am-10:01 pm

2 stops41h 41m

$792

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Sat 10/18

7:56 pm-6:25 am

1 stop28h 29m

London Heathrow

Fri 10/31

11:55 am-10:23 pm

1 stop15h 28m

$793

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 46 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 $1,110). 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?

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 April 24, 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 April 24, 2025.
See what other customers who have flown with Delta, KLM and Austrian Airlines from Louisiana to London have to say. 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
7,920 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $426 on JetBlue. Other airlines that offer cheap prices include Air Canada from $473 and Aer Lingus from $508 one-way.

  • 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 (51%), Aer Lingus (51%) and Finnair (51%).

  • 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 $2,207, our data indicates the cheapest price to be $444. The most popular route (New Orleans Louis Armstrong - London Heathrow), is priced around $648.

  • 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 $1,110). 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

Traveling to a place near Louisiana?

Book flights to Louisiana if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Folkestone
Ilford
Broadway
Aylesbury

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.
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San Francisco to London City flights
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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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$496Average$769FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$562Average$819FlexibilityNo cancel feeOn-time62%
IberiaCheapest$587Average$849FlexibilityNo cancel feeOn-time77%
FinnairCheapest$598Average$782FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$601Average$959FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$678Average$1,043FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$722Average$839FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$728Average$1,161FlexibilityNo cancel feeOn-time69%

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