HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$293+ 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LHR
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisiana to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$693
(Finnair)

One-way from

$293
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$830

Good round-trip deal

$867 or less

Good one-way deal

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

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 30, 2025.

This JetBlue deal was found by Cheapflights users on 4/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/812:36 pmMSY - LHR
1 stop11h 54mJetBlue
Wed 5/218:25 amLHR - MSY
1 stop16h 13mJetBlue
Deal found 4/28$684
This Finnair deal was found by Cheapflights users on 4/29. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:15 pmMSY - LHR
1 stop14h 10mFinnair
Fri 8/224:05 pmLHR - MSY
Nonstop9h 50mFinnair
Deal found 4/29$693
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/109:55 pmMSY - LHR
Nonstop8h 45mBritish Airways
Wed 8/204:05 pmLHR - MSY
Nonstop9h 50mBritish Airways
Deal found 4/29$699
This Delta deal was found by Cheapflights users on 4/29. 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 8/2612:45 pmSHV - LHR
1 stop12h 00mDelta
Thu 9/46:15 amLHR - SHV
2 stops20h 02mDelta
Deal found 4/29$699
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/199:50 pmMSY - LHR
Nonstop8h 50mIberia
Sat 11/11:35 pmLHR - MSY
Nonstop10h 20mIberia
Deal found 4/29$709
This Air Canada deal was found by Cheapflights users on 4/29. 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 8/1811:55 amMSY - LHR
2 stops36h 35mMultiple Airlines
Thu 9/49:30 amLHR - MSY
2 stops31h 32mMultiple Airlines
Deal found 4/29$715
This Delta deal was found by Cheapflights users on 4/29. 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 8/273:25 pmMSY - LHR
2 stops14h 00mDelta
Sun 8/311:05 pmLHR - MSY
1 stop13h 34mDelta
Deal found 4/29$717
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 8/1910:15 amMSY - LHR
2 stops14h 40mUnited Airlines
Tue 8/263:50 pmLHR - MSY
2 stops27h 27mUnited Airlines
Deal found 4/29$726
This Orbitz deal was found by Cheapflights users on 4/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:58 pmMSY - LHR
2 stops43h 02mAir Canada
Mon 10/2011:05 amLHR - MSY
2 stops53h 57mAir Canada
Deal found 4/28$752
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 8/2712:20 pmSHV - LHR
1 stop17h 15mUnited Airlines
Tue 9/92:05 pmLHR - SHV
2 stops36h 44mUnited Airlines
Deal found 4/29$765
This United Airlines deal was found by Cheapflights users on 4/29. 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 9/2212:16 pmBTR - LHR
1 stop13h 24mUnited Airlines
Wed 10/12:10 pmLHR - BTR
2 stops37h 00mUnited Airlines
Deal found 4/29$765
This British Airways deal was found by Cheapflights users on 4/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/114:25 pmBTR - LHR
1 stop12h 25mBritish Airways
Fri 8/226:10 amLHR - BTR
2 stops20h 02mBritish Airways
Deal found 4/29$767

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 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

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Thu 5/8

12:36 pm-6:30 am

1 stop11h 54m

London Heathrow

Wed 5/21

8:25 am-6:38 pm

1 stop16h 13m

$684

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Tue 8/26

12:45 pm-6:45 am

1 stop12h 00m

London Heathrow

Thu 9/4

6:15 am-8:17 pm

2 stops20h 02m

$699

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Wed 8/27

12:20 pm-11:35 am

1 stop17h 15m

London Heathrow

Tue 9/9

2:05 pm-8:49 pm

2 stops36h 44m

$765

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Mon 9/22

12:16 pm-7:40 am

1 stop13h 24m

London Heathrow

Wed 10/1

2:10 pm-9:10 pm

2 stops37h 00m

$765

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Mon 8/11

4:25 pm-10:50 am

1 stop12h 25m

London Heathrow

Fri 8/22

6:10 am-8:12 pm

2 stops20h 02m

$767

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Sat 10/18

12:22 pm-6:30 am

2 stops36h 08m

London Heathrow

Fri 10/31

3:00 pm-5:31 pm

2 stops31h 31m

$777

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Mon 8/11

10:31 am-7:15 am

2 stops14h 44m

London Heathrow

Fri 8/22

8:40 am-9:58 pm

2 stops19h 18m

$778

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Fri 5/2

8:57 am-5:50 pm

2 stops26h 53m

London Heathrow

Sun 5/4

9:30 am-7:59 am

2 stops28h 29m

$787

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Mon 9/22

10:30 am-6:45 am

1 stop14h 15m

London Heathrow

Wed 10/1

9:20 am-10:00 pm

1 stop18h 40m

$788

LafayetteLondon

LFT - LHR

LFTLHR

Lafayette Regional

Mon 8/11

6:27 pm-12:30 pm

1 stop12h 03m

London Heathrow

Fri 8/22

10:30 am-5:57 pm

1 stop13h 27m

$788

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 51 results
1
2
3
...
6

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 30, 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 30, 2025.
See what other customers who have flown with Delta, KLM and Finnair 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
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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.
Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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 $394 on JetBlue. Other airlines that offer cheap prices include Aer Lingus from $481 and Scandinavian Airlines from $528 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 (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 $2,175, our data indicates the cheapest price to be $361. The most popular route (New Orleans Louis Armstrong - London Heathrow), is priced around $649.

  • 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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
LaGuardia to Heathrow flights
Boston to Heathrow flights
John F Kennedy Intl to London City flights
Dulles Intl to Heathrow flights
Newark to Gatwick flights
Los Angeles to Heathrow flights
San Francisco to Heathrow flights
Seattle to Heathrow flights
Baltimore to Heathrow flights
O'Hare Intl to Heathrow flights
LaGuardia to Gatwick flights
Dallas/Fort Worth to Heathrow flights
Boston to Gatwick flights
Newark to London City flights
Atlanta to Heathrow flights
John F Kennedy Intl to Stansted flights
Orlando to Heathrow flights
Denver to Heathrow flights
Miami to Heathrow flights
Reagan-National to Heathrow flights
Boston to London City flights
Hobby to Heathrow flights
Dulles Intl to Gatwick flights
Dulles Intl to London City flights
Los Angeles to London City flights
Philadelphia to Heathrow flights
Stewart to Stansted flights
John F Kennedy Intl to Luton flights
Reagan-National to Gatwick flights
George Bush Intcntl to Heathrow flights
Tampa to Heathrow flights
Baltimore to Gatwick flights
Seattle to Gatwick flights
San Francisco to Gatwick flights
Austin to Heathrow flights
San Francisco to London City flights
Sky Harbor Intl to Heathrow flights
Los Angeles to Gatwick flights
O'Hare Intl to Gatwick flights
Portland to Heathrow flights
Minneapolis to Heathrow flights
Los Angeles to Luton flights
Orlando to Gatwick flights
Charlotte to Heathrow flights
O'Hare Intl to London City flights
Raleigh to Heathrow flights
Dallas/Fort Worth to Gatwick flights

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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$496Average$769FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$562Average$838FlexibilityNo cancel feeOn-time62%
IberiaCheapest$587Average$861FlexibilityNo cancel feeOn-time77%
FinnairCheapest$598Average$782FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$601Average$957FlexibilityNo 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%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.