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$344+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LHR
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$638
(JetBlue)

One-way from

$369
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$815

Good round-trip deal

$897 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. 18% potential increase in price ($205 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This JetBlue deal was found by Cheapflights users on 3/30. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:00 amMSY - LHR
1 stop18h 30mJetBlue
Wed 5/78:25 amLHR - MSY
1 stop16h 13mJetBlue
Deal found 3/30$638
This Mytrip deal was found by Cheapflights users on 3/30. 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 4/308:57 amMSY - LHR
2 stops20h 58mMultiple Airlines
Wed 5/77:40 amLHR - MSY
3 stops29h 22mMultiple Airlines
Deal found 3/30$640
This FlightHub deal was found by Cheapflights users on 3/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/112:45 pmSHV - LHR
2 stops26h 55mScandinavian Airlines
Mon 9/156:40 amLHR - SHV
2 stops22h 42mScandinavian Airlines
Deal found 3/31$682
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/288:09 pmMSY - LHR
1 stop12h 16mBritish Airways
Thu 10/94:05 pmLHR - MSY
Nonstop9h 55mBritish Airways
Deal found 3/30$698
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/79:50 pmMSY - LHR
Nonstop8h 50mIberia
Wed 5/214:05 pmLHR - MSY
Nonstop9h 55mIberia
Deal found 3/30$701
This United Airlines deal was found by Cheapflights users on 3/30. 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 4/3010:39 amMSY - LHR
1 stop13h 41mUnited Airlines
Tue 5/62:05 pmLHR - MSY
2 stops29h 17mUnited Airlines
Deal found 3/30$714
This Air Canada deal was found by Cheapflights users on 3/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/303:25 pmMSY - LHR
1 stop14h 25mAir Canada
Wed 5/72:05 pmLHR - MSY
2 stops35h 33mAir Canada
Deal found 3/30$716
This Delta deal was found by Cheapflights users on 3/31. 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.
Wed 4/2312:59 pmMSY - LHR
1 stop11h 46mDelta
Thu 5/811:45 amLHR - MSY
2 stops17h 46mDelta
Deal found 3/31$723
This KLM deal was found by Cheapflights users on 3/30. 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 4/295:40 pmMSY - LHR
1 stop11h 30mKLM
Thu 5/83:15 pmLHR - MSY
1 stop12h 51mKLM
Deal found 3/30$737
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Mon 9/225:20 amBTR - LHR
2 stops22h 40mUnited Airlines
Wed 10/18:30 amLHR - BTR
2 stops34h 57mUnited Airlines
Deal found 3/30$766
This lastminute.com deal was found by Cheapflights users on 3/31. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2411:36 amMSY - LHR
1 stop15h 19mVirgin Atlantic
Wed 5/71:05 pmLHR - MSY
1 stop12h 25mVirgin Atlantic
Deal found 3/31$775
This Finnair deal was found by Cheapflights users on 3/31. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/241:46 pmMSY - LHR
1 stop15h 04mFinnair
Wed 5/73:10 pmLHR - MSY
1 stop15h 05mFinnair
Deal found 3/31$781

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 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

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Thu 4/24

6:00 am-6:30 am

1 stop18h 30m

London Heathrow

Wed 5/7

8:25 am-6:38 pm

1 stop16h 13m

$638

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 4/30

8:57 am-11:55 am

2 stops20h 58m

London Heathrow

Wed 5/7

7:40 am-7:02 am

3 stops29h 22m

$640

ShreveportLondon

SHV - LHR

SHVLHR

Shreveport

Mon 9/1

12:45 pm-9:40 pm

2 stops26h 55m

London Heathrow

Mon 9/15

6:40 am-11:22 pm

2 stops22h 42m

$682

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 5/7

9:50 pm-12:40 pm

Nonstop8h 50m

London Heathrow

Wed 5/21

4:05 pm-8:00 pm

Nonstop9h 55m

$701

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 4/30

10:39 am-6:20 am

1 stop13h 41m

London Heathrow

Tue 5/6

2:05 pm-1:22 pm

2 stops29h 17m

$714

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 4/30

3:25 pm-11:50 am

1 stop14h 25m

London Heathrow

Wed 5/7

2:05 pm-7:38 pm

2 stops35h 33m

$716

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 4/23

12:59 pm-6:45 am

1 stop11h 46m

London Heathrow

Thu 5/8

11:45 am-11:31 pm

2 stops17h 46m

$723

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 4/29

5:40 pm-11:10 am

1 stop11h 30m

London Heathrow

Thu 5/8

3:15 pm-10:06 pm

1 stop12h 51m

$737

Baton RougeLondon

BTR - LHR

BTRLHR

Baton Rouge Ryan

Mon 9/22

5:20 am-10:00 am

2 stops22h 40m

London Heathrow

Wed 10/1

8:30 am-1:27 pm

2 stops34h 57m

$766

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Thu 4/24

11:36 am-8:55 am

1 stop15h 19m

London Heathrow

Wed 5/7

1:05 pm-7:30 pm

1 stop12h 25m

$775

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 48 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 March 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.

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 March 31, 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
7,899 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

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
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

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.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

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
770 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

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.
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

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 $390 on JetBlue. Other airlines that offer cheap prices include British Airways from $451 and United Airlines from $466 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 (56%), Aer Lingus (56%) and Finnair (56%).

  • 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 $2,324, our data indicates the cheapest price to be $461. The most popular route (New Orleans Louis Armstrong - London Heathrow), is priced around $638.

  • 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
Hounslow
Hayes
Thornton Heath
Luton
Wembley
Harrow
Horley
Canterbury
Dover
Gatwick
Orpington
Watford
Milton Keynes
Northampton
Stratford-upon-Avon
Croydon
Borehamwood
Folkestone
Ilford
Broadway

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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 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 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$496Average$769FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$562Average$829FlexibilityNo cancel feeOn-time62%
IberiaCheapest$598Average$861FlexibilityNo cancel feeOn-time77%
FinnairCheapest$598Average$782FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$608Average$1,048FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$693Average$1,076FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$722Average$841FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$728Average$1,161FlexibilityNo cancel feeOn-time69%
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