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$305+ Cheap flights from New Orleans (MSY) 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LHR
Mar 12 — Mar 191
Thu 3/12
Thu 3/19
1 adult, Economy
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Cheapflights Tip: The best prices from New Orleans Louis Armstrong to London Heathrow are usually found in September or October, booked 26 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from New Orleans to Heathrow

Cheapest flights from New Orleans to Heathrow
Explore the most affordable flight options available from New Orleans to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 10, 2026.

This United Airlines deal was found by Cheapflights users on 2/10. 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.
Fri 10/1611:45 am
MSY
-
LHR
2 stops51h 15m
United Airlines
Mon 10/193:30 pm
LHR
-
MSY
2 stops36h 51m
United Airlines
Deal found 2/10$624
This Mytrip deal was found by Cheapflights users on 2/9. 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.
Tue 3/109:17 am
MSY
-
LHR
2 stops29h 13m
Multiple Airlines
Tue 3/1712:15 pm
LHR
-
MSY
2 stops16h 08m
Multiple Airlines
Deal found 2/9$652
This KAYAK deal was found by Cheapflights users on 2/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:00 am
MSY
-
LHR
1 stop18h 55m
JetBlue
Wed 3/47:25 am
LHR
-
MSY
1 stop15h 11m
JetBlue
Deal found 2/8$659
This Cheapflightsfares deal was found by Cheapflights users on 2/9. 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.
Tue 3/105:31 pm
MSY
-
LHR
1 stop10h 59m
JetBlue
Tue 3/177:25 am
LHR
-
MSY
1 stop15h 08m
JetBlue
Deal found 2/9$660
This KAYAK deal was found by Cheapflights users on 2/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:31 pm
MSY
-
LHR
1 stop10h 59m
JetBlue
Tue 3/179:20 am
LHR
-
MSY
1 stop29h 35m
JetBlue
Deal found 2/8$665
This Ovago deal was found by Cheapflights users on 2/7. 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 3/36:58 pm
MSY
-
LHR
1 stop29h 57m
JetBlue
Tue 3/107:25 am
LHR
-
MSY
1 stop14h 11m
JetBlue
Deal found 2/7$667
This Expedia deal was found by Cheapflights users on 2/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:31 pm
MSY
-
LHR
1 stop21h 14m
JetBlue
Mon 3/98:05 am
LHR
-
MSY
1 stop13h 31m
JetBlue
Deal found 2/7$681
This KAYAK deal was found by Cheapflights users on 2/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:31 pm
MSY
-
LHR
1 stop21h 14m
JetBlue
Sat 3/712:20 pm
LHR
-
MSY
1 stop33h 16m
JetBlue
Deal found 2/7$685
This United Airlines deal was found by Cheapflights users on 2/8. 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 3/117:00 am
MSY
-
LHR
2 stops17h 55m
United Airlines
Tue 3/176:50 am
LHR
-
MSY
2 stops18h 25m
United Airlines
Deal found 2/8$686

Find flight deals from New Orleans to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from New Orleans (MSY) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$652
(Mytrip)

One-way from

$305
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$914

Good round-trip deal

$721 or less

Good one-way deal

$379 or less
Provider with most accurate pricing for New Orleans Louis Armstrong-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-London Heathrow flights.
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From New Orleans Louis Armstrong to London Heathrow
Search Deals
One-way flight from New Orleans Louis Armstrong to London Heathrow
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($199 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from New Orleans Louis Armstrong to London Heathrow.
Search Deals
Price to beat on a one-way flight from New Orleans Louis Armstrong to London Heathrow.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from New Orleans 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 February 10, 2026.
Use the filters below to find and compare flights from New Orleans to London Heathrow Airport that are best for you.

Fly from

New Orleans

Fly to

Heathrow

Route

Depart

Return

Price

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 3/24

2:25 pm-11:15 am

1 stop15h 50m

London Heathrow

Tue 3/31

9:30 am-7:44 pm

2 stops40h 14m

$695

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 5/5

12:01 pm-9:20 am

2 stops15h 19m

London Heathrow

Tue 5/12

6:50 am-7:44 pm

2 stops18h 54m

$706

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Mon 3/2

2:25 pm-7:55 am

1 stop11h 30m

London Heathrow

Wed 3/11

12:05 pm-11:28 pm

2 stops16h 23m

$715

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 3/4

2:13 pm-7:30 am

1 stop11h 17m

London Heathrow

Thu 3/12

10:00 am-7:47 pm

1 stop14h 47m

$715

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Mon 4/13

2:14 pm-7:40 am

1 stop11h 26m

London Heathrow

Tue 4/28

8:30 am-5:03 pm

1 stop14h 33m

$731

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 4/14

2:14 pm-7:40 am

1 stop11h 26m

London Heathrow

Tue 4/28

8:30 am-5:03 pm

1 stop14h 33m

$731

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 4/15

3:29 pm-11:20 am

1 stop13h 51m

London Heathrow

Thu 4/30

3:15 pm-11:35 pm

1 stop14h 20m

$732

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Fri 3/6

2:40 pm-9:40 am

1 stop13h 00m

London Heathrow

Fri 3/13

6:50 am-7:48 pm

2 stops17h 58m

$736

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Thu 4/2

7:07 pm-1:15 pm

1 stop12h 08m

London Heathrow

Wed 4/8

6:30 am-8:15 pm

2 stops19h 45m

$752

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Fri 5/1

1:16 pm-6:25 am

1 stop11h 09m

London Heathrow

Fri 5/15

6:30 am-3:59 pm

2 stops15h 29m

$752

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 22 results
1
2
3

Compare providers for flights from New Orleans to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from New Orleans to Heathrow in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on New Orleans-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on New Orleans-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New Orleans-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New Orleans-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for New Orleans-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from New Orleans to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from New Orleans 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 New Orleans to London Heathrow Airport

How far ahead should I book a flight from New Orleans to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from New Orleans to Heathrow. Price data was last updated on February 6, 2026.

The price you pay for your flight from New Orleans to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 26 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from New Orleans to London Heathrow Airport?

Currently, October is the cheapest month in which you can book a flight from New Orleans to London Heathrow Airport (average of $110). Flying from New Orleans to London Heathrow Airport in June is currently the most expensive (average of $879). 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 MSY to LHR?

Find hourly flight availability from New Orleans 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 February 10, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from New Orleans to London Heathrow Airport as you normally would.

The best insider tips for New Orleans to London Heathrow Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your New Orleans to London Heathrow Airport trip
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on MSY

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 February 10, 2026.
Read through reviews of airlines operating flights from New Orleans to London Heathrow Airport, such as Delta, American Airlines, and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,178 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,178 reviews
Delta
7.9
Good
8,178 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,258 reviews
Delta
7.9
Good
8,178 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
JetBlue
7.2
Good
2,892 reviews
Delta
7.9
Good
8,178 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Iberia
7.0
Good
3,110 reviews
Delta
7.9
Good
8,178 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,724 reviews
Delta
7.9
Good
8,178 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from New Orleans to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from New Orleans to London Heathrow?

    Located just 11.4 mi from the city center, New Orleans Louis Armstrong is the airport most travelers will use when flying to London Heathrow from New Orleans. Booking flights from Louis Armstrong (MSY) to London Heathrow should be relatively easy as there are 2 daily outbound flights to London Heathrow from 8 different airlines.

  • How long is the flight from New Orleans to London Heathrow Airport?

    A quick flight from New Orleans to London Heathrow Airport can take about 15h 50m. United Airlines provides one of the quickest options available for as low as $695. There are 4617 mi between New Orleans and London Heathrow Airport.

  • What are the cheapest airlines flying from New Orleans to London Heathrow Airport round-trip?

    Our cheapest airline available from New Orleans to London Heathrow Airport is JetBlue. Our recent data shows that you can find tickets from as low as $81 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $182 and $446 round-trip. JetBlue is 90% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from New Orleans to London Heathrow Airport one-way?

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $324. However, be on the lookout for offers from Iberia and British Airways, as they are both options that can get you from New Orleans to London Heathrow Airport for a low price.

  • What are the most reliable airlines from New Orleans to London Heathrow Airport?

    Before booking your flight to London Heathrow Airport from New Orleans, check out the most reliable airlines to get you to your destination on time: American Airlines (77%), Aer Lingus (77%), Finnair( 77%).

  • What are the cheapest flights from New Orleans to London Heathrow Airport?

    Looking at all options, your cheapest flight can be booked for $322. While the most popular route (New Orleans Louis Armstrong - London Heathrow) can be booked for $652 on average, our data indicates $1,674 when flying from New Orleans to London Heathrow Airport.

  • Can I find deals for flights from New Orleans to Heathrow that include hotel bookings?

    Yes. In addition to deals on New Orleans to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New Orleans to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Orleans to Heathrow.

  • Can I find deals for business class flights from New Orleans to Heathrow?

    Yes. Cheapflights offers flight deals from New Orleans 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 New Orleans to London Heathrow Airport?

    Currently, October is the cheapest month in which you can book a flight from New Orleans to London Heathrow Airport (average of $110). Flying from New Orleans to London Heathrow Airport in June is currently the most expensive (average of $879). 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
Ilford
Croydon
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from New Orleans to Heathrow

Discover the top 8 airlines that operate flights from New Orleans 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 February 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$81Average$909FlexibilityNo cancel feeOn-time62%
DeltaCheapest$182Average$698FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$446Average$791FlexibilityNo cancel feeOn-time69%
IberiaCheapest$568Average$986FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$583Average$891FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$641Average$942FlexibilityNo cancel feeOn-time71%
FinnairCheapest$705Average$1,326FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$720Average$800FlexibilityNo cancel feeOn-time72%

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