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$339+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LHR
May 21 — May 281
Thu 5/21
Thu 5/28
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 71 days in advance, depart on a Tuesday or Friday 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 April 21, 2026.

This Expedia deal was found by Cheapflights users on 4/17. 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.
Sun 10/119:50 pm
MSY
-
LHR
Nonstop8h 50m
Iberia
Wed 10/146:15 am
LHR
-
MSY
2 stops23h 20m
Iberia
Deal found 4/17$898
This Iberia deal was found by Cheapflights users on 4/16. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/139:50 pm
MSY
-
LHR
Nonstop8h 50m
Iberia
Wed 9/236:30 am
LHR
-
MSY
2 stops20h 28m
Iberia
Deal found 4/16$901
This Iberia deal was found by Cheapflights users on 4/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:01 pm
MSY
-
LHR
1 stop14h 24m
Iberia
Tue 8/2511:30 am
LHR
-
MSY
2 stops17h 23m
Iberia
Deal found 4/20$902
This Expedia deal was found by Cheapflights users on 4/16. 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.
Sun 9/69:50 pm
MSY
-
LHR
Nonstop8h 50m
Iberia
Thu 9/109:15 am
LHR
-
MSY
2 stops41h 43m
Iberia
Deal found 4/16$903
This Delta deal was found by Cheapflights users on 4/16. 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.
Sun 9/135:30 am
MSY
-
LHR
1 stop18h 55m
Delta
Wed 9/239:55 am
LHR
-
MSY
2 stops16h 44m
Delta
Deal found 4/16$905
This Cheapflightsfares deal was found by Cheapflights users on 4/16. 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 8/169:50 pm
MSY
-
LHR
Nonstop8h 50m
British Airways
Wed 8/264:00 pm
LHR
-
MSY
Nonstop10h 00m
British Airways
Deal found 4/16$907
This The Travel House deal was found by Cheapflights users on 4/16. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:00 am
MSY
-
LHR
1 stop18h 30m
JetBlue
Fri 5/811:55 am
LHR
-
MSY
1 stop29h 02m
JetBlue
Deal found 4/16$912
This Mytrip deal was found by Cheapflights users on 4/19. 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 5/137:00 am
MSY
-
LHR
3 stops31h 20m
Multiple Airlines
Wed 5/271:05 pm
LHR
-
MSY
3 stops33h 19m
Multiple Airlines
Deal found 4/19$916
This Cheapflightsfares deal was found by Cheapflights users on 4/16. 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 9/139:50 pm
MSY
-
LHR
Nonstop8h 50m
British Airways
Wed 9/239:15 am
LHR
-
MSY
1 stop14h 06m
British Airways
Deal found 4/16$917

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 April 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$898
(Expedia)

One-way from

$339
(Cheapflightsfares)

Popular in

June

Cheapest in

September

Average price

$857

Good round-trip deal

$1,018 or less

Good one-way deal

$570 or less
Provider with most accurate pricing for New Orleans Louis Armstrong-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-London Heathrow flights.
Search Deals
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. 24% potential increase in price ($292 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 21, 2026.
Use the filters below to find and compare flights from New Orleans to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 10/14

10:19 am-8:50 am

1 stop16h 31m

London Heathrow

Wed 10/21

8:40 am-6:43 pm

2 stops16h 03m

$907
Quickest round-trip

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 9/29

11:25 am-7:15 am

1 stop13h 50m

London Heathrow

Wed 10/7

8:40 am-6:43 pm

2 stops16h 03m

$907

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sat 9/5

7:40 pm-8:10 pm

1 stop18h 30m

London Heathrow

Wed 9/16

11:15 am-6:48 pm

1 stop13h 33m

$935

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sat 10/10

7:40 pm-8:10 pm

1 stop18h 30m

London Heathrow

Sat 10/17

11:15 am-6:54 pm

1 stop13h 39m

$985

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sun 8/16

10:19 am-6:45 am

1 stop14h 26m

London Heathrow

Wed 8/26

9:55 am-8:39 pm

2 stops16h 44m

$1,035

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Thu 9/3

2:20 pm-10:40 am

1 stop14h 20m

London Heathrow

Sun 9/13

11:20 am-10:15 pm

2 stops16h 55m

$1,040

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sat 9/5

7:13 pm-6:30 am

2 stops29h 17m

London Heathrow

Wed 9/16

6:50 am-6:23 pm

2 stops17h 33m

$1,045

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sat 8/15

3:48 pm-6:30 am

2 stops32h 42m

London Heathrow

Sat 8/22

3:30 pm-9:30 pm

2 stops36h 00m

$1,128

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Thu 9/3

3:25 pm-9:40 pm

2 stops24h 15m

London Heathrow

Sun 9/13

9:05 pm-8:39 pm

3 stops29h 34m

$1,140

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sun 8/9

12:42 pm-11:20 am

1 stop16h 38m

London Heathrow

Sun 8/16

6:15 am-4:15 pm

2 stops16h 00m

$1,177

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 21 resultsSorted by cheapest first
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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice 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 April 17, 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 71 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, September is the cheapest month in which you can book a flight from New Orleans to London Heathrow Airport (average of $717). Flying from New Orleans to London Heathrow Airport in June is currently the most expensive (average of $1,291). 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 April 21, 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.

How much does it cost to fly round-trip from New Orleans to London Heathrow Airport?

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 April 21, 2026.
Read through reviews of airlines operating flights from New Orleans to London Heathrow Airport, such as Delta,JetBlue, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,432 reviews

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

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
8,432 reviews
Delta
7.9
Good
8,432 reviews

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

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
2,948 reviews
Delta
7.9
Good
8,432 reviews

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

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
7.1
Good
11,646 reviews
Delta
7.9
Good
8,432 reviews

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

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
3,185 reviews
Delta
7.9
Good
8,432 reviews

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

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
7,898 reviews
Delta
7.9
Good
8,432 reviews

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

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 3 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 16h 31m. Delta provides one of the quickest options available for as low as $907. There are 4617 mi between New Orleans and London Heathrow Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 91% 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 (83%), Aer Lingus (83%), Finnair( 83%).

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

    Looking at all options, your cheapest flight can be booked for $333. While the most popular route (New Orleans Louis Armstrong - London Heathrow) can be booked for $906 on average, our data indicates $1,843 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, September is the cheapest month in which you can book a flight from New Orleans to London Heathrow Airport (average of $717). Flying from New Orleans to London Heathrow Airport in June is currently the most expensive (average of $1,291). 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
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for New Orleans to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Baton Rouge to Heathrow flights
New Orleans to Luton flights

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 April 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$81Average$890FlexibilityNo cancel feeOn-time62%
DeltaCheapest$182Average$759FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$446Average$786FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$611Average$910FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$676Average$1,035FlexibilityNo cancel feeOn-time71%
IberiaCheapest$684Average$1,088FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$690Average$868FlexibilityNo cancel feeOn-time72%
FinnairCheapest$705Average$1,326FlexibilityNo cancel feeOn-time76%

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