Heathrow

$271+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LHR
Mar 30 — Apr 61
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1. Tell us where you want to go
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Cheapflights Tip: The best prices from New Orleans Louis Armstrong to London Heathrow are usually found in January or March, booked 26 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$644
(JetBlue Airways)

One-way from

$271
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$735

Good round-trip deal

$834 or less

Good one-way deal

$561 or less
Provider with most accurate pricing for New Orleans Louis Armstrong-London Heathrow flight deals.
Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-London Heathrow flights.
From New Orleans Louis Armstrong to London Heathrow
One-way flight from New Orleans Louis Armstrong to London Heathrow
Highest demand for flights based on searches. 22% potential increase in price ($266 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from New Orleans Louis Armstrong to London Heathrow.
Price to beat on a one-way flight from New Orleans Louis Armstrong to London Heathrow.

Find 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 March 25, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/289:50 pmMSY - LHR
Nonstop8h 50mIberia
Thu 10/94:05 pmLHR - MSY
Nonstop9h 55mIberia
Deal found 3/24$642
This JetBlue Airways deal was found by Cheapflights users on 3/25. 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 Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2811:15 amMSY - LHR
1 stop13h 15mJetBlue
Thu 10/98:25 amLHR - MSY
1 stop16h 18mJetBlue
Deal found 3/25$643
This Air Canada deal was found by Cheapflights users on 3/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2310:25 amMSY - LHR
2 stops14h 05mMultiple Airlines
Tue 9/3010:30 amLHR - MSY
2 stops30h 27mMultiple Airlines
Deal found 3/24$654
This StudentUniverse deal was found by Cheapflights users on 3/23. 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 9/232:12 pmMSY - LHR
1 stop14h 38mFinnair
Tue 9/304:10 pmLHR - MSY
2 stops31h 52mFinnair
Deal found 3/23$657
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Tue 9/2310:25 amMSY - LHR
1 stop13h 55mUnited Airlines
Tue 9/302:05 pmLHR - MSY
2 stops26h 11mUnited Airlines
Deal found 3/24$661
This oojo deal was found by Cheapflights users on 3/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/81:46 pmMSY - LHR
1 stop13h 14mBritish Airways
Fri 9/56:10 amLHR - MSY
2 stops23h 27mBritish Airways
Deal found 3/24$662
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/289:50 pmMSY - LHR
Nonstop8h 50mAmerican Airlines
Thu 10/94:05 pmLHR - MSY
Nonstop9h 55mAmerican Airlines
Deal found 3/25$669
This Delta deal was found by Cheapflights users on 3/24. 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 4/162:00 pmMSY - LHR
1 stop17h 10mDelta
Wed 4/238:40 amLHR - MSY
2 stops18h 02mDelta
Deal found 3/24$670
This Air Canada deal was found by Cheapflights users on 3/25. 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.
Sun 9/2811:50 amMSY - LHR
2 stops40h 10mAir Canada
Thu 10/98:30 amLHR - MSY
1 stop32h 27mAir Canada
Deal found 3/25$682
This Lufthansa deal was found by Cheapflights users on 3/23. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/911:50 amMSY - LHR
2 stops27h 10mLufthansa
Mon 5/126:30 pmLHR - MSY
2 stops35h 29mLufthansa
Deal found 3/23$745
This The Travel House deal was found by Cheapflights users on 3/24. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1210:43 amMSY - LHR
1 stop16h 47mIcelandair
Sat 5/178:25 amLHR - MSY
2 stops55h 33mIcelandair
Deal found 3/24$784
This Cheapflightsfares deal was found by Cheapflights users on 3/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/36:00 amMSY - LHR
2 stops21h 05mAer Lingus
Tue 4/88:50 amLHR - MSY
2 stops19h 41mAer Lingus
Deal found 3/24$886

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 March 25, 2025.
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

Thu 4/3

11:55 am-6:30 am

1 stop12h 35m

London Heathrow

Tue 4/8

8:25 am-10:31 pm

1 stop20h 06m

$644

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Mon 4/28

3:25 pm-9:35 am

1 stop12h 10m

London Heathrow

Thu 5/8

11:30 am-10:58 am

2 stops29h 28m

$656

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 4/8

1:46 pm-9:00 am

1 stop13h 14m

London Heathrow

Fri 9/5

6:10 am-11:37 pm

2 stops23h 27m

$662

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 4/22

5:00 am-11:35 am

1 stop24h 35m

London Heathrow

Tue 5/6

3:50 pm-10:58 am

1 stop25h 08m

$663

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 4/16

2:00 pm-1:10 pm

1 stop17h 10m

London Heathrow

Wed 4/23

8:40 am-8:42 pm

2 stops18h 02m

$670

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 4/8

9:57 am-10:00 am

3 stops18h 03m

London Heathrow

Fri 9/5

2:05 pm-10:57 am

2 stops26h 52m

$686

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Fri 5/2

3:40 pm-11:10 am

1 stop13h 30m

London Heathrow

Thu 5/15

1:05 pm-8:17 pm

1 stop13h 12m

$704

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Fri 5/9

9:55 pm-12:45 pm

Nonstop8h 50m

London Heathrow

Tue 5/13

1:40 pm-10:42 pm

1 stop15h 02m

$705

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Thu 4/10

1:46 pm-9:00 am

1 stop13h 14m

London Heathrow

Thu 4/24

4:05 pm-8:00 pm

Nonstop9h 55m

$716

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Fri 5/9

11:50 am-9:00 pm

2 stops27h 10m

London Heathrow

Mon 5/12

6:30 pm-11:59 pm

2 stops35h 29m

$745

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 29 results
1
2
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars

*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.

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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your New Orleans to London Heathrow Airport trip
Airports
MSY

Average security wait times at MSY are around 15 minutes, making it efficient for departures.

Read more about MSYby Brandon Schultz
LHR

Take the Heathrow Express for the fastest route to central London, arriving at Paddington Station.

Read more about LHRby Ramsey Qubein
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on MSY

Brandon Schultz

Brandon Schultz

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

Ramsey Qubein

Ramsey Qubein

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

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 March 21, 2025.

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, November is the cheapest month in which you can book a flight from New Orleans to London Heathrow Airport (average of $661). Flying from New Orleans to London Heathrow Airport in June is currently the most expensive (average of $1,115). 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 March 25, 2025.

It’s optimal to fly from New Orleans to London Heathrow Airport in the morning. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from New Orleans to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from New Orleans to Heathrow. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their New Orleans to London Heathrow Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 25, 2025.
See what other customers who have flown with Delta, KLM and Finnair from New Orleans to London have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

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.
8.0
Very good
8.0
Very good

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

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.
8.0
Very good

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

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.
8.0
Very good

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

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.
8.0
Very good

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

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.
8.0
Very good

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

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 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.

  • 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 $644 on this airline. Additional options worth looking into are British Airways and United Airlines, starting at $662 and $663 round-trip. JetBlue is 30% 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 $344. However, be on the lookout for offers from Iberia and Air Canada, 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 (56%), Aer Lingus (56%), Finnair( 56%).

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

    Looking at all options, your cheapest flight can be booked for $461. While the most popular route (New Orleans Louis Armstrong - London Heathrow) can be booked for $642 on average our data indicates $2,324 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, November is the cheapest month in which you can book a flight from New Orleans to London Heathrow Airport (average of $661). Flying from New Orleans to London Heathrow Airport in June is currently the most expensive (average of $1,115). 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 New Orleans?

Book flights to New Orleans if you plan to visit one of these locations
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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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$496Average$771FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$562Average$829FlexibilityNo cancel feeOn-time62%
IberiaCheapest$598Average$856FlexibilityNo cancel feeOn-time77%
FinnairCheapest$598Average$877FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$606Average$915FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$693Average$1,011FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$722Average$838FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$728Average$1,100FlexibilityNo cancel feeOn-time69%
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