Heathrow

$267+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LHR
Jul 5 — Jul 121
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Cheapflights Tip: The best prices from New Orleans Louis Armstrong to London Heathrow are usually found in March or January, booked 26 days in advance, depart on a Tuesday or Friday 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 June 30, 2025.

Round-trip from

$666
(Cheapflightsfares)

One-way from

$267
(Mytrip)

Popular in

June

Cheapest in

March

Average price

$1,231

Good round-trip deal

$741 or less

Good one-way deal

$583 or less
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. 20% potential increase in price ($230 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Average for round-trip flights in June 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 June 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/249:50 pmMSY - LHR
Nonstop8h 50mBritish Airways
Fri 10/34:05 pmLHR - MSY
Nonstop9h 55mBritish Airways
Deal found 6/28$666
This Mytrip deal was found by Cheapflights users on 6/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/128:00 amMSY - LHR
2 stops16h 30mMultiple Airlines
Wed 8/2710:25 amLHR - MSY
2 stops38h 48mMultiple Airlines
Deal found 6/28$684
This Air Canada deal was found by Cheapflights users on 6/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/205:15 amMSY - LHR
2 stops22h 45mAir Canada
Wed 9/32:05 pmLHR - MSY
2 stops34h 47mAir Canada
Deal found 6/28$686
This United Airlines deal was found by Cheapflights users on 6/30. 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 9/242:16 pmMSY - LHR
2 stops15h 29mUnited Airlines
Fri 10/35:40 pmLHR - MSY
2 stops31h 48mUnited Airlines
Deal found 6/30$692
This American Airlines deal was found by Cheapflights users on 6/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/46:16 pmMSY - LHR
1 stop12h 29mAmerican Airlines
Wed 8/204:05 pmLHR - MSY
Nonstop9h 50mAmerican Airlines
Deal found 6/29$695
This Lufthansa deal was found by Cheapflights users on 6/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1311:35 amMSY - LHR
1 stop13h 00mLufthansa
Thu 8/219:30 amLHR - MSY
2 stops15h 43mLufthansa
Deal found 6/28$698
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/102:59 pmMSY - LHR
1 stop16h 31mDelta
Wed 8/2011:30 amLHR - MSY
2 stops17h 30mDelta
Deal found 6/28$699
This Iberia deal was found by Cheapflights users on 6/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/209:55 pmMSY - LHR
Nonstop8h 45mIberia
Fri 9/510:30 amLHR - MSY
1 stop18h 18mIberia
Deal found 6/28$704
This JetBlue deal was found by Cheapflights users on 6/30. 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.
Sat 7/265:51 pmMSY - LHR
1 stop30h 39mJetBlue
Sat 8/98:25 amLHR - MSY
1 stop14h 30mJetBlue
Deal found 6/30$737

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 June 30, 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

Wed 9/24

9:50 pm-12:40 pm

Nonstop8h 50m

London Heathrow

Fri 10/3

4:05 pm-8:00 pm

Nonstop9h 55m

$666

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 8/12

8:00 am-6:30 am

2 stops16h 30m

London Heathrow

Wed 8/27

10:25 am-7:13 pm

2 stops38h 48m

$684

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 8/20

5:15 am-10:00 am

2 stops22h 45m

London Heathrow

Wed 9/3

2:05 pm-6:52 pm

2 stops34h 47m

$686

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 9/24

2:16 pm-11:45 am

2 stops15h 29m

London Heathrow

Fri 10/3

5:40 pm-7:28 pm

2 stops31h 48m

$692

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Mon 8/4

6:16 pm-12:45 pm

1 stop12h 29m

London Heathrow

Wed 8/20

4:05 pm-7:55 pm

Nonstop9h 50m

$695

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 8/13

11:35 am-6:35 am

1 stop13h 00m

London Heathrow

Thu 8/21

9:30 am-7:13 pm

2 stops15h 43m

$698

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sun 8/10

2:59 pm-1:30 pm

1 stop16h 31m

London Heathrow

Wed 8/20

11:30 am-11:00 pm

2 stops17h 30m

$699

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 8/20

9:55 pm-12:40 pm

Nonstop8h 45m

London Heathrow

Fri 9/5

10:30 am-10:48 pm

1 stop18h 18m

$704

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sat 7/26

5:51 pm-6:30 am

1 stop30h 39m

London Heathrow

Sat 8/9

8:25 am-4:55 pm

1 stop14h 30m

$737

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Mon 7/28

2:15 pm-8:20 pm

2 stops24h 05m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 19 results
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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 TSA wait times at MSY are around 15 minutes, thanks to efficient processes and lower passenger volumes.

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 June 27, 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 $1,098). 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 June 30, 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 17% 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.

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 June 30, 2025.
Read through reviews of airlines operating flights from New Orleans to London Heathrow Airport, such as Delta, Austrian Airlines, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 British Airways. Our recent data shows that you can find tickets from as low as $666 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at $686 and $692 round-trip. British Airways is 23% 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 $374. However, be on the lookout for offers from British Airways and Iberia, 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 (82%), Aer Lingus (82%), Finnair( 82%).

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

    Looking at all options, your cheapest flight can be booked for $437. While the most popular route (New Orleans Louis Armstrong - London Heathrow) can be booked for $666 on average our data indicates $2,036 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 $1,098). 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
Hayes
Hounslow
Thornton Heath
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
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Chichester
Swindon

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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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$182Average$753FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$562Average$838FlexibilityNo cancel feeOn-time62%
IberiaCheapest$587Average$868FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$603Average$889FlexibilityNo cancel feeOn-time70%
FinnairCheapest$635Average$905FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$678Average$939FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$690Average$778FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$728Average$1,003FlexibilityNo cancel feeOn-time69%

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