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Cheap flights from New Orleans to London Heathrow Airport from £196

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 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LHR
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from New Orleans Louis Armstrong to London Heathrow are usually found in September or March, booked 60 days in advance, depart on a Monday or Wednesday 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 18 September 2025.

Round-trip from

£421

One-way from

£196

Popular in

June

Cheapest in

September

Average price

£519

Good one-way deal

£374 or less
United Airlines
  • United Airlines
  • 3/2-17/2
  • 3 total stops
  • 34h 17m total
  • New Orleans to London
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21/10
  • 21/10
  • 3 total stops
  • 32h 22m total
  • New Orleans to London
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Highest demand for flights based on searches. 20% potential increase in price (£122 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from New Orleans Louis Armstrong to London Heathrow.
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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 18 September 2025.

Tue 9/1212:04MSY - LHR
1 stop12h 21mDelta
Tue 16/1206:20LHR - MSY
2 stops18h 44mDelta
Deal found 15/9£424
Wed 24/914:37MSY - LHR
1 stop11h 28mDelta
Fri 3/1011:45LHR - MSY
2 stops17h 44mDelta
Deal found 16/9£425
Wed 24/918:35MSY - LHR
1 stop13h 50mBritish Airways
Fri 3/1013:40LHR - MSY
1 stop13h 40mBritish Airways
Deal found 17/9£426
Wed 22/1011:40MSY - LHR
2 stops15h 10mDelta
Wed 29/1011:30LHR - MSY
2 stops16h 34mDelta
Deal found 16/9£427
Wed 12/1113:05MSY - LHR
2 stops13h 40mVirgin Atlantic
Tue 18/1106:30LHR - MSY
2 stops15h 23mVirgin Atlantic
Deal found 16/9£428
Sun 28/911:55MSY - LHR
1 stop17h 55mAir Canada
Thu 9/1015:50LHR - MSY
1 stop25h 12mAir Canada
Deal found 16/9£429
Wed 15/1009:05MSY - LHR
1 stop15h 40mDelta
Wed 22/1020:10LHR - MSY
1 stop20h 23mDelta
Deal found 16/9£429
Wed 24/917:15MSY - LHR
1 stop12h 20mUnited Airlines
Wed 1/1010:00LHR - MSY
1 stop15h 57mUnited Airlines
Deal found 17/9£430
Fri 31/1012:01MSY - LHR
1 stop14h 29mLufthansa
Fri 7/1112:05LHR - MSY
1 stop14h 00mLufthansa
Deal found 16/9£431
Wed 19/1111:20MSY - LHR
1 stop13h 00mUnited Airlines
Tue 2/1211:05LHR - MSY
2 stops41h 16mUnited Airlines
Deal found 16/9£432

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 18 September 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 19/11

12:25-06:20

1 stop11h 55m

London Heathrow

Wed 3/12

18:00-17:17

1 stop29h 17m

£427

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 2/12

10:43-08:45

2 stops16h 02m

London Heathrow

Thu 15/1

06:20-18:54

2 stops18h 34m

£427

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 4/2

14:13-07:30

1 stop11h 17m

London Heathrow

Thu 19/2

10:00-18:13

1 stop14h 13m

£429

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 25/11

15:20-09:00

1 stop11h 40m

London Heathrow

Thu 4/12

10:45-17:58

1 stop13h 13m

£429

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 2/12

15:27-07:50

1 stop10h 23m

London Heathrow

Wed 10/12

10:45-17:58

1 stop13h 13m

£429

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 19/11

11:20-06:20

1 stop13h 00m

London Heathrow

Tue 2/12

11:05-22:21

2 stops41h 16m

£432

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 15/10

10:32-08:55

2 stops16h 23m

London Heathrow

Wed 22/10

15:15-08:00

1 stop22h 45m

£432

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 19/11

07:00-06:30

2 stops17h 30m

London Heathrow

Wed 3/12

11:10-23:52

2 stops18h 42m

£433

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 3/3

14:13-10:25

2 stops14h 12m

London Heathrow

Fri 20/3

15:10-00:02

1 stop13h 52m

£433

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Fri 6/2

18:05-08:30

1 stop32h 25m

London Heathrow

Fri 20/2

15:00-22:28

2 stops37h 28m

£451

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 21 results
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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 return 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 return flight from New Orleans to Heathrow. Price data was last updated on 12 September 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 60 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, January is the cheapest month in which you can book a flight from New Orleans to London Heathrow Airport (average of £112). Flying from New Orleans to London Heathrow Airport in August is currently the most expensive (average of £164). 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 18 September 2025.

When flying from New Orleans to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 28% versus a flight in the morning.

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 18 September 2025.
Check out reviews from past customers who have flown with British Airways from New Orleans to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,367 reviews
Check prices

Overall

6.7

Boarding

6.9

Crew

7.6

Comfort

6.7

Food

6.3

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,367 reviews
British Airways
6.7
Okay
7,367 reviews
Check prices

Overall

6.7

Boarding

6.9

Crew

7.6

Comfort

6.7

Food

6.3

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

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?

    If you book a flight to London Heathrow from New Orleans, you will be flying from Louis Armstrong, which is the city’s only airport. New Orleans Louis Armstrong (MSY) is located 11.4 mi from the center of New Orleans. There are 2 flights from Louis Armstrong to London Heathrow per day from 1 airline.

  • 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 11h 17m. Delta provides one of the quickest options available for as low as £429. New Orleans and London Heathrow Airport are separated by a distance of 4617 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from New Orleans to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from New Orleans to London Heathrow Airport round-trip from £422. Users have found that British Airways is 33% cheaper than the other options available to this destination.

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

    The top 3 most reliable airlines when flying from New Orleans to London Heathrow Airport are American Airlines (73%), Aer Lingus (73%) and Finnair (73%).

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

    Looking for the cheapest flight from New Orleans to London Heathrow Airport? While on average our users pay £497, our data indicates the cheapest price to be £345. The most popular route (New Orleans Louis Armstrong - London Heathrow), is priced around £413.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from New Orleans to London Heathrow Airport (average of £112). Flying from New Orleans to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Slough
Gatwick
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Swindon
Dartford
Guildford
Brentford

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.
New Orleans to Gatwick flights
New Orleans to Stansted flights
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Top airline flying from New Orleans to Heathrow

Discover the top airline 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 858,174 searches. Data last updated 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£422Average£583FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from New Orleans to Heathrow?

Cheapflights helps you search for flights from New Orleans to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from New Orleans to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from New Orleans to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from New Orleans to Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from New Orleans to Heathrow, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from New Orleans to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on New Orleans to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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