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Cheap flights from New Orleans to London Heathrow Airport from £186

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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — LHR
11 des. — 18 des.1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from New Orleans Louis Armstrong to London Heathrow are usually found in October or September, booked 12 days in advance, depart on a Monday or Wednesday and return on a Tuesday

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Enter your travel dates to find the best prices.

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 11 November 2025.

ti. 9/1213:07MSY - LHR
1 stop13h 53mDelta
ti. 16/1206:30LHR - MSY
2 stops18h 34mDelta
Deal found 9/11£510
ti. 9/1210:23MSY - LHR
1 stop14h 27mIberia
ti. 16/1213:45LHR - MSY
Nonstop10h 10mIberia
Deal found 9/11£519
to. 27/1109:42MSY - LHR
1 stop17h 48mJetBlue
fr. 5/1209:20LHR - MSY
1 stop13h 56mJetBlue
Deal found 10/11£521
ti. 9/1210:35MSY - LHR
2 stops13h 55mMultiple Airlines
ti. 16/1208:30LHR - MSY
2 stops17h 09mMultiple Airlines
Deal found 9/11£523
on. 3/1212:45MSY - LHR
1 stop12h 10mJetBlue
sø. 7/1207:45LHR - MSY
1 stop33h 05mJetBlue
Deal found 9/11£525
ti. 9/1215:29MSY - LHR
1 stop11h 46mBritish Airways
ti. 16/1208:20LHR - MSY
1 stop14h 40mBritish Airways
Deal found 9/11£526
to. 11/1213:07MSY - LHR
1 stop12h 43mKLM
to. 25/1206:30LHR - MSY
2 stops23h 01mKLM
Deal found 10/11£528
to. 11/1206:15MSY - LHR
1 stop20h 10mMultiple Airlines
to. 25/1206:50LHR - MSY
2 stops18h 58mMultiple Airlines
Deal found 9/11£530
on. 10/1215:27MSY - LHR
1 stop11h 33mKLM
to. 18/1212:30LHR - MSY
1 stop15h 48mKLM
Deal found 9/11£532
sø. 7/1206:00MSY - LHR
1 stop21h 30mJetBlue
fr. 12/1209:20LHR - MSY
1 stop13h 56mJetBlue
Deal found 9/11£532
to. 11/1218:05MSY - LHR
1 stop11h 15mAir Canada
to. 25/1218:00LHR - MSY
1 stop29h 17mAir Canada
Deal found 9/11£539

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 11 November 2025.

Round-trip from

£499

One-way from

£186

Popular in

June

Cheapest in

October

Average price

£645

Good round-trip deal

£948 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 7/2-16/2
  • 4 total stops
  • 45h 21m total
  • New Orleans to London
Search Deals
6/12
  • 6/12
  • 3 total stops
  • 33h 50m total
  • New Orleans to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£124 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from New Orleans Louis Armstrong to London Heathrow.
Search Deals

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 11 November 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

on. 25/2

15:59-10:15

1 stop12h 16m

London Heathrow

fr. 13/3

06:50-22:30

2 stops20h 40m

£516

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

ti. 3/2

12:55-09:00

1 stop14h 05m

London Heathrow

ti. 17/2

11:45-23:16

2 stops17h 31m

£516

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

ma. 9/2

07:30-07:50

1 stop18h 20m

London Heathrow

to. 19/2

06:30-16:29

2 stops15h 59m

£516

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

to. 26/2

20:13-20:45

1 stop18h 32m

London Heathrow

lø. 7/3

08:05-19:18

1 stop17h 13m

£521

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

ti. 3/2

18:55-07:30

1 stop30h 35m

London Heathrow

ti. 17/2

13:00-17:17

1 stop34h 17m

£526

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

on. 6/5

11:10-08:50

1 stop15h 40m

London Heathrow

on. 20/5

11:45-23:23

2 stops17h 38m

£527

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

on. 10/12

15:27-09:00

1 stop11h 33m

London Heathrow

to. 18/12

12:30-22:18

1 stop15h 48m

£532

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

on. 10/12

09:05-07:10

2 stops16h 05m

London Heathrow

to. 18/12

10:25-22:29

1 stop18h 04m

£532

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

fr. 6/2

11:15-09:30

1 stop16h 15m

London Heathrow

fr. 20/2

08:05-22:49

1 stop20h 44m

£544

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

lø. 6/12

15:20-07:10

3 stops33h 50m

£186

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 15 results
1
2

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 7 November 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 12 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 £84). Flying from New Orleans to London Heathrow Airport in June is currently the most expensive (average of £669). 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 11 November 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 33% versus a flight in the evening.

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 11 November 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
7,510 reviews
Check prices

Crew

7.6

Comfort

6.7

Boarding

6.9

Entertainment

6.4

Food

6.3

Overall

6.7

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
7,510 reviews
British Airways
6.7
Okay
7,510 reviews
Check prices

Crew

7.6

Comfort

6.7

Boarding

6.9

Entertainment

6.4

Food

6.3

Overall

6.7

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 is 1 flight 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 12h 16m. United Airlines provides one of the quickest options available for as low as £516. 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 £498. Users have found that British Airways is 23% 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 (88%), Aer Lingus (88%) and Finnair (88%).

  • 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 £1,043, our data indicates the cheapest price to be £504. The most popular route (New Orleans Louis Armstrong - London Heathrow), is priced around £501.

  • 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, October is the cheapest month in which you can book a flight from New Orleans to London Heathrow Airport (average of £84). Flying from New Orleans to London Heathrow Airport in June is currently the most expensive (average of £669). 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
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

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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
Shreveport to Heathrow flights
Baton Rouge to Heathrow flights
New Orleans to Luton flights

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 11 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£498Average£606FlexibilityNo 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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