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Cheap flights from New Orleans to London from £251

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Orleans to London departing on 13/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
14:20 - 12:00
MSY
-
LHR
15h 40m
1 stop
United Airlines Logo
11:05 - 22:21
LHR
-
MSY
41h 16m
2 stops
£544United Airlines
Tue, 10 Nov - Thu, 12 Nov
United Airlines Logo
07:00 - 12:00
MSY
-
LHR
23h 00m
2 stops
United Airlines Logo
11:05 - 18:54
LHR
-
MSY
37h 49m
2 stops
£601United Airlines
Tue, 10 Nov - Thu, 12 Nov
Multiple Airlines Logo
11:16 - 06:20
MSY
-
LHR
13h 04m
1 stop
Multiple Airlines Logo
09:20 - 18:17
LHR
-
MSY
13h 57m
1 stop
£651Multiple Airlines
Wed, 21 Oct - Wed, 28 Oct
Multiple Airlines Logo
17:57 - 14:25
MSY
-
LHR
14h 28m
1 stop
Multiple Airlines Logo
09:20 - 23:40
LHR
-
MSY
19h 20m
1 stop
£652Multiple Airlines
Wed, 21 Oct - Wed, 28 Oct
Multiple Airlines Logo
21:50 - 12:40
MSY
-
LHR
8h 50mdirect
Multiple Airlines Logo
08:40 - 12:55
LHR
-
MSY
34h 15m
1 stop
£654Multiple Airlines
Wed, 2 Sep - Tue, 8 Sep
Multiple Airlines Logo
17:39 - 12:50
MSY
-
LHR
13h 11m
1 stop
Multiple Airlines Logo
08:40 - 12:55
LHR
-
MSY
34h 15m
1 stop
£657Multiple Airlines
Wed, 2 Sep - Tue, 8 Sep
Scandinavian Airlines Logo
10:19 - 18:30
MSY
-
LHR
26h 11m
2 stops
Scandinavian Airlines Logo
21:05 - 20:39
LHR
-
MSY
29h 34m
3 stops
£658Scandinavian Airlines
Wed, 23 Sep - Wed, 30 Sep
Iberia Logo
21:50 - 12:40
MSY
-
LHR
8h 50mdirect
Iberia Logo
11:30 - 23:35
LHR
-
MSY
18h 05m
2 stops
£664Iberia
Wed, 7 Oct - Thu, 15 Oct
Iberia Logo
21:50 - 12:40
MSY
-
LHR
8h 50mdirect
Iberia Logo
06:30 - 20:58
LHR
-
MSY
20h 28m
2 stops
£666Iberia
Sun, 13 Sep - Wed, 23 Sep
Iberia Logo
21:50 - 12:40
MSY
-
LHR
8h 50mdirect
Iberia Logo
06:30 - 20:58
LHR
-
MSY
20h 28m
2 stops
£667Iberia
Sun, 13 Sep - Wed, 23 Sep

Iberia flights from New Orleans to London Heathrow Airport

Our best Iberia deals on New Orleans to London Heathrow Airport flight tickets
Iberia
7 Oct
MSY21:50New Orleans Louis Armstrong
8h 50m
LHR12:40London Heathrow
15 Oct
LHR11:30London Heathrow
18h 05m
2 stops
MSY23:35New Orleans Louis Armstrong
£664
Iberia
13 Sept
MSY21:50New Orleans Louis Armstrong
8h 50m
LHR12:40London Heathrow
23 Sept
LHR06:30London Heathrow
20h 28m
2 stops
MSY20:58New Orleans Louis Armstrong
£666
Iberia
13 Sept
MSY21:50New Orleans Louis Armstrong
8h 50m
LHR12:40London Heathrow
23 Sept
LHR06:30London Heathrow
20h 28m
2 stops
MSY20:58New Orleans Louis Armstrong
£667

British Airways flights from New Orleans to London Heathrow Airport

Our best British Airways deals on New Orleans to London Heathrow Airport flight tickets
British Airways
16 Aug
MSY21:50New Orleans Louis Armstrong
8h 50m
LHR12:40London Heathrow
26 Aug
LHR16:00London Heathrow
10h 00m
MSY20:00New Orleans Louis Armstrong
£671
British Airways
13 Sept
MSY21:50New Orleans Louis Armstrong
8h 50m
LHR12:40London Heathrow
23 Sept
LHR15:00London Heathrow
15h 16m
1 stop
MSY00:16New Orleans Louis Armstrong
£678
British Airways
19 Aug
MSY21:50New Orleans Louis Armstrong
8h 50m
LHR12:40London Heathrow
21 Oct
LHR08:55London Heathrow
14h 15m
1 stop
MSY17:10New Orleans Louis Armstrong
£679

momondo Fare Finder

 
Customise your flight search to find flights from New Orleans to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 14 May 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 return flight

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 10/11

14:20-12:00

1 stop15h 40m

London Heathrow

Thu 12/11

11:05-22:21

2 stops41h 16m

£544

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Tue 10/11

07:00-12:00

2 stops23h 00m

London Heathrow

Thu 12/11

11:05-18:54

2 stops37h 49m

£601

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 21/10

11:16-06:20

1 stop13h 04m

London Heathrow

Wed 28/10

09:20-18:17

1 stop13h 57m

£651

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 21/10

17:57-14:25

1 stop14h 28m

London Heathrow

Wed 28/10

09:20-23:40

1 stop19h 20m

£652

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 2/9

21:50-12:40

Nonstop8h 50m

London Heathrow

Tue 8/9

08:40-12:55

1 stop34h 15m

£654

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 2/9

17:39-12:50

1 stop13h 11m

London Heathrow

Tue 8/9

08:40-12:55

1 stop34h 15m

£657

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 23/9

10:19-18:30

2 stops26h 11m

London Heathrow

Wed 30/9

21:05-20:39

3 stops29h 34m

£658
Fastest return journey

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Wed 7/10

21:50-12:40

Nonstop8h 50m

London Heathrow

Thu 15/10

11:30-23:35

2 stops18h 05m

£664

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sun 13/9

21:50-12:40

Nonstop8h 50m

London Heathrow

Wed 23/9

06:30-20:58

2 stops20h 28m

£666

New OrleansLondon

MSY - LHR

MSYLHR

New Orleans Louis Armstrong

Sun 13/9

21:50-12:40

Nonstop8h 50m

London Heathrow

Wed 23/9

06:30-20:58

2 stops20h 28m

£667

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from New Orleans to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between New Orleans and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

In general, September is the cheapest month to fly from New Orleans to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £542. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from New Orleans averaging around £575.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from New Orleans is on a Friday. momondo users have found tickets for Friday departures for as low as £496. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Thursday is £884.

What is the cheapest New Orleans Louis Armstrong to London Heathrow flight route?

Fly from New Orleans Louis Armstrong to London Heathrow for the best New Orleans Louis Armstrong - London Heathrow flight prices

How far in advance should I book a flight from New Orleans to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from New Orleans when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £684 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from New Orleans for as low as £543 on momondo.

Can stopping save me money on New Orleans to London Heathrow Airport flights?

You could potentially save up to 9% on your flight if you consider stops on a New Orleans to London Heathrow Airport flight.

How have New Orleans to London Heathrow Airport flight prices changed over time?

As of May 2026, prices for New Orleans to London Heathrow Airport flights are approximately 17% more expensive when compared to flights at the same time last year.

When to book flights from New Orleans to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from New Orleans to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap New Orleans to London Heathrow Airport (MSY to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Orleans to London Heathrow Airport

Fastest flight time

8h 40m

Direct flights

Every day
The fastest flight from New Orleans to London Heathrow Airport takes 8h 40m
Direct flights go from New Orleans to London Heathrow Airport every day.
Search flight deals

Frequently asked questions about flying from New Orleans to London Heathrow Airport

  • How far is New Orleans Louis Armstrong to London Heathrow by plane?

    There are 4611.0 mi between New Orleans Louis Armstrong and London Heathrow. In terms of flight time, this usually takes a little over 8h 40m.

  • When did momondo last update prices for flights from New Orleans Louis Armstrong Airport to London Heathrow Airport?

    Prices for flights from New Orleans Louis Armstrong Airport to London Heathrow Airport refresh daily.

  • How many operators does momondo search for flights from New Orleans Louis Armstrong Airport to London Heathrow Airport?

  • How old do you have to be to fly from New Orleans Louis Armstrong Airport to London Heathrow Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New Orleans Louis Armstrong Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from New Orleans to London Heathrow Airport?

  • What is the most popular airline from New Orleans to London Heathrow Airport?

Best airlines flying from New Orleans to London Heathrow Airport

Compare and see reviews for airlines that fly from New Orleans to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom £473Free CancellationRating
7.4
688 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom £517Free CancellationRating
7.4
9,718 reviews
Search United Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from New Orleans to London?

It is quick and easy to find New Orleans to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from New Orleans to London with flexible booking policies on momondo?

Yes. All flights to London from New Orleans on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from New Orleans to London?

Once you have performed a search for New Orleans to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from New Orleans to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from New Orleans and alert you when they change.

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