$341 Cheap Flights from New Orleans (MSY) to London (LHR)

View $341 flight on Thu, Jan 22, 2026Opens in a new window

Popular airlines from Louis Armstrong New Orleans Intl. Airport (MSY) to Heathrow Airport (LHR)

Cheap Flights from New Orleans to London (MSY-LHR)

Prices were available within the past 7 days and start at $341 for one-way flights and $564 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Mon, Oct 27 - Tue, Nov 4
MSY
New Orleans
LHR
London
$564 Roundtrip, found 1 day ago
$564
Roundtrip
found 1 day ago
Select Iberia flight, departing Mon, Oct 27 from New Orleans to London, returning Tue, Nov 4, priced at $564 found 1 day ago
Iberia
Sat, Nov 1 - Wed, Nov 12
MSY
New Orleans
LHR
London
$569 Roundtrip, found 11 hours ago
$569
Roundtrip
found 11 hours ago
Select Iberia flight, departing Sat, Nov 1 from New Orleans to London, returning Wed, Nov 12, priced at $569 found 11 hours ago
British Airways
Tue, Jan 27 - Tue, Feb 10
MSY
New Orleans
LHR
London
$570 Roundtrip, found 4 hours ago
$570
Roundtrip
found 4 hours ago
Select British Airways flight, departing Tue, Jan 27 from New Orleans to London, returning Tue, Feb 10, priced at $570 found 4 hours ago
British Airways
Tue, Jan 13 - Thu, Jan 22
MSY
New Orleans
LHR
London
$570 Roundtrip, found 20 hours ago
$570
Roundtrip
found 20 hours ago
Select British Airways flight, departing Tue, Jan 13 from New Orleans to London, returning Thu, Jan 22, priced at $570 found 20 hours ago
American Airlines
Mon, Jan 26 - Thu, Feb 5
MSY
New Orleans
LHR
London
$575 Roundtrip, found 16 hours ago
$575
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Mon, Jan 26 from New Orleans to London, returning Thu, Feb 5, priced at $575 found 16 hours ago
Virgin Atlantic
Wed, Dec 10 - Fri, Dec 19
MSY
New Orleans
LHR
London
$584 Roundtrip, found 1 hour ago
$584
Roundtrip
found 1 hour ago
Select Virgin Atlantic flight, departing Wed, Dec 10 from New Orleans to London, returning Fri, Dec 19, priced at $584 found 1 hour ago
Delta
Tue, Oct 14 - Wed, Oct 29
MSY
New Orleans
LHR
London
$585 Roundtrip, found 5 hours ago
$585
Roundtrip
found 5 hours ago
Select Delta flight, departing Tue, Oct 14 from New Orleans to London, returning Wed, Oct 29, priced at $585 found 5 hours ago
JetBlue Airways
Sat, Apr 4 - Sat, Apr 11
MSY
New Orleans
LHR
London
$606 Roundtrip, found 4 days ago
$606
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Sat, Apr 4 from New Orleans to London, returning Sat, Apr 11, priced at $606 found 4 days ago
KLM
Wed, Sep 3 - Tue, Sep 9
MSY
New Orleans
LHR
London
$630 Roundtrip, found 13 hours ago
$630
Roundtrip
found 13 hours ago
Select KLM flight, departing Wed, Sep 3 from New Orleans to London, returning Tue, Sep 9, priced at $630 found 13 hours ago
Air France
Wed, Sep 3 - Tue, Sep 9
MSY
New Orleans
LHR
London
$637 Roundtrip, found 13 hours ago
$637
Roundtrip
found 13 hours ago
Select Air France flight, departing Wed, Sep 3 from New Orleans to London, returning Tue, Sep 9, priced at $637 found 13 hours ago

Find the cheapest month to fly from New Orleans (MSY) to London (LHR)

November is typically the cheapest month to fly

From $493 - $1,134 per traveler.

Graph displaying average flight prices per month

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Average driving time to city center is 52 minutes. Flights from $684
LGW
Gatwick
Average driving time to city center52 min
Flights from $684
Flights from New Orleans (MSY) to London (LHR)
Origin airport
Louis Armstrong New Orleans Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, TAP Portugal, United, Virgin Atlantic
Roundtrip price
$564
Distance
4620 mi
Average flight time
8 hours 45 mins

New Orleans to London Flights

The cheapest times to fly from New Orleans to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from New Orleans to London are during the month of October. You can find some of the cheapest flights from New Orleans to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from New Orleans to London

Sunday is one of the best days to book for cheap flights from New Orleans to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from New Orleans to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from New Orleans to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $341 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap New Orleans to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your New Orleans to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Louis Armstrong New Orleans Intl. Airport (MSY) to Heathrow Airport (LHR) cost?
Secure a cheap one-way flight from $341 or cheap return flight from $564 from Louis Armstrong New Orleans Intl. Airport (MSY) to Heathrow Airport (LHR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Louis Armstrong New Orleans Intl. Airport (MSY) to Heathrow Airport (LHR)?
Traveling in October may help you find better deals, as it's the cheapest month for flights between MSY and LHR. You'll usually find the lowest prices during off-peak months.
Which airlines fly direct from Louis Armstrong New Orleans Intl. Airport (MSY) to Heathrow Airport (LHR)?
When flying out of Louis Armstrong New Orleans Intl. Airport (MSY), you can take a nonstop flight to Heathrow Airport (LHR) with British Airways.
What is the cheapest airline that flies from Louis Armstrong New Orleans Intl. Airport (MSY) to Heathrow Airport (LHR)?
To find the cheapest airline that'll fly you from MSY to LHR, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Louis Armstrong New Orleans Intl. Airport (MSY) to Heathrow Airport (LHR)?
On average, there are 4 direct flights taking off from Louis Armstrong New Orleans Intl. Airport (MSY) to Heathrow Airport (LHR) per week. If you can't see one that fits your schedule, think about booking a flight with a layover. Filter your search results on Expedia to include one or two stops and choose the next best alternative.
What are the most popular departure times for flights from Louis Armstrong New Orleans Intl. Airport (MSY) to Heathrow Airport (LHR)?
The 7 PM departures from MSY to LHR are typically the busiest. Prices can be higher for these popular slots. If you want to save money, choose a less crowded time to fly.
What day of the week has the most flights from MSY to LHR?
If you fly on a Friday, you'll get the biggest range of choices for flights from Louis Armstrong New Orleans Intl. Airport (MSY) to Heathrow Airport (LHR).
What is the earliest flight from Louis Armstrong New Orleans Intl. Airport (MSY) to Heathrow Airport (LHR)?
Louis Armstrong New Orleans Intl. Airport (MSY)'s earliest flight to Heathrow Airport (LHR) takes off at approximately 7:45PM UTC-6. With a travel time of 8h 50m, you'll touch down at around 10:35AM UTC+0.
How long does it take to fly from Louis Armstrong New Orleans Intl. Airport (MSY) to Heathrow Airport (LHR)?
The average flight time from MSY to LHR is 8 hours and 50 minutes, covering a total distance of 4,600 mi.
What is the best time to fly from Louis Armstrong New Orleans Intl. Airport (MSY) to Heathrow Airport (LHR)?
To land at Heathrow Airport (LHR) on schedule, pick a flight that leaves from Louis Armstrong New Orleans Intl. Airport (MSY) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for London from Louis Armstrong New Orleans Intl. Airport (MSY)?
If you're taking a direct flight from Louis Armstrong New Orleans Intl. Airport (MSY) to London, Heathrow Airport (LHR) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Louis Armstrong New Orleans Intl. Airport (MSY) to Heathrow Airport (LHR) last-minute?
Booking your flight from MSY to LHR right before your journey is generally more expensive. But if you're flexible with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a MSY to LHR flight and hotel package?
You'll typically save money by booking a MSY to LHR flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your ideal accommodations and flights, consider adding extras including activities, tours and car rentals.
Can I cancel or change the date of my flight from Louis Armstrong New Orleans Intl. Airport (MSY) to Heathrow Airport (LHR)?
If you booked your MSY to LHR flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.