Cheap flights from New Orleans to London from $374

The cheapest month to fly to London from New Orleans is in October. Flight prices, which tend to average around $706, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from New Orleans averaging around $740.

The cheapest day to depart from New Orleans to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $774. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,165. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

You are more likely to see cheaper flights to London from New Orleans when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $903 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from New Orleans for as low as $666 on momondo.

There are 3 cabin classes available to choose from on New Orleans Louis Armstrong to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 30% on your flight if you consider stops on a New Orleans to London flight.

Delta, United Airlines, and KLM are the most popular carriers operating from New Orleans Louis Armstrong to London

British Airways, American Airlines and Iberia are the top three most popular airlines that fly to London from New Orleans according to our data. British Airways is the first choice among our users, with 63% of people opting to fly with this airline when traveling to London. Keep in mind that there are 8 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Atlanta (ATL) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Flights via Atlanta (ATL) offer the lowest average round-trip price of $956.

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 10h 30m.

Atlanta (ATL) has the shortest average layover time for this route: 1h 32m.

3 flights are operational daily from New Orleans to London as of April 2026. The most popular departure time for this route is 9:00PM, with 100% of flights per day taking off in the evening.

As of April 2026, there are 21 flights per week flying from New Orleans to London. The most common day of the week flights depart is Thu, with 24% of flights taking off on this day.