Cheap flights from London Heathrow Airport to New Orleans from $434

The cheapest month to fly to New Orleans from London Heathrow Airport is in September. Flight prices, which tend to average around $779, are often lower during this time because this is during the off-season. If you are unable to visit New Orleans during the month of September, then departing from London Heathrow Airport during the month January is also very affordable. Most momondo users find prices during this month for around $800.

The cheapest day to depart from London Heathrow Airport to New Orleans is on a Wednesday when prices can be found for as low as $853. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to New Orleans for around $1,181.

The cheapest time of day to fly to New Orleans is at noon when flights can be purchased for as low as $909. In the afternoon is when there is more demand to fly to New Orleans, so prices are often more expensive at around $983 per ticket.

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

You are more likely to see cheaper flights to New Orleans from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to New Orleans for around $893 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New Orleans from London Heathrow Airport for as low as $775 on momondo.

There are 3 cabin classes available to choose from on London Heathrow to New Orleans Louis Armstrong 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 26% on your flight if you consider stops on a London Heathrow Airport to New Orleans flight.

As of February 2026, prices for London Heathrow Airport to New Orleans flights are approximately 7% cheaper when compared to flights at the same time last year.

Historically, on average around 20% of flights between London and New Orleans have experienced a delay on any given week. The average delay length over the past 12 months has been 112 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the least number of delays on this route over the last 12 months; with about 20% of their flights experiencing any sort of delay.

As of February 2026, 1 flights take off from London Heathrow Airport and land in New Orleans each day. The most common flight departure time for this route is 1:00PM, with 100% of daily flights taking off in the afternoon.

As of February 2026, there are 11 flights per week flying from London Heathrow Airport to New Orleans. The most common day of the week flights depart is Tue, with 45% of flights taking off on this day.