Cheap flights from Louisiana to London from £166

The cheapest month to fly to London from Louisiana is in February. Flight prices, which tend to average around £553, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Louisiana averaging around £600.

Our data shows that Thursday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £879. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Louisiana to London for around £1,110.

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

You are more likely to see cheaper flights to London from Louisiana when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £761 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Louisiana for as low as £579 on momondo.

There are 2 cabin classes available to choose from on Louisiana 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 46% on your flight if you consider stops on a Louisiana to London flight.

As of August 2026, there are 2 flights per day flying from Louisiana to London. The most common time of day flights depart is 21:00, with 100% of flights taking off in the evening.

As of August 2026, there are 17 flights per week flying from Louisiana to London. The most common day of the week flights depart is Fri, with 29% of flights taking off on this day.