Cheap flights from Louisiana to London from $216

The cheapest month to fly to London from Louisiana is in October. Flight prices, which tend to average around $705, 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 Louisiana averaging around $718.

The cheapest day to depart from Louisiana to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $772. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,118. 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 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 $870 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Louisiana for as low as $695 on momondo.

There are 3 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 23% on your flight if you consider stops on a Louisiana to London flight.

American Airlines, United Airlines, and Delta are the most popular carriers operating from Louisiana to London

British Airways, American Airlines and Iberia are the top three most popular airlines that fly to London from Louisiana according to our data. British Airways is the first choice among our users, with 64% 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.

As of February 2026, there are 1 flights per day flying from Louisiana to London. The most common time of day flights depart is 7:00PM, with 100% of flights taking off in the evening.

The number of flights available between Louisiana and London is 11 per week as of February 2026. The most frequent departure day is Tue, with 45% of weekly flights leaving on this day.