Cheap flights from London to Louisiana from £254

In general, September is the cheapest month to fly from London to Louisiana. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £620. If you aren’t able to travel to Louisiana during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £624.

The cheapest day to depart from London to Louisiana is on a Tuesday when prices can be found for as low as £646. On the other hand, Saturday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £776.

The cheapest time of day to fly to Louisiana is at midday when flights can be purchased for as low as £676. In the afternoon is when there is more demand to fly to Louisiana, so prices are often more expensive at around £720 per ticket.

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

You are more likely to see cheaper flights to Louisiana from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisiana for around £683 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisiana from London for as low as £583 on momondo.

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

JetBlue, British Airways, and Delta are the most popular carriers operating from London to Louisiana

British Airways, Virgin Atlantic and United Airlines are the top three most popular airlines that fly to Louisiana from London according to our data. British Airways is the first choice among our users, with 62% of people opting to fly with this airline when travelling to Louisiana. Keep in mind that there are 11 different airlines that fly to Louisiana on a routine basis, so you have a few additional options to choose from.

The number of flights available between London and Louisiana is 1 per day as of March 2026. The most frequent departure time is 13:00, with 100% of daily flights leaving in the afternoon.

The number of flights available between London and Louisiana is 7 per week as of March 2026. The most frequent departure day is Tue, with 71% of weekly flights leaving on this day.