Cheap flights from London Heathrow Airport to Louisiana from £333

In general, September is the cheapest month to fly from London Heathrow Airport to Louisiana. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £585. If you aren’t able to travel to Louisiana during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of £602.

The cheapest day to depart from London Heathrow Airport to Louisiana is on a Tuesday when prices can be found for as low as £641. On the other hand, Sunday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £801.

The cheapest time of day to fly to Louisiana is at midday when flights can be purchased for as low as £674. In the afternoon is when there is more demand to fly to Louisiana, so prices are often more expensive at around £722 per ticket.

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

You are more likely to see cheaper flights to Louisiana from London Heathrow Airport 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 Heathrow Airport for as low as £583 on momondo.

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

United Airlines, British Airways, and Virgin Atlantic are the most popular carriers operating from London Heathrow to Louisiana

British Airways, Virgin Atlantic and JetBlue are the top three most popular airlines that fly to Louisiana from London Heathrow Airport 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.

As of April 2026, there are 2 flights per day flying from London Heathrow Airport to Louisiana. The most common time of day flights depart is 13:00, with 100% of flights taking off in the afternoon.

As of April 2026, 20 flights take off from London Heathrow Airport and land in Louisiana each week. The most common flight departure day for this route is Wed, with 25% of weekly flights taking off on this day.