Cheap flights from London to Louisiana from $433

In general, October 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 $74. The month of January is another great option to travel to Louisiana, with average flight prices from London averaging around $108.

According to our data, Wednesday is the cheapest day to fly to Louisiana from London. The lowest ticket price found for a Wednesday departure recently was $867. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Louisiana on Sunday is $1,733.

The cheapest time of day to fly to Louisiana is at noon when flights can be purchased for as low as $850. In contrast, the most expensive time of day to depart to Louisiana is in the afternoon when prices are around $1,178.

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 $923 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisiana from London for as low as $775 on momondo.

The number of flights available between London and Louisiana is 3 per day as of May 2026. The most frequent departure time is 4:00PM, with 100% of daily flights leaving in the afternoon.

The number of flights available between London and Louisiana is 25 per week as of May 2026. The most frequent departure day is Wed, with 20% of weekly flights leaving on this day.