Cheap flights from Louisiana to London from £211

In general, February is the cheapest month to fly from Louisiana to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £478. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Louisiana averaging around £648.

On average, the least expensive day to fly to London Heathrow Airport from Louisiana is on a Saturday. momondo users have found tickets for Saturday departures for as low as £1,100. However, this price may fluctuate depending on the airline, the season, and holidays. 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 London Heathrow Airport on Sunday is £1,408.

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

You are more likely to see cheaper flights to London Heathrow Airport from Louisiana when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £803 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Louisiana for as low as £584 on momondo.

There are 2 cabin classes available to choose from on Louisiana to London Heathrow Airport 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 47% on your flight if you consider stops on a Louisiana to London Heathrow Airport flight.

As of November 2026, there are 2 flights per day flying from Louisiana to London Heathrow Airport. The most common time of day flights depart is 19:00, with 100% of flights taking off in the evening.

As of November 2026, there are 20 flights per week flying from Louisiana to London Heathrow Airport. The most common day of the week flights depart is Mon, with 25% of flights taking off on this day.