While London Heathrow Airport is not in close proximity to Leicester (approximately 100 miles or 160 kilometers southeast), it is one of the busiest and most well-connected international airports in the UK. If you prefer a wider range of international flight options, you may consider Heathrow as a potential airport, keeping in mind the additional travel distance.

Enter the details on the website. Will need to take a train from Heathrow airport to St Pancas station, from there there is a direct train to Leicester.

Located about 35 miles (56 kilometers) west of Leicester, Birmingham Airport is another significant airport that serves the region.