Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from London Heathrow to Louisville, across the seven airlines that offer this route. We've found that 10 / Sep / 2025 is the cheapest date to travel at the moment, but it's best to go through the results to see which flight suits you.
The most popular airlines offering flights to Louisville are British Airways, Aer Lingus & Lufthansa. British Airways is the most popular one, but that doesn’t mean their flights will be the cheapest. If you can't find a flight time that suits you, why not look at flying out from a different airport?
Your flight from London Heathrow to Louisville will take at least 11 hrs 30 mins. On average, it takes 12 hrs 35 mins to fly the 6500 km distance. Take a look at flight times to see which one works best for you.
If you want to travel in April, it's best to book your flights early, as this is peak season in Louisville. The cheapest month to fly is normally July – try searching three to four months prior to then to get a bargain. You can also search by month, which will reveal the cheapest time of the week to fly.
