Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from London Heathrow to Indianapolis, across the six airlines that offer this route. We've found that 01 / Oct / 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 Indianapolis are British Airways, Finnair & Aer Lingus. 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 Indianapolis will take at least 12 hrs 5 mins. On average, it takes 13 hrs 25 mins to fly the 6418 km distance. Take a look at flight times to see which one works best for you.
If you want to travel in May, it's best to book your flights early, as this is peak season in Indianapolis. The cheapest month to fly is normally February – 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.
