Cheap flights from London Heathrow Airport to Indianapolis from £354

The month of May is, on average, the cheapest month to fly to Indianapolis from London Heathrow Airport, with most prices found around £654. If you’re not able to fly to Indianapolis in May, then February is your next best option. Flight prices from London Heathrow Airport to Indianapolis during February average around £667.

On average, the least expensive day to fly to Indianapolis from London Heathrow Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £573. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Indianapolis on Saturday is £631.

According to our data, the cheapest time of day to fly to Indianapolis is in the morning. momondo users have found flights departing from London Heathrow Airport to Indianapolis in the morning for as low as £565. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around £646. Of course, these prices can vary depending on the time of year and what airport you fly to.

You are more likely to see cheaper flights to Indianapolis from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Indianapolis for around £738 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Indianapolis from London Heathrow Airport for as low as £630 on momondo.

You could potentially save up to 7% on your flight if you consider stops on a London Heathrow Airport to Indianapolis flight.

As of March 2026, prices for London Heathrow Airport to Indianapolis flights are approximately 9% cheaper when compared to flights at the same time last year.

Aer Lingus and British Airways are the most popular carriers operating from London Heathrow to Indianapolis

British Airways, Aer Lingus and Finnair are the top three most popular airlines that fly to Indianapolis from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 55% of people opting to fly with this airline when travelling to Indianapolis. Keep in mind that there are 12 different airlines that fly to Indianapolis on a routine basis, so you have a few additional options to choose from.

Historically, on average around 29% of flights between London and Indianapolis have experienced a delay on any given week. The average delay length over the past 12 months has been 149 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

Dublin (DUB) was the most common stop: 68% of momondo users choosing one-stop flights on this route connected there.

Flights via Dublin (DUB) offer the lowest average return price of £724.

Flights connecting via Washington, D.C. (IAD) have the shortest average one-way travel time: 11h 37m.

Washington, D.C. (IAD) has the shortest average stopover time for this route: 1h 20m.