$537 Find Cheap Flights from London Heathrow Airport to Indianapolis - Compare and Save

The cheapest month for flights from London Heathrow Airport to Indianapolis is November, where tickets cost $914 (return) on average. On the other hand, the most expensive months are June and August, where the average cost of round-trip tickets is $1,196 and $1,160 respectively.

To get a below average price on the flight from London Heathrow Airport to Indianapolis, you should book around 3 weeks before departure, which saves you about 25% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Weekly flights between London and Indianapolis historically see delays in approximately 31% of cases, with the average delay over the past year being 145 minutes.

Typically, flights leaving in the morning tend to face fewer delays, whereas flights at night have historically encountered delays more often.

Statistically, Thursday is the day of the week with the fewest delays on this flight route, while Wednesday has typically experienced more delays than other days.

Based on our data, Virgin Atlantic have experienced the fewest delays on this route in the past 12 months, with only about 9% of their flights encountering any delays.

Dublin (DUB) is the top choice – 67% of KAYAK users who clicked on 1-stop flights from London Heathrow Airport to Indianapolis picked an itinerary connecting there.

Flights via Dublin (DUB) offer the most affordable fares, with an average round-trip price of $1,078.

Consider flying via Chicago (ORD) for the shortest journey. The average one-way travel time for flights connecting there is 11h 52m.

If you prefer a quick connection, Chicago (ORD) often has the shortest layovers from London Heathrow Airport to Indianapolis, with an average of 1h 27m.