Cheap flights from London Heathrow Airport to Indianapolis from $474

In general, May is the cheapest month to fly from London Heathrow Airport to Indianapolis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $875. If you are unable to visit Indianapolis during the month of May, then departing from London Heathrow Airport during the month February is also very affordable. Most momondo users find prices during this month for around $892.

Our data shows that Wednesday is the least expensive day to fly to Indianapolis. Tickets to fly out on this day can be as low as $769. 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 $888.

Flying to Indianapolis from London Heathrow Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $772 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $883 on average. Flights to Indianapolis from London Heathrow Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $987 when searching weeks out. 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 $842 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 is the most popular carrier operating from London Heathrow to Indianapolis

British Airways, Aer Lingus and American Airlines 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 49% of people opting to fly with this airline when traveling to Indianapolis. Keep in mind that there are 3 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 at night have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

Chicago (ORD) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

Flights via Dublin (DUB) offer the lowest average round-trip price of $816.

Flights connecting via Dublin (DUB) have the shortest average one-way travel time: 11h 20m.

Chicago (ORD) has the shortest average layover time for this route: 1h 17m.