Cheap flights from Indiana to London from $207

The cheapest month to fly to London from Indiana is in January. Flight prices, which tend to average around $698, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Indiana averaging around $725.

You are more likely to see cheaper flights to London from Indiana when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $848 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Indiana for as low as $736 on momondo.

Delta, Virgin Atlantic, and United Airlines are the most popular carriers operating from Indiana to London

American Airlines, United Airlines and Aer Lingus are the top three most popular airlines that fly to London from Indiana according to our data. American Airlines is the first choice among our users, with 29% of people opting to fly with this airline when traveling to London. Keep in mind that there are 8 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

As of July 2026, 431 flights take off from Indiana and land in London each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.

If you’re flying from a popular airport in Indiana, such as Indianapolis or Fort Wayne, and flying into London, then you can expect flight times to average 10h 20m and 10h 35m, respectively.