Cheap flights from Indiana to London from $299

The cheapest month to fly to London from Indiana is in October. Flight prices, which tend to average around $690, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from Indiana averaging around $733.

The cheapest day to depart from Indiana to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $938. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,010. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

Flying to London from Indiana in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $882 when looking at flights departing in the afternoon. Flights to London are more costly in the evening, with an average ticket price of $1,018. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $817 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 $657 on momondo.

United Airlines, British Airways, and Delta are the most popular carriers operating from Indiana to London

American Airlines, British Airways and United Airlines 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 31% 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 April 2026, 321 flights take off from Indiana and land in London each week. The most common flight departure day for this route is Wed, with 17% of weekly flights taking off on this day.

If you’re flying from a popular airport in Indiana, such as Fort Wayne or South Bend, and flying into London, then you can expect flight times to average 10h 17m and 10h 31m, respectively.