Cheap flights from Indiana to Los Angeles from $60

In general, July is the cheapest month to fly from Indiana to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $229. If you aren’t able to travel during the month of July, then book flights to Ontario from Indiana during October instead. Flights to Ontario in October, while not as cheap as those in July, still average around $335.

You are more likely to see cheaper flights to Ontario from Indiana when booking week ahead of your departure date. In general, you can expect to find flights to Ontario for around $396 when searching week out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Indiana for as low as $301 on momondo.

Frontier, Delta, and United Airlines are the most popular carriers operating from Indiana to Ontario

American Airlines, Delta and Southwest are the top three most popular airlines that fly to Ontario from Indiana according to our data. American Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 9 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

As of April 2026, 5 flights take off from Indiana and land in Ontario each week. The most common flight departure day for this route is Sat, with 40% of weekly flights taking off on this day.

Average flight duration from Indiana to Ontario depends on which airport you fly into and out of. Flying from Indianapolis to Los Angeles is 4h 23m on average, while flying from Fort Wayne to Los Angeles is 6h 40m on average. Los Angeles is the most popular airport in Ontario.