Cheap flights from Los Angeles to Chicago from $140

If you don’t want to visit Chicago in September, then you should wait until August to fly from Los Angeles, when ticket prices are also cheap, with an average price of $370.

Our data shows that Sunday is the least expensive day to fly to Chicago. Tickets to fly out on this day can be as low as $289. Flights from Los Angeles to Chicago on a Wednesday will generally be more expensive and average around $1,845. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Los Angeles to Chicago flights are usually those with departure times in the afternoon. Our users have found flights to Chicago in the afternoon for as low as $238. Flights at midday are often more expensive, with an average ticket price of $1,845.

Fly from Los Angeles to Chicago O'Hare Intl for the best Los Angeles - Chicago flight prices

You are more likely to see cheaper flights to Chicago from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $440 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Los Angeles for as low as $311 on momondo.

There are 3 cabin classes available to choose from on Los Angeles to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 2% on your flight if you consider stops on a Los Angeles to Chicago flight.

As of February 2026, prices for Los Angeles to Chicago flights are approximately 51% more expensive when compared to flights at the same time last year.

Historically, on average around 10% of flights between Los Angeles and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 166 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Spirit Airlines have had the fewest delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

As of February 2026, there are 72 flights per day flying from Los Angeles to Chicago. The most common time of day flights depart is 10:00, with 45% of flights taking off at midday.

As of February 2026, there are 505 flights per week flying from Los Angeles to Chicago. The most common day of the week flights depart is Fri, with 17% of flights taking off on this day.