Cheap flights from Chicago to Los Angeles from $152

The month of September is another great option to travel to Los Angeles, with average flight prices from Chicago averaging around $409.

According to our data, Thursday is the cheapest day to fly to Los Angeles from Chicago. The lowest ticket price found for a Thursday departure recently was $616. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $2,862. These prices are subject to change though, so be sure to set up a Price Alert for flights to Los Angeles.

Flying to Los Angeles from Chicago in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $2,226 when looking at flights departing in the afternoon. Flights to Los Angeles are more costly in the evening, with an average ticket price of $2,285. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Los Angeles from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Los Angeles for around $471 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Los Angeles from Chicago for as low as $378 on momondo.

There are 3 cabin classes available to choose from on Chicago to Los Angeles 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 8% on your flight if you consider stops on a Chicago to Los Angeles flight.

As of September 2026, prices for Chicago to Los Angeles flights are approximately 34% more expensive when compared to flights at the same time last year.

Historically, on average around 20% of flights between Chicago and Los Angeles have experienced a delay on any given week. The average delay length over the past 12 months has been 169 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, United Airlines have had the fewest delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

As of September 2026, 119 flights take off from Chicago and land in Los Angeles each day. The most common flight departure time for this route is 19:00, with 46% of daily flights taking off in the afternoon.

836 flights are operational weekly from Chicago to Los Angeles as of September 2026. The most popular departure day for this route is Thu, with 16% of flights per week taking off on this day.