There are many flights from Los Angeles to Chicago. Some popular airlines that operate this route include American Airlines, Delta Air Lines, United Airlines, Southwest Airlines, and Alaska Airlines. The flight time from Los Angeles to Chicago typically takes around 3-4 hours, depending on the airline and any layovers.

To find specific flight schedules and prices for flights from Los Angeles to Chicago, you can search on various travel websites such as Expedia, Orbitz, Kayak, or the airlines' own websites. Some factors that may affect the price of your flight include the time of year, how far in advance you book your flight, and any connecting flights or layovers.