Cheap flights from Los Angeles to Chicago from $170

The month of October is, on average, the cheapest month to fly to Chicago O'Hare Intl Airport from Los Angeles, with most prices found around $480. If you are unable to visit Chicago O'Hare Intl Airport during the month of October, then departing from Los Angeles during the month September is also very affordable. Most momondo users find prices during this month for around $485.

The cheapest day to depart from Los Angeles to Chicago O'Hare Intl Airport is on a Saturday. Travellers who choose to depart for Chicago O'Hare Intl Airport on a Saturday will often find tickets for as low as $454. The most expensive day to fly to Chicago O'Hare Intl Airport is Sunday, with ticket prices averaging around $697.

Our data shows that the cheapest Los Angeles to Chicago O'Hare Intl Airport flights are usually those with departure times in the afternoon. Our users have found flights to Chicago O'Hare Intl Airport in the afternoon for as low as $494. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the morning when prices are around $697.

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

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $524 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Los Angeles for as low as $435 on momondo.

There are 3 cabin classes available to choose from on Los Angeles to Chicago O'Hare Intl Airport 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 44% on your flight if you consider stops on a Los Angeles to Chicago O'Hare Intl Airport flight.

As of November 2026, prices for Los Angeles to Chicago O'Hare Intl Airport flights are approximately 12% cheaper when compared to flights at the same time last year.

Historically, on average around 12% 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 184 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 8% of their flights experiencing any sort of delay.

As of November 2026, 94 flights take off from Los Angeles and land in Chicago O'Hare Intl Airport each day. The most common flight departure time for this route is 23:00, with 44% of daily flights taking off at midday.

As of November 2026, 662 flights take off from Los Angeles and land in Chicago O'Hare Intl Airport each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.