Cheap flights from Los Angeles to Chicago from $139

The month of September is, on average, the cheapest month to fly to Chicago O'Hare Intl Airport from Los Angeles, with most prices found around $358. If you are unable to visit Chicago O'Hare Intl Airport during the month of September, then departing from Los Angeles during the month August is also very affordable. Most momondo users find prices during this month for around $393.

The cheapest day to depart from Los Angeles to Chicago O'Hare Intl Airport is on a Tuesday. Travellers who choose to depart for Chicago O'Hare Intl Airport on a Tuesday will often find tickets for as low as $401. The most expensive day to fly to Chicago O'Hare Intl Airport is Saturday, with ticket prices averaging around $589.

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 $278. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is at midday when prices are around $1,961.

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 $455 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 $378 on momondo.

No. A direct flight is the cheapest option for a flight between Los Angeles to Chicago O'Hare Intl Airport.

As of May 2026, prices for Los Angeles to Chicago O'Hare Intl Airport flights are approximately 11% cheaper when compared to flights at the same time last year.

Historically, on average around 11% 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 177 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.

Monday 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 May 2026, 91 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 08:00, with 49% of daily flights taking off at midday.

As of May 2026, 638 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 Tue, with 17% of weekly flights taking off on this day.