Cheap flights from Los Angeles to Chicago from C$ 165

In general, October is the cheapest month to fly from Los Angeles to Chicago O'Hare Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 417. The month of September is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Los Angeles averaging around C$ 418.

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as C$ 415. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Los Angeles to Chicago O'Hare Intl Airport for around C$ 898.

In the afternoon is the cheapest time of day to fly from Los Angeles to Chicago O'Hare Intl Airport when you can find flight prices for as low as C$ 507. Flying to Chicago O'Hare Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 911 on average. Flights to Chicago O'Hare Intl Airport from Los Angeles in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 C$ 494 when searching weeks out. 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 C$ 427 on momondo.

There are 4 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.

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 has had the least delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

122 flights are operational daily from Los Angeles to Chicago O'Hare Intl Airport as of August 2026. The most popular departure time for this route is 10:00a.m., with 45% of flights per day taking off at noon.

As of August 2026, there are 858 flights per week flying from Los Angeles to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Tue, with 16% of flights taking off on this day.