Cheap flights from Chicago O'Hare Intl Airport to Los Angeles from $100

The month of September is, on average, the cheapest month to fly to Los Angeles from Chicago O'Hare Intl Airport, with most prices found around $249. If you aren’t able to travel during the month of September, then book flights to Los Angeles from Chicago O'Hare Intl Airport during November instead. Flights to Los Angeles in November, while not as cheap as those in September, still average around $287.

Our data shows that Thursday is the least expensive day to fly to Los Angeles. Tickets to fly out on this day can be as low as $383. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Los Angeles on Sunday is $505.

Our most recent data shows that the best time of day to fly to Los Angeles is in the evening. Flights from Chicago O'Hare Intl Airport to Los Angeles during this time can be as low as $330. In the afternoon is when there is more demand to fly to Los Angeles, so prices are often more expensive at around $688 per ticket.

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

You are more likely to see cheaper flights to Los Angeles from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Los Angeles for around $333 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Los Angeles from Chicago O'Hare Intl Airport for as low as $272 on momondo.

There are 4 cabin classes available to choose from on Chicago O'Hare Intl Airport to Los Angeles flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta, JetBlue, and United Airlines are the most popular carriers operating from Chicago O'Hare Intl to Los Angeles

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Los Angeles from Chicago O'Hare Intl Airport according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Los Angeles. Keep in mind that there are 7 different airlines that fly to Los Angeles on a routine basis, so you have a few additional options to choose from.

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 176 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

As of September 2026, 106 flights take off from Chicago O'Hare Intl Airport and land in Los Angeles each day. The most common flight departure time for this route is 3:00PM, with 40% of daily flights taking off in the afternoon.

As of September 2026, 747 flights take off from Chicago O'Hare Intl Airport and land in Los Angeles each week. The most common flight departure day for this route is Fri, with 18% of weekly flights taking off on this day.