Route Price Intelligence
Cheap Flights From Chicago to Los Angeles
Live pricing benchmarks, monthly patterns, and historical lows for this route.
O'Hare to LAX is $115 round trip nonstop on Frontier, down from the usual $251, a 54% discount. Dates are open over the next several months for beach days in Santa Monica, a Griffith Park hike, or a quick Hollywood weekend. It's one of the cheapest ways we've tracked from Chicago to Southern California this year.
✓ 4 date combinations found at this price
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Best Time to Fly from Chicago to Los Angeles
The cheapest time to fly from Chicago to Los Angeles is typically August, when fares average around $251. The most expensive month tends to be May at around $430. For the best deals, consider flying in August, September, October.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route