Cheapest return flights from Chicago to Los Angeles in December from $376

Best time to book flights for Chicago (ORD) to Los Angeles (LAX) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to Los Angeles (LAX) in December 2025 (see full year).

Return flights

06 Dec - 09 Dec Alaska Airlines
03 Dec - 07 Dec Alaska Airlines
17 Dec - 07 Jan Alaska Airlines
03 Dec - 07 Dec United direct
06 Dec - 09 Dec American Airlines direct
17 Dec - 07 Jan American Airlines direct

Also check the deals for one-way flights from Chicago to Los Angeles in December.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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