Cheapest return flights from Chicago to Los Angeles in September from $218

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 September 2025 (see full year).

Return flights

05 Sep - 08 Sep Spirit Airlines direct
03 Sep - 17 Sep Spirit Airlines direct
19 Sep - 21 Sep Spirit Airlines direct
07 Sep - 10 Sep Spirit Airlines direct
06 Sep - 14 Sep Spirit Airlines direct
13 Sep - 18 Sep Spirit Airlines direct
14 Sep - 19 Sep Spirit Airlines direct
13 Sep - 20 Sep Spirit Airlines direct
03 Sep - 06 Sep Spirit Airlines direct
15 Sep - 20 Sep Spirit Airlines direct
19 Sep - 03 Oct Spirit Airlines direct
30 Sep - 02 Oct Spirit Airlines direct
19 Sep - 09 Oct Sun Country Airlines
21 Sep - 09 Oct Sun Country Airlines

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

Skyscanner

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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