Cheapest return flights from Chicago to Los Angeles in September from $116

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

27 Sep - 29 Sep Spirit Airlines direct
08 Sep - 12 Sep Spirit Airlines direct
04 Sep - 08 Sep Spirit Airlines direct
12 Sep - 15 Sep Spirit Airlines direct
17 Sep - 21 Sep Spirit Airlines direct
24 Sep - 28 Sep Spirit Airlines direct
20 Sep - 29 Sep Spirit Airlines direct
23 Sep - 30 Sep Spirit Airlines direct
18 Sep - 27 Sep Spirit Airlines direct
19 Sep - 03 Oct Spirit Airlines direct
18 Sep - 20 Sep Spirit Airlines direct
25 Sep - 15 Oct Sun Country Airlines
29 Sep - 15 Oct Sun Country Airlines
29 Sep - 16 Oct Sun Country Airlines
25 Sep - 16 Oct Sun Country Airlines
25 Sep - 12 Oct Sun Country Airlines
29 Sep - 12 Oct Sun Country Airlines
22 Sep - 12 Oct Sun Country Airlines
29 Sep - 19 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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