Cheapest return flights from Chicago to Las Vegas in September from $209

Best time to book flights for Chicago (ORD) to Las Vegas (LAS) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to Las Vegas (LAS) in September 2025 (see full year).

Return flights

09 Sep - 13 Sep American Airlines direct
22 Sep - 26 Sep Spirit Airlines direct
16 Sep - 18 Sep Spirit Airlines direct
18 Sep - 22 Sep Spirit Airlines direct
11 Sep - 19 Sep Spirit Airlines direct
27 Sep - 29 Sep Spirit Airlines direct
19 Sep - 22 Sep Spirit Airlines
01 Sep - 30 Sep Alaska Airlines
01 Sep - 19 Sep Sun Country Airlines
01 Sep - 13 Sep Sun Country Airlines
22 Sep - 02 Oct Sun Country Airlines
11 Sep - 02 Oct Sun Country Airlines
22 Sep - 05 Oct Sun Country Airlines
22 Sep - 12 Oct Sun Country Airlines

Also check the deals for one-way flights from Chicago to Las Vegas 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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