Cheapest return flights from Chicago to Las Vegas in October from $139

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 October 2025 (see full year).

Return flights

05 Oct - 07 Oct Frontier Airlines direct
18 Oct - 21 Oct Spirit Airlines direct
22 Oct - 29 Oct Spirit Airlines direct
24 Oct - 28 Oct Frontier Airlines direct
30 Oct - 02 Nov Frontier Airlines direct
28 Oct - 30 Oct Spirit Airlines direct
06 Oct - 06 Oct Spirit Airlines direct
13 Oct - 16 Oct Frontier Airlines direct
15 Oct - 20 Oct Spirit Airlines
17 Oct - 20 Oct Frontier Airlines
02 Oct - 05 Oct Frontier Airlines
30 Oct - 03 Nov Frontier Airlines direct

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

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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