AirHint found the following cheapest return flights from San Jose (SJC) to Las Vegas (LAS) in October 2025 (see full year).

Return flights

31 Oct - 07 Nov	Frontier Airlines	direct
31 Oct - 03 Nov	Frontier Airlines	direct
31 Oct - 06 Nov	Frontier Airlines
31 Oct - 02 Nov	Frontier Airlines
30 Oct - 03 Nov	Alaska Airlines
31 Oct - 31 Oct	Alaska Airlines
31 Oct - 06 Nov	Delta	direct
31 Oct - 31 Oct	Southwest Airlines	direct
30 Oct - 03 Nov	Southwest Airlines	direct
31 Oct - 01 Nov	Southwest Airlines	direct
31 Oct - 02 Nov	Delta	direct
30 Oct - 02 Nov	Southwest Airlines	direct

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

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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Cheapest return flights from San Jose to Las Vegas in October from $169

Return flights