Cheapest return flights from Seattle to Las Vegas in October from $138

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

Return flights

12 Oct - 17 Oct Alaska Airlines direct
01 Oct - 08 Oct Alaska Airlines direct
08 Oct - 15 Oct Alaska Airlines direct
14 Oct - 17 Oct Alaska Airlines direct
09 Oct - 13 Oct Southwest Airlines direct
09 Oct - 14 Oct Southwest Airlines direct
02 Oct - 06 Oct Southwest Airlines direct
09 Oct - 06 Nov Southwest Airlines direct
18 Oct - 25 Oct Alaska Airlines direct
12 Oct - 19 Oct Frontier Airlines
09 Oct - 11 Oct Southwest Airlines direct

Also check the deals for one-way flights from Seattle 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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