Cheapest return flights from Seattle to Las Vegas in September from 72€

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

Return flights

05 Sep - 08 Sep Frontier Airlines direct
04 Sep - 08 Sep Frontier Airlines direct
15 Sep - 19 Sep Frontier Airlines direct
08 Sep - 15 Sep Frontier Airlines direct
20 Sep - 23 Sep Hawaiian Airlines direct
01 Sep - 05 Sep Alaska Airlines direct
05 Sep - 10 Sep Frontier Airlines direct
06 Sep - 11 Sep Alaska Airlines direct
07 Sep - 10 Sep Frontier Airlines direct
09 Sep - 12 Sep Alaska Airlines direct
25 Sep - 01 Oct Southwest Airlines direct

Also check the deals for one-way flights from Seattle 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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