Cheapest one-way flights from Seattle to Las Vegas in September from 35€

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

One-Way flights

25 Sep Frontier Airlines direct
29 Sep Frontier Airlines direct
22 Sep Frontier Airlines direct
07 Sep Frontier Airlines direct
14 Sep Frontier Airlines direct
04 Sep Frontier Airlines direct
03 Sep Hawaiian Airlines direct
02 Sep Delta direct
01 Sep Delta direct
27 Sep Delta direct

Also check the deals for return 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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