Cheapest return flights from Seattle to Las Vegas in September from 68€

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

Return flights

14 Sep - 26 Sep Frontier Airlines direct
04 Sep - 05 Sep Frontier Airlines direct
04 Sep - 08 Sep Frontier Airlines direct
08 Sep - 15 Sep Frontier Airlines direct
08 Sep - 11 Sep Frontier Airlines direct
15 Sep - 22 Sep Frontier Airlines direct
15 Sep - 26 Sep Frontier Airlines direct
14 Sep - 18 Sep Frontier Airlines direct
25 Sep - 29 Sep Frontier Airlines direct
15 Sep - 18 Sep Frontier Airlines direct
29 Sep - 06 Oct Frontier Airlines
29 Sep - 01 Oct Frontier Airlines
30 Sep - 03 Oct Frontier Airlines
30 Sep - 03 Oct Alaska Airlines direct
29 Sep - 01 Oct Southwest Airlines direct
27 Sep - 01 Oct Delta direct
28 Sep - 02 Oct Delta direct
29 Sep - 06 Oct Frontier Airlines direct
26 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.

Book a cheap hotel in Las Vegas

Cheap car rent in Las Vegas

Feel free to contact us with any feedback or request another flight research.