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Cheapest one-way flights from Seattle (SEA) to Las Vegas (LAS), September

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Dates, airline, and price
Dates	Airline	Price
08 Sep	Frontier Airlines Direct Flight
09 Sep	Frontier Airlines Direct Flight
10 Sep	Frontier Airlines Direct Flight
06 Sep	Frontier Airlines Direct Flight
23 Sep	Frontier Airlines Direct Flight
05 Sep	Frontier Airlines Direct Flight
27 Sep	Frontier Airlines Direct Flight
07 Sep	Frontier Airlines Direct Flight
24 Sep	Frontier Airlines Direct Flight
14 Sep	Frontier Airlines Direct Flight

deals for return flights from Seattle to Las Vegas in September.

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Updated Jul 11, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Seattle (SEA) to Las Vegas (LAS), September

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