Cheapest one-way flights from Portland to Las Vegas in September from $47

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

One-Way flights

27 Sep Spirit Airlines direct
09 Sep Spirit Airlines direct
04 Sep Spirit Airlines direct
05 Sep Spirit Airlines direct
12 Sep Spirit Airlines direct
16 Sep Spirit Airlines direct
19 Sep Spirit Airlines direct
20 Sep Spirit Airlines direct
17 Sep Spirit Airlines direct
30 Sep Spirit Airlines direct

Also check the deals for return flights from Portland 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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