Cheapest one-way flights from Las Vegas to San Diego in September from $29

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

One-Way flights

27 Sep Spirit Airlines direct
05 Sep Spirit Airlines direct
08 Sep Spirit Airlines direct
10 Sep Spirit Airlines direct
06 Sep Spirit Airlines direct
04 Sep Spirit Airlines direct
09 Sep Spirit Airlines direct
11 Sep Spirit Airlines direct
30 Sep Spirit Airlines direct
24 Sep Spirit Airlines direct

Also check the deals for return flights from Las Vegas to San Diego 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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