Cheapest return flights from San Diego to Las Vegas in September from $71

Best time to book flights for San Diego (SAN) to Las Vegas (LAS) flights at AirHint

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

Return flights

02 Sep - 06 Sep Alaska Airlines direct
18 Sep - 22 Sep Delta direct
26 Sep - 29 Sep Southwest Airlines
11 Sep - 15 Sep Alaska Airlines direct
12 Sep - 15 Sep Delta direct
29 Sep - 06 Oct Delta direct
26 Sep - 29 Sep Frontier Airlines direct
12 Sep - 14 Sep Frontier Airlines direct
26 Sep - 28 Sep Frontier Airlines direct

Also check the deals for one-way flights from San Diego 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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