AirHint found the following cheapest return flights from San Diego (SAN) to Las Vegas (LAS) in March 2026 (see full year).

Return flights

17 Mar - 25 Mar	Southwest Airlines
17 Mar - 25 Mar	Hawaiian Airlines	direct
17 Mar - 26 Mar	Hawaiian Airlines	direct
06 Mar - 08 Mar	Frontier Airlines	direct
12 Mar - 16 Mar	Frontier Airlines	direct
29 Mar - 02 Apr	Alaska Airlines	direct
20 Mar - 22 Mar	United
21 Mar - 22 Mar	United
13 Mar - 15 Mar	Alaska Airlines	direct
26 Mar - 29 Mar	Alaska Airlines	direct
20 Mar - 22 Mar	Alaska Airlines	direct

Also check the deals for one-way flights from San Diego to Las Vegas in March.

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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Cheapest return flights from San Diego to Las Vegas in March from 83€

Return flights