Cheapest one-way flights from Las Vegas to San Diego in January from $27

AirHint found the following cheapest one-way flights from Las Vegas (LAS) to San Diego (SAN) in January 2026 (see full year).

One-Way flights

15 Jan Frontier Airlines direct
22 Jan Alaska Airlines direct
31 Jan Southwest Airlines direct
05 Jan Southwest Airlines direct
01 Jan Southwest Airlines direct
25 Jan Frontier Airlines direct
19 Jan Southwest Airlines direct
04 Jan United
04 Jan Frontier Airlines direct

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

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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