Cheapest return flights from Las Vegas to San Diego in April from $56

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

Return flights

24 Apr - 26 Apr Frontier Airlines direct
02 Apr - 05 Apr Frontier Airlines direct
10 Apr - 12 Apr Frontier Airlines direct
06 Apr - 17 Apr Frontier Airlines direct
22 Apr - 25 Apr Southwest Airlines direct
06 Apr - 10 Apr Frontier Airlines direct

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

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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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