Cheapest return flights from San Francisco to San Diego in April from 46€

Best time to book flights for San Francisco (SFO) to San Diego (SAN) flights at AirHint

AirHint found the following cheapest return flights from San Francisco (SFO) to San Diego (SAN) in April 2025 (see full year).

Return flights

26 Apr - 28 Apr Frontier Airlines direct
16 Apr - 17 Apr United direct
25 Apr - 29 Apr United direct
30 Apr - 02 May Alaska Airlines direct
30 Apr - 05 May Frontier Airlines
26 Apr - 27 Apr Frontier Airlines direct
24 Apr - 27 Apr Frontier Airlines direct
24 Apr - 04 May Frontier Airlines direct
02 Apr - 07 Apr United direct
10 Apr - 14 Apr Frontier Airlines
21 Apr - 23 Apr Southwest Airlines direct
27 Apr - 04 May Alaska Airlines direct
09 Apr - 14 Apr Southwest Airlines
04 Apr - 08 Apr United direct
30 Apr - 05 May United direct

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

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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