Cheapest return flights from Oakland to San Diego in April from $97

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

Return flights

25 Apr - 28 Apr Alaska Airlines direct
25 Apr - 27 Apr Southwest Airlines direct
27 Apr - 29 Apr Alaska Airlines direct
23 Apr - 30 Apr Alaska Airlines direct
25 Apr - 26 Apr Alaska Airlines direct
24 Apr - 28 Apr Alaska Airlines direct
30 Apr - 02 May Alaska Airlines direct
23 Apr - 26 Apr Alaska Airlines direct
24 Apr - 26 Apr Alaska Airlines direct
30 Apr - 03 May Alaska Airlines direct
11 Apr - 13 Apr Southwest Airlines
21 Apr - 28 Apr Alaska Airlines

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

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