Cheapest return flights from Oakland to San Diego in May from 82€

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

Return flights

13 May - 20 May Southwest Airlines direct
13 May - 13 May Southwest Airlines direct
03 May - 07 May Alaska Airlines direct
08 May - 10 May Alaska Airlines direct
13 May - 17 May Alaska Airlines direct
01 May - 03 May Alaska Airlines direct
21 May - 25 May Alaska Airlines direct
15 May - 17 May Alaska Airlines direct
22 May - 25 May Alaska Airlines direct

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

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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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