Cheapest return flights from San Francisco to San Diego in May from 37€

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 May 2025 (see full year).

Return flights

03 May - 05 May Frontier Airlines direct
03 May - 10 May Frontier Airlines direct
08 May - 11 May Frontier Airlines direct
16 May - 19 May Frontier Airlines direct
03 May - 04 May Frontier Airlines direct
15 May - 19 May Frontier Airlines direct
02 May - 04 May Frontier Airlines direct
09 May - 11 May Frontier Airlines direct
15 May - 18 May Frontier Airlines direct
01 May - 04 May Frontier Airlines direct

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

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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