Cheapest return flights from San Diego to San Francisco in May from $41

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

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

Return flights

16 May - 19 May Frontier Airlines direct
09 May - 12 May Frontier Airlines direct
08 May - 11 May Frontier Airlines direct
02 May - 05 May Frontier Airlines direct
01 May - 05 May Frontier Airlines direct
16 May - 16 May Frontier Airlines direct
05 May - 09 May Frontier Airlines direct
14 May - 19 May Frontier Airlines
06 May - 08 May Frontier Airlines
01 May - 06 May Frontier Airlines
29 May - 02 Jun Frontier Airlines direct
30 May - 04 Jun Alaska Airlines direct
31 May - 01 Jun Frontier Airlines direct

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