Cheapest return flights from San Diego to San Francisco in May from $51

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

01 May - 01 May United direct
01 May - 05 May Frontier Airlines direct
02 May - 05 May Frontier Airlines direct
02 May - 04 May Frontier Airlines direct
03 May - 10 May Frontier Airlines direct
10 May - 10 May Frontier Airlines direct
20 May - 27 May United direct
03 May - 26 May Frontier Airlines direct
31 May - 02 Jun Frontier Airlines direct
24 May - 27 May Frontier Airlines direct
22 May - 24 May Frontier Airlines direct
30 May - 02 Jun Frontier Airlines direct
22 May - 03 Jun Frontier Airlines direct
30 May - 01 Jun Frontier Airlines direct
27 May - 01 Jun Hawaiian Airlines direct
26 May - 16 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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