Cheapest return flights from San Diego to San Francisco in May from 50€

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 - 17 May Frontier Airlines direct
18 May - 19 May Frontier Airlines direct
17 May - 19 May Frontier Airlines direct
10 May - 15 May Frontier Airlines direct
22 May - 22 May Frontier Airlines direct
18 May - 20 May Frontier Airlines direct
22 May - 26 May Frontier Airlines direct
22 May - 23 May Frontier Airlines direct
30 May - 01 Jun Frontier 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.

Book a cheap hotel in San Francisco

Cheap car rent in San Francisco