AirHint found the following cheapest return flights from Santa Ana (SNA) to San Francisco (SFO) in May 2025 (see full year).
04 May - 08 May | United | direct | |
28 May - 04 Jun | Alaska Airlines | direct | |
11 May - 18 May | Alaska Airlines | direct |
Also check the deals for one-way flights from Santa Ana to San Francisco in May.
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.