Cheapest one-way flights from San Diego to San Francisco in April from $46
AirHint found the following cheapest one-way flights from San Diego (SAN) to San Francisco (SFO) in April 2025 (see full year).
One-Way flights
| 29 Apr | Alaska Airlines | direct | |
| 30 Apr | Alaska Airlines | direct | |
| 28 Apr | Southwest Airlines | ||
| 28 Apr | Frontier Airlines | direct | |
| 27 Apr | Frontier Airlines | ||
| 27 Apr | Alaska Airlines | direct |
Also check the deals for return flights from San Diego to San Francisco in April.
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.
