Cheapest one-way flights from San Diego to San Francisco in April from $21

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

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

09 Apr Alaska Airlines direct
02 Apr Alaska Airlines direct
16 Apr Alaska Airlines direct
03 Apr Alaska Airlines direct
01 Apr Frontier Airlines direct
28 Apr Frontier Airlines direct
10 Apr Frontier Airlines direct
17 Apr Frontier Airlines direct
26 Apr Frontier Airlines direct
04 Apr United direct

Also check the deals for return flights from San Diego to San Francisco in April.

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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