$39 Find Cheap Southwest Flights from San Diego to San Francisco

When to Book Flights with Southwest from San Diego to San Francisco

• How far in advance should I book tickets for a flight with Southwest from San Diego to San Francisco?

  Generally, when trying to get a below average price for your ticket, try to book around 17 days before departure. For the cheapest possible price, our data suggests booking 54 days before departure.

• Is Southwest the cheapest airline to fly with from San Diego to San Francisco?

  With an average price of $159 return, Southwest is not the cheapest airline to fly from San Diego to San Francisco with. Instead, for the lowest price, our data suggests flying with Spirit Airlines, where a return flight costs $76 on average.

• What is the cheapest Southwest flight from San Diego to San Francisco?

  In the last 3 days, the lowest price for a flight with Southwest from San Diego to San Francisco was $73 for a return flight and $38 for a one-way flight.

• Does Southwest fly direct to San Francisco from San Diego?

  Yes, Southwest does offer direct flights for the route, with around 32 flights per week.

• What’s the cheapest day of the week to fly from San Diego to San Francisco with Southwest?

  On average, the cheapest day of the week to fly from San Diego to San Francisco with Southwest is Sunday, when prices are around $38. The most expensive day is generally Saturday, where the average price is around $58.

• What’s the cheapest month to fly from San Diego to San Francisco with Southwest?

  The cheapest month for Southwest flights to San Francisco from San Diego is generally February, where plane tickets cost $82 on average. If possible, try to avoid the most expensive months of November and July, where tickets cost $119 and $138 respectively.