$57 Find Cheap United Airlines Flights from San Francisco to San Diego

When to Book Flights with United Airlines from San Francisco to San Diego

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

  Generally, when trying to get a below average price for your ticket, try to book around 14 days before departure. For the cheapest possible price, our data suggests booking 51 days before departure.

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

  With an average price of $203 return, United Airlines is not the cheapest airline to fly from San Francisco to San Diego with. Instead, for the lowest price, our data suggests flying with Spirit Airlines, where a return flight costs $87 on average.

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

  In the last 3 days, the lowest price for a flight with United Airlines from San Francisco to San Diego was $56 for a return flight and $28 for a one-way flight.

• Does United Airlines fly direct to San Diego from San Francisco?

  Yes, United Airlines does offer direct flights for the route, with around 11 flights per week.

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

  On average, the cheapest day of the week to fly from San Francisco to San Diego with United Airlines is Sunday, when prices are around $28. The most expensive day is generally Saturday, where the average price is around $58.

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

  The cheapest month for United Airlines flights to San Diego from San Francisco is generally March, where plane tickets cost $68 on average. If possible, try to avoid the most expensive months of June and October, where tickets cost $174 and $178 respectively.