$79 Find Cheap United Airlines Flights from Portland to San Francisco

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

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

  Generally, when trying to get a below average price for your ticket, try to book around 13 days before departure. For the cheapest possible price, our data suggests booking 13 days before departure.

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

  With an average price of $240 return, United Airlines is not the cheapest airline to fly from Portland to San Francisco with. Instead, for the lowest price, our data suggests flying with Frontier, where a return flight costs $91 on average.

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

  In the last 3 days, the lowest price for a flight with United Airlines from Portland to San Francisco was $167 for a return flight and $77 for a one-way flight.

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

  Yes, United Airlines does offer direct flights for the route, with around 4 flights per week.

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

  On average, the cheapest day of the week to fly from Portland to San Francisco with United Airlines is Monday, when prices are around $38. The most expensive day is generally Saturday, where the average price is around $88.

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

  The cheapest month for United Airlines flights to San Francisco from Portland is generally January, where plane tickets cost $88 on average. If possible, try to avoid the most expensive months of April and July, where tickets cost $180 and $208 respectively.