$90 Find Cheap United Airlines Flights from San Francisco to Chicago

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

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

  Generally, when trying to get a below average price for your ticket, try to book around 22 days before departure. For the cheapest possible price, our data suggests booking 67 days before departure.

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

  With an average price of $377 return, United Airlines is not the cheapest airline to fly from San Francisco to Chicago with. Instead, for the lowest price, our data suggests flying with Frontier, where a return flight costs $231 on average.

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

  In the last 3 days, the lowest price for a flight with United Airlines from San Francisco to Chicago was $205 for a return flight and $98 for a one-way flight.

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

  Yes, United Airlines does offer direct flights for the route, with around 80 flights per week.

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

  On average, the cheapest day of the week to fly from San Francisco to Chicago with United Airlines is Monday, when prices are around $89. The most expensive day is generally Wednesday, where the average price is around $119.

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

  The cheapest month for United Airlines flights to Chicago from San Francisco is generally April, where plane tickets cost $198 on average. If possible, try to avoid the most expensive months of January and February, where tickets cost $309 and $309 respectively.