$119 Find Cheap Delta Flights from San Francisco to Boston

When to Book Flights with Delta from San Francisco to Boston

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

  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 69 days before departure.

• Is Delta the cheapest airline to fly with from San Francisco to Boston?

  With an average price of $380 return, Delta is not the cheapest airline to fly from San Francisco to Boston with. Instead, for the lowest price, our data suggests flying with Frontier, where a return flight costs $168 on average.

• What is the cheapest Delta flight from San Francisco to Boston?

  In the last 3 days, the lowest price for a flight with Delta from San Francisco to Boston was $225 for a return flight and $118 for a one-way flight.

• Does Delta fly direct to Boston from San Francisco?

  Yes, Delta does offer direct flights for the route, with around 12 flights per week.

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

  On average, the cheapest day of the week to fly from San Francisco to Boston with Delta is Monday, when prices are around $99. The most expensive day is generally Wednesday, where the average price is around $125.

• What’s the cheapest month to fly from San Francisco to Boston with Delta?

  The cheapest month for Delta flights to Boston from San Francisco is generally February, where plane tickets cost $179 on average. If possible, try to avoid the most expensive months of December and June, where tickets cost $275 and $288 respectively.