Cheap flights from San Francisco to Boston from ₹ 12,345

The month of January is, on average, the cheapest month to fly to Boston from San Francisco, with most prices found around ₹ 31,047. If you are unable to visit Boston during the month of January, then departing from San Francisco during the month September is also very affordable. Most momondo users find prices during this month for around ₹ 31,969.

The cheapest day to depart from San Francisco to Boston is on a Thursday. Travellers who choose to depart for Boston on a Thursday will often find tickets for as low as ₹ 25,685. On the other hand, Wednesday is the most expensive day to depart from San Francisco because it is more convenient for both business and leisure travellers. As a result, prices tend to be around ₹ 100,635.

Our most recent data shows that the best time of day to fly to Boston is in the evening. Flights from San Francisco to Boston during this time can be as low as ₹ 31,784. Try not to purchase tickets in the morning because they tend to be around ₹ 52,694. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from San Francisco to Boston Logan Intl for the best San Francisco - Boston Logan Intl flight prices

You are more likely to see cheaper flights to Boston from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around ₹ 35,869 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from San Francisco for as low as ₹ 32,153 on momondo.

There are 3 cabin classes available to choose from on San Francisco to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 35% on your flight if you consider stops on a San Francisco to Boston flight.

As of March 2026, prices for San Francisco to Boston flights are approximately 4% cheaper when compared to flights at the same time last year.

Historically, on average around 16% of flights between San Francisco and Boston have experienced a delay on any given week. The average delay length over the past 12 months has been 173 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Alaska Airlines have had the fewest delays on this route over the last 12 months, with about 12% of their flights experiencing any sort of delay.

As of March 2026, 16 flights take off from San Francisco and land in Boston each day. The most common flight departure time for this route is 08:00, with 46% of daily flights taking off in the afternoon.

As of March 2026, 116 flights take off from San Francisco and land in Boston each week. The most common flight departure day for this route is Wed, with 27% of weekly flights taking off on this day.