Cheap flights from San Francisco Bay Area to Boston from $133

In general, September is the cheapest month to fly from San Francisco Bay Area to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $305. If you aren’t able to travel during the month of September, then book flights to Boston from San Francisco Bay Area during August instead. Flights to Boston in August, while not as cheap as those in September, still average around $345.

The cheapest day to depart from San Francisco Bay Area to Boston is on a Wednesday when prices can be found for as low as $406. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $505.

According to our data, the cheapest time of day to fly to Boston is in the afternoon. momondo users have found flights departing from San Francisco Bay Area to Boston in the afternoon for as low as $400. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Boston, so prices are often more expensive at around $473 per ticket.

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

You are more likely to see cheaper flights to Boston from San Francisco Bay Area when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $410 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from San Francisco Bay Area for as low as $355 on momondo.

There are 4 cabin classes available to choose from on San Francisco Bay Area to Boston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta, United Airlines, and Alaska Airlines are the most popular carriers operating from San Francisco Bay Area to Boston Logan Intl

JetBlue, United Airlines and Delta are the top three most popular airlines that fly to Boston from San Francisco Bay Area according to our data. JetBlue is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 9 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

As of May 2026, 19 flights take off from San Francisco Bay Area and land in Boston each day. The most common flight departure time for this route is 7:00AM, with 38% of daily flights taking off in the afternoon.

As of May 2026, there are 137 flights per week flying from San Francisco Bay Area to Boston. The most common day of the week flights depart is Tue, with 28% of flights taking off on this day.