$227 Find Cheap Flights from San Francisco to Boston – Compare and Save

The Embassy Suites by Hilton is a solid choice that is only a 5-minute drive from Logan International Airport and a 15-minute drive from the popular Museum of Fine Arts. The Westin Boston Waterfront is a 4-star choice that is a 10-minute drive from the airport and a 5-minute walk from the waterfront.

If you are traveling with a pet or service animal, make sure to let them relieve themselves after you have arrived at Logan International Airport. There is a pet relief area conveniently located outside of every Arrivals terminal, and travelers can get complimentary waste bags at each location.

If you would like to grab a bite to eat before your flight takes off, make sure to browse through the different dining options at San Jose Mineta International Airport. Flames Eatery and Bar is a casual restaurant that is located in Terminal B and serves American-style meals, while Gordon Biersch Brewing Company is known for having an impressive craft beer selection. Jamba Juice and Peet’s Coffee and Tea are both convenient choices for travelers short on time that would like to purchase to-go items.

Logan International Airport is home to the Our Lady of the Airways Chapel that is located between Terminals B and C and is open to all travelers. The Chapel hosts Mass on Sundays and can be used for individual prayer when a ceremony is not occurring.

Among airlines operating San Francisco to Boston flights:

• JetBlue: offers extra legroom; offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection
• Delta: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

3 airlines operate flights between San Francisco and Boston. The airlines offering direct flights on this route include:

• United Airlines
• JetBlue
• Delta

Flights from San Francisco to Boston usually depart from San Francisco (SFO) and arrive at Boston Logan Intl (BOS).

Here are some options for this route, based on selected ticket types and cabin classes:

• JetBlue: a cabin bag and a checked bag in Economy class
• United Airlines: a cabin bag and a checked bag in Economy class
• Delta: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Two cabin classes are available on flights from San Francisco to Boston:

• Economy class
• Business Class

On this route, stopover flights are cheaper than direct options on average. Stopover fares average $241 return via Baltimore/Washington (BWI), compared with $616 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge $48–$138 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Airbus A318/A319/A320/A321 family is used most often on this route, operated mainly by JetBlue. Other aircraft seen on the route include Airbus A321neo variants.

One-stop flights from San Francisco to Boston most commonly connect through:

• Philadelphia (PHL) – 27% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) – 18% of one-stop connections
• San Diego (SAN) – 9% of one-stop connections
• Denver Intl (DEN) – 7% of one-stop connections

Philadelphia (PHL) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 19% on the San Francisco to Boston route. Wednesday is the cheapest departure day at $547 return on average, while Sunday is the most expensive at $670, a difference of $123. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the San Francisco to Boston route, 20% of flights were delayed in the past 3 months, with delays averaging 2 hours 49 minutes.

Morning is the busiest departure period on San Francisco to Boston flights, with 43% leaving in that window. Afternoon departures account for 36%, Night flights for 21%, and Evening flights for 0%.

Some of the most popular sights in Boston are South Station, John B. Hynes Veterans Memorial Convention Center, and Boston Marriott Copley Place. These are among the most viewed places in Boston on KAYAK.

These are the earliest and latest flight times available from San Francisco to Boston:

• Earliest: departs at 06:00 and lands at 11:47
• Latest: departs at 23:59 and lands at 05:46.

The flight takes about 5h 47m.

Last-minute fares on this route (booked within 2 weeks of departure) run 33% above the route average of $611. Book 4 weeks before departure for the lowest fares.

A direct flight from San Francisco to Boston takes 5h 47m, covering 6,981 km.

No. A passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about $439 to $2,890. That means the highest observed fare was about 7x higher than the lowest one.

One-way fares from San Francisco to Boston are currently lower than usual. Average one-way flight prices are about $244, which is 36% below the typical average for this route.

Alaska Airlines is slightly above the route average for timely arrivals, while United Airlines has a lower on-time arrival rate. On-time arrival rates on San Francisco to Boston flights are:

• Alaska Airlines: 84% on time
• United Airlines: 83% on time
• Delta: 81% on time

On average, flights on this route are punctual 80% of the time.

Evening flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time of 8h 05m, compared to 8h 12m via Baltimore/Washington (BWI) and 8h 24m via Phoenix Sky Harbor Intl (PHX).

Boston is 3 hours ahead of San Francisco (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Boston Logan Intl Airport (BOS) hosts 5 major car hire companies, with daily rates starting from around $32 for economy cars. Top options include:
· Dollar
· Hertz
· Budget
· Thrifty
· Sixt

Return flights from San Francisco to Boston range from $475 to $800, with an average of $611 over the past 12 months. Anything below $475 counts as a good deal.

Two airlines offer in-flight Wi-Fi on San Francisco to Boston flights:

• • JetBlue
• • Delta