$174 Find Cheap Flights from San Francisco to Boston - Compare and Save

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

• Earliest: departs at 6:00 am and lands at 11:44 am
• Latest: departs at 11:35 pm and lands at 5:19 am.

The flight takes about 5h 44m.

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

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from San Francisco to Boston takes 5h 44m, covering 2,696 miles.

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.

Round-trip flights from San Francisco to Boston range from $343 to $578, with an average of $442 over the past 12 months. Anything below $343 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 33% above the $442 route average. Book 4 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $174 round-trip via Baltimore/Washington (BWI), compared to $445 for nonstop.

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: 85% on time
• United Airlines: 82% on time
• Delta: 80% on time

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

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$100 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.

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

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $325 to $1,982. That means the highest observed fare was about 6x higher than the lowest one.

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

• JetBlue
• Delta

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

One-way fares from San Francisco to Boston are currently lower than usual. Average one-way flight prices are about $177, which is 36% below the typical average for this route.

Boston Logan Intl Airport (BOS) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:

• Dollar
• Hertz
• Budget
• Thrifty
• Sixt

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

Evening flights have the fewest delays on this route, while afternoon departures tend to have the most.

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 2h 53m.

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

Yes. Flexible dates can save you up to 19% on flights from San Francisco to Boston. Wednesday is the cheapest departure day at $395 round-trip on average, while Sunday is the most expensive at $484, a difference of $89.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

• United Airlines
• JetBlue
• Delta

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 8h 05m, compared with 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.

Some of the most popular sights in Boston are TD Garden, Fenway Park and Boston Common. These are among the most viewed places in Boston on KAYAK.

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.

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 always check the fare details before booking.

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.

Consider buying a lounge ticket to access either the Air France-KLM lounge in the International Terminal’s Concourse A or the Centurion Lounge hosted in Terminal 3’s Gate 74. You may also pay at the entrance to enjoy their services such as books, magazines, and drinks. SFO has also set aside a USO lounge housed in Terminal 1’s Mezzanine Level for active US military members plus their families. It offers refreshments, showers, and toys.

If you are towing with your four-legged friend, you will be happy to hear that San Francisco Airport is home to hygienic pet relief spaces in Terminal 1C, close to Gate C5-C7, and in Terminal 3 Courtyard 4, close to Gate F11. However, the airport has put in place some pet policies that require you to confine your pet in its kennel except while going through screenings for security and potty breaks.

Yes. The shuttle buses at BOS are lift-equipped and have an audio and video stop announcement system. In addition to terminals and garages with elevators, all terminals have curb ramps on all levels as well as accessible restrooms with adult-changing tables.

BOS is a family-oriented airport with child-friendly amenities. Let your kids blow off some steam after your flight from San Francisco at the Kidport play areas in Terminal A’s Gate 18, Terminal B’s Gates B30-B36, and Terminal C’s Gate 25. These spaces are equipped with slides, climbing structures, airfield mimics, and a Boston Logan tower child-sized replica. If you are traveling with toddlers, changing rooms with changing tables are found in all restrooms in the airport.