$235 Find Cheap Flights from Boston to San Francisco – Compare and Save

At San Francisco Airport, pets that are traveling in the baggage compartment will be delivered at the baggage claim area. If you instead brought your pet using your airline’s cargo service, you must contact your airline directly. Each airline has its own off-site cargo office location where you can retrieve your pet after your flight.

The airport offers a free cell phone lot that is located near the long-term parking lot. Drivers are advised to park there until your flight arrives, since there is no parking of any kind at the terminal building. The maximum waiting time allowed in the cell phone lot is sixty minutes.

There is a full United States Postal Branch at the airport just north of the airport, and there are mailboxes located outside each of the terminal buildings. If you are simply in need of stamps, there are stamp machines located on the Departures level of all of the terminal buildings.

Upon arrival at San Francisco International, you should collect all of your bags and then request your ride. Once you have requested your ride you may meet Uber Pool and Express Pool rides on level 5 of the domestic garage and all other rides, such as Uber Black and SUV, can be met at the departures level located on the second floor of the domestic terminal.

Among airlines operating Boston to San Francisco 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 Boston and San Francisco. The airlines offering direct flights on this route include:

• United Airlines
• JetBlue
• Delta

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

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.

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

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

Prices vary by airline.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average $429 return via Atlanta Hartsfield-Jackson (ATL), compared with $571 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 Boston to San Francisco most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) – 32% of one-stop connections
• Chicago O'Hare Intl (ORD) – 11% of one-stop connections
• Philadelphia (PHL) – 7% of one-stop connections
• San Diego (SAN) – 6% of one-stop connections

Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 27% on the Boston to San Francisco route. Wednesday is the cheapest departure day at $522 return on average, while Sunday is the most expensive at $706, a difference of $184. 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 Boston to San Francisco route, 21% of flights were delayed in the past 3 months, with delays averaging 2 hours 54 minutes.

Morning is the busiest departure period on Boston to San Francisco flights, with 51% leaving in that window. Afternoon departures account for 21%, Evening flights for 21%, and Night flights for 7%.

Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square, and 201 Folsom Street. These are among the most viewed places in San Francisco on KAYAK.

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

• Earliest: departs at 06:00 and lands at 12:38
• Latest: departs at 21:35 and lands at 04:13.

The flight takes about 6h 38m.

Last-minute fares on this route (booked within 2 weeks of departure) run 41% above the route average of $568. Book 15 weeks before departure for the lowest fares.

A direct flight from Boston to San Francisco takes 6h 38m, 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 $446 to $3,403. That means the highest observed fare was about 8x higher than the lowest one.

One-way fares from Boston to San Francisco are currently lower than usual. Average one-way flight prices are about $256, which is 33% below the typical average for this route.

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

• United Airlines: 81% on time
• Delta: 80% on time
• JetBlue: 76% on time

On average, flights on this route are punctual 79% of the time.

Night 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 Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time of 7h 32m, compared to 7h 42m via Lambert-St Louis (STL) and 8h 17m via Salt Lake City (SLC).

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

San Francisco Airport (SFO) hosts 5 major car hire companies, with daily rates starting from around $21 for economy cars. Top options include:
· Thrifty
· Europcar
· Dollar
· Hertz
· Fox

Return flights from Boston to San Francisco range from $448 to $756, with an average of $568 over the past 12 months. Anything below $448 counts as a good deal.

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

• • JetBlue
• • Delta