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  1. Flights
  2. United States
  3. San Francisco, CA
  4. Boston, MA - San Francisco, CA

Cheap Flights from Boston, MA (BOS) to San Francisco, CA (SFO)

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Discover the cheapest flights from Boston, MA to San Francisco, CA
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Wed, Jan 28 - Tue, Feb 3
Alaska Airlines
Alaska Airlines1 stop
BOS - SFO
American Airlines
American Airlines1 stop
SFO - BOS
202$
Prime price per passenger
Tue, Jan 20 - Wed, Jan 21
Alaska Airlines
Alaska Airlines1 stop
BOS - SFO
Alaska Airlines
Alaska Airlines1 stop
SFO - BOS
238$
224$
Prime price per passenger
Tue, Feb 10 - Wed, Feb 11
Alaska Airlines
Alaska Airlines1 stop
BOS - SFO
Alaska Airlines
Alaska Airlines1 stop
SFO - BOS
247$
232$
Prime price per passenger
Wed, Jan 7 - Wed, Jan 7
Alaska Airlines
Alaska AirlinesDirect
BOS - SFO
Alaska Airlines
Alaska Airlines1 stop
SFO - BOS
256$
242$
Prime price per passenger
Thu, Feb 19 - Wed, Feb 25
Alaska Airlines
Alaska Airlines1 stop
BOS - SFO
Alaska Airlines
Alaska Airlines1 stop
SFO - BOS
267$
252$
Prime price per passenger
Sat, Dec 20 - Fri, Dec 26
Sun Country Airlines
Sun Country Airlines1 stop
BOS - SFO
Alaska Airlines
Alaska Airlines1 stop
SFO - BOS
535$
518$
Prime price per passenger
Wed, Jan 14
Alaska Airlines
Alaska Airlines1 stop
BOS - SFO
123$
112$
Prime price per passenger
Wed, Jan 28
Alaska Airlines
Alaska Airlines1 stop
BOS - SFO
123$
112$
Prime price per passenger
Wed, Jan 7
Alaska Airlines
Alaska Airlines1 stop
BOS - SFO
128$
116$
Prime price per passenger
Wed, Feb 11
Alaska Airlines
Alaska Airlines1 stop
BOS - SFO
123$
118$
Prime price per passenger
Thu, Feb 19
Alaska Airlines
Alaska Airlines1 stop
BOS - SFO
146$
134$
Prime price per passenger
Sat, Dec 20
Sun Country Airlines
Sun Country Airlines1 stop
BOS - SFO
310$
300$
Prime price per passenger
Prices shown below were available within the past 3 days for the period specified and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from Boston, MA to San Francisco, CA

Flexible with dates? We find the best price for the week of the day you select *Prices may vary after you search.
Filter by
week: Jan 26 - Feb 1
Flights from just $265
$303
$492
$563
$616
$362
$332
$273
$265
$290
$476
$371
$306
DecemberJanuaryFebruary
Flying Time6 h and 47 mWhen flying from Boston, MA to San Francisco, CA, this can take around 6 h and 47 m in flying time, however this flight duration can vary due to other factors
Cheapest flight$111The best price for flights from Boston, MA to San Francisco, CA offered by eDreams, which have been found by our customers in the last 3 days
Departure AirportLogan International AirportLogan International Airport is where you'll take off when flying from Boston, MA to San Francisco, CA
Arrival AirportSan Francisco Intl AirportYou'll land at San Francisco Intl Airport when flying from Boston, MA to San Francisco, CA
Peak seasonDecemberDecember is the busiest time to fly from Boston, MA to San Francisco, CA according to search data results from our customers
Airlines operating this routeAlaska Airlines, American AirlinesAirline(s) that fly from Boston, MA to San Francisco, CA
Best time to bookOctoberOctober is one of the most frequent times to fly to San Francisco, CA from Boston, MA according to real data from our customers
Airlines that fly from Boston, MA to San Francisco, CA
Sun Country Airlines
Sun Country Airlines
82$
United Airlines
United Airlines
1274$
Virgin America
Virgin America

Local currency and cost comparison

TrainLocal, one-way ticket
30%Trains are 30% more expensive in San Francisco, CA than in Boston, MA.
Boston, MA$2.40
San Francisco, CA$3.00
MealMid-priced restaurant
20%The average meal is 20% more expensive in San Francisco, CA than in Boston, MA.
Boston, MA$25.00
San Francisco, CA$30.00
TaxiStandard daytime start rate
60%Taxis are 60% more expensive in San Francisco, CA than in Boston, MA.
Boston, MA$2.60
San Francisco, CA$4.15
CoffeeRegular cappuccino
10%Coffee is 10% more expensive in San Francisco, CA than in Boston, MA.
Boston, MA$5.23
San Francisco, CA$5.75
Distance: 2692 miles
Boston, MA airports
Logan International Airport (BOS)How far from city center: 3 miles
San Francisco, CA airports
San Francisco Intl Airport (SFO)How far from city center: 11 miles

Flights from Boston, MA

Boston is located towards the north east of the US in the state of Massachusetts. It attracts more than 20 million visitors per year. There are four commercial airports that serve regions in and around Boston. The Logan International Airport is the most widely used airport in the city. It's one of the top 20 busiest airports in the US. It handles more than 33 million passengers each year and has four terminals. Several U.S. carriers offer flights from Boston to San Francisco and other primary hubs. American Airlines, JetBlue and Delta Air Lines, carry out large operations from this particular airport.

Travelling to Boston, MA airport

Passengers on flights from Boston to San Francisco can choose from the MBTA Commuter Rail, the intercity bus, Amtrak train service or the Red Line rapid transit rail to get to South Station. This is Boston's main transportation center. You'll find free MBTA Silver Line buses that transport you from South Station to the airport terminals. If you're using the Blue Line train, get off at Airport Station and take the free shuttle bus service to reach the airport terminal. You could also use a water taxi to reach the airport from downtown Boston. If that's not your preferred mode of transportation, hire a taxi or rent a car.

Reaching San Francisco, CA

People visit Boston for various reasons; the city has much to offer people with varied interests. Take a walk along the beautiful Beacon Hill to see its outstanding red brick houses and tiny cobblestone streets. Whether you're traveling for business or leisure, check out the many waterfront restaurants at Harborwalk. Once you fill up on food, take a walk around one of San Francisco's attractive museums. The Harvard Museum of Natural History, the Museum of Fine Arts and the Boston Children's Museum are popular choices. Walking around museums is not enough; visit the New England Holocaust Memorial, plan a cruise or explore the nightclubs after sunset. San Franciso certainly put's on a good show.

Getting to the city center

The SFO International Airport is located 13 miles away from downtown. Passengers traveling from the airport to the city centre use the BART rapid rail, Caltrain Commuter Rail or the SamTrans Public Bus Service. Most flights to San Francisco from Boston arrive at this airport. Passengers also frequent the Oakland International Airport. BART serves passengers traveling from OAK. If you'd like to get a BART train from the SFO airport, head to the BART station at the departure level. You can buy tickets on the spot. BART trains connect you to the Caltrain rail system. There's a free AirTrain service that transports passengers to terminals, stations and car rental centers at the airport.

Frequently asked questions about flights from Boston, MA to San Francisco, CA

What are the benefits of booking flexible flight tickets?
Using the flexible flight ticket, you're guaranteed a refund or a rebooking option (without fees) in case of flight cancellations when travelling to United States. At eDreams have you covered!
For flights from Boston, MA to San Francisco, CA, how can I find the cheapest price?
The cheapest price for a flight from Boston, MA to San Francisco, CA is $112. At eDreams we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.
Is San Francisco, CA more expensive than Boston, MA to visit?
Looking at cab fares, a ride in San Francisco, CA costs about $ 4.15 USD, 60% more expensive than Boston, MA, with a fare of $ 2.60 USD,
while train tickets cost 25% more at San Francisco, CA: $ 3.00 USD versus $ 2.40 USD at Boston, MA.
If you compare the price of a lunch meal, however, you can find it from 30.00 USD in San Francisco, CA, 20% more than the 25.00 USD in Boston, MA.
The price of the coffee is around 10% more expensive in San Francisco, CA, with an average of 5.75 USD , while in Boston, MA the coffee costs 5.23 USD.
When booking, when is the best time to get the best prices for flights from Boston, MA to San Francisco, CA?
The most popular months to book a trip from Boston, MA to San Francisco, CA are October, May and July, based on the searches of our customers.
When is the best time to travel from Boston, MA to San Francisco, CA?
The best time of the year to visit San Francisco, CA depends on lots of personal preferences, especially the price. Regarding popularity, December is the best month to fly to San Francisco, CA from Boston, MA in terms of searches from our customers, followed by August and May. If you prefer to avoid the busy season and get away from the crowds January, September and March are the months with fewer searches for Boston, MA - San Francisco, CA.
How long does the flight from Boston, MA to San Francisco, CA take?
Flight length from Boston, MA to San Francisco, CA is around 06:47 hours on average, at an average distance of 4,365 km, for flights for the route (which may have 1 or more stops in other cities in between).

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