Save time at SFO by using the AirTrain Red Line to quickly navigate between terminals after security.
Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $228 (Booking.com) |
One-way from | $119 (JetBlue) |
Popular in | June |
Cheapest in | January |
Average price | $397 |
Good round-trip deal | $309 or less |
Good one-way deal | $149 or less |
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Thu 5/1
11:50 pm-11:52 am
1 stop9h 02m
Boston Logan Intl
Sat 5/3
9:40 am-10:22 pm
1 stop15h 42m
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Sat 5/10
7:35 am-4:15 pm
Nonstop5h 40m
Boston Logan Intl
Sat 5/10
7:47 pm-11:34 pm
Nonstop6h 47m
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Thu 5/29
10:26 pm-9:55 am
1 stop8h 29m
Boston Logan Intl
Sat 6/7
4:49 pm-11:53 pm
1 stop10h 04m
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Sat 5/17
8:47 pm-5:40 am
Nonstop5h 53m
Boston Logan Intl
Sat 5/24
7:59 pm-11:44 pm
Nonstop6h 45m
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Sat 5/10
6:00 am-2:45 pm
Nonstop5h 45m
Boston Logan Intl
Sat 5/10
5:30 pm-11:40 pm
1 stop9h 10m
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Wed 6/4
1:00 pm-9:47 pm
Nonstop5h 47m
Boston Logan Intl
Tue 6/10
8:31 pm-12:23 am
Nonstop6h 52m
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Fri 5/2
9:25 pm-6:13 am
Nonstop5h 48m
Boston Logan Intl
Tue 5/6
2:00 pm-5:44 pm
Nonstop6h 44m
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Fri 5/2
10:33 pm-10:34 am
1 stop9h 01m
Boston Logan Intl
Mon 5/5
6:35 am-1:19 pm
1 stop9h 44m
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Fri 7/4
10:05 am-9:30 pm
1 stop8h 25m
Boston Logan Intl
Tue 8/12
9:25 am-6:20 pm
2 stops11h 55m
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Tue 5/13
6:00 am-2:45 pm
Nonstop5h 45m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy- | Trust Score*3 stars | |
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy- | Trust Score*1 star |
The best time to book flights from San Francisco to Boston is 64 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, January is the cheapest month in which you can book a flight from San Francisco to Boston (average of $218). Flying from San Francisco to Boston in July is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from San Francisco to Boston in the afternoon. Doing so could potentially save you 15% on the flight price compared to flying in the morning, which is usually more expensive.
Travelers seeking maximum savings on their San Francisco to Boston flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from SFO to BOS are scheduled on a Thursday (47 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 on average).
In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.
If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).
Boarding
Entertainment
Comfort
Overall
Crew
Food
Reviews
Cheri,Jan 2025
FAT - SEA
Boarding
Entertainment
Comfort
Overall
Crew
Food
Reviews
Cheri,Jan 2025
FAT - SEA
Boarding
Entertainment
Comfort
Overall
Crew
Food
Reviews
Cheri,Jan 2025
FAT - SEA
Boarding
Entertainment
Comfort
Overall
Crew
Food
Reviews
Cheri,Jan 2025
FAT - SEA
Boarding
Entertainment
Comfort
Overall
Crew
Food
Reviews
Cheri,Jan 2025
FAT - SEA
Boarding
Entertainment
Comfort
Overall
Crew
Food
Reviews
Cheri,Jan 2025
FAT - SEA
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$103 | Average$153 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$117 | Average$363 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$144 | Average$362 | FlexibilityNo cancel fee | On-time85% | |
Cheapest$160 | Average$338 | FlexibilityNo cancel fee | On-time83% | |
Cheapest$170 | Average$385 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$192 | Average$376 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$218 | Average$423 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$228 | Average$466 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$391 | Average$511 | FlexibilityNo cancel fee | On-time63% |