Save time at SFO by using the AirTrain Red Line to quickly navigate between terminals after clearing security.
Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $223 (Kiwi.com) |
One-way from | $134 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $392 |
Good round-trip deal | $334 or less |
Good one-way deal | $179 or less |
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
mié. 11/5
8:00 am-12:20 am
1 stop13h 20m
Boston Logan Intl
mar. 11/11
6:59 pm-10:50 pm
Nonstop6h 51m
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
vie. 11/7
3:20 pm-11:51 pm
Nonstop5h 31m
Boston Logan Intl
mar. 11/11
7:10 am-11:00 am
Nonstop6h 50m
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
sáb. 1/17
12:30 pm-10:55 pm
1 stop7h 25m
Boston Logan Intl
mar. 1/20
4:50 pm-10:20 pm
1 stop8h 30m
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
vie. 3/6
11:59 pm-8:32 am
Nonstop5h 33m
Boston Logan Intl
mar. 3/10
6:00 am-9:55 am
Nonstop6h 55m
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
sáb. 11/15
9:10 pm-5:44 am
Nonstop5h 34m
Boston Logan Intl
lun. 11/17
8:12 pm-11:59 pm
Nonstop6h 47m
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
mié. 3/11
11:20 pm-7:58 am
Nonstop5h 38m
Boston Logan Intl
dom. 3/15
7:55 am-11:53 am
Nonstop6h 58m
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
mié. 11/5
11:40 am-12:20 am
1 stop9h 40m
Boston Logan Intl
lun. 11/17
4:24 pm-3:47 pm
1 stop26h 23m
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
lun. 12/8
12:22 pm-11:59 pm
1 stop8h 37m
Boston Logan Intl
mié. 12/10
4:24 pm-10:48 pm
1 stop9h 24m
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
jue. 11/6
7:00 am-3:42 pm
Nonstop5h 42m
Boston Logan Intl
lun. 11/10
8:05 pm-11:59 pm
Nonstop6h 54m
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
vie. 11/14
12:50 pm-11:40 pm
1 stop7h 50m
Boston Logan Intl
sáb. 11/15
5:20 am-11:00 am
1 stop8h 40m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy2 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy- | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy2 stars | Trust Score*1 star | |
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy2 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from San Francisco to Boston is 69 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, February is the cheapest month in which you can book a flight from San Francisco to Boston (average of $119). Flying from San Francisco to Boston in June is currently the most expensive (average of $218). 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 17% 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 at noon flights should be avoided if possible as fares are typically the most expensive at this time.
About 13% of weekly flights between San Francisco and Boston have experienced delays in the past year, with the average delay time being 162 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Scandinavian Airlines have had the lowest number of delays on this route, with just 5% of flights being delayed.
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Hannah,Aug 2025
SFO - SAN
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Hannah,Aug 2025
SFO - SAN
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Hannah,Aug 2025
SFO - SAN
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Hannah,Aug 2025
SFO - SAN
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Hannah,Aug 2025
SFO - SAN
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Hannah,Aug 2025
SFO - SAN
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$103 | Average$207 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$144 | Average$361 | FlexibilityNo cancel fee | On-time85% | |
Cheapest$160 | Average$348 | FlexibilityNo cancel fee | On-time83% | |
Cheapest$176 | Average$375 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$201 | Average$388 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$205 | Average$412 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$227 | Average$446 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$238 | Average$411 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$246 | Average$406 | FlexibilityNo cancel fee | On-time71% |