Popular in | June |
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Cheapest in | February |
Round-trip from | C$ 377 |
One-way from | C$ 245 |
Wednesday flights are found to be more expensive to fly from Boston to San Francisco. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Francisco.
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 53 days in advance, which can save you up to 68% on flights from Boston to San Francisco compared to booking the week you need them. Waiting 53 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 573. For sooner than that we have options available in the next 3 days from C$ 740.
The best pricing can be found in the month of February. Prices to San Francisco from Boston average C$ 506. You can even find prices in February for less than C$ 506, as users have found deals to San Francisco from as low as C$ 148. The month of June appears to be one of the more expensive times to travel to San Francisco from Boston. Flying in the targeted month can save you up to 25%.
When flying from Boston to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 23% versus a flight at noon.
Fly from
Fly to
Budget
C$ 299 - C$ 492
Route
Depart
Return
Price
Boston Logan IntlSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 27/8
Nonstop6h 42m
San Francisco
Wed 11/9
Nonstop5h 48m
Boston Logan IntlSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sun 1/9
Nonstop6h 42m
San Francisco
Wed 11/9
Nonstop5h 48m
Boston Logan IntlSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sun 1/9
Nonstop6h 34m
San Francisco
Wed 4/9
Nonstop5h 33m
Boston Logan IntlSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 20/8
Nonstop6h 30m
San Francisco
Tue 27/8
1 stop9h 37m
Boston Logan IntlSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 5/9
Nonstop6h 35m
San Francisco
Sun 8/9
Nonstop5h 46m
Boston Logan IntlSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sat 14/9
Nonstop6h 35m
San Francisco
Tue 8/10
1 stop10h 10m
Boston Logan IntlSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sat 20/7
1 stop8h 13m
San Francisco
Thu 25/7
1 stop20h 41m
Boston Logan IntlSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 20/8
Nonstop6h 32m
San Francisco
Mon 26/8
1 stop8h 58m
Boston Logan IntlSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Mon 15/7
2 stops16h 40m
San Francisco
Thu 18/7
3 stops21h 55m
SFO Temperature | 11 - 17 °C |
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If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).
Crew
Comfort
Food
Boarding
Entertainment
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Crew
Comfort
Food
Boarding
Entertainment
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Crew
Comfort
Food
Boarding
Entertainment
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Crew
Comfort
Food
Boarding
Entertainment
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Crew
Comfort
Food
Boarding
Entertainment
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Crew
Comfort
Food
Boarding
Entertainment
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
9%of flight departures | Early morningMidnight to 6 am |
---|---|
37%of flight departures | Morning6 am to noon |
44%of flight departures | AfternoonNoon to 6 pm |
10%of flight departures | Evening6 pm to midnight |
Sunday | 48daily flights |
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Monday | 51daily flights |
Tuesday | 45daily flights |
Wednesday | 40daily flights |
Thursday | 45daily flights |
Friday | 50daily flights |
Saturday | 33daily flights |
When you search for this flight from Boston to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
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