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San Francisco to Boston Logan International Airport flight

Displayed flight fares from San Francisco to Boston Logan International Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from San Francisco to Boston Logan International Airport

What is the cheapest month for one-way flights from San Francisco to Boston Logan International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from San Francisco to Boston Logan International Airport for each month in the Trip.com database.

Based on Trip.com’s data from the past 12 months, the cheapest month to fly one-way from San Francisco to Boston Logan International Airport is January, with an average price of $213. The priciest month is usually March, when the average price can reach $339.

$339
$276
$213
$150
    Cheapest
  • $300
    Jun
  • $251
    Jul
  • $274
    Aug
  • $215
    Sep
  • $281
    Oct
  • $241
    Nov
  • $246
    Dec
  • $213
    Jan
  • $261
    Feb
  • $339
    Mar
  • $295
    Apr
  • $276
    May

What’s the cheapest month to fly round-trip from San Francisco to Boston Logan International Airport?

The data is based on the past 12 months and shows the average monthly round-trip fares from San Francisco to Boston Logan International Airport in the Trip.com database.

Based on Trip.com’s data from the past 12 months, September is typically the cheapest month to find flights from San Francisco to Boston Logan International Airport, with an average price of $350. In contrast, November is usually the most expensive month, with average fares reaching $694.

$694
$522
$350
$178
    Cheapest
  • $525
    Jun
  • $448
    Jul
  • $447
    Aug
  • $350
    Sep
  • $664
    Oct
  • $694
    Nov
  • $424
    Dec
  • $504
    Jan
  • $405
    Feb
  • $506
    Mar
  • $528
    Apr
  • $513
    May

What is the cheapest day of the week to fly from San Francisco to Boston Logan International Airport?

The data is based on the past 12 months and shows the average ticket prices from San Francisco to Boston Logan International Airport for each day of the week in the Trip.com database.

Based on Trip.com’s data from the past 12 months, the cheapest day to depart from San Francisco to Boston Logan International Airport is Wednesday, with average fares generally lower than other days. You’ll want to avoid flying on Sunday, as ticket prices are usually the highest that day.

$303
$265
$226
$188
    Cheapest
  • $262
    Mon
  • $234
    Tue
  • $226
    Wed
  • $257
    Thu
  • $272
    Fri
  • $280
    Sat
  • $303
    Sun

Cheap Flights from San Francisco to Boston Logan International Airport

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Flight Schedule from San Francisco to Boston Logan International Airport

Flight info.
Departure
Arrival
Weekly Schedule
  1. B6134

    11:59 PM

    SFO

    5h 41m

    8:40 AM

    BOS

    S M T W T - S
    Search
  2. DL860

    3:00 PM

    SFO

    5h 40m

    11:40 PM

    BOS

    S M T W T - -
    Search
  3. B6434

    8:20 AM

    SFO

    5h 39m

    4:59 PM

    BOS

    S M T W T F S
    Search
  4. DL1655

    10:06 PM

    SFO

    5h 44m

    6:50 AM

    BOS

    S - - W T F S
    Search
  5. DL977

    12:20 PM

    SFO

    5h 42m

    9:02 PM

    BOS

    S M T W T F S
    Search
  6. AS307

    9:28 PM

    SFO

    5h 44m

    6:12 AM

    BOS

    - - - W - - -
    Search
  7. DL400

    7:00 AM

    SFO

    5h 43m

    3:43 PM

    BOS

    S M T W T F S
    Search
  8. F91448

    10:10 PM

    SFO

    5h

    Nonstop

    6:10 AM

    ATL

    S M T W T F S
    Search
  9. F93512

    5:05 AM

    ATL

    2h 44m

    Nonstop

    7:49 AM

    BOS

    S M T W T F S
  10. AA2045

    9:10 PM

    SFO

    5h 28m

    Nonstop

    5:38 AM

    PHL

    S M T W T F S
    Search
  11. AA2783

    8:30 AM

    PHL

    1h 31m

    Nonstop

    10:01 AM

    BOS

    S M T W T F S
  12. AS3337

    4:24 PM

    SFO

    1h 45m

    Nonstop

    6:09 PM

    SAN

    - - T W T F S
    Search
  13. AS255

    8:52 PM

    SAN

    5h 48m

    Nonstop

    5:40 AM

    BOS

    S M T W T F S
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Flight Info of Flights from San Francisco to Boston Logan International Airport

Cheapest round-trip ticket price$269
Cheapest one-way flight price$133
Off-season for travelOctober
Peak season for travelJuly

FAQs for San Francisco to Boston Logan International Airport Flights

  • When are flight tickets from San Francisco (SFO) to Boston (BOS) the cheapest?

    Airlines adjust prices for flights from San Francisco to Boston based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • According to Trip.com's data, the lowest price is around $329.
  • It takes around 5 hours 47 minutes to fly from San Francisco (SFO) to Boston (BOS).

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 26 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.