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Boston Logan International Airport to San Francisco flight

Explore the cheapest one-way and round-trip flights from Boston Logan International Airport to San Francisco over the next 90 days, with one-way fares from £68 and round-trip from £134. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        BOS 07:35
        6h 29m
        Direct
        SFO 11:04
        Boston - San Francisco | Wed, Oct 7 | Delta Air Lines
        SFO 15:00
        5h 39m
        Direct
        BOS 23:39
        San Francisco - Boston | Wed, Oct 14 | Delta Air Lines
        £225 £403
        44% off
        44% off
        £403 £225
      • BOS 10:10
        6h 32m
        Direct
        SFO 13:42
        Boston - San Francisco | Sat, Oct 3 | Delta Air Lines
        SFO 07:10
        5h 47m
        Direct
        BOS 15:57
        San Francisco - Boston | Tue, Oct 6 | Delta Air Lines
        £229 £403
        43% off
        43% off
        £403 £229
      • BOS 12:54
        9h 54m
        1 stop
        SFO 19:48
        Boston - San Francisco | Sat, Oct 3 | Frontier Airlines
        SFO 22:05
        11h 2m
        1 stop
        BOS 12:07
        San Francisco - Boston | Mon, Oct 5 | Frontier Airlines
        £134 £403
        67% off
        67% off
        £403 £134
      • BOS 12:52
        10h 16m
        1 stop
        SFO 20:08
        Boston - San Francisco | Tue, Sep 29 | Frontier Airlines
        SFO 22:05
        11h 2m
        1 stop
        BOS 12:07
        San Francisco - Boston | Mon, Oct 5 | Frontier Airlines
        £135
        67% off
        £403 £135
      • BOS 12:54
        9h 54m
        1 stop
        SFO 19:48
        Boston - San Francisco | Fri, Sep 18 | Frontier Airlines
        SFO 22:05
        11h 4m
        1 stop
        BOS 12:09
        San Francisco - Boston | Sat, Sep 19 | Frontier Airlines
        £138
        66% off
        £403 £138
      • BOS 12:54
        9h 54m
        1 stop
        SFO 19:48
        Boston - San Francisco | Sat, Sep 26 | Frontier Airlines
        SFO 22:05
        11h 2m
        1 stop
        BOS 12:07
        San Francisco - Boston | Mon, Sep 28 | Frontier Airlines
        £139
        66% off
        £403 £139
      • BOS 12:54
        10h 14m
        1 stop
        SFO 20:08
        Boston - San Francisco | Wed, Sep 30 | Frontier Airlines
        SFO 22:05
        10h 54m
        1 stop
        BOS 11:59
        San Francisco - Boston | Fri, Oct 2 | Frontier Airlines
        £143
        65% off
        £403 £143
      • BOS 12:54
        9h 54m
        1 stop
        SFO 19:48
        Boston - San Francisco | Sat, Sep 19 | Frontier Airlines
        SFO 06:25
        15h 5m
        1 stop
        BOS 00:30
        San Francisco - Boston | Sat, Sep 26 |
        £167
        59% off
        £403 £167
      • BOS 12:54
        9h 54m
        1 stop
        SFO 19:48
        Boston - San Francisco | Fri, Oct 9 | Frontier Airlines
        SFO 23:36
        7h 57m
        1 stop
        BOS 10:33
        San Francisco - Boston | Sat, Oct 17 | American Airlines
        £171
        57% off
        £403 £171
      • BOS 08:00
        10h 59m
        1 stop
        SFO 15:59
        Boston - San Francisco | Tue, Sep 29 | Alaska Airlines
        SFO 22:05
        11h 2m
        1 stop
        BOS 12:07
        San Francisco - Boston | Mon, Oct 5 | Frontier Airlines
        £179
        56% off
        £403 £179
      • BOS 12:54
        9h 54m
        1 stop
        SFO 19:48
        Boston - San Francisco | Thu, Sep 17 | Frontier Airlines
        SFO 22:05
        11h 4m
        1 stop
        BOS 12:09
        San Francisco - Boston | Sun, Sep 20 | Frontier Airlines
        £330
        18% off
        £403 £330
      • BOS 13:00
        17h 25m
        1 stop
        SFO 14:00
        Boston - San Francisco | Fri, Sep 18 | Normal Airline
        SFO 15:00
        6h
        Direct
        BOS 16:00
        San Francisco - Boston | Sun, Sep 20 | Normal Airline
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      • Cheapest nonstop
        BOS 17:45
        6h 38m
        Direct
        SFO 21:23
        Boston - San Francisco | Wed, Oct 28 | Delta Air Lines
        £115 £143
        20% off
        20% off
        £143 £115
      • BOS 20:59
        6h 45m
        Direct
        SFO 00:44
        Boston - San Francisco | Sun, Nov 15 | Jetblue Airways
        £117 £143
        18% off
        18% off
        £143 £117
      • BOS 12:54
        9h 54m
        1 stop
        SFO 19:48
        Boston - San Francisco | Thu, Oct 1 | Frontier Airlines
        £68 £143
        52% off
        52% off
        £143 £68
      • BOS 12:54
        10h 14m
        1 stop
        SFO 20:08
        Boston - San Francisco | Wed, Sep 30 | Frontier Airlines
        £99
        31% off
        £143 £99
      • BOS 06:30
        9h 6m
        1 stop
        SFO 12:36
        Boston - San Francisco | Sun, Sep 27 | American Airlines
        £102
        28% off
        £143 £102
      • BOS 08:02
        9h 39m
        1 stop
        SFO 14:41
        Boston - San Francisco | Wed, Oct 21 | American Airlines
        £103
        28% off
        £143 £103
      • BOS 12:54
        10h 14m
        1 stop
        SFO 20:08
        Boston - San Francisco | Wed, Sep 23 | Frontier Airlines
        £106
        26% off
        £143 £106
      • BOS 06:00
        9h 39m
        1 stop
        SFO 12:39
        Boston - San Francisco | Thu, Oct 1 | American Airlines
        £107
        25% off
        £143 £107
      • BOS 12:54
        9h 54m
        1 stop
        SFO 19:48
        Boston - San Francisco | Sat, Oct 10 | Frontier Airlines
        £107
        25% off
        £143 £107
      • BOS 07:03
        12h 5m
        1 stop
        SFO 16:08
        Boston - San Francisco | Sat, Oct 31 | Alaska Airlines
        £107
        25% off
        £143 £107
      • BOS 09:20
        11h 36m
        1 stop
        SFO 17:56
        Boston - San Francisco | Tue, Sep 29 | Alaska Airlines
        £110
        23% off
        £143 £110
      • BOS 07:03
        12h 5m
        1 stop
        SFO 16:08
        Boston - San Francisco | Wed, Oct 28 | Alaska Airlines
        £117
        18% off
        £143 £117
      • BOS 13:00
        17h 25m
        1 stop
        SFO 14:00
        Boston - San Francisco | Fri, Sep 18 | Normal Airline
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Displayed flight fares from Boston Logan International Airport to San Francisco are based on average prices across airlines for the next 3 months according to the latest Trip.com data.

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

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

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

Based on Trip.com data's from the past 12 months, the cheapest month for one-way flights from Boston Logan International Airport to San Francisco is November, with an average price of £165. The most expensive month is usually August, with an average price of £247.

£247
£206
£165
£124
    Cheapest
  • £185
    Sep
  • £219
    Oct
  • £165
    Nov
  • £211
    Dec
  • £194
    Jan
  • £169
    Feb
  • £171
    Mar
  • £207
    Apr
  • £204
    May
  • £216
    Jun
  • £204
    Jul
  • £247
    Aug

Which month is cheapest to book a return flight from Boston Logan International Airport to San Francisco?

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

Based on Trip.com's data from the past 12 months, January is usually the cheapest month to fly from Boston Logan International Airport to San Francisco, with an average price of £213. April is typically the most expensive month, with an average price of £587.

£587
£400
£213
£26
    Cheapest
  • £433
    Sep
  • £281
    Oct
  • £322
    Nov
  • £368
    Dec
  • £213
    Jan
  • £272
    Feb
  • £305
    Mar
  • £587
    Apr
  • £356
    May
  • £292
    Jun
  • £294
    Jul
  • £361
    Aug

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

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

Based on Trip.com's data from the past 12 months, the cheapest departure from Boston Logan International Airport to San Francisco is on Wednesday, with prices usually lower than other days. Avoid departing on Monday as fares are typically the highest.

£222
£204
£185
£167
    Cheapest
  • £222
    Mon
  • £186
    Tue
  • £185
    Wed
  • £195
    Thu
  • £188
    Fri
  • £212
    Sat
  • £211
    Sun

Which airlines are the most popular for Boston Logan International Airport to San Francisco flights?

See which airlines fly from Boston Logan International Airport to San Francisco. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.
Jetblue Airways logo Jetblue Airways
American Airlines logo American Airlines

Flight Schedule from Boston Logan International Airport to San Francisco

Check the schedule for flights from Boston Logan International Airport to San Francisco and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL1655

    Boston Logan International Airport

    16:55

    BOS

    6h 55m

    20:50

    SFO

    S M T W T F S
    Search

  2. DL977

    Boston Logan International Airport

    07:35

    BOS

    6h 29m

    11:04

    SFO

    S M T W T F S
    Search

  3. DL2919

    Boston Logan International Airport

    20:55

    BOS

    6h 57m

    00:52

    SFO

    S - - W T - S
    Search

  4. F93511

    Boston Logan International Airport

    12:54

    BOS

    3h 15m

    Direct

    16:09

    ATL

    S M T W T F S
    Search

  5. F91447

    Hartsfield–Jackson Atlanta International Airport

    17:45

    ATL

    5h 23m

    Direct

    20:08

    SFO

    S M T W T F S

  6. AS311

    Boston Logan International Airport

    09:03

    BOS

    6h 20m

    Direct

    12:23

    PDX

    S M T W T F S
    Search

  7. AS236

    Portland International Airport

    14:42

    PDX

    1h 55m

    Direct

    16:37

    SFO

    S M T W T F S

  8. AS459

    Boston Logan International Airport

    07:08

    BOS

    6h 22m

    Direct

    10:30

    SEA

    S M T W T F S
    Search

  9. AS680

    Seattle-Tacoma International Airport

    13:41

    SEA

    2h 15m

    Direct

    15:56

    SFO

    S M T W T F S

  10. AS215

    Boston Logan International Airport

    10:03

    BOS

    6h 12m

    Direct

    13:15

    SEA

    S M T W T F S
    Search

  11. AS680

    Seattle-Tacoma International Airport

    13:41

    SEA

    2h 15m

    Direct

    15:56

    SFO

    S M T W T F S

  12. AS459

    Boston Logan International Airport

    07:08

    BOS

    6h 22m

    Direct

    10:30

    SEA

    S M T W T F S
    Search

  13. AS688

    Seattle-Tacoma International Airport

    13:36

    SEA

    2h 11m

    Direct

    15:47

    SFO

    S M T W T F S
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What to know about flights from Boston Logan International Airport to San Francisco?

Cheapest return ticket price£194
Cheapest one-way flight price£93
Off-season travel monthOctober
Peak season for travelJuly

FAQs for Boston Logan International Airport to San Francisco Flights

  • When is peak season for travel to San Francisco?

    ؜The peak travel time for visiting San Francisco is September. During this time, flights from Boston Logan International Airport to San Francisco are the most expensive. Cheap tickets can still be booked on Trip.com.
  • Flights from Boston Logan International Airport (BOS) to Boston Logan International Airport(SFO) take around 6 hours 47 minutes.
  • There are 1 airport(s) in San Francisco (SFO): San Francisco International Airport.
  • Jetblue Airways is a very popular airline operating an average of 16112 flights per month.
    • The distance from San Francisco International Airport to downtown is about 17km, by taxi about 30 minutes.
  • Yes. United Airlines, Jetblue Airways and Delta Air Lines operate direct flights from Boston Logan International Airport to San Francisco. The average flight time is approximately 3 hours 25 minutes, with about 5 flights per week. Actual schedules may vary by season.
  • Yes. The average flight time from Boston Logan International Airport to San Francisco is about 6 hours 9 minutes. Actual flight time may vary due to routing, weather, and air traffic.
  • Currently, multiple airlines offer flights from Boston Logan International Airport to San Francisco, including: Jetblue Airways Delta Air Lines United Airlines Frontier Airlines American Airlines The selected airlines are based on Trip.com user booking data from the past 90 days.
  • Based on Trip.com flight data for departures within the next 30 days, the average one-way fare from Boston Logan International Airport to San Francisco is £204, and the average round-trip fare is £351. Prices may vary depending on the departure date, airline, and availability.

Find Cheap Flights with Trip.com

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

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, 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 have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed 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 visit the customer support pages.