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Boston Logan International Airport to San Francisco International Airport flight

Explore the cheapest one-way and round-trip flights from Boston Logan International Airport to San Francisco International Airport over the next 90 days, with one-way fares from €122 and round-trip from €158. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        BOS 07:35
        6h 29m
        Direct
        SFO 11:04
        Boston - San Francisco | Thu, Oct 8 | Delta Air Lines
        SFO 15:00
        5h 39m
        Direct
        BOS 23:39
        San Francisco - Boston | Thu, Oct 15 | Delta Air Lines
        €266 €499
        47% off
        47% off
        €499 €266
      • BOS 10:10
        6h 32m
        Direct
        SFO 13:42
        Boston - San Francisco | Sun, Oct 4 | Delta Air Lines
        SFO 07:10
        5h 47m
        Direct
        BOS 15:57
        San Francisco - Boston | Wed, Oct 7 | Delta Air Lines
        €271 €499
        46% off
        46% off
        €499 €271
      • BOS 12:54
        9h 54m
        1 stop
        SFO 19:48
        Boston - San Francisco | Sat, Oct 17 | Frontier Airlines
        SFO 22:05
        11h 2m
        1 stop
        BOS 12:07
        San Francisco - Boston | Mon, Oct 19 | Frontier Airlines
        €158 €499
        68% off
        68% off
        €499 €158
      • BOS 12:52
        10h 16m
        1 stop
        SFO 20:08
        Boston - San Francisco | Tue, Oct 13 | Frontier Airlines
        SFO 22:05
        11h 2m
        1 stop
        BOS 12:07
        San Francisco - Boston | Mon, Oct 19 | Frontier Airlines
        €159
        68% off
        €499 €159
      • BOS 12:54
        9h 54m
        1 stop
        SFO 19:48
        Boston - San Francisco | Sat, Oct 10 | Frontier Airlines
        SFO 22:05
        11h 2m
        1 stop
        BOS 12:07
        San Francisco - Boston | Mon, Oct 12 | Frontier Airlines
        €164
        67% off
        €499 €164
      • BOS 12:54
        10h 14m
        1 stop
        SFO 20:08
        Boston - San Francisco | Wed, Oct 14 | Frontier Airlines
        SFO 22:05
        10h 54m
        1 stop
        BOS 11:59
        San Francisco - Boston | Fri, Oct 16 | Frontier Airlines
        €168
        66% off
        €499 €168
      • BOS 12:45
        9h 18m
        1 stop
        SFO 19:03
        Boston - San Francisco | Sat, Sep 26 | Frontier Airlines
        SFO 11:15
        10h 15m
        1 stop
        BOS 00:30
        San Francisco - Boston | Tue, Sep 29 |
        €187
        63% off
        €499 €187
      • BOS 12:54
        9h 54m
        1 stop
        SFO 19:48
        Boston - San Francisco | Sat, Oct 3 | Frontier Airlines
        SFO 06:25
        15h 5m
        1 stop
        BOS 00:30
        San Francisco - Boston | Sat, Oct 10 |
        €197
        61% off
        €499 €197
      • BOS 12:54
        9h 54m
        1 stop
        SFO 19:48
        Boston - San Francisco | Fri, Oct 23 | Frontier Airlines
        SFO 23:36
        7h 57m
        1 stop
        BOS 10:33
        San Francisco - Boston | Sat, Oct 31 | American Airlines
        €202
        60% off
        €499 €202
      • BOS 08:00
        10h 59m
        1 stop
        SFO 15:59
        Boston - San Francisco | Tue, Oct 13 | Alaska Airlines
        SFO 22:05
        11h 2m
        1 stop
        BOS 12:07
        San Francisco - Boston | Mon, Oct 19 | Frontier Airlines
        €211
        57% off
        €499 €211
      • BOS 12:54
        9h 54m
        1 stop
        SFO 19:48
        Boston - San Francisco | Fri, Oct 2 | Frontier Airlines
        SFO 22:05
        11h 4m
        1 stop
        BOS 12:09
        San Francisco - Boston | Sat, Oct 3 | Frontier Airlines
        €337
        32% off
        €499 €337
      • BOS 12:54
        9h 54m
        1 stop
        SFO 19:48
        Boston - San Francisco | Thu, Oct 1 | Frontier Airlines
        SFO 22:05
        11h 4m
        1 stop
        BOS 12:09
        San Francisco - Boston | Sun, Oct 4 | Frontier Airlines
        €404
        19% off
        €499 €404
      • BOS 13:00
        17h 25m
        1 stop
        SFO 14:00
        Boston - San Francisco | Fri, Sep 25 | Normal Airline
        SFO 15:00
        6h
        Direct
        BOS 16:00
        San Francisco - Boston | Sun, Sep 27 | Normal Airline
        Find more flights
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      • Cheapest nonstop
        BOS 10:05
        6h 32m
        Direct
        SFO 13:37
        Boston - San Francisco | Sat, Oct 3 | Delta Air Lines
        €132 €172
        23% off
        23% off
        €172 €132
      • BOS 17:15
        6h 55m
        Direct
        SFO 21:10
        Boston - San Francisco | Tue, Nov 10 | Delta Air Lines
        €139 €172
        19% off
        19% off
        €172 €139
      • BOS 07:13
        11h 48m
        1 stop
        SFO 16:01
        Boston - San Francisco | Tue, Nov 3 | Alaska Airlines
        €122 €172
        28% off
        28% off
        €172 €122
      • BOS 13:11
        9h 33m
        1 stop
        SFO 19:44
        Boston - San Francisco | Thu, Nov 19 | American Airlines
        €126
        27% off
        €172 €126
      • BOS 07:13
        9h 57m
        1 stop
        SFO 14:10
        Boston - San Francisco | Wed, Nov 18 | Alaska Airlines
        €132
        23% off
        €172 €132
      • BOS 12:39
        11h 1m
        1 stop
        SFO 20:40
        Boston - San Francisco | Thu, Nov 5 | Frontier Airlines
        €134
        22% off
        €172 €134
      • BOS 11:12
        9h 58m
        1 stop
        SFO 18:10
        Boston - San Francisco | Tue, Oct 27 | Frontier Airlines
        €134
        22% off
        €172 €134
      • BOS 07:03
        12h 5m
        1 stop
        SFO 16:08
        Boston - San Francisco | Wed, Oct 21 | Alaska Airlines
        €138
        20% off
        €172 €138
      • BOS 12:39
        11h 1m
        1 stop
        SFO 20:40
        Boston - San Francisco | Mon, Nov 9 | Frontier Airlines
        €139
        19% off
        €172 €139
      • BOS 09:03
        11h 58m
        1 stop
        SFO 18:01
        Boston - San Francisco | Tue, Nov 17 | Alaska Airlines
        €139
        19% off
        €172 €139
      • BOS 13:00
        17h 25m
        1 stop
        SFO 14:00
        Boston - San Francisco | Fri, Sep 25 | Normal Airline
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Flight fares from Boston Logan International Airport to San Francisco International Airport are based on average airline prices for the next 3 months, according to Trip.com’s latest data.

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

What is the cheapest month to fly from Boston Logan International Airport to San Francisco International Airport?

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 International Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from Boston Logan International Airport to San Francisco International Airport are usually in November, with an average price of €194. It is best to avoid August, when the average price can reach €291.

€291
€243
€194
€146
    Cheapest
  • €214
    Sep
  • €258
    Oct
  • €194
    Nov
  • €249
    Dec
  • €228
    Jan
  • €199
    Feb
  • €202
    Mar
  • €244
    Apr
  • €241
    May
  • €255
    Jun
  • €241
    Jul
  • €291
    Aug

What is the cheapest month to fly return from Boston Logan International Airport to San Francisco International Airport?

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

Based on Trip.com's data from the past 12 months, January is often the month to find the lowest fares from Boston Logan International Airport to San Francisco International Airport, with an average price of €251. April is usually the most expensive month, with an average price reaching €692.

€692
€472
€251
€31
    Cheapest
  • €511
    Sep
  • €332
    Oct
  • €380
    Nov
  • €435
    Dec
  • €251
    Jan
  • €321
    Feb
  • €360
    Mar
  • €692
    Apr
  • €420
    May
  • €345
    Jun
  • €347
    Jul
  • €426
    Aug

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

The data is based on the past 12 months and shows the average ticket prices from Boston Logan International Airport to San Francisco 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 departure day from Boston Logan International Airport to San Francisco International Airport is Tuesday, with average prices usually lower than other days. Avoid departing on Monday as prices are typically highest on that day.

€267
€243
€219
€195
  • €267
    Mon
  • €219
    Tue
  • €220
    Wed
  • €230
    Thu
  • €221
    Fri
  • €254
    Sat
  • €253
    Sun

Which airline offers the cheapest flights from Boston Logan International Airport to San Francisco International Airport?

The cheapest airline flying from Boston Logan International Airport to San Francisco International Airport is American Airlines (from €121) among 9 carriers operating this route. Based on Trip.com's latest 7-day flight data.

American Airlines
From €121
Frontier Airlines
From €126
Delta Air Lines
From €127
Alaska Airlines
From €128
Jetblue Airways
From €142
United Airlines
From €169
Hahn Air
From €177
WestJet
From €184
Sun Country Airlines
From €194

Find more flights and airlines

What is the flight schedule from Boston Logan International Airport to San Francisco International Airport?

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL860

    Boston Logan International Airport

    10:10

    BOS

    6h 32m

    13:42

    SFO

    S M T W T F S
    Search

  2. DL2919

    Boston Logan International Airport

    20:55

    BOS

    6h 57m

    00:52

    SFO

    S - - W T - S
    Search

  3. DL1655

    Boston Logan International Airport

    16:55

    BOS

    6h 55m

    20:50

    SFO

    S M T W T F S
    Search

  4. AS459

    Boston Logan International Airport

    07:00

    BOS

    6h 38m

    Direct

    10:38

    SEA

    S M T W T F S
    Search

  5. AS655

    Seattle-Tacoma International Airport

    12:27

    SEA

    2h 22m

    Direct

    14:49

    SFO

    S M T W - F S

  6. F93511

    Boston Logan International Airport

    12:54

    BOS

    3h 15m

    Direct

    16:09

    ATL

    S M T W T F S
    Search

  7. F91447

    Hartsfield–Jackson Atlanta International Airport

    17:45

    ATL

    5h 23m

    Direct

    20:08

    SFO

    S M T W T F S

  8. AA1557

    Boston Logan International Airport

    10:14

    BOS

    2h 21m

    Direct

    12:35

    CLT

    S M T W T F S
    Search

  9. AA2410

    Charlotte Douglas International Airport

    17:30

    CLT

    5h 29m

    Direct

    19:59

    SFO

    S M T W T F S

  10. AS459

    Boston Logan International Airport

    07:00

    BOS

    6h 38m

    Direct

    10:38

    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

    07:00

    BOS

    6h 38m

    Direct

    10:38

    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

  14. AS215

    Boston Logan International Airport

    09:03

    BOS

    6h 17m

    Direct

    12:20

    SEA

    S M T W T F S
    Search

  15. AS680

    Seattle-Tacoma International Airport

    13:41

    SEA

    2h 15m

    Direct

    15:56

    SFO

    S M T W T F S
Find more flights and airlines

About Boston Logan International Airport and San Francisco International Airport

Learn about Boston Logan International Airport (BOS) and San Francisco International Airport (SFO) — including location, terminals, transportation, and travel tips.

Flight distance4,346.23km
Cheapest one-way ticket price€122
Cheapest return ticket price€158

FAQs for Boston Logan International Airport to San Francisco International Airport Flights

  • How long is the flight from Boston Logan International Airport to San Francisco International Airport?

    Boston Logan International Airport to San Francisco International Airport takes about 6 hours 6 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 12 daily flights from Boston Logan International Airport (BOS) to San Francisco International Airport (SFO).
  • The earliest flight from Boston Logan International Airport to San Francisco International Airport departs at 06:00, and the last departs at 21:30, with about 18 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Boston Logan International Airport (BOS) to San Francisco International Airport (SFO) is quite popular. Without considering departure times or holidays, tickets cost around €359 in September, the most expensive month to book this route.
    • The distance from San Francisco International Airport to downtown is about 17km, by taxi about 30 minutes.
  • The closest airport to San Francisco International Airport (SFO) is Oakland San Francisco Bay Airport. The distance is around 17km.
  • Jetblue Airways is a very popular airline operating an average of 16112 flights per month.
  • One-way flights from Boston Logan International Airport to San Francisco International Airport currently start from €122, and round-trip fares start from €158. The current lowest fare is a Alaska Airlines flight departing on Tue, Nov 3; prices may vary depending on availability.
  • Yes. United Airlines, Jetblue Airways and Delta Air Lines operate direct flights from Boston Logan International Airport to San Francisco International Airport, with an average flight time of 6 hours 15 minutes, and around 101 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Boston Logan International Airport to San Francisco International Airport is €202. Prices may vary depending on the departure date, airline, and availability.
  • Jetblue Airways and WestJet are the most popular budget airlines flying from Boston Logan International Airport to San Francisco International Airport, with one-way fares starting from €122. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Boston Logan International Airport to San Francisco International Airport operates around 70 weekly flights, mainly by United Airlines, Jetblue Airways and Delta Air Lines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Boston Logan International Airport and San Francisco International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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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 on 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, 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 were updated within the last 24 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.