Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Alaska Airlines
Cheapest Month May
Cheapest Day of the Week Saturday
Cheapest Airline Alaska Airlines

The cheapest airline(s) flying from San Francisco to Boston is Alaska Airlines.

  • JetBlue Airways JetBlue Airways
  • Alaska Airlines Alaska Airlines
  • Frontier Airlines Frontier Airlines
  • Hawaiian Airlines Hawaiian Airlines
  • United Airlines United Airlines
  • American Airlines American Airlines
  • Southwest Airlines Southwest Airlines
  • El Al Israel Airlines El Al Israel Airlines
  • Air New Zealand Air New Zealand
  • Qatar Airways Qatar Airways
Cheapest Month May

Travel Period: May 2025 - April 2026

The cheapest month(s) to fly from San Francisco to Boston is May.

  • May 2025
  • Jun 2025
  • Jul 2025
  • Aug 2025
  • Sep 2025
  • Oct 2025
  • Nov 2025
  • Dec 2025
  • Jan 2026
  • Feb 2026
  • Mar 2026
  • Apr 2026
Cheapest Day of the Week Saturday

The cheapest day(s) of the week to fly from San Francisco to Boston is Saturday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday

Flight Schedules

Last Updated: Wed, 2 Apr, 2025

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    • Airline Filter by Airline
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      • Availability
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      • 21:15 SFO
        06:03 BOS
        5Hrs, 48m Direct
      • SFOSan Francisco International Airport 21:15 - BOS 06:03 5h 48m Direct
      • SFOSan Francisco International Airport 21:15
      • BOSBoston Logan International Airport 06:03
      • 5h 48m
      • Direct
      • United Airlines (UA 1176)Boeing 737 Max 9 Passenger
      • United Airlines (UA 1176)
        • -
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      • Boeing 737 Max 9 Passenger
      • 21:25 SFO
        06:13 BOS
        5Hrs, 48m Direct
      • SFOSan Francisco International Airport 21:25 - BOS 06:13 5h 48m Direct
      • SFOSan Francisco International Airport 21:25
      • BOSBoston Logan International Airport 06:13
      • 5h 48m
      • Direct
      • United Airlines (UA 1176)Boeing 737 Max 9 Passenger
      • United Airlines (UA 1176)
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      • Boeing 737 Max 9 Passenger
      • 21:40 SFO
        06:23 BOS
        5Hrs, 43m Direct
      • SFOSan Francisco International Airport 21:40 - BOS 06:23 5h 43m Direct
      • SFOSan Francisco International Airport 21:40
      • BOSBoston Logan International Airport 06:23
      • 5h 43m
      • Direct
      • JetBlue Airways (B6 734)Airbus Industrie A321
      • JetBlue Airways (B6 734)
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      • Airbus Industrie A321
      • 23:20 SFO
        08:12 BOS
        5Hrs, 52m Direct
      • SFOSan Francisco International Airport 23:20 - BOS 08:12 5h 52m Direct
      • SFOSan Francisco International Airport 23:20
      • BOSBoston Logan International Airport 08:12
      • 5h 52m
      • Direct
      • United Airlines (UA 1665)Boeing 737 Max 9 Passenger
      • United Airlines (UA 1665)
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      • Boeing 737 Max 9 Passenger
      • 23:40 SFO
        08:22 BOS
        5Hrs, 42m Direct
      • SFOSan Francisco International Airport 23:40 - BOS 08:22 5h 42m Direct
      • SFOSan Francisco International Airport 23:40
      • BOSBoston Logan International Airport 08:22
      • 5h 42m
      • Direct
      • JetBlue Airways (B6 734)Airbus Industrie A321
      • JetBlue Airways (B6 734)
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        • -
      • Airbus Industrie A321
      • 07:15 SFO
        16:03 BOS
        5Hrs, 48m Direct
      • SFOSan Francisco International Airport 07:15 - BOS 16:03 5h 48m Direct
      • SFOSan Francisco International Airport 07:15
      • BOSBoston Logan International Airport 16:03
      • 5h 48m
      • Direct
      • United Airlines (UA 2136)Boeing 737 Max 9 Passenger
      • United Airlines (UA 2136)
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      • Boeing 737 Max 9 Passenger
      • 07:44 SFO
        16:27 BOS
        5Hrs, 43m Direct
      • SFOSan Francisco International Airport 07:44 - BOS 16:27 5h 43m Direct
      • SFOSan Francisco International Airport 07:44
      • BOSBoston Logan International Airport 16:27
      • 5h 43m
      • Direct
      • Alaska Airlines (AS 356)Boeing 737 800
      • Alaska Airlines (AS 356)
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      • 07:44 SFO
        16:27 BOS
        5Hrs, 43m Direct
      • SFOSan Francisco International Airport 07:44 - BOS 16:27 5h 43m Direct
      • SFOSan Francisco International Airport 07:44
      • BOSBoston Logan International Airport 16:27
      • 5h 43m
      • Direct
      • Alaska Airlines (AS 356)Boeing 737 Max 8 Passenger
      • Alaska Airlines (AS 356)
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      • Boeing 737 Max 8 Passenger
      • 07:44 SFO
        16:27 BOS
        5Hrs, 43m Direct
      • SFOSan Francisco International Airport 07:44 - BOS 16:27 5h 43m Direct
      • SFOSan Francisco International Airport 07:44
      • BOSBoston Logan International Airport 16:27
      • 5h 43m
      • Direct
      • Alaska Airlines (AS 356)Boeing 737 Max 9 Passenger
      • Alaska Airlines (AS 356)
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      • 08:19 SFO
        17:05 BOS
        5Hrs, 46m Direct
      • SFOSan Francisco International Airport 08:19 - BOS 17:05 5h 46m Direct
      • SFOSan Francisco International Airport 08:19
      • BOSBoston Logan International Airport 17:05
      • 5h 46m
      • Direct
      • JetBlue Airways (B6 434)Airbus Industrie A321
      • JetBlue Airways (B6 434)
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      • 08:25 SFO
        17:14 BOS
        5Hrs, 49m Direct
      • SFOSan Francisco International Airport 08:25 - BOS 17:14 5h 49m Direct
      • SFOSan Francisco International Airport 08:25
      • BOSBoston Logan International Airport 17:14
      • 5h 49m
      • Direct
      • JetBlue Airways (B6 434)Airbus Industrie A321
      • JetBlue Airways (B6 434)
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      • Airbus Industrie A321
      • 10:55 SFO
        19:44 BOS
        5Hrs, 49m Direct
      • SFOSan Francisco International Airport 10:55 - BOS 19:44 5h 49m Direct
      • SFOSan Francisco International Airport 10:55
      • BOSBoston Logan International Airport 19:44
      • 5h 49m
      • Direct
      • JetBlue Airways (B6 1734)Airbus Industrie A321
      • JetBlue Airways (B6 1734)
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      • Airbus Industrie A321
      • 11:15 SFO
        20:06 BOS
        5Hrs, 51m Direct
      • SFOSan Francisco International Airport 11:15 - BOS 20:06 5h 51m Direct
      • SFOSan Francisco International Airport 11:15
      • BOSBoston Logan International Airport 20:06
      • 5h 51m
      • Direct
      • United Airlines (UA 2697)Boeing 737 Max 9 Passenger
      • United Airlines (UA 2697)
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      • 13:45 SFO
        22:30 BOS
        5Hrs, 45m Direct
      • SFOSan Francisco International Airport 13:45 - BOS 22:30 5h 45m Direct
      • SFOSan Francisco International Airport 13:45
      • BOSBoston Logan International Airport 22:30
      • 5h 45m
      • Direct
      • JetBlue Airways (B6 334)Airbus Industrie A321
      • JetBlue Airways (B6 334)
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      • 14:45 SFO
        23:36 BOS
        5Hrs, 51m Direct
      • SFOSan Francisco International Airport 14:45 - BOS 23:36 5h 51m Direct
      • SFOSan Francisco International Airport 14:45
      • BOSBoston Logan International Airport 23:36
      • 5h 51m
      • Direct
      • United Airlines (UA 1372)Boeing 737 Max 9 Passenger
      • United Airlines (UA 1372)
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      • 15:00 SFO
        23:47 BOS
        5Hrs, 47m Direct
      • SFOSan Francisco International Airport 15:00 - BOS 23:47 5h 47m Direct
      • SFOSan Francisco International Airport 15:00
      • BOSBoston Logan International Airport 23:47
      • 5h 47m
      • Direct
      • JetBlue Airways (B6 504)Airbus Industrie A321
      • JetBlue Airways (B6 504)
        • -
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      • Airbus Industrie A321
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      What’s the fastest flight time from San Francisco to Boston?

      The fastest flight time for direct flights from San Francisco to Boston is 5 hours 42 minutes. Check latest flight schedules & prices on Wego.

      What’s the most popular airline flying from San Francisco to Boston?

      The most popular airline flying from San Francisco to Boston is JetBlue Airways. Find the latest flight deals on Wego.

      How far is Boston from San Francisco?

      The flight distance between San Francisco and Boston is 4334km. Check all available flights on Wego.

      When is the earliest and latest flight of the day?

      The earliest flight of the day departs at 07:15. The last flight of the day departs at 21:15. See the full list of flight times on Wego.

      How many airlines offer direct flights from San Francisco to Boston?

      There are 3 airlines that offer direct flights from San Francisco to Boston. Find out the list of airlines on Wego.

      All Airports in San Francisco

      San Francisco International Airport SFO

      All Airports in Boston

      Boston Logan International Airport BOS

      Popular Airlines Flying From San Francisco to Boston

      JetBlue Airways ‏()
      United Airlines ‏()

      Popular Destinations From Boston

      Popular Destinations From San Francisco

      Popular Hotels in Boston

      Hotels In Popular Destinations