Southwest® flights from Boston to San Jose, CA from $143

Promo Code

Low fares from Boston to San Jose, CA

$

Boston (BOS)to

San Jose, CA (SJC)
Depart: 09/11/2026

One-way

Basic

From
$143
Seen: 19 hrs ago

Boston (BOS)to

San Jose, CA (SJC)
Depart: 10/15/2026

One-way

Basic

From
$152
Seen: 20 hrs ago

Boston (BOS)to

San Jose, CA (SJC)
Depart: 11/10/2026

One-way

Basic

From
$152
Seen: 15 hrs ago

Boston (BOS)to

San Jose, CA (SJC)
Depart: 08/31/2026

One-way

Basic

From
$152
Seen: 17 hrs ago

Boston (BOS)to

San Jose, CA (SJC)
Depart: 09/02/2026

One-way

Basic

From
$152
Seen: 4 hrs ago

Boston (BOS)to

San Jose, CA (SJC)
Depart: 08/27/2026

One-way

Basic

From
$152
Seen: 1 hour ago

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

Explore flights from Boston to San Jose, CA

Aug 2026
From$152*
Seen: 17 hrs ago
One Way/Basic
Sep 2026
From$143*
Seen: 19 hrs ago
One Way/Basic
Oct 2026
From$152*
Seen: 20 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $152
cmp-daily-histogram-bars-legend-max-price-aria-label $369
Displaying fares for August-2026
  • BOS–SJC: cmp-view-offers-disclaimer. Find Offers
    03

    Mon

    AUG

  • BOS–SJC, 08/04/2026: From $200
    04

    Tue

  • BOS–SJC: cmp-view-offers-disclaimer. Find Offers
    05

    Wed

  • BOS–SJC, 08/06/2026: From $357
    06

    Thu

  • BOS–SJC: cmp-view-offers-disclaimer. Find Offers
    07

    Fri

  • BOS–SJC: cmp-view-offers-disclaimer. Find Offers
    08

    Sat

  • BOS–SJC, 08/09/2026: From $369
    09

    Sun

  • BOS–SJC, 08/10/2026: From $357
    10

    Mon

  • BOS–SJC, 08/11/2026: From $235
    11

    Tue

  • BOS–SJC, 08/12/2026: From $168
    12

    Wed

  • BOS–SJC, 08/13/2026: From $163
    13

    Thu

  • BOS–SJC, 08/14/2026: From $168
    14

    Fri

  • BOS–SJC: cmp-view-offers-disclaimer. Find Offers
    15

    Sat

  • BOS–SJC, 08/16/2026: From $270
    16

    Sun

  • BOS–SJC, 08/17/2026: From $247
    17

    Mon

  • BOS–SJC: cmp-view-offers-disclaimer. Find Offers
    18

    Tue

  • BOS–SJC: cmp-view-offers-disclaimer. Find Offers
    19

    Wed

  • BOS–SJC, 08/20/2026: From $158
    20

    Thu

  • BOS–SJC: cmp-view-offers-disclaimer. Find Offers
    21

    Fri

  • BOS–SJC: cmp-view-offers-disclaimer. Find Offers
    22

    Sat

  • BOS–SJC, 08/23/2026: From $158
    23

    Sun

  • BOS–SJC: cmp-view-offers-disclaimer. Find Offers
    24

    Mon

  • BOS–SJC, 08/25/2026: From $152
    25

    Tue

  • BOS–SJC: cmp-view-offers-disclaimer. Find Offers
    26

    Wed

  • BOS–SJC, 08/27/2026: From $152
    27

    Thu

  • BOS–SJC: cmp-view-offers-disclaimer. Find Offers
    28

    Fri

  • BOS–SJC, 08/29/2026: From $152
    29

    Sat

  • BOS–SJC, 08/30/2026: From $158
    30

    Sun

  • BOS–SJC, 08/31/2026: From $152
    31

    Mon

  • BOS–SJC: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

  • BOS–SJC, 09/02/2026: From $152
    02

    Wed

    • Range$152-$369

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Logan International Airport
    Arriving at:
    Norman Y. Mineta San José International Airport
    Distance:
    2689 miles

    Route Information

    124† Weekly flights

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    There are 124 weekly flights from Boston to San Jose, CA on Southwest Airlines.
    To find the lowest fares by day and time to fly Boston to San Jose, CA with Southwest, check out our Low Fare Calendar.
    You can rent a car at Norman Y. Mineta San José International Airport book yours with your flight.
    Yes! Flights from Boston to San Jose, CA—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

    Explore Flights from Other Popular Origins

    Popular Flights from Boston