Alaska Airlines Flights from Boston to San Jose

Lowest fares from Boston to San Jose

Apr 2026
From$232*
Seen: 1 day ago
Flight Type One Way|Saver
May 2026
From$148*
Seen: 1 day ago
Flight Type One Way|Saver
Jun 2026
Try another month to see offers
$148
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    • Range$148-$302

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    One-way low-fare flights Boston to San Jose.*

    $
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    One-way low-fare flights Boston to San Jose.*
    From
    To
    Fare Type
    Dates
    Price
    Boston (BOS)San Jose (SJC)One-way
    |
    Saver    		Depart: Aug 19, 2026

    From

    $98

    Seen: 23 hours ago

    Boston (BOS)San Jose (SJC)One-way
    |
    Saver    		Depart: Sep 11, 2026

    From

    $143

    Seen: 1 day ago

    Boston (BOS)San Jose (SJC)One-way
    |
    Saver    		Depart: May 6, 2026

    From

    $148

    Seen: 1 day ago

    Boston (BOS)San Jose (SJC)One-way
    |
    Saver    		Depart: May 7, 2026

    From

    $153

    Seen: 1 day ago

    Boston (BOS)San Jose (SJC)One-way
    |
    Saver    		Depart: Jul 13, 2026

    From

    $219

    Seen: 1 day ago

    Boston (BOS)San Jose (SJC)One-way
    |
    Saver    		Depart: Apr 22, 2026

    From

    $232

    Seen: 1 day ago

    Boston (BOS)San Jose (SJC)One-way
    |
    Saver    		Depart: May 14, 2026

    From

    $237

    Seen: 21 hours ago

    Boston (BOS)San Jose (SJC)One-way
    |
    Saver    		Depart: Aug 8, 2026

    From

    $297

    Seen: 1 day ago

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.