Alaska Airlines Flights from San Jose to Boston

Lowest fares from San Jose to Boston

Apr 2026
From$232*
Seen: 1 day ago
Flight Type One Way|Saver
May 2026
From$180*
Seen: 53 minutes ago
Flight Type One Way|Saver
Jun 2026
From$143*
Seen: 5 hours ago
Flight Type One Way|Saver
$180
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    • Range$180-$445

    *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 San Jose to Boston.*

    $
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    One-way low-fare flights San Jose to Boston.*
    From
    To
    Fare Type
    Dates
    Price
    San Jose (SJC)Boston (BOS)One-way
    |
    Saver    		Depart: Jun 8, 2026

    From

    $143

    Seen: 5 hours ago

    San Jose (SJC)Boston (BOS)One-way
    |
    Saver    		Depart: May 16, 2026

    From

    $180

    Seen: 53 minutes ago

    San Jose (SJC)Boston (BOS)One-way
    |
    Saver    		Depart: Jul 3, 2026

    From

    $272

    Seen: 12 hours ago

    San Jose (SJC)Boston (BOS)One-way
    |
    Saver    		Depart: Apr 20, 2026

    From

    $232

    Seen: 1 day ago

    San Jose (SJC)Boston (BOS)One-way
    |
    Saver    		Depart: Oct 1, 2026

    From

    $237

    Seen: 1 day ago

    San Jose (SJC)Boston (BOS)One-way
    |
    Saver    		Depart: May 15, 2026

    From

    $242

    Seen: 1 day ago

    San Jose (SJC)Boston (BOS)One-way
    |
    Saver    		Depart: Jun 19, 2026

    From

    $272

    Seen: 1 day ago

    San Jose (SJC)Boston (BOS)One-way
    |
    Saver    		Depart: Apr 27, 2026

    From

    $445

    Seen: 23 hours 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.

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