Alaska Airlines Flights from Phoenix to Boston

Lowest fares from Phoenix to Boston

Try alternate month or interact with individual days below in order to find offers.
Apr 2026
Try another month to see offers
May 2026
From$219*
Seen: 1 day ago
Flight Type One Way|Saver
Jun 2026
From$174*
Seen: 1 day ago
Flight Type One Way|Saver
$219
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    • Range$219

    *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 Phoenix to Boston.*

    $
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    One-way low-fare flights Phoenix to Boston.*
    From
    To
    Fare Type
    Dates
    Price
    Phoenix (PHX)Boston (BOS)One-way
    |
    Saver    		Depart: Aug 4, 2026

    From

    $186

    Seen: 9 hours ago

    Phoenix (PHX)Boston (BOS)One-way
    |
    Saver    		Depart: Jun 18, 2026

    From

    $194

    Seen: 4 hours ago

    Phoenix (PHX)Boston (BOS)One-way
    |
    Saver    		Depart: Sep 26, 2026

    From

    $224

    Seen: 31 minutes ago

    Phoenix (PHX)Boston (BOS)One-way
    |
    Saver    		Depart: Jul 13, 2026

    From

    $189

    Seen: 1 day ago

    Phoenix (PHX)Boston (BOS)One-way
    |
    Saver    		Depart: May 15, 2026

    From

    $219

    Seen: 1 day ago

    Phoenix (PHX)Boston (BOS)One-way
    |
    Saver    		Depart: Jul 10, 2026

    From

    $224

    Seen: 1 day ago

    Phoenix (PHX)Boston (BOS)One-way
    |
    Saver    		Depart: Jun 17, 2026

    From

    $174

    Seen: 1 day ago

    Phoenix (PHX)Boston (BOS)One-way
    |
    Saver    		Depart: Jun 30, 2026

    From

    $224

    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.

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