Alaska Airlines Flights from Boston to Portland

Lowest fares from Boston to Portland

Aug 2026
From$209*
Seen: 10 hours ago
Flight Type One Way|Saver
Sep 2026
From$179*
Seen: 10 hours ago
Flight Type One Way|Saver
Oct 2026
From$183*
Seen: 10 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $179
cmp-daily-histogram-bars-legend-max-price-aria-label $429
Displaying fares for August-2026
  • BOS–PDX, Aug 14, 2026: From $429
    14

    Fr

    AUG

  • BOS–PDX, Aug 15, 2026: From $429
    15

    Sa

  • BOS–PDX, Aug 16, 2026: From $429
    16

    Su

  • BOS–PDX, Aug 17, 2026: From $369
    17

    Mo

  • BOS–PDX, Aug 18, 2026: From $369
    18

    Tu

  • BOS–PDX, Aug 19, 2026: From $369
    19

    We

  • BOS–PDX, Aug 20, 2026: From $259
    20

    Th

  • BOS–PDX, Aug 21, 2026: From $259
    21

    Fr

  • BOS–PDX, Aug 22, 2026: From $314
    22

    Sa

  • BOS–PDX, Aug 23, 2026: From $314
    23

    Su

  • BOS–PDX, Aug 24, 2026: From $259
    24

    Mo

  • BOS–PDX, Aug 25, 2026: From $259
    25

    Tu

  • BOS–PDX, Aug 26, 2026: From $259
    26

    We

  • BOS–PDX, Aug 27, 2026: From $259
    27

    Th

  • BOS–PDX, Aug 28, 2026: From $209
    28

    Fr

  • BOS–PDX, Aug 29, 2026: From $209
    29

    Sa

  • BOS–PDX, Aug 30, 2026: From $209
    30

    Su

  • BOS–PDX, Aug 31, 2026: From $209
    31

    Mo

  • BOS–PDX, Sep 1, 2026: From $209
    01

    Tu

    SEP

  • BOS–PDX, Sep 2, 2026: From $209
    02

    We

  • BOS–PDX, Sep 3, 2026: From $179
    03

    Th

  • BOS–PDX, Sep 4, 2026: From $179
    04

    Fr

  • BOS–PDX, Sep 5, 2026: From $179
    05

    Sa

  • BOS–PDX, Sep 6, 2026: From $179
    06

    Su

  • BOS–PDX, Sep 7, 2026: From $284
    07

    Mo

  • BOS–PDX, Sep 8, 2026: From $229
    08

    Tu

  • BOS–PDX, Sep 9, 2026: From $212
    09

    We

  • BOS–PDX, Sep 10, 2026: From $212
    10

    Th

  • BOS–PDX, Sep 11, 2026: From $214
    11

    Fr

  • BOS–PDX, Sep 12, 2026: From $202
    12

    Sa

  • BOS–PDX, Sep 13, 2026: From $259
    13

    Su

    • Range$179-$429

    *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 Portland.*

    $
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    One-way low-fare flights Boston to Portland.*
    From
    To
    Fare Type
    Dates
    Price
    Boston (BOS)Portland (PDX)One-way
    |
    Saver    		Depart: Sep 3, 2026

    From

    $179

    Seen: 10 hours ago

    Boston (BOS)Portland (PDX)One-way
    |
    Saver    		Depart: Sep 4, 2026

    From

    $179

    Seen: 10 hours ago

    Boston (BOS)Portland (PDX)One-way
    |
    Saver    		Depart: Sep 5, 2026

    From

    $179

    Seen: 10 hours ago

    Boston (BOS)Portland (PDX)One-way
    |
    Saver    		Depart: Sep 6, 2026

    From

    $179

    Seen: 3 hours ago

    Boston (BOS)Portland (PDX)One-way
    |
    Saver    		Depart: Nov 3, 2026

    From

    $182

    Seen: 5 hours ago

    Boston (BOS)Portland (PDX)One-way
    |
    Saver    		Depart: Oct 30, 2026

    From

    $183

    Seen: 10 hours ago

    Boston (BOS)Portland (PDX)One-way
    |
    Saver    		Depart: Sep 12, 2026

    From

    $202

    Seen: 10 hours ago

    Boston (BOS)Portland (PDX)One-way
    |
    Saver    		Depart: Sep 15, 2026

    From

    $202

    Seen: 10 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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