Southwest® flights from Baltimore/Washington to Portland, OR from $132

Promo Code

Low fares from Baltimore/Washington to Portland, OR

$

Baltimore/Washington (BWI)to

Portland, OR (PDX)
Depart: 09/30/2026

One-way

Basic

From
$132
Seen: 20 hrs ago

Baltimore/Washington (BWI)to

Portland, OR (PDX)
Depart: 09/29/2026

One-way

Basic

From
$132
Seen: 13 hrs ago

Baltimore/Washington (BWI)to

Portland, OR (PDX)
Depart: 11/03/2026

One-way

Basic

From
$142
Seen: 11 hrs ago

Baltimore/Washington (BWI)to

Portland, OR (PDX)
Depart: 10/07/2026

One-way

Basic

From
$142
Seen: 32 minutes ago

Baltimore/Washington (BWI)to

Portland, OR (PDX)
Depart: 09/15/2026

One-way

Basic

From
$142
Seen: 17 hrs ago

Baltimore/Washington (BWI)to

Portland, OR (PDX)
Depart: 10/24/2026

One-way

Basic

From
$142
Seen: 15 hrs ago

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Explore flights from Baltimore/Washington to Portland, OR

Aug 2026
From$344*
Seen: 11 hrs ago
One Way/Basic
Sep 2026
From$132*
Seen: 20 hrs ago
One Way/Basic
Oct 2026
From$142*
Seen: 15 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $142
cmp-daily-histogram-bars-legend-max-price-aria-label $389
Displaying fares for August-2026
  • BWI–PDX, 08/22/2026: From $379
    22

    Sat

    AUG

  • BWI–PDX, 08/23/2026: From $379
    23

    Sun

  • BWI–PDX, 08/24/2026: From $389
    24

    Mon

  • BWI–PDX, 08/25/2026: From $379
    25

    Tue

  • BWI–PDX, 08/26/2026: From $379
    26

    Wed

  • BWI–PDX, 08/27/2026: From $344
    27

    Thu

  • BWI–PDX: cmp-view-offers-disclaimer. Find Offers
    28

    Fri

  • BWI–PDX, 08/29/2026: From $344
    29

    Sat

  • BWI–PDX, 08/30/2026: From $344
    30

    Sun

  • BWI–PDX, 08/31/2026: From $344
    31

    Mon

  • BWI–PDX: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

  • BWI–PDX: cmp-view-offers-disclaimer. Find Offers
    02

    Wed

  • BWI–PDX, 09/03/2026: From $284
    03

    Thu

  • BWI–PDX, 09/04/2026: From $284
    04

    Fri

  • BWI–PDX, 09/05/2026: From $284
    05

    Sat

  • BWI–PDX, 09/06/2026: From $274
    06

    Sun

  • BWI–PDX: cmp-view-offers-disclaimer. Find Offers
    07

    Mon

  • BWI–PDX, 09/08/2026: From $274
    08

    Tue

  • BWI–PDX, 09/09/2026: From $274
    09

    Wed

  • BWI–PDX, 09/10/2026: From $209
    10

    Thu

  • BWI–PDX, 09/11/2026: From $199
    11

    Fri

  • BWI–PDX, 09/12/2026: From $142
    12

    Sat

  • BWI–PDX: cmp-view-offers-disclaimer. Find Offers
    13

    Sun

  • BWI–PDX: cmp-view-offers-disclaimer. Find Offers
    14

    Mon

  • BWI–PDX, 09/15/2026: From $142
    15

    Tue

  • BWI–PDX: cmp-view-offers-disclaimer. Find Offers
    16

    Wed

  • BWI–PDX, 09/17/2026: From $225
    17

    Thu

  • BWI–PDX: cmp-view-offers-disclaimer. Find Offers
    18

    Fri

  • BWI–PDX: cmp-view-offers-disclaimer. Find Offers
    19

    Sat

  • BWI–PDX: cmp-view-offers-disclaimer. Find Offers
    20

    Sun

  • BWI–PDX, 09/21/2026: From $209
    21

    Mon

    • Range$142-$389

    *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:
    Balt./Wash. International Airport
    Arriving at:
    Portland International Airport
    Average flight time:
    5 hours 35 minutes
    Distance:
    2358 miles

    Route Information

    155† Weekly flights
    • 1‡ Nonstop flight per day Monday through Friday

    † 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

    The average flight time from Baltimore/Washington to Portland, OR is 5 hours 35 minutes.
    There are 155 weekly flights from Baltimore/Washington to Portland, OR on Southwest Airlines.
    Yes, Southwest flies nonstop from Baltimore/Washington to Portland, OR once per day from Monday through Friday.
    To find the lowest fares by day and time to fly Baltimore/Washington to Portland, OR with Southwest, check out our Low Fare Calendar.
    You can rent a car at Portland International Airport book yours with your flight.
    Yes! Flights from Baltimore/Washington to Portland, OR—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.

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