Southwest® flights from Portland, ME to Baltimore/Washington from $121

Promo Code

Low fares from Portland, ME to Baltimore/Washington

$

Portland, ME (PWM)to

Baltimore/Washington (BWI)
Depart: 04/28/2026

One-way

Basic

From
$121
Seen: 27 minutes ago

Portland, ME (PWM)to

Baltimore/Washington (BWI)
Depart: 05/07/2026

One-way

Basic

From
$129
Seen: 22 hrs ago

Portland, ME (PWM)to

Baltimore/Washington (BWI)
Depart: 04/30/2026

One-way

Basic

From
$129
Seen: 1 hour ago

Portland, ME (PWM)to

Baltimore/Washington (BWI)
Depart: 05/12/2026

One-way

Basic

From
$129
Seen: 7 hrs ago

Portland, ME (PWM)to

Baltimore/Washington (BWI)
Depart: 06/08/2026

One-way

Basic

From
$129
Seen: 8 hrs ago

Portland, ME (PWM)to

Baltimore/Washington (BWI)
Depart: 04/27/2026

One-way

Basic

From
$129
Seen: 6 hrs ago

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Explore flights from Portland, ME to Baltimore/Washington

Mar 2026
From$245*
Seen: 2 hrs ago
One Way/Basic
Apr 2026
From$121*
Seen: 27 minutes ago
One Way/Basic
May 2026
From$129*
Seen: 8 hrs ago
One Way/Basic
$129
$394
Displaying fares for March-2026
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    • Range$129-$394

    *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.

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