Southwest® flights from Nashville to Portland, ME from $149

Promo Code

Low fares from Nashville to Portland, ME

$

Nashville (BNA)to

Portland, ME (PWM)
Depart: 10/21/2026

One-way

Basic

From
$149
Seen: 14 hrs ago

Nashville (BNA)to

Portland, ME (PWM)
Depart: 10/24/2026

One-way

Basic

From
$149
Seen: 6 hrs ago

Nashville (BNA)to

Portland, ME (PWM)
Depart: 10/26/2026

One-way

Basic

From
$154
Seen: 14 hrs ago

Nashville (BNA)to

Portland, ME (PWM)
Depart: 10/17/2026

One-way

Basic

From
$154
Seen: 19 hrs ago

Nashville (BNA)to

Portland, ME (PWM)
Depart: 09/15/2026

One-way

Basic

From
$154
Seen: 6 hrs ago

Nashville (BNA)to

Portland, ME (PWM)
Depart: 11/02/2026

One-way

Basic

From
$154
Seen: 2 hrs ago

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Explore flights from Nashville to Portland, ME

Aug 2026
From$396*
Seen: 6 hrs ago
One Way/Basic
Sep 2026
From$154*
Seen: 22 hrs ago
One Way/Basic
Oct 2026
From$149*
Seen: 6 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $154
cmp-daily-histogram-bars-legend-max-price-aria-label $470
Displaying fares for August-2026
  • BNA–PWM, 08/21/2026: From $470
    21

    Fri

    AUG

  • BNA–PWM: cmp-view-offers-disclaimer. Find Offers
    22

    Sat

  • BNA–PWM, 08/23/2026: From $470
    23

    Sun

  • BNA–PWM, 08/24/2026: From $470
    24

    Mon

  • BNA–PWM, 08/25/2026: From $470
    25

    Tue

  • BNA–PWM, 08/26/2026: From $470
    26

    Wed

  • BNA–PWM, 08/27/2026: From $396
    27

    Thu

  • BNA–PWM, 08/28/2026: From $396
    28

    Fri

  • BNA–PWM, 08/29/2026: From $396
    29

    Sat

  • BNA–PWM, 08/30/2026: From $396
    30

    Sun

  • BNA–PWM, 08/31/2026: From $396
    31

    Mon

  • BNA–PWM: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

  • BNA–PWM, 09/02/2026: From $396
    02

    Wed

  • BNA–PWM, 09/03/2026: From $470
    03

    Thu

  • BNA–PWM, 09/04/2026: From $353
    04

    Fri

  • BNA–PWM, 09/05/2026: From $265
    05

    Sat

  • BNA–PWM, 09/06/2026: From $260
    06

    Sun

  • BNA–PWM, 09/07/2026: From $260
    07

    Mon

  • BNA–PWM, 09/08/2026: From $260
    08

    Tue

  • BNA–PWM, 09/09/2026: From $260
    09

    Wed

  • BNA–PWM, 09/10/2026: From $296
    10

    Thu

  • BNA–PWM, 09/11/2026: From $200
    11

    Fri

  • BNA–PWM, 09/12/2026: From $178
    12

    Sat

  • BNA–PWM, 09/13/2026: From $235
    13

    Sun

  • BNA–PWM, 09/14/2026: From $200
    14

    Mon

  • BNA–PWM, 09/15/2026: From $154
    15

    Tue

  • BNA–PWM, 09/16/2026: From $207
    16

    Wed

  • BNA–PWM, 09/17/2026: From $195
    17

    Thu

  • BNA–PWM: cmp-view-offers-disclaimer. Find Offers
    18

    Fri

  • BNA–PWM, 09/19/2026: From $212
    19

    Sat

  • BNA–PWM: cmp-view-offers-disclaimer. Find Offers
    20

    Sun

    • Range$154-$470

    *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:
    Nashville Metropolitan Airport
    Arriving at:
    Portland International Jetport
    Average flight time:
    2 hours 30 minutes
    Distance:
    1010 miles

    Route Information

    85† Weekly flights
    • 1‡ Nonstop flight per day Monday through Friday
    • 1‡ Nonstop flight on Saturday
    • 1‡ Nonstop flight on Sunday

    † 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 Nashville to Portland, ME is 2 hours 30 minutes.
    There are 85 weekly flights from Nashville to Portland, ME on Southwest Airlines.
    Yes, Southwest flies nonstop from Nashville to Portland, ME once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Nashville to Portland, ME once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Nashville to Portland, ME with Southwest, check out our Low Fare Calendar.
    You can rent a car at Portland International Jetport book yours with your flight.
    Yes! Flights from Nashville to Portland, ME—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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