Southwest® flights from Portland, OR to Charleston from $180

Promo Code

Low fares from Portland, OR to Charleston

$

Portland, OR (PDX)to

Charleston (CHS)
Depart: 11/10/2026

One-way

Basic

From
$180
Seen: 1 minute ago

Portland, OR (PDX)to

Charleston (CHS)
Depart: 11/03/2026

One-way

Basic

From
$185
Seen: 11 hrs ago

Portland, OR (PDX)to

Charleston (CHS)
Depart: 01/12/2027

One-way

Basic

From
$185
Seen: 15 hrs ago

Portland, OR (PDX)to

Charleston (CHS)
Depart: 11/14/2026

One-way

Basic

From
$215
Seen: 15 minutes ago

Portland, OR (PDX)to

Charleston (CHS)
Depart: 11/07/2026

One-way

Basic

From
$215
Seen: 16 minutes ago

Portland, OR (PDX)to

Charleston (CHS)
Depart: 11/10/2026

One-way

Choice

From
$235
Seen: 1 minute ago

Looking for more low-fare flights?

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Explore flights from Portland, OR to Charleston

Oct 2026
From$269*
Seen: 21 hrs ago
One Way/Basic
Nov 2026
From$180*
Seen: 1 minute ago
One Way/Basic
Dec 2026
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $185
cmp-daily-histogram-bars-legend-max-price-aria-label $385
Displaying fares for October-2026
  • PDX–CHS, 10/04/2026: From $354
    04

    Sun

    OCT

  • PDX–CHS: cmp-view-offers-disclaimer. Find Offers
    05

    Mon

  • PDX–CHS, 10/06/2026: From $269
    06

    Tue

  • PDX–CHS, 10/07/2026: From $290
    07

    Wed

  • PDX–CHS, 10/08/2026: From $385
    08

    Thu

  • PDX–CHS, 10/09/2026: From $354
    09

    Fri

  • PDX–CHS, 10/10/2026: From $269
    10

    Sat

  • PDX–CHS, 10/11/2026: From $300
    11

    Sun

  • PDX–CHS, 10/12/2026: From $278
    12

    Mon

  • PDX–CHS, 10/13/2026: From $320
    13

    Tue

  • PDX–CHS, 10/14/2026: From $269
    14

    Wed

  • PDX–CHS, 10/15/2026: From $325
    15

    Thu

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

    Fri

  • PDX–CHS, 10/17/2026: From $274
    17

    Sat

  • PDX–CHS, 10/18/2026: From $305
    18

    Sun

  • PDX–CHS, 10/19/2026: From $273
    19

    Mon

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

    Tue

  • PDX–CHS, 10/21/2026: From $274
    21

    Wed

  • PDX–CHS, 10/22/2026: From $278
    22

    Thu

  • PDX–CHS, 10/23/2026: From $273
    23

    Fri

  • PDX–CHS, 10/24/2026: From $269
    24

    Sat

  • PDX–CHS, 10/25/2026: From $278
    25

    Sun

  • PDX–CHS, 10/26/2026: From $273
    26

    Mon

  • PDX–CHS, 10/27/2026: From $269
    27

    Tue

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

    Wed

  • PDX–CHS, 10/29/2026: From $278
    29

    Thu

  • PDX–CHS, 10/30/2026: From $273
    30

    Fri

  • PDX–CHS, 10/31/2026: From $269
    31

    Sat

  • PDX–CHS, 11/01/2026: From $253
    01

    Sun

    NOV

  • PDX–CHS, 11/02/2026: From $243
    02

    Mon

  • PDX–CHS, 11/03/2026: From $185
    03

    Tue

    • Range$185-$385

    *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:
    Portland International Airport
    Arriving at:
    Charleston International Airport
    Distance:
    2411 miles

    Route Information

    43† Weekly flights

    † 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

    There are 43 weekly flights from Portland, OR to Charleston on Southwest Airlines.
    To find the lowest fares by day and time to fly Portland, OR to Charleston with Southwest, check out our Low Fare Calendar.
    You can rent a car at Charleston International Airport book yours with your flight.
    Yes! Flights from Portland, OR to Charleston—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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