Southwest® flights from Pittsburgh to San Diego from $182

Promo Code

Low fares from Pittsburgh to San Diego

$

Pittsburgh (PIT)to

San Diego (SAN)
Depart: 10/29/2026

One-way

Basic

From
$182
Seen: 15 hrs ago

Pittsburgh (PIT)to

San Diego (SAN)
Depart: 10/23/2026

One-way

Basic

From
$182
Seen: 16 hrs ago

Pittsburgh (PIT)to

San Diego (SAN)
Depart: 10/26/2026

One-way

Basic

From
$182
Seen: 16 hrs ago

Pittsburgh (PIT)to

San Diego (SAN)
Depart: 10/30/2026

One-way

Basic

From
$182
Seen: 19 hrs ago

Pittsburgh (PIT)to

San Diego (SAN)
Depart: 11/06/2026

One-way

Basic

From
$182
Seen: 20 hrs ago

Pittsburgh (PIT)to

San Diego (SAN)
Depart: 11/23/2026

One-way

Basic

From
$182
Seen: 16 hrs ago

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

Explore flights from Pittsburgh to San Diego

Sep 2026
From$263*
Seen: 15 hrs ago
One Way/Basic
Oct 2026
From$182*
Seen: 15 hrs ago
One Way/Basic
Nov 2026
From$182*
Seen: 10 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $182
cmp-daily-histogram-bars-legend-max-price-aria-label $390
Displaying fares for September-2026
  • PIT–SAN, 09/12/2026: From $309
    12

    Sat

    SEP

  • PIT–SAN: cmp-view-offers-disclaimer. Find Offers
    13

    Sun

  • PIT–SAN: cmp-view-offers-disclaimer. Find Offers
    14

    Mon

  • PIT–SAN, 09/15/2026: From $309
    15

    Tue

  • PIT–SAN, 09/16/2026: From $309
    16

    Wed

  • PIT–SAN, 09/17/2026: From $390
    17

    Thu

  • PIT–SAN, 09/18/2026: From $359
    18

    Fri

  • PIT–SAN, 09/19/2026: From $290
    19

    Sat

  • PIT–SAN: cmp-view-offers-disclaimer. Find Offers
    20

    Sun

  • PIT–SAN, 09/21/2026: From $359
    21

    Mon

  • PIT–SAN: cmp-view-offers-disclaimer. Find Offers
    22

    Tue

  • PIT–SAN, 09/23/2026: From $290
    23

    Wed

  • PIT–SAN, 09/24/2026: From $359
    24

    Thu

  • PIT–SAN, 09/25/2026: From $263
    25

    Fri

  • PIT–SAN, 09/26/2026: From $263
    26

    Sat

  • PIT–SAN, 09/27/2026: From $263
    27

    Sun

  • PIT–SAN, 09/28/2026: From $285
    28

    Mon

  • PIT–SAN, 09/29/2026: From $263
    29

    Tue

  • PIT–SAN, 09/30/2026: From $263
    30

    Wed

  • PIT–SAN, 10/01/2026: From $263
    01

    Thu

    OCT

  • PIT–SAN, 10/02/2026: From $182
    02

    Fri

  • PIT–SAN, 10/03/2026: From $188
    03

    Sat

  • PIT–SAN, 10/04/2026: From $210
    04

    Sun

  • PIT–SAN, 10/05/2026: From $187
    05

    Mon

  • PIT–SAN: cmp-view-offers-disclaimer. Find Offers
    06

    Tue

  • PIT–SAN, 10/07/2026: From $188
    07

    Wed

  • PIT–SAN, 10/08/2026: From $274
    08

    Thu

  • PIT–SAN, 10/09/2026: From $210
    09

    Fri

  • PIT–SAN, 10/10/2026: From $188
    10

    Sat

  • PIT–SAN, 10/11/2026: From $311
    11

    Sun

    • Range$182-$390

    *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:
    Pittsburgh International Airport
    Arriving at:
    San Diego International Airport
    Distance:
    2106 miles

    Route Information

    156† 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 156 weekly flights from Pittsburgh to San Diego on Southwest Airlines.
    To find the lowest fares by day and time to fly Pittsburgh to San Diego with Southwest, check out our Low Fare Calendar.
    You can rent a car at San Diego International Airport book yours with your flight.
    Yes! Flights from Pittsburgh to San Diego—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.

    Explore Flights from Other Popular Origins

    Popular Flights from Pittsburgh