Southwest® flights from San Diego to Denver from $99

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Low fares from San Diego to Denver

$

San Diego (SAN)to

Denver (DEN)
Depart: 12/01/2026

One-way

Basic

From
$99
Seen: 21 hrs ago

San Diego (SAN)to

Denver (DEN)
Depart: 10/31/2026

One-way

Basic

From
$99
Seen: 13 hrs ago

San Diego (SAN)to

Denver (DEN)
Depart: 11/07/2026

One-way

Basic

From
$99
Seen: 15 hrs ago

San Diego (SAN)to

Denver (DEN)
Depart: 12/12/2026

One-way

Basic

From
$99
Seen: 9 hrs ago

San Diego (SAN)to

Denver (DEN)
Depart: 12/05/2026

One-way

Basic

From
$99
Seen: 15 hrs ago

San Diego (SAN)to

Denver (DEN)
Depart: 11/11/2026

One-way

Basic

From
$99
Seen: 8 hrs ago

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Explore flights from San Diego to Denver

Oct 2026
From$99*
Seen: 13 hrs ago
One Way/Basic
Nov 2026
From$99*
Seen: 8 hrs ago
One Way/Basic
Dec 2026
From$99*
Seen: 15 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $99
cmp-daily-histogram-bars-legend-max-price-aria-label $394
Displaying fares for October-2026
  • SAN–DEN: cmp-view-offers-disclaimer. Find Offers
    01

    Thu

    OCT

  • SAN–DEN, 10/02/2026: From $394
    02

    Fri

  • SAN–DEN, 10/03/2026: From $394
    03

    Sat

  • SAN–DEN, 10/04/2026: From $394
    04

    Sun

  • SAN–DEN: cmp-view-offers-disclaimer. Find Offers
    05

    Mon

  • SAN–DEN, 10/06/2026: From $394
    06

    Tue

  • SAN–DEN, 10/07/2026: From $394
    07

    Wed

  • SAN–DEN, 10/08/2026: From $299
    08

    Thu

  • SAN–DEN, 10/09/2026: From $208
    09

    Fri

  • SAN–DEN, 10/10/2026: From $299
    10

    Sat

  • SAN–DEN, 10/11/2026: From $299
    11

    Sun

  • SAN–DEN, 10/12/2026: From $309
    12

    Mon

  • SAN–DEN, 10/13/2026: From $299
    13

    Tue

  • SAN–DEN, 10/14/2026: From $135
    14

    Wed

  • SAN–DEN, 10/15/2026: From $155
    15

    Thu

  • SAN–DEN, 10/16/2026: From $214
    16

    Fri

  • SAN–DEN, 10/17/2026: From $155
    17

    Sat

  • SAN–DEN, 10/18/2026: From $224
    18

    Sun

  • SAN–DEN, 10/19/2026: From $214
    19

    Mon

  • SAN–DEN, 10/20/2026: From $135
    20

    Tue

  • SAN–DEN, 10/21/2026: From $135
    21

    Wed

  • SAN–DEN, 10/22/2026: From $155
    22

    Thu

  • SAN–DEN, 10/23/2026: From $159
    23

    Fri

  • SAN–DEN: cmp-view-offers-disclaimer. Find Offers
    24

    Sat

  • SAN–DEN, 10/25/2026: From $169
    25

    Sun

  • SAN–DEN, 10/26/2026: From $155
    26

    Mon

  • SAN–DEN, 10/27/2026: From $135
    27

    Tue

  • SAN–DEN, 10/28/2026: From $135
    28

    Wed

  • SAN–DEN: cmp-view-offers-disclaimer. Find Offers
    29

    Thu

  • SAN–DEN, 10/30/2026: From $159
    30

    Fri

  • SAN–DEN, 10/31/2026: From $99
    31

    Sat

    • Range$99-$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.

    Flight Details

    Departing from:
    San Diego International Airport
    Arriving at:
    Denver International Airport
    Average flight time:
    2 hours 27 minutes
    Distance:
    853 miles

    Route Information

    156† Weekly flights
    • 7‡ Nonstop flights per day Monday through Friday
    • 5‡ Nonstop flights on Saturday
    • 6‡ Nonstop flights 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 San Diego to Denver is 2 hours 27 minutes.
    There are 156 weekly flights from San Diego to Denver on Southwest Airlines.
    Yes, Southwest flies nonstop from San Diego to Denver 7 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from San Diego to Denver 5 times per day on Saturdays and 6 times per day on Sundays.
    To find the lowest fares by day and time to fly San Diego to Denver with Southwest, check out our Low Fare Calendar.
    You can rent a car at Denver International Airport book yours with your flight.
    Yes! Flights from San Diego to Denver—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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