Southwest® flights from San Diego to Denver from $59

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Low fares from San Diego to Denver

$

San Diego (SAN)to

Denver (DEN)
Depart: 10/06/2026

One-way

Basic

From
$59
Seen: 10 hrs ago

San Diego (SAN)to

Denver (DEN)
Depart: 10/24/2026

One-way

Basic

From
$59
Seen: 9 hrs ago

San Diego (SAN)to

Denver (DEN)
Depart: 08/29/2026

One-way

Basic

From
$59
Seen: 9 hrs ago

San Diego (SAN)to

Denver (DEN)
Depart: 09/05/2026

One-way

Basic

From
$59
Seen: 2 hrs ago

San Diego (SAN)to

Denver (DEN)
Depart: 09/29/2026

One-way

Basic

From
$59
Seen: 33 minutes ago

San Diego (SAN)to

Denver (DEN)
Depart: 10/14/2026

One-way

Basic

From
$59
Seen: 16 hrs ago

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Explore flights from San Diego to Denver

Aug 2026
From$59*
Seen: 9 hrs ago
One Way/Basic
Sep 2026
From$59*
Seen: 11 hrs ago
One Way/Basic
Oct 2026
From$59*
Seen: 16 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $59
cmp-daily-histogram-bars-legend-max-price-aria-label $374
Displaying fares for August-2026
  • SAN–DEN, 08/01/2026: From $374
    01

    Sat

    AUG

  • SAN–DEN, 08/02/2026: From $374
    02

    Sun

  • SAN–DEN, 08/03/2026: From $374
    03

    Mon

  • SAN–DEN, 08/04/2026: From $374
    04

    Tue

  • SAN–DEN, 08/05/2026: From $374
    05

    Wed

  • SAN–DEN, 08/06/2026: From $374
    06

    Thu

  • SAN–DEN, 08/07/2026: From $279
    07

    Fri

  • SAN–DEN, 08/08/2026: From $279
    08

    Sat

  • SAN–DEN, 08/09/2026: From $279
    09

    Sun

  • SAN–DEN, 08/10/2026: From $279
    10

    Mon

  • SAN–DEN, 08/11/2026: From $279
    11

    Tue

  • SAN–DEN, 08/12/2026: From $279
    12

    Wed

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

    Thu

  • SAN–DEN, 08/14/2026: From $204
    14

    Fri

  • SAN–DEN, 08/15/2026: From $204
    15

    Sat

  • SAN–DEN, 08/16/2026: From $209
    16

    Sun

  • SAN–DEN, 08/17/2026: From $204
    17

    Mon

  • SAN–DEN, 08/18/2026: From $204
    18

    Tue

  • SAN–DEN, 08/19/2026: From $204
    19

    Wed

  • SAN–DEN, 08/20/2026: From $204
    20

    Thu

  • SAN–DEN: cmp-view-offers-disclaimer. Find Offers
    21

    Fri

  • SAN–DEN, 08/22/2026: From $149
    22

    Sat

  • SAN–DEN, 08/23/2026: From $149
    23

    Sun

  • SAN–DEN, 08/24/2026: From $149
    24

    Mon

  • SAN–DEN, 08/25/2026: From $149
    25

    Tue

  • SAN–DEN, 08/26/2026: From $59
    26

    Wed

  • SAN–DEN, 08/27/2026: From $79
    27

    Thu

  • SAN–DEN, 08/28/2026: From $79
    28

    Fri

  • SAN–DEN, 08/29/2026: From $59
    29

    Sat

  • SAN–DEN: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

  • SAN–DEN, 08/31/2026: From $79
    31

    Mon

    • Range$59-$374

    *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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