American Airlines flights from Denver to San Diego

Recent searches for flights from Denver to San Diego

Aug 2026
From$257*
Updated: 1 hour ago
Round tripIEconomy
Sep 2026
From$197*
Updated: 1 hour ago
Round tripIEconomy
Oct 2026
From$197*
Updated: 1 hour ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $257
cmp-daily-histogram-bars-legend-max-price-aria-label $672
Displaying fares for August-2026
  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    04

    Tu

    AUG

  • DEN–SAN, 08/05/26 – 08/12/26: From $672
    05

    We

  • DEN–SAN, 08/06/26 – 08/13/26: From $672
    06

    Th

  • DEN–SAN, 08/07/26 – 08/14/26: From $672
    07

    Fr

  • DEN–SAN, 08/08/26 – 08/15/26: From $672
    08

    Sa

  • DEN–SAN, 08/09/26 – 08/16/26: From $672
    09

    Su

  • DEN–SAN, 08/10/26 – 08/17/26: From $542
    10

    Mo

  • DEN–SAN, 08/11/26 – 08/18/26: From $542
    11

    Tu

  • DEN–SAN, 08/12/26 – 08/19/26: From $542
    12

    We

  • DEN–SAN, 08/13/26 – 08/20/26: From $542
    13

    Th

  • DEN–SAN, 08/14/26 – 08/21/26: From $542
    14

    Fr

  • DEN–SAN, 08/15/26 – 08/22/26: From $542
    15

    Sa

  • DEN–SAN, 08/16/26 – 08/23/26: From $542
    16

    Su

  • DEN–SAN, 08/17/26 – 08/24/26: From $372
    17

    Mo

  • DEN–SAN, 08/18/26 – 08/25/26: From $372
    18

    Tu

  • DEN–SAN, 08/19/26 – 08/26/26: From $372
    19

    We

  • DEN–SAN, 08/20/26 – 08/27/26: From $372
    20

    Th

  • DEN–SAN, 08/21/26 – 08/28/26: From $372
    21

    Fr

  • DEN–SAN, 08/22/26 – 08/29/26: From $372
    22

    Sa

  • DEN–SAN, 08/23/26 – 08/28/26: From $372
    23

    Su

  • DEN–SAN, 08/24/26 – 08/31/26: From $317
    24

    Mo

  • DEN–SAN, 08/25/26 – 09/01/26: From $317
    25

    Tu

  • DEN–SAN, 08/26/26 – 09/02/26: From $257
    26

    We

  • DEN–SAN, 08/27/26 – 09/03/26: From $267
    27

    Th

  • DEN–SAN, 08/28/26 – 09/04/26: From $267
    28

    Fr

  • DEN–SAN, 08/29/26 – 09/05/26: From $257
    29

    Sa

  • DEN–SAN, 08/30/26 – 09/06/26: From $267
    30

    Su

  • DEN–SAN, 08/31/26 – 09/07/26: From $343
    31

    Mo

  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    01

    Tu

    SEP

  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    02

    We

  • DEN–SAN, 09/03/26 – 09/07/26: From $293
    03

    Th

    • range$257-$672

    DisclaimerFares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Fares listed may be Basic Economy, which class is subject to additional terms and conditions. Additional baggage fees and charges for optional products and services may apply.

    Find deals on Denver to San Diego flights

    $
    keyboard_arrow_down

    Denver (DEN)to

    San Diego (SAN)
    10/06/26 - 10/13/26

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 1 hour ago

    Denver (DEN)to

    San Diego (SAN)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 1 hour ago

    Denver (DEN)to

    San Diego (SAN)
    09/05/26 - 09/12/26

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 1 hour ago

    Denver (DEN)to

    San Diego (SAN)
    09/08/26 - 09/15/26

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 1 hour ago

    Denver (DEN)to

    San Diego (SAN)
    09/09/26 - 09/16/26

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 1 hour ago

    Denver (DEN)to

    San Diego (SAN)
    09/16/26 - 09/23/26

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 1 hour ago

    Denver (DEN)to

    San Diego (SAN)
    09/19/26 - 09/26/26

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 1 hour ago

    Denver (DEN)to

    San Diego (SAN)
    09/26/26 - 10/03/26

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 1 hour ago

    *Fares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Some fares listed may include one or more connections that are Basic Economy, which class is subject to additional terms and conditions. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Additional baggage fees and charges for optional products and services may apply.

    Finding cheap flights from Denver to San Diego

    Looking for lower fares on your trip from Denver to San Diego? Here are a few ways to save.

    • Book early: Booking 1 to 3 months ahead can help you find lower fares
    • Be flexible with dates: Midweek travel, like Tuesdays and Wednesdays, can be more affordable
    • Travel during less busy periods: Flying outside peak travel times can help find lower fares and avoid crowds

    Earn up to $500 back on your next American Airlines flight plus, 30,000 bonus miles. Offers vary elsewhere. Opens another site in a new window that may not meet accessibility guidelines.

    Upgrade your flight with Main Cabin Extra

    Make your trip more comfortable with Main Cabin Extra. Enjoy benefits like:

    • Extra legroom: More space with seats at the front of the Main Cabin or in exit rows.
    • Early boarding: Preferred Group 5 boarding allows easier access to overhead bins.
    • Complimentary drinks: Enjoy beer, wine and spirits on flights with full beverage service.

    Discover how Main Cabin Extra can enhance your trip.

    American Airlines flights from Denver to San Diego