Flights from Denver (DEN) to San Diego (SAN) on Alaska Airlines

Lowest fares from Denver to San Diego

Oct 2026
From$108*
Seen: 1 day ago
Flight Type One Way|Saver
Nov 2026
From$101*
Seen: 1 day ago
Flight Type One Way|Saver
Dec 2026
From$101*
Seen: 1 day ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $101
Displaying fares for October-2026
  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    10

    Sa

    OCT

  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    11

    Su

  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    12

    Mo

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

    Tu

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

    We

  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    15

    Th

  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    16

    Fr

  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    17

    Sa

  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    18

    Su

  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    19

    Mo

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

    Tu

  • DEN–SAN, Oct 21, 2026: From $309
    21

    We

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

    Th

  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    23

    Fr

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

    Sa

  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    25

    Su

  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    26

    Mo

  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    27

    Tu

  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    28

    We

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

    Th

  • DEN–SAN, Oct 30, 2026: From $108
    30

    Fr

  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    31

    Sa

  • DEN–SAN, Nov 1, 2026: From $159
    01

    Su

    NOV

  • DEN–SAN, Nov 2, 2026: From $101
    02

    Mo

  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    03

    Tu

  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    04

    We

  • DEN–SAN, Nov 5, 2026: From $101
    05

    Th

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

    Fr

  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    07

    Sa

  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    08

    Su

  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    09

    Mo

    • Range$101-$309

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    One-way low-fare flights Denver to San Diego.*

    $
    keyboard_arrow_down
    One-way low-fare flights Denver to San Diego.*
    From
    To
    Fare Type
    Dates
    Price
    Denver (DEN)San Diego (SAN)One-way
    |
    Saver    		Depart: Feb 20, 2027

    From

    $99

    Seen: 1 day ago

    Denver (DEN)San Diego (SAN)One-way
    |
    Saver    		Depart: Mar 9, 2027

    From

    $99

    Seen: 1 day ago

    Denver (DEN)San Diego (SAN)One-way
    |
    Saver    		Depart: Nov 5, 2026

    From

    $101

    Seen: 1 day ago

    Denver (DEN)San Diego (SAN)One-way
    |
    Saver    		Depart: Dec 17, 2026

    From

    $101

    Seen: 1 day ago

    Denver (DEN)San Diego (SAN)One-way
    |
    Saver    		Depart: Nov 20, 2026

    From

    $108

    Seen: 1 day ago

    Denver (DEN)San Diego (SAN)One-way
    |
    Saver    		Depart: Nov 1, 2026

    From

    $159

    Seen: 1 day ago

    Denver (DEN)San Diego (SAN)One-way
    |
    Saver    		Depart: Nov 2, 2026

    From

    $101

    Seen: 1 day ago

    Denver (DEN)San Diego (SAN)One-way
    |
    Saver    		Depart: Oct 30, 2026

    From

    $108

    Seen: 1 day ago

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    Frequently Asked Questions on flights from Denver (DEN) to San Diego (SAN)

    When is the best time to book a flight from Denver to San Diego?

    Want to find the lowest fares by day and time flying from Denver to San Diego on Alaska Airlines or Hawaiian Airlines? Check out our flight search widget.

    Can I earn points on my flight to San Diego?

    Yes, with Atmosâ„¢ Rewards you can earn points on flights to 1000+ destinations worldwide through the growing network of Alaska and Hawaiian Airlines. Not an Atmosâ„¢ Rewards member yet? Learn more and join today.

    Can I rent a car when I arrive at San Diego International Airport?

    Yes, you can rent a car at San Diego International Airport. Check availability and book now

    Where can I find the status of my flight to San Diego?

    You can check the status of your upcoming Alaska Airlines flight on our flight schedule page.

    Where can I find answers to questions about flying with Alaska Airlines?

    Visit the Alaska Airlines Help Center to quickly browse our help pages by category to find the information you need.

    Can I change or cancel my Alaska Airlines flight to San Diego?

    Yes, you can review, modify, or cancel a reservation from our Manage Your Reservation tool. You can learn more about our policy for changing or cancelling a reservation here. 

    Looking for more? See other routes