Alaska Airlines Flights from San Diego to Denver

Lowest fares from San Diego to Denver

Aug 2026
From$204*
Seen: 8 hours ago
Flight Type One Way|Saver
Sep 2026
From$95*
Seen: 1 day ago
Flight Type One Way|Saver
Oct 2026
From$95*
Seen: 1 day ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $95
cmp-daily-histogram-bars-legend-max-price-aria-label $614
Displaying fares for August-2026
  • SAN–DEN, Aug 15, 2026: From $384
    15

    Sa

    AUG

  • SAN–DEN, Aug 16, 2026: From $614
    16

    Su

  • SAN–DEN, Aug 17, 2026: From $384
    17

    Mo

  • SAN–DEN, Aug 18, 2026: From $384
    18

    Tu

  • SAN–DEN, Aug 19, 2026: From $384
    19

    We

  • SAN–DEN, Aug 20, 2026: From $279
    20

    Th

  • SAN–DEN, Aug 21, 2026: From $279
    21

    Fr

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

    Sa

  • SAN–DEN, Aug 23, 2026: From $279
    23

    Su

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    24

    Mo

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    25

    Tu

  • SAN–DEN, Aug 26, 2026: From $279
    26

    We

  • SAN–DEN, Aug 27, 2026: From $204
    27

    Th

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    28

    Fr

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

    Sa

  • SAN–DEN, Aug 30, 2026: From $204
    30

    Su

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

    Mo

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

    Tu

    SEP

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    02

    We

  • SAN–DEN, Sep 3, 2026: From $95
    03

    Th

  • SAN–DEN, Sep 4, 2026: From $108
    04

    Fr

  • SAN–DEN, Sep 5, 2026: From $95
    05

    Sa

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    06

    Su

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    07

    Mo

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    08

    Tu

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    09

    We

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    10

    Th

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    11

    Fr

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    12

    Sa

  • SAN–DEN, Sep 13, 2026: From $109
    13

    Su

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

    Mo

    • Range$95-$614

    *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 San Diego to Denver.*

    $
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    One-way low-fare flights San Diego to Denver.*
    From
    To
    Fare Type
    Dates
    Price
    San Diego (SAN)Denver (DEN)One-way
    |
    Saver    		Depart: Dec 1, 2026

    From

    $79

    Seen: 10 hours ago

    San Diego (SAN)Denver (DEN)One-way
    |
    Saver    		Depart: Feb 6, 2027

    From

    $95

    Seen: 1 day ago

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

    From

    $95

    Seen: 1 day ago

    San Diego (SAN)Denver (DEN)One-way
    |
    Saver    		Depart: Oct 15, 2026

    From

    $95

    Seen: 1 day ago

    San Diego (SAN)Denver (DEN)One-way
    |
    Saver    		Depart: Nov 12, 2026

    From

    $95

    Seen: 1 day ago

    San Diego (SAN)Denver (DEN)One-way
    |
    Saver    		Depart: Oct 12, 2026

    From

    $95

    Seen: 1 day ago

    San Diego (SAN)Denver (DEN)One-way
    |
    Saver    		Depart: Sep 3, 2026

    From

    $95

    Seen: 1 day ago

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

    From

    $95

    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.

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