Alaska Airlines Flights from Denver to San Diego

Lowest fares from Denver to San Diego

Mar 2026
From$149*
Seen: 1 day ago
Flight Type One Way|Saver
Apr 2026
From$59*
Seen: 1 day ago
Flight Type One Way|Saver
May 2026
From$69*
Seen: 1 day ago
Flight Type One Way|Saver
$69
$219
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    • Range$69-$219

    *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.*

    $
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    One-way low-fare flights Denver to San Diego.*
    From
    To
    Fare Type
    Dates
    Price
    Denver (DEN)San Diego (SAN)One-way
    |
    Saver    		Depart: Apr 20, 2026

    From

    $59

    Seen: 1 day ago

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

    From

    $69

    Seen: 1 day ago

    Denver (DEN)San Diego (SAN)One-way
    |
    Saver    		Depart: Apr 8, 2026

    From

    $69

    Seen: 11 hours ago

    Denver (DEN)San Diego (SAN)One-way
    |
    Saver    		Depart: Apr 16, 2026

    From

    $69

    Seen: 9 hours ago

    Denver (DEN)San Diego (SAN)One-way
    |
    Saver    		Depart: Apr 13, 2026

    From

    $69

    Seen: 6 hours ago

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

    From

    $69

    Seen: 3 hours ago

    Denver (DEN)San Diego (SAN)One-way
    |
    Saver    		Depart: Apr 14, 2026

    From

    $69

    Seen: 8 hours ago

    Denver (DEN)San Diego (SAN)One-way
    |
    Saver    		Depart: Apr 19, 2026

    From

    $69

    Seen: 7 hours 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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