Alaska Airlines Flights from Chicago to San Diego

Lowest fares from Chicago to San Diego

Apr 2026
From$264*
Seen: 1 day ago
Flight Type One Way|Saver
May 2026
From$119*
Seen: 1 day ago
Flight Type One Way|Saver
Jun 2026
From$129*
Seen: 1 day ago
Flight Type One Way|Saver
$119
$394
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    • Range$119-$394

    *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 Chicago to San Diego.*

    $
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    One-way low-fare flights Chicago to San Diego.*
    From
    To
    Fare Type
    Dates
    Price
    Chicago (ORD)San Diego (SAN)One-way
    |
    Saver    		Depart: May 16, 2026

    From

    $119

    Seen: 6 hours ago

    Chicago (ORD)San Diego (SAN)One-way
    |
    Saver    		Depart: May 13, 2026

    From

    $119

    Seen: 30 minutes ago

    Chicago (ORD)San Diego (SAN)One-way
    |
    Saver    		Depart: May 19, 2026

    From

    $119

    Seen: 12 hours ago

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

    From

    $119

    Seen: 7 hours ago

    Chicago (ORD)San Diego (SAN)One-way
    |
    Saver    		Depart: May 9, 2026

    From

    $129

    Seen: 7 hours ago

    Chicago (ORD)San Diego (SAN)One-way
    |
    Saver    		Depart: Aug 7, 2026

    From

    $66

    Seen: 1 day ago

    Chicago (ORD)San Diego (SAN)One-way
    |
    Saver    		Depart: May 27, 2026

    From

    $119

    Seen: 1 day ago

    Chicago (ORD)San Diego (SAN)One-way
    |
    Saver    		Depart: Jun 6, 2026

    From

    $129

    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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