Alaska Airlines Flights from Chicago to San Diego

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Lowest fares from Chicago to San Diego

Jun 2025
From$310*
Seen: 1 day ago
Flight Type One Way|Saver
$158
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Range$158-$582

*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: Oct 21, 2025

From

$119

Seen: 11 hours ago

Chicago (ORD)San Diego (SAN)One-way
|
Saver		Depart: Oct 5, 2025

From

$119

Seen: 1 day ago

Chicago (ORD)San Diego (SAN)One-way
|
Saver		Depart: Jul 4, 2025

From

$158

Seen: 1 day ago

Chicago (ORD)San Diego (SAN)One-way
|
Saver		Depart: Nov 23, 2025

From

$184

Seen: 18 hours ago

Chicago (ORD)San Diego (SAN)One-way
|
Saver		Depart: Nov 21, 2025

From

$184

Seen: 9 hours ago

Chicago (ORD)San Diego (SAN)One-way
|
Saver		Depart: Sep 26, 2025

From

$191

Seen: 1 day ago

Chicago (ORD)San Diego (SAN)One-way
|
Saver		Depart: Aug 4, 2025

From

$248

Seen: 13 hours ago

Chicago (ORD)San Diego (SAN)One-way
|
Saver		Depart: Jul 24, 2025

From

$248

Seen: 16 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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