Alaska Airlines Flights from Seattle to Chicago

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Lowest fares from Seattle to Chicago

Jun 2025
From$209*
Seen: 7 hours ago
Flight Type One Way|Saver
$95
$375
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Range$95-$375

*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 Seattle to Chicago.*

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One-way low-fare flights Seattle to Chicago.*
From
To
Fare Type
Dates
Price
Seattle (SEA)Chicago (ORD)One-way
|
Saver		Depart: Oct 7, 2025

From

$55

Seen: 9 hours ago

Seattle (SEA)Chicago (ORD)One-way
|
Saver		Depart: Sep 2, 2025

From

$55

Seen: 12 hours ago

Seattle (SEA)Chicago (ORD)One-way
|
Saver		Depart: Sep 23, 2025

From

$55

Seen: 10 hours ago

Seattle (SEA)Chicago (ORD)One-way
|
Saver		Depart: Oct 29, 2025

From

$55

Seen: 1 day ago

Seattle (SEA)Chicago (ORD)One-way
|
Saver		Depart: Oct 18, 2025

From

$63

Seen: 1 day ago

Seattle (SEA)Chicago (ORD)One-way
|
Saver		Depart: Sep 13, 2025

From

$63

Seen: 1 day ago

Seattle (SEA)Chicago (ORD)One-way
|
Saver		Depart: Oct 11, 2025

From

$63

Seen: 1 day ago

Seattle (SEA)Chicago (ORD)One-way
|
Saver		Depart: Aug 30, 2025

From

$63

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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