Alaska Airlines Flights from Seattle to Chicago
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1 Passenger
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One-way low-fare flights Seattle to Chicago.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Seattle (SEA) | Chicago (ORD) | One-way | Saver | Depart: Oct 17, 2026 | From $120 Seen: 7 hours ago | |
| Seattle (SEA) | Chicago (ORD) | One-way | Saver | Depart: Nov 2, 2026 | From $120 Seen: 7 hours ago | |
| Seattle (SEA) | Chicago (ORD) | One-way | Saver | Depart: Nov 12, 2026 | From $120 Seen: 7 hours ago | |
| Seattle (SEA) | Chicago (ORD) | One-way | Saver | Depart: Dec 3, 2026 | From $120 Seen: 7 hours ago | |
| Seattle (SEA) | Chicago (ORD) | One-way | Saver | Depart: Dec 7, 2026 | From $120 Seen: 7 hours ago | |
| Seattle (SEA) | Chicago (ORD) | One-way | Saver | Depart: Oct 19, 2026 | From $120 Seen: 7 hours ago | |
| Seattle (SEA) | Chicago (ORD) | One-way | Saver | Depart: Oct 26, 2026 | From $120 Seen: 7 hours ago | |
| Seattle (SEA) | Chicago (ORD) | One-way | Saver | Depart: Oct 31, 2026 | From $120 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.