Book Cheap Flights from Chicago with Alaska Airlines
Find round-trip flight deals from Chicago.*
Chicago (ORD)to
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Chicago (ORD)to
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Chicago (ORD)to
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Chicago (ORD)to
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Phoenix (PHX)*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 flight deals from Chicago.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Chicago (ORD) | Seattle (SEA) | One-way | Saver | Depart: May 26, 2026 | From $76 Seen: 4 hours ago | |
| Chicago (ORD) | San Diego (SAN) | One-way | Saver | Depart: May 20, 2026 | From $79 Seen: 5 hours ago | |
| Chicago (ORD) | San Diego (SAN) | One-way | Saver | Depart: Apr 15, 2026 | From $79 Seen: 11 hours ago | |
| Chicago (ORD) | San Diego (SAN) | One-way | Saver | Depart: Mar 17, 2026 | From $79 Seen: 2 hours ago | |
| Chicago (ORD) | San Diego (SAN) | One-way | Saver | Depart: Mar 11, 2026 | From $79 Seen: 3 hours ago | |
| Chicago (ORD) | San Diego (SAN) | One-way | Saver | Depart: Mar 10, 2026 | From $79 Seen: 2 hours ago | |
| Chicago (ORD) | San Diego (SAN) | One-way | Saver | Depart: Mar 25, 2026 | From $79 Seen: 3 hours ago | |
| Chicago (ORD) | Phoenix (PHX) | One-way | Saver | Depart: Mar 10, 2026 | From $89 Seen: 2 hours ago | |
| Chicago (ORD) | Spokane (GEG) | One-way | Saver | Depart: Apr 15, 2026 | From $99 Seen: 16 hours ago | |
| Chicago (ORD) | Boise (BOI) | One-way | Saver | Depart: Apr 21, 2026 | From $99 Seen: 16 hours ago | |
| Chicago (ORD) | Boise (BOI) | One-way | Saver | Depart: Apr 8, 2026 | From $99 Seen: 16 hours ago | |
| Chicago (ORD) | Boise (BOI) | One-way | Saver | Depart: Apr 28, 2026 | From $99 Seen: 16 hours ago | |
| Chicago (ORD) | Boise (BOI) | One-way | Saver | Depart: Mar 17, 2026 | From $99 Seen: 16 hours ago | |
| Chicago (ORD) | Boise (BOI) | One-way | Saver | Depart: Apr 14, 2026 | From $99 Seen: 16 hours ago | |
| Chicago (ORD) | Boise (BOI) | One-way | Saver | Depart: Apr 29, 2026 | From $99 Seen: 16 hours ago | |
| Chicago (ORD) | Seattle (SEA) | One-way | Saver | Depart: Apr 14, 2026 | From $99 Seen: 16 hours ago | |
| Chicago (ORD) | Seattle (SEA) | One-way | Saver | Depart: Mar 24, 2026 | From $99 Seen: 16 hours ago | |
| Chicago (ORD) | Seattle (SEA) | One-way | Saver | Depart: Apr 7, 2026 | From $99 Seen: 16 hours ago | |
| Chicago (ORD) | Seattle (SEA) | One-way | Saver | Depart: Apr 28, 2026 | From $99 Seen: 16 hours ago | |
| Chicago (ORD) | Seattle (SEA) | One-way | Saver | Depart: May 2, 2026 | From $99 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.