$47 Cheap flight deals from Chicago (CHI) to SeaTac (SEA)
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This Weekend's Flight Deals from Chicago to SeaTac
This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Airfares from $47 One Way, $90 Round Trip from Chicago to SeaTac
Prices starting at $90 for return flights and $47 for one-way flights to SeaTac were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
SeaTac economy flight packages
Holiday Inn Express & Suites Seattle North - Lynnwood by IHG
Feb 12 - Feb 15
Chicago (CHI) to Seattle (SEA)
Reviewed on Jun 23, 2025
1 Hotel Seattle
Feb 12 - Feb 17
Chicago (ORD) to Seattle (SEA)
Reviewed on May 27, 2025
Graduate by Hilton Seattle
Feb 12 - Feb 15
Chicago (CHI) to Seattle (SEA)
Seattle (SEA) to Chicago (CHI)
Reviewed on Aug 6, 2025
SeaTac packages with premium economy flights
Sleep Inn - SeaTac Airport
Feb 13 - Feb 21
Chicago (CHI) to Seattle (SEA)
Reviewed on Oct 11, 2025
citizenM Seattle South Lake Union
Feb 13 - Feb 21
Chicago (CHI) to Seattle (SEA)
Reviewed on May 11, 2025
Comfort Inn & Suites Sea-Tac Airport
Feb 13 - Feb 21
Chicago (CHI) to Seattle (SEA)
Reviewed on Nov 9, 2025
SeaTac first class flight packages
Sleep Inn - SeaTac Airport
Mar 6 - Mar 9
Chicago (CHI) to Seattle (SEA)
Reviewed on Oct 11, 2025
Fairmont Olympic Hotel
Mar 6 - Mar 9
Chicago (CHI) to Seattle (SEA)
Reviewed on Jul 12, 2025
More About Flying To SeaTac from Chicago
Route Information for Flights from Chicago to SeaTac
Origin Airport IATA Code | CHI |
|---|---|
Destination Airport IATA Code | SEA |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Chicago to SeaTac
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Get Bargain Fares for Chicago to SeaTac Flights
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SeaTac Airports
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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.
Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.
Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.