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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.
Prices starting at $168 for return flights and $89 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.
|Origin Airport IATA Code||CHI|
|Destination Airport IATA Code||SEA|
|Direct Flight Airlines||American Airlines, Qatar Airways, Aer Lingus, Austrian, Air France, Delta Air Lines, SWISS, United Airlines, Alaska Airlines, Turkish Airlines, Royal Jordanian, SAS, Korean Air, Air Tahiti Nui, Malaysia Airlines, Brussels Airlines, Lufthansa, Gulf Air, British Airways|
|Earliest Flight Arrival||3:36PM UTC|
|Latest Flight Arrival||5:27AM UTC|
Orbitz has your best deals on Chicago to SeaTac flights. From guaranteed low prices to cutting-edge mobile tools, the perfect trip begins on Orbitz.
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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.