$90 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 $90 One Way, $173 Round Trip from Chicago to SeaTac
Prices starting at $173 for return flights and $90 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
The Inn at Virginia Mason
Aug 1 - Aug 3
Chicago (CHI) to Seattle (SEA)
Reviewed on Jun 19, 2025
1 Hotel Seattle
Aug 1 - Aug 3
Chicago (CHI) to Seattle (SEA)
Reviewed on May 27, 2025
Embassy Suites by Hilton Seattle North Lynnwood
Aug 14 - Aug 20
Chicago (CHI) to Seattle (SEA)
Reviewed on Dec 27, 2024
SeaTac packages with premium economy flights
1 Hotel Seattle
Aug 8 - Aug 12
Chicago (ORD) to Seattle (SEA)
Reviewed on May 27, 2025
Lotte Hotel Seattle
Aug 8 - Aug 12
Chicago (ORD) to Seattle (SEA)
Reviewed on May 19, 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 | 1715 mi |
Direct Flight Airlines | American Airlines, Qatar Airways, Aer Lingus, Austrian, Air France, Emirates, Delta Air Lines, Swiss, United Airlines, Alaska Airlines, Avianca, Turkish Airlines, SAS, Finnair, Hawaiian Airlines, Iberia, Air Tahiti Nui, Korean Air, Malaysia Airlines, Brussels Airlines, Lufthansa, Gulf Air, British Airways |
Earliest Flight Arrival | 3:37PM UTC |
Latest Flight Arrival | 6:59AM UTC |
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.