$67 Cheap flight deals from Seattle (SEA) to St. Charles (CHI)
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This Weekend's Flight Deals from Seattle to St. Charles
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 $67 One Way, $93 Round Trip from Seattle to St. Charles
Prices starting at $93 for return flights and $67 for one-way flights to St. Charles were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
St. Charles economy flight packages
Level Chicago – Old Town
Mar 3 - Mar 8
Seattle (SEA) to Chicago (ORD)
Reviewed on Nov 20, 2025
Trump International Hotel & Tower Chicago
Mar 6 - Mar 9
Seattle (SEA) to Chicago (ORD)
Reviewed on Oct 13, 2025
Viceroy Chicago
Mar 3 - Mar 8
Seattle (SEA) to Chicago (ORD)
Reviewed on Sep 23, 2025
St. Charles packages with premium economy flights
LondonHouse Chicago, Curio Collection by Hilton
Feb 12 - Feb 16
Seattle (SEA) to Chicago (ORD)
Reviewed on Jan 12, 2026
Hotel Riu Plaza Chicago
Feb 12 - Feb 16
Seattle (SEA) to Chicago (ORD)
Reviewed on Dec 28, 2025
Trump International Hotel & Tower Chicago
Feb 13 - Feb 16
Seattle (SEA) to Chicago (ORD)
Reviewed on Oct 13, 2025
More About Flying To St. Charles from Seattle
Route Information for Flights from Seattle to St. Charles
Origin Airport IATA Code | SEA |
|---|---|
Destination Airport IATA Code | CHI |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Seattle to St. Charles
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Unbeatable Deals for Flights From Seattle to St. Charles
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Easy Flight Cancellation
In most cases, you can cancel flights from Seattle to St. Charles online with the same ease as you booked them.
Flights from Seattle
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St. Charles 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.