$95 Cheap flight deals from Seattle (SEA) to O'Fallon (STL)
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This Weekend's Flight Deals from Seattle to O'Fallon
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 $95 One Way, $189 Round Trip from Seattle to O'Fallon
Prices starting at $189 for return flights and $95 for one-way flights to O'Fallon were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
O'Fallon packages with premium economy flights
The Wildwood Hotel
May 6 - May 13
Seattle (SEA) to St. Louis (STL)
Reviewed on Apr 1, 2025
Hilton Garden Inn Chesterfield
May 6 - May 13
Seattle (SEA) to St. Louis (STL)
Reviewed on Nov 13, 2024
More About Flying To O'Fallon from Seattle
Route Information for Flights from Seattle to O'Fallon
Origin Airport IATA Code | SEA |
|---|---|
Destination Airport IATA Code | STL |
Distance | 1705 mi |
Direct Flight Airlines | American Airlines, Qatar Airways, JAL, Alaska Airlines, Southwest Airlines, Hawaiian Airlines, Air Tahiti Nui, Singapore Airlines |
Earliest Flight Arrival | 8:30PM UTC |
Latest Flight Arrival | 6:59AM UTC |
Seattle to O'Fallon
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O'Fallon 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.