$83 Cheap flight deals from Seattle (SEA) to Castle Rock (DEN)
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This Weekend's Flight Deals from Seattle to Castle Rock
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 $83 One Way, $105 Round Trip from Seattle to Castle Rock
Prices starting at $105 for return flights and $83 for one-way flights to Castle Rock were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Castle Rock economy flight packages
The Oxford Hotel
Oct 14 - Oct 18
Seattle (SEA) to Denver (DEN)
Reviewed on Sep 1, 2026
More About Flying To Castle Rock from Seattle
Route Information for Flights from Seattle to Castle Rock
Origin Airport IATA Code | SEA |
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Destination Airport IATA Code | DEN |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Seattle to Castle Rock
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Best Deals At Your Fingertips
Orbitz combines low prices on Seattle to Castle Rock flights with discounts on quality hotels. Using Orbitz’s Display Matrix, you can see all your options and savings easily. With our low price guarantee, you know you have the best deals at your fingertips.
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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.