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Prices starting at $328 for return flights and $151 for one-way flights to Key West were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
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The best fares for St. Louis to Key West flights are always found on Orbitz. With superior discounts and the latest innovations in mobile access, your ideal trip starts with Orbitz.
We provide access to many low-cost vacation packages and travelers can mix and match airlines when scheduling their flights for the best prices and flight times. Finding cheap tickets on flights from St. Louis to Key West is easy when you make Orbitz your #1 travel planner.
Our iPhone and Android mobile apps can be used to compare and book flights from St. Louis to Key West. These apps are perfect for checking the status of flights, gate and baggage claims details, car rental rates, and for receiving alerts on special savings that are exclusive to mobile users. Mobile app users can even score great rates when booking hotel rooms. You can compare hotels, virtually view photo galleries, and check out user reviews using the app, as well as find out which ones are closest to you.
Orbitz also offers free travel updates that are sent to your email or mobile phone that notifies you of booking changes, disruptions in service, or delayed flights.
Boost your points or miles for your frequent flyer program on certain St. Louis to Key West flights. Simply provide your frequent flyer information when booking flights from St. Louis to Key West with Orbitz and get both a low fare and travel rewards. You can enter this information in your Orbitz account profile for easy remembering in future bookings.
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.