Many airlines offer flexible change policies
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Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.
|Destination Airport IATA Code||STL|
|Number of Airlines Serving||2|
|Airlines||Frontier Airlines, Spirit Airlines, United|
|Earliest Departing Flight||WN 1100 9:20AM CST|
|Latest Departing Flight||AA 4465 Dec 11 11:36PM CST|
Orbitz uses cutting edge mobile technology to help get you the best deals on Union flights. We offer guaranteed low prices on air tickets that can be combined with hotels and car rentals to save you even more money.
Orbitz not only guarantees low prices for flights to Union, we also offer Mobile Steals on our Orbitz on the Go mobile app where you can find great mobile-only deals on hotel rooms in the area.
Discount flights to Union can be combined with car rental to get you additional savings. Just use our Flight Matrix to see how your budget air ticket can be combined with a car rental to make your trip not only inexpensive but also more convenient.
Orbitz allows you to use multiple airlines for flights to Union. By using a combination of airlines for discount flights you are guaranteed to get the lowest fares each way and get the schedule that is most convenient for you.
Booking with Orbitz will still allow you to apply miles for flights to Union to your frequent flyer program. Not only that, but your frequent flyer information will be safely stored on our website, so it will be easy to access the next time you book a discount air ticket with Orbitz.
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.