$122 Cheap flight deals from St. Louis (STL) to Williamsville (BUF)
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This Weekend's Flight Deals from St. Louis to Williamsville
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 $122 One Way, $172 Round Trip from St. Louis to Williamsville
Prices starting at $172 for return flights and $122 for one-way flights to Williamsville were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Williamsville economy flight packages
Buffalo Airport Hotel
Nov 14 - Nov 17
St. Louis (STL) to Buffalo (BUF)
Reviewed on Aug 30, 2025
Residence Inn by Marriott Buffalo Galleria Mall
Nov 14 - Nov 17
St. Louis (STL) to Buffalo (BUF)
Reviewed on Sep 7, 2025
Hyatt Regency Buffalo / Hotel and Conference Center
Nov 2 - Nov 4
St. Louis (STL) to Buffalo (BUF)
Buffalo (BUF) to St. Louis (STL)
Reviewed on Jun 26, 2025
More About Flying To Williamsville from St. Louis
Route Information for Flights from St. Louis to Williamsville
Origin Airport IATA Code | STL |
|---|---|
Destination Airport IATA Code | BUF |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
St. Louis to Williamsville
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Keep Up With Sudden Flight Changes
As any traveler knows, air travel can suddenly be temporarily halted due to service disruptions. Along with offering the best fares for flights from St. Louis to Williamsville, Orbitz also offers free mobile phone and email alerts that help you keep up with sudden changes to your flight plans. Choose from email, text, or voice message alerts.
Get Great Prices for St. Louis to Williamsville Flights
Orbitz features both an Android app and an iPhone app to give you the lowest prices for St. Louis to Williamsville flights. Use these mobile apps to get updates on your flight, the details of your itinerary, and to learn about available hotel deals in the area.
Fly for Less and Earn Miles
Did you know you can earn miles and points for your frequent flyer program with Orbitz? To do this with specific flights from St. Louis to Williamsville, enter your frequent flyer account number when you book your ticket online. For even more convenience, keep a record of your loyalty travel program numbers directly with Orbitz by storing them in your account profile. This way, you can add your account numbers to your next reservation for St. Louis to Williamsville flights automatically without the annoying hassle of having to look them up.
Flights from St. Louis
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St. Louis Airports
Williamsville 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.