$144 Cheap flight deals from St. Louis (STL) to Sun Valley (BOI)
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Airfares from $144 One Way, $222 Round Trip from St. Louis to Sun Valley
Prices starting at $222 for return flights and $144 for one-way flights to Sun Valley were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Sun Valley economy flight packages
More About Flying To Sun Valley from St. Louis
Route Information for Flights from St. Louis to Sun Valley
Origin Airport IATA Code | STL |
|---|---|
Destination Airport IATA Code | BOI |
Distance | 1379 mi |
Direct Flight Airlines | Southwest Airlines |
Earliest Flight Arrival | 11:30PM UTC |
Latest Flight Arrival | 1:10AM UTC |
St. Louis to Sun Valley
It has never been easier to find cheap St. Louis to Sun Valley flights. Orbitz has some of the best deals around to save you more money on your flight, hotel, and vacation package for the trip you have been waiting for.
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Get the Best Deals on St. Louis to Sun Valley Flights
Finding great deals on flights from St. Louis to Sun Valley is a snap with Orbitz. With our guaranteed low prices, you don’t have to worry if you are getting the best prices on air tickets, hotels, and cruises. And with all that money you saved, you can enjoy your Sun Valley vacation even more.
Pile Up Miles With Discount Air Tickets
Not only can you find great bargains on St. Louis to Sun Valley flights, but you can rack up frequent flyer miles on the flights too. Enter your frequent flyer number on qualified flights when booking for Orbitz to see the miles pile up in your account.
Flight Alerts Keep You Informed
Stay on top of the latest updates for flights from St. Louis to Sun Valley. We send you free email and mobile alerts to keep you informed about delays to St. Louis to Sun Valley flights.
Frequently asked questions
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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.