$59 Cheap flight deals from Chicago (CHI) to Frontenac (STL)
Earn rewards on top of your airline miles with Orbitz Rewards
Many airlines offer flexible change policies
Sign up to receive text alerts about your trip
This Weekend's Flight Deals from Chicago to Frontenac
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 $59 One Way, $120 Round Trip from Chicago to Frontenac
Prices starting at $120 for return flights and $59 for one-way flights to Frontenac were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Frontenac economy flight packages
Alhonna Resort LLC
Sep 4 - Sep 7
Chicago (ORD) to St. Louis (STL)
Reviewed on Jul 15, 2026
Camden on the Lake Resort & Spa
Sep 4 - Sep 7
Chicago (ORD) to St. Louis (STL)
Reviewed on Jul 14, 2026
Frontenac first class flight packages
Alhonna Resort LLC
Aug 24 - Aug 30
Chicago (CHI) to St. Louis (STL)
Reviewed on Jul 15, 2026
More About Flying To Frontenac from Chicago
Route Information for Flights from Chicago to Frontenac
Origin Airport IATA Code | CHI |
|---|---|
Destination Airport IATA Code | STL |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Chicago to Frontenac
Book your trip through Orbitz for the best deals on Chicago to Frontenac flights. With our cutting-edge mobile tools, getting fantastic savings on international or domestic flights or updates on your flight status has never been easier. Find your low-priced flights from Chicago to Frontenac today with Orbitz.
Frequent Flyer Rewards
If you are a member of a frequent flyer program, Orbitz will ensure you get points or miles for your qualifying Chicago to Frontenac flights. Just provide your frequent flyer number or your loyalty program number when booking your flight online with Orbtiz.com.
Flight Deals on the Go
Never miss out on great savings! Get fantastic deals on flights from Chicago to Frontenac on your mobile device with our apps for iPhone, Android, and iPad, or use your mobile Web browser to access m.orbitz.com. Find big discounts on the hotels you want to stay at to go along with your Chicago to Frontenac flights. The app even gives you information for baggage claim and other important flight details.
Free Flight Alerts
With Orbitz, not do you get amazing low-cost deals on Chicago to Frontenac flights, but we can send you flight alerts to your mobile phone or email. Instantly learn about delays to your flights from Chicago to Frontenac, so you can plan ahead and make different travel arrangements if you need to.
Guaranteed low prices for Chicago to Frontenac flights makes Orbitz the perfect online budget travel source.
Flights from Chicago
- Chicago to Orlando
- Chicago to Houston
- Chicago to New York
- Chicago to Dallas
- Chicago to Phoenix
- Chicago to Los Angeles
- Chicago to New Orleans
- Chicago to London
- Chicago to Washington
- Chicago to Paris
- Chicago to Toronto
- Chicago to Rome
- Chicago to San Francisco
- Chicago to Cleveland
- Chicago to Detroit
- Chicago to Montreal
- Chicago to Sacramento
- Chicago to Kansas City
- Chicago to Hartford
- Chicago to Atlantic City
Frontenac Airports
More Destinations
- Flights from Austin to Brentwood
- Flights from Charlotte to Brentwood
- Flights from Dallas to Brentwood
- Flights from Detroit to Brentwood
- Flights from Miami to Brentwood
- Flights from Nairobi to Brentwood
- Flights from New York to Brentwood
- Flights from Salt Lake City to Brentwood
- Flights from Sacramento to Brentwood
- Flights from Myrtle Beach to Brentwood
- Flights from Burlington to Brentwood
- Flights from South Bend to Brentwood
- Flights from Fresno to Brentwood
- Flights from Tampa to Brentwood
- Flights from Austin to St. Louis
- Flights from Boston to St. Louis
- Flights from Charlotte to St. Louis
- Flights from Chicago to St. Louis
- Flights from Columbus to St. Louis
- Flights from Detroit to St. Louis
- Flights from Houston to St. Louis
- Flights from Indianapolis to St. Louis
- Flights from Kansas City to St. Louis
- Flights from Las Vegas to St. Louis
- Flights from Los Angeles to St. Louis
- Flights from Memphis to St. Louis
- Flights from Miami to St. Louis
- Flights from Minneapolis - St. Paul to St. Louis
- Flights from Nashville to St. Louis
- Flights from New York to St. Louis
- Flights from Orlando to St. Louis
- Flights from Philadelphia to St. Louis
- Flights from Phoenix to St. Louis
- Flights from Raleigh to St. Louis
- Flights from Seattle to St. Louis
- Flights from Washington to St. Louis
- Flights from Omaha to St. Louis
- Flights from Newark to St. Louis
- Flights from Springfield to St. Louis
- Flights from Oklahoma City to St. Louis
- Flights from Tampa to St. Louis
- Flights from Green Bay to Kirkwood
- Flights from Boston to Kirkwood
- Flights from Chicago to Kirkwood
- Flights from Kansas City to Kirkwood
- Flights from Los Angeles to Kirkwood
- Flights from Memphis to Kirkwood
- Flights from Miami to Kirkwood
- Flights from Minneapolis - St. Paul to Kirkwood
- Flights from New York to Kirkwood
- Flights from Portland to Kirkwood
- Flights from Vancouver to Kirkwood
- Flights from Washington to Kirkwood
- Flights from Traverse City to Kirkwood
- Flights from Hilton Head Island to Kirkwood
- Flights from Richmond to Kirkwood
- Flights from Colorado Springs to Kirkwood
- Flights from Elmira to Chesterfield
- Flights from San Francisco to Chesterfield
- Flights from St. Louis to Chesterfield
- Flights from Cologne to Chesterfield
- Flights from Londonderry to Chesterfield
- Flights from Milos to Chesterfield
- Flights from Monroe to Chesterfield
- Flights from Newquay to Chesterfield
- Flights from Kahului to Chesterfield
- Flights from Bloomington to Chesterfield
- Flights from Manchester to Chesterfield
- Flights from Eugene to Chesterfield
- Flights from Colorado Springs to Chesterfield
- Flights from Princeton to Chesterfield
- Flights from Svedala to Chesterfield
- Flights from Reykjavik to Chesterfield
- Flights from Portsmouth to Chesterfield
- Flights from Fort Smith to Chesterfield
- Flights from Kitakyushu to Chesterfield
- Flights from Legazpi to Chesterfield
- Flights from Walla Walla to Chesterfield
- Flights from Castrillon to Chesterfield
- Flights from Tainan to Chesterfield
- Flights from Columbia to Chesterfield
- Flights from Dhaka to Chesterfield
- Flights from Austin (AUS) to St. Louis (STL)
- Flights from Kadapa (CDP) to St. Louis (STL)
- Flights from Cleveland (CLE) to St. Louis (STL)
- Flights from Denver (DEN) to St. Louis (STL)
- Flights from Memphis (MEM) to St. Louis (STL)
- Flights from Phoenix (PHX) to St. Louis (STL)
- Flights from Pittsburgh (PIT) to St. Louis (STL)
- Flights from Reading (RDG) to St. Louis (STL)
- Flights from Tampa (TPA) to St. Louis (STL)
- Flights from Sault Ste. Marie (YAM) to St. Louis (STL)
- Flights from Elmira to Maryland Heights
- Flights from Bangkok to Maryland Heights
- Flights from Portland to Maryland Heights
- Flights from Raleigh to Maryland Heights
- Flights from Washington to Maryland Heights
- Flights from Venice to Maryland Heights
- Flights from Oklahoma City to Maryland Heights
- Flights from Baton Rouge to Maryland Heights
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.