
$39 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 $39 One Way, $97 Round Trip from Chicago to Frontenac
Prices starting at $97 for return flights and $39 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

Angad Arts Hotel St. Louis, Tapestry Collection by Hilton
Oct 30 - Nov 3
Chicago (ORD) to St. Louis (STL)
St. Louis (STL) to Chicago (ORD)
Reviewed on Sep 9, 2024

DoubleTree by Hilton St. Louis Forest Park
Oct 30 - Nov 3
Chicago (ORD) to St. Louis (STL)
St. Louis (STL) to Chicago (ORD)
Reviewed on Apr 27, 2025

Hampton Inn By Hilton St Louis Airport
Oct 30 - Nov 3
Chicago (ORD) to St. Louis (STL)
St. Louis (STL) to Chicago (ORD)
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 | 258 mi |
Direct Flight Airlines | American Airlines, Qatar Airways, JAL, Air Canada, Austrian, Aer Lingus, Emirates, Copa Airlines, Air New Zealand, United Airlines, Alaska Airlines, Cathay Pacific, Avianca, Turkish Airlines, Iberia, ANA, Lufthansa, Gulf Air, British Airways |
Earliest Flight Arrival | 2:26PM UTC |
Latest Flight Arrival | 2:53AM UTC |
Chicago to Frontenac
For the best available deals on flights from Chicago to Frontenac, look no further than Orbitz. Offering the perfect packages with cutting-edge mobile tools, Orbitz is your ideal destination.
One Stop Travel Shop
Not only is Orbitz the best source for great deals on flights from Chicago to Frontenac, we offer the complete package. From guaranteed low prices on hotels, car rentals and activities, simply decide what you want and Orbitz will put together the complete vacation package.
Searching Anywhere
Booking Chicago to Frontenac flights is simple, wherever you are. Book on your computer and the Orbitz Display Matrix gives all your deals and discounts on flights from Chicago to Frontenac, showing your great savings. Or if you are on the move, use m.orbitz.com on your mobile browser to find exclusive Chicago to Frontenac flights for mobile users.
Worry-free Travel Planning
Orbitz is the best place for Chicago to Frontenac flights at guaranteed low prices, we also take the stress out of your flight details. With our free alerts service you can quickly find out your gate number or flight delays via email or text – perfect if you are in a rush.
Miles Better
If you frequently travel on flights from Chicago to Frontenac, it’s easy to rack up your air miles. Just add your frequent flyer number when booking your flights and we will do the rest. Orbitz will even store your number in your profile to automatically add on your miles each time you book.
Flights from Chicago
- Chicago to Orlando
- Chicago to Houston
- Chicago to New York
- Chicago to Phoenix
- Chicago to Dallas
- Chicago to Los Angeles
- Chicago to London
- Chicago to New Orleans
- Chicago to Washington
- Chicago to Rome
- Chicago to Paris
- Chicago to Toronto
- 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
Top Trending
- Los Angeles to Cabo San Lucas
- New York to Orlando
- Toronto to Orlando
- Toronto to Miami
- Los Angeles to New York
- Chicago to Las Vegas
- New York to Los Angeles
- Atlanta to Las Vegas
- Orlando to Miami
- New York to Las Vegas
- Seattle to Las Vegas
- Boston to Orlando
- Chicago to Phoenix
- Vancouver to Las Vegas
- Portland to Las Vegas
- Toronto to Las Vegas
- Houston to Las Vegas
- Denver to Las Vegas
- New York to Miami
- Los Angeles to Las Vegas
- Minneapolis - St. Paul to Las Vegas
- Toronto to Los Angeles
- Chicago to New York
- New York to Atlanta
- Atlanta to New York
- Atlanta to Miami
- New York to London
- Toronto to New York
- Dallas to Las Vegas
- Detroit to Las Vegas
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.