
$110 Cheap Frontier Airlines flights St. Louis (STL) to Chicago (ORD)
Prices were available within the past 7 days and start at $110 for one-way flights and $154 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 6 - Thu, Oct 16
STL
St. Louis
ORD
Chicago
$154 Roundtrip, found 2 days ago
$154
Roundtrip
found 2 days ago

Mon, Oct 6 - Fri, Oct 17
STL
St. Louis
ORD
Chicago
$187 Roundtrip, found 2 days ago
$187
Roundtrip
found 2 days ago

Thu, Oct 9 - Thu, Oct 16
STL
St. Louis
ORD
Chicago
$214 Roundtrip, found 2 days ago
$214
Roundtrip
found 2 days ago

Sun, Oct 5 - Thu, Oct 16
STL
St. Louis
ORD
Chicago
$235 Roundtrip, found 2 days ago
$235
Roundtrip
found 2 days ago
Travel information
Travel information
Origin airport | Lambert-St. Louis Intl. |
Destination airport | O'Hare Intl. |
Distance | 413 km |
Average flight time | 1 hour 25 mins |
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Most Popular Frontier Airlines Routes from St. Louis
Most Popular Frontier Airlines Routes from Chicago
- Baltimore to Dallas (BWI - DFW)
- Tampa to Denver (TPA - DEN)
- Philadelphia to Montego Bay (PHL - MBJ)
- Dallas to New York (DFW - JFK)
- Newark Liberty Intl. Airport to Columbus (EWR - CMH)
- New York to Atlanta (LGA - ATL)
- Fort Lauderdale to Atlanta (FLL - ATL)
- San Diego to Washington (SAN - DCA)
- Los Angeles to San Salvador (LAX - SAL)
- Los Angeles to San Salvador (LAX - SAL)
Popular Domestic Routes in O'Hare Intl.
- Raleigh to Miami (RDU - MIA)
- New York to Atlanta (LGA - ATL)
- Phoenix to Denver (PHX - DEN)
- Newark Liberty Intl. Airport to Columbus (EWR - CMH)
- Tampa to Denver (TPA - DEN)
- St. Louis to Ontario (STL - ONT)
- Baltimore to Dallas (BWI - DFW)
- Sioux Falls to Denver (FSD - DEN)
- Newark Liberty Intl. Airport to Columbus (EWR - CMH)
- Tampa to Denver (TPA - DEN)