
$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
Origin airport | Lambert-St. Louis Intl. |
Destination airport | O'Hare Intl. |
Distance | 413 km |
Average flight time | 1 hour 25 mins |
Most Popular Frontier Airlines Routes from St. Louis
Most Popular Frontier Airlines Routes from Chicago
- Frontier Airlines ORD to ISP
- Frontier Airlines ORD to PHX
- Frontier Airlines ORD to MSP
- Frontier Airlines ORD to SYR
- Frontier Airlines ORD to ATL
- Frontier Airlines ORD to MBJ
- Frontier Airlines ORD to LGA
- Frontier Airlines ORD to MCO
- Frontier Airlines ORD to LAX
- Frontier Airlines ORD to BDL
- Frontier Airlines ORD to IAH
- San Diego to Washington (SAN - DCA)
- Phoenix to Denver (PHX - DEN)
- Hartford to Fort Lauderdale (BDL - FLL)
- Newark Liberty Intl. Airport to Columbus (EWR - CMH)
- Newark Liberty Intl. Airport to Atlanta (EWR - ATL)
- New York to Atlanta (JFK - ATL)
- St. Louis to Ontario (STL - ONT)
- Tampa to Denver (TPA - DEN)
- Dallas to New York (DFW - LGA)
- Chicago to Phoenix (ORD - PHX)
Popular Domestic Routes in O'Hare Intl.
- Phoenix to Denver (PHX - DEN)
- Baltimore to Dallas (BWI - DFW)
- Fort Lauderdale to Atlanta (FLL - ATL)
- Dallas to New York (DFW - JFK)
- Dallas to New York (DFW - JFK)
- Raleigh to Miami (RDU - MIA)
- Chicago to Phoenix (ORD - PHX)
- Hartford to Fort Lauderdale (BDL - FLL)
- Hartford to Fort Lauderdale (BDL - FLL)
- Baltimore to Dallas (BWI - DFW)