Ontario, CA
St. Louis, MO
BEST
DEAL
Sat, 23 Nov
ONT - STL
Sat, 30 Nov
STL - ONT
$557
$541
Prime price per passenger
Ontario, CA
St. Louis, MO
BEST
DEAL
Mon, 13 Jan
ONT - STL
-22 %
$49
$38
Prime price per passenger
Ontario, CA
St. Louis, MO
BEST
DEAL
Sun, 17 Nov
ONT - STL
Wed, 20 Nov
STL - ONT
$106
$103
Prime price per passenger
Ontario, CA
St. Louis, MO
BEST
DEAL
Sun, 10 Nov
ONT - STL
Sun, 17 Nov
STL - ONT
$150
$145
Prime price per passenger
Ontario, CA
St. Louis, MO
BEST
DEAL
Thu, 28 Nov
ONT - STL
Thu, 05 Dec
STL - ONT
$148
$143
Prime price per passenger
Ontario, CA
St. Louis, MO
BEST
DEAL
Fri, 29 Nov
ONT - STL
Mon, 02 Dec
STL - ONT
$707
$691
Prime price per passenger