Boston
Chicago
BEST
DEAL

Thu, 28 Sep
BOS - ORD

Sun, 01 Oct
ORD - BOS
$278
$271
Prime price per passenger
Boston
Chicago
BEST
DEAL

Tue, 17 Oct
BOS - ORD
$76
$75
Prime price per passenger
Boston
Chicago
BEST
DEAL

Wed, 18 Oct
BOS - ORD

Sat, 21 Oct
ORD - BOS
$409
$405
Prime price per passenger