Boston
Porto
BEST
DEAL
Thu, 02 Jan
BOS - OPO
Tue, 14 Jan
OPO - BOS
$753
$726
Prime price per passenger
Boston
Porto
BEST
DEAL
Tue, 25 Mar
BOS - OPO
$199
$190
Prime price per passenger
Boston
Porto
BEST
DEAL
Sat, 11 Jan
BOS - OPO
Sat, 18 Jan
OPO - BOS
$476
$457
Prime price per passenger
Boston
Porto
BEST
DEAL
Tue, 07 Jan
BOS - OPO
Sat, 11 Jan
OPO - BOS
$521
$503
Prime price per passenger
Boston
Porto
BEST
DEAL
Fri, 17 Jan
BOS - OPO
Sun, 19 Jan
OPO - BOS
$508
$488
Prime price per passenger
Boston
Porto
BEST
DEAL
Tue, 21 Jan
BOS - OPO
Sun, 26 Jan
OPO - BOS
$486
$469
Prime price per passenger