Boston
Lisbon
BEST
DEAL
Thu., 23 May
BOS - LIS
Fri., 24 May
LIS - BOS
$4092
$3884
Prime price per passenger
Boston
Lisbon
BEST
DEAL
Sun., 14 Jul.
BOS - LIS
$558
$541
Prime price per passenger
Boston
Lisbon
BEST
DEAL
Fri., 10 May
BOS - LIS
Sat., 11 May
LIS - BOS
$1617
$1515
Prime price per passenger
Boston
Lisbon
BEST
DEAL
Sun., 12 May
BOS - LIS
Mon., 13 May
LIS - BOS
$1690
$1587
Prime price per passenger
Boston
Lisbon
BEST
DEAL
Fri., 17 May
BOS - LIS
Tue., 21 May
LIS - BOS
$2250
$2130
Prime price per passenger